{"id":8261,"date":"2026-09-23T05:18:56","date_gmt":"2026-09-23T05:18:56","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&p=8261"},"modified":"2026-09-24T08:20:42","modified_gmt":"2026-09-24T08:20:42","slug":"cmn-sf11-fertilizer-spreader-gearbox-ratio-11-cast-iron-right-angle-33hp-1000rpm-pto","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/ja\/product\/cmn-sf11-fertilizer-spreader-gearbox-ratio-11-cast-iron-right-angle-33hp-1000rpm-pto\/","title":{"rendered":"CMN-SF11 \u80a5\u6599\u6563\u5e03\u6a5f \u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u6bd4 1:1 \u92f3\u9244\u88fd \u76f4\u89d2 33HP 1000RPM PTO"},"content":{"rendered":"

The CMN-SF11 is a precision-engineered fertilizer spreader gearbox built for demanding field conditions and commercial-scale nutrient application. Running at a fixed 1:1 transmission ratio with rated input settings of 33HP (24kW) at 1000RPM, the unit delivers identical input and output torque of 229 N\u00b7m, making it the right choice where power consistency matters. The right-angle bevel gear configuration redirects PTO shaft rotation precisely to horizontal disc or auger drive axes, while the compact vertical housing profile keeps the overall spreader frame low and well-balanced. Cast iron construction throughout the main body resists torsional stress and absorbs road and field vibration reliably over extended seasons. This gearbox is a direct fit for PTO-driven tractor-pulled spreaders and accommodates a broad range of mounting configurations found across production-grade fertilizer spreaders.<\/p>\n

The CMN-SF11 serves as the hydraulic drive gearbox core for seeder machines and fertilizer spreaders in multiple capacity classes, covering 8 cubic, 12 cubic, 20 cubic, and 50 cubic configurations, with compatibility across self-propelled and tractor-pulled traction systems. The gearbox transmits varying power inputs to the hydraulic drive motor, which in turn actuates the conveyor connecting plate that meters and moves organic fertilizer toward the auger distribution system. By delivering torque precisely to the auger mechanism, the unit ensures organic matter is transported from the hopper and broadcast evenly across field widths, directly improving soil fertility and subsequent crop nutrition. Its mechanical layout suits compact tractors and mid-size utility units without requiring structural frame modifications, which is a practical advantage for operators managing multiple spreader types across varied farm operations.<\/p>\n

\"CMN-SF11\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

\u6280\u8853\u4ed5\u69d8<\/h2>\n

\"CMN-SF11\u80a5\u6599\u6563\u5e03\u6a5f\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u306e\u5bf8\u6cd5\" \"CMN-SF11\u80a5\u6599\u6563\u5e03\u6a5f\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u306e\u5bf8\u6cd5\"<\/p>\n\n\n\n\n\n\n
\u6bd4\u7387<\/td>\n\u5165\u529b<\/td>\n\u51fa\u529b<\/td>\n<\/tr>\n
rpm<\/span><\/td>\nHP<\/span><\/td>\n\u30ad\u30ed\u30ef\u30c3\u30c8<\/span><\/td>\nNm<\/span><\/td>\nrpm<\/span><\/td>\nNm<\/span><\/td>\n<\/tr>\n
1:1<\/td>\n1000<\/td>\n33<\/span><\/td>\n24<\/span><\/td>\n229<\/span><\/td>\n1000<\/td>\n229<\/span><\/td>\n<\/tr>\n
\u5099\u8003\uff1a\u7279\u5225\u306a\u3054\u8981\u671b\u304c\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u304a\u6c17\u8efd\u306b\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\u3002\u30ab\u30b9\u30bf\u30e0\u30aa\u30fc\u30c0\u30fc\u3082\u627f\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5f53\u793e\u306f\u3001SGS\/T\u00dcV\u30e9\u30a4\u30f3\u30e9\u30f3\u30c9\u306e\u652f\u63f4\u3092\u53d7\u3051\u305f\u7b2c\u4e09\u8005\u6a5f\u95a2\u306b\u3088\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u76e3\u67fb\u304a\u3088\u3073\u4f01\u696d\u691c\u8a3c\u3092\u5b8c\u4e86\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u691c\u8a3c\u306b\u3088\u308a\u3001\u8cfc\u5165\u8005\u306f\u4f01\u696d\u306e\u8eab\u5143\u3001\u4e8b\u696d\u904b\u55b6\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u88fd\u9020\u80fd\u529b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u88fd\u54c1\u56fa\u6709\u306e\u691c\u67fb\u5831\u544a\u66f8\u3001\u8cc7\u6750\u6587\u66f8\u3001\u307e\u305f\u306f\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8a18\u9332\u306f\u3001\u6ce8\u6587\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u63d0\u4f9b\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

\u6700\u5c0f\u6ce8\u6587\u6570\u91cf\uff08MOQ\uff09\uff1a<\/strong>\u00a0\u88fd\u54c1\u306e\u7a2e\u985e\u3068\u6ce8\u6587\u6570\u91cf\u306b\u57fa\u3065\u3044\u3066\u67d4\u8edf\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30b5\u30f3\u30d7\u30eb\uff1a<\/strong>\u00a0\u65b0\u898f\u306e\u304a\u5ba2\u69d8\u306f\u3001\u9069\u5207\u306a\u72b6\u6cc1\u4e0b\u3067\u3042\u308c\u3070\u30011\uff5e5\u500b\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u6df7\u5408\u6ce8\u6587\uff1a<\/strong>\u00a0\u7570\u306a\u308b\u30e2\u30c7\u30eb\u306e\u7d44\u307f\u5408\u308f\u305b\u3082\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5408\u8a08\u6ce8\u6587\u91d1\u984d\u306f\u7d04$1,500\u306b\u9054\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u5c0f\u53e3\u6ce8\u6587\uff1a<\/strong>\u00a01\uff5e2\u500b\u304b\u3089\u306e\u3054\u6ce8\u6587\u3082\u627f\u308a\u307e\u3059\u304c\u3001\u5358\u4fa1\u306f\u3084\u3084\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\uff1a<\/strong>\u00a0\u6a19\u6e96\u90e8\u54c1\u306e\u5834\u5408\u306f10\uff5e25\u55b6\u696d\u65e5\u3001\u7279\u6ce8\u90e8\u54c1\u306e\u5834\u5408\u306f20\uff5e45\u55b6\u696d\u65e5\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d9\u30fc\u30b9\u306e\u6a5f\u5668\u306e\u5834\u5408\u306f45\uff5e120\u55b6\u696d\u65e5\u3002<\/p>\n

\u53d6\u5f15\u6761\u4ef6\uff1a<\/strong>\u00a0EXW\u3001FOB\u3001CIF\u3001DAP\u306f\u4e00\u822c\u7684\u306b\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u304c\u3001FCA\u3001CFR\u3001CPT\u3001CIP\u3001DDP\u306e\u6761\u4ef6\u306b\u3064\u3044\u3066\u306f\u500b\u5225\u306b\u4ea4\u6e09\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

Advantages of the CMN-SF11 Fertilizer Spreader Gearbox<\/h2>\n

1. High-Torque PTO Drive for Tractor-Pulled Systems
\nEngineered specifically for tractor-pulled fertilizer spreading environments, the CMN-SF11 delivers 229 N\u00b7m of torque continuously from a 1000RPM PTO input without thermal degradation or backlash buildup. The high-grade cast iron housing provides exceptional resistance to shock loads generated when the spreader passes over rutted ground, field edges, or irrigation ridges. This structural integrity maintains consistent gear mesh contact under variable loading conditions, which is the key factor separating reliable field equipment from units that develop noise and wear within a single season.<\/p>\n

2. Multi-Layer Sealing for Fertilizer Environments
\nFertilizer compounds, particularly nitrogen and potassium-based granules and slurries, are among the most corrosive substances encountered by agricultural drivetrains. The CMN-SF11 addresses this directly with a multi-layered shaft sealing system combining high-performance lip seals and optional labyrinth seals on both input and output shafts. Pre-filled with premium lithium-complex extreme pressure grease, the unit is designed for maintenance-free operation exceeding 500 hours, covering multiple full spreading seasons without requiring regreasing intervals that interrupt field schedules.<\/p>\n

3. German-Origin Design, Precision Manufactured
\nThe CMN-SF11 is not a reverse-engineered approximation but a faithful execution of the original Amazone spreader gearbox dimensional specification. Every mounting point, shaft interface, and housing bolt pattern is machined to match original fitment drawings, ensuring drop-in compatibility with existing spreader frames without drilling, shimming, or adapter plates. This direct dimensional accuracy reduces installation downtime significantly and eliminates the guesswork that comes with generic aftermarket units of inconsistent tolerancing.<\/p>\n

4. Large-Scale Broadcast Capacity for Commercial Farms
\nThe CMN-SF11 \u80a5\u6599\u6563\u5e03\u6a5f\u306e\u30ae\u30a2\u30dc\u30c3\u30af\u30b9<\/strong> <\/a>is engineered as the primary drive solution for large commercial arable operations covering hundreds of hectares per season. Its 33HP-rated torque capacity enables efficient coupling with high-volume disc spreaders and twin-disc broadcast machines operating at maximum hopper loads. Farms running 8, 12, 20, or 50-cubic spreader models across cereal, oilseed, or legume crops benefit from the consistent rotational output that prevents disc speed variation and the resulting uneven spread patterns that reduce fertilizer use efficiency.<\/p>\n

5. Precision Variable-Rate Application Compatibility
\nModern precision farming operations using GPS-guided variable rate technology demand immediate and accurate torque response from every drivetrain component. The CMN-SF11’s tightly machined bevel gear engagement and rigid housing structure eliminate rotational lag, ensuring disc speed responds quickly and precisely to controller output commands. This characteristic is critical when traversing soil management zones within a single pass, where application rates change on-the-fly based on prescription maps. Precise torque response translates directly to input cost savings and uniform crop establishment across variable soil nutrition zones.<\/p>\n

6. Reliable Operation on Uneven and Sloped Terrain
\nOrchards, vineyards, pastures, and contoured arable land subject the spreader drivetrain to continuous directional load changes and vibration profiles that conventional gearboxes struggle to absorb without wear acceleration. The CMN-SF11 uses case-hardened bevel gears and a shock-resistant cast iron housing that together absorb lateral forces and peak torque spikes generated on slopes and undulating ground. This construction maintains smooth, uninterrupted power delivery to the spreading discs regardless of terrain variation, preventing the material flow interruptions that create bare patches and over-applied zones in the final nutrient distribution pattern.<\/p>\n

7. Compact Vertical Profile for Easy Installation
\nThe CMN-SF11’s vertical layout keeps the overall installed height to 222mm, which is particularly valuable on compact tractor-mounted spreaders where clearance above the frame is limited. The four-bolt flange mounting pattern (4 x \u00d89mm bolt holes on an \u00d880mm bolt circle) provides a secure, vibration-resistant connection to the spreader body. This mounting geometry is consistent with common OEM bolt patterns on Amazone, Rauch, and Kuhn spreader platforms, reducing adaptation hardware requirements and cutting installation time for both field replacement and production-line assembly applications.<\/p>\n

\"CMN-SF11\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

\u52d5\u4f5c\u539f\u7406<\/h2>\n

The CMN-SF11 transfers rotational energy from a 1000RPM tractor PTO or engine-driven shaft into usable mechanical output for the fertilizer spreading mechanism. At the heart of the unit, a matched pair of precisely machined bevel gears converts the horizontal input rotation from the PTO shaft into a vertical output rotation that drives the spreading disc, auger, or conveyor plate below the hopper. The fixed 1:1 ratio means the output shaft speed mirrors the input speed precisely, eliminating speed reduction losses and delivering full PTO power directly to the working components without conversion penalty.<\/p>\n

In a standard tractor-pulled spreader installation, the tractor’s rear PTO stub shaft connects to the gearbox input shaft via a driveline fitted with appropriate universal joints and a torque limiter. The tractor’s engine drives the PTO at a selectable speed, typically 540RPM or 1000RPM depending on tractor model and PTO shaft standard. The CMN-SF11 is rated for 1000RPM operation, matching the high-speed PTO output found on tractors above 50HP that commonly pull commercial spreaders. At this speed and 24kW rated power, the gearbox transmits 229 N\u00b7m of torque to the output shaft, which is sufficient to drive twin spreading discs loaded with heavy granular fertilizer or lime at full broadcast widths.<\/p>\n

The bevel gear mesh within the CMN-SF11 is lubricated and sealed from the factory. The gear teeth undergo surface hardening treatment to achieve the contact fatigue resistance needed for high-cycle spreading duty, where the gearbox may run continuously for eight to twelve hours per day during peak seasonal application windows. Grease retained within the housing lubricates the gear faces and the supporting bearings throughout these extended operating periods, maintaining an adequate oil film between metal surfaces and preventing the metal-to-metal contact that accelerates component wear.<\/p>\n

For hydraulic-drive seeder applications, the gearbox output drives a hydraulic pump or motor interface rather than a mechanical disc directly. In these configurations, the mechanical power arriving at the output shaft is converted to hydraulic flow that actuates the conveyor connecting plate, moving granular or organic fertilizer through the machine body toward the auger or disc distribution zone. The rotational speed at the output shaft governs flow rate and therefore metering volume, which is why consistent 1:1 output is important for calibrated spreading rates across different spreader sizes from 8-cubic to 50-cubic configurations.<\/p>\n

From an agricultural gearbox for fertilizer spreader selection perspective, the CMN-SF11 coordinates with three key external parameters: tractor PTO speed and type, input driveline shaft cross-section and yoke connection standard, and the spreader’s working load profile determined by material density and discharge rate. Matching these three elements to the gearbox specification ensures the unit operates within its rated torque envelope and achieves the projected service life of 500+ maintenance-free hours. CMN Transmission provides technical support for this selection process, including custom ratio and shaft options for OEM integrators whose designs fall outside the standard product envelope.<\/p>\n

\"\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

CMN-SF11 Fertiliser Spreader Gearbox Applications<\/h2>\n
\n

\u7267\u8349\u5730\u7ba1\u7406<\/h3>\n

Livestock pastures treated with urea, DAP, or organic manure blends benefit from even broadcast coverage that promotes uniform grass growth and reduces bare patches where dominant species outcompete target forage grasses. The CMN-SF11 drives tractor-pulled spreaders across permanent pasture without soil compaction concerns at typical PTO operating speeds. Its extended maintenance-free interval is a practical benefit for livestock farmers who run spreaders during brief weather windows and cannot afford mechanical downtime between grazing paddock rotations.<\/p>\n

\n

\u7a40\u7269\u683d\u57f9<\/h3>\n

Cereal crops including wheat, corn, barley, and rice require precise and timely nutrient application during planting and growth stages. The CMN-SF11 drives both broadcast disc spreaders and auger-fed seeder units that distribute nitrogen, phosphate, and potassium blends uniformly across large field areas. Consistent torque output prevents uneven disc rotation that would create fertilizer striping patterns visible in crop canopy development, protecting yield potential and input cost efficiency on commercial grain operations.<\/p>\n<\/div>\n

\n

\u91ce\u83dc\u683d\u57f9<\/h3>\n

Market garden and large-scale vegetable operations demand high-frequency fertilizer application with precise rate control, particularly during transplanting and early growth phases. The CMN-SF11 enables spreader machines to maintain accurate disc speeds across field rows of varying soil composition and moisture levels. Its low-profile housing fits within row-crop spreader frames designed for tight turning radii between vegetable beds, making it practical for both open-field and semi-protected growing environments.<\/p>\n<\/div>\n

\n

\u679c\u6a39\u683d\u57f9<\/h3>\n

Stone fruit, berry, and pip fruit orchards require targeted fertilizer application near root zones without damaging surface-feeding root systems. The CMN-SF11 powers spreaders equipped with narrow-spread disc configurations and deflector shields that concentrate application within inter-row zones. Its robust sealing keeps fertilizer particles and irrigation water from entering the gear housing, which is particularly important in orchards where overhead and under-tree irrigation creates sustained wet conditions around ground-level machinery components.<\/p>\n<\/div>\n<\/div>\n

\n

Soil Amendment and Lime Spreading<\/h3>\n

Agricultural lime, dolomite, and granular compost present higher abrasion risks to gearbox seals than standard fertilizer blends due to their larger particle size and abrasive mineral composition. The CMN-SF11’s reinforced lip seal arrangement and optional labyrinth protection at the output shaft specifically addresses this exposure risk. Soil amendment spreading often involves higher material densities and greater spreader disc loads than fertilizer alone, and the 229 N\u00b7m output torque rating ensures the gearbox operates within a comfortable load margin even when the hopper carries full loads of dense lime or dolomite product.<\/p>\n<\/div>\n

\n

\u679c\u6a39\u5712\u3068\u30d6\u30c9\u30a6\u5712<\/h3>\n

Perennial crop systems in orchards and vineyards require fertilizer spreaders that operate reliably on ground slopes of up to 15 degrees while navigating between permanent tree or vine rows with limited lateral space. The CMN-SF11 is specifically suited to these conditions, where the gearbox faces continuous combined lateral and longitudinal shock inputs from uneven orchard floor surfaces. Case-hardened gear teeth maintain their surface profile under these variable load conditions, preventing the progressive pitting and tooth deformation that shortened the service life of earlier cast iron right-angle gearbox designs used in perennial crop spreading applications.<\/p>\n

\n

\u829d\u751f\u30fb\u7267\u8349\u5730\u7ba1\u7406<\/h3>\n

Sports stadiums, golf courses, and amenity turf managers use PTO-driven spreaders for large-area fertilizer and topdressing applications where self-propelled walk-behind units would be too slow. The compact vertical profile of the CMN-SF11 suits the lower-frame spreader designs used on utility tractors and groundscare vehicles operating across cultivated turf surfaces. Precise 1:1 output ensures consistent granule throw distance from the spread disc, which is critical for achieving the certified fertilizer application rates required under sports turf maintenance programs.<\/p>\n<\/div>\n

\n

\u5712\u82b8\u3068\u82d7\u6728<\/h3>\n

Container nurseries and protected crop growers using controlled-release granular fertilizers require accurate distribution equipment that handles varying granule sizes and densities without disc speed fluctuation. The CMN-SF11 agricultural gearbox for fertilizer spreader applications provides the torque stability needed to maintain consistent disc rotation when granule size or bulk density varies between fertilizer product batches. In greenhouse and poly-tunnel environments where tractor-pulled spreaders access through wide doors, the unit’s standard bolt pattern simplifies integration with custom low-profile spreader frames fabricated for indoor operation.<\/p>\n<\/div>\n<\/div>\n

\"\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

CMN-SF11 Fertilizer Spreader Gearbox Parts<\/h2>\n

\u5165\u529b\u30b7\u30e3\u30d5\u30c8
\nThe input shaft is machined from alloy steel bar stock and induction-hardened at the bearing journal and spline interface zones. The \u00d830mm shaft diameter with a 6mm keyway accommodates standard PTO driveline yokes and coupling sleeves across common agricultural driveline standards. The shaft runout tolerance is controlled to within 0.02mm at the bearing journal to ensure smooth rotation at 1000RPM without generating vibration that would accelerate seal and bearing wear over extended seasons.<\/p>\n

\u30d9\u30d9\u30eb\u30ae\u30a2
\nThe matched bevel gear pair at the core of the CMN-SF11 is produced from carburized alloy steel and case-hardened to 58-62 HRC surface hardness. Gear teeth are hobbed and lapped in matched pairs to achieve tight tooth contact patterns and low backlash values that prevent reversing shock loads from damaging tooth flanks during PTO engagement cycles. The 1:1 ratio tooth count is held to DIN class 7 accuracy on pitch diameter and tooth profile for quiet, consistent mesh throughout the unit’s service life.<\/p>\n

\u51fa\u529b\u8ef8
\nThe output shaft is machined to \u00d884mm at the flange face with a \u00d864mm register pilot for accurate disc hub or auger coupling location. The splined or keyed shaft end engages the spreading disc hub or hydraulic motor coupling directly. This larger diameter relative to the input reflects the torque load distribution in the housing and is designed to maintain adequate strength margins when the output load includes disc inertia, granule impact, and periodic shock from stone or debris ingestion by the spreader mechanism.<\/p>\n

\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u30cf\u30a6\u30b8\u30f3\u30b0
\nThe CMN-SF11 housing is cast from high-grade grey cast iron with tensile strength above 250 MPa. The casting geometry integrates internal ribbing to resist torsional deformation under shock loading, while the exterior surface is shot-blasted and coated with corrosion-resistant enamel paint suitable for continuous fertilizer chemical exposure. The housing accommodates standard four-bolt flange mounting and internal bearing seat diameters machined to H7 tolerance for interference-free bearing installation.<\/p>\n

\u30d9\u30a2\u30ea\u30f3\u30b0
\nInput and output shafts are each supported by dual angular contact bearings arranged in tandem or face-to-face configurations to handle both radial and axial loading components generated during bevel gear mesh. Bearings are sourced from ISO quality grade manufacturers and selected for L10 fatigue life ratings consistent with a 2,000-hour design service life at rated load. The bearing housings are machined to precision tolerances to maintain correct axial preload, which is critical for bevel gear tooth contact pattern maintenance and noise level control.<\/p>\n

\u30aa\u30a4\u30eb\u30b7\u30fc\u30eb\u3068\u30ea\u30c3\u30d7\u30b7\u30fc\u30eb
\nRadial shaft seals at both input and output shaft exits are NBR rubber lip seals with PTFE-coated primary lips for reduced friction and extended service life in grease-lubricated housings. Optional secondary labyrinth seals are available for environments where fine fertilizer dust or moisture ingress presents elevated contamination risk. Fertilizer spreader gearbox oil level and seal integrity should be visually checked at the start of each season to confirm no cracking or lip wear that could allow external contaminant entry between inspection intervals.<\/p>\n

\u6f64\u6ed1\u30b7\u30b9\u30c6\u30e0
\nThe CMN-SF11 uses a sealed grease lubrication system pre-charged with lithium-complex NLGI Grade 2 extreme pressure grease during final assembly. Unlike splash-oil systems that require periodic level checks and drain-and-refill service intervals, the sealed grease system retains lubricant at the gear mesh and bearing contact zones throughout the rated service life without operator intervention. A grease nipple is provided for replenishment after 500 hours of operation or at the start of each new season, whichever occurs first, ensuring continued protection under high-cycle commercial spreading schedules.<\/p>\n

\"CMN-SF10\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

How to Replace the CMN-SF11 Fertilizer Gearbox Correctly<\/h2>\n

1. Confirm Model Compatibility and Specifications
\nBefore removing the old gearbox, record the spreader model number, existing gearbox mounting bolt pattern, shaft diameters and keyway dimensions, and the PTO speed your tractor operates at. Cross-check these against the CMN-SF11 dimensional drawing to confirm full compatibility. Incorrect shaft diameter or bolt circle mismatch will require adaptation hardware that adds assembly complexity and potential misalignment risk. Providing accurate drawings or the existing unit to CMN Transmission’s technical team enables a definitive fit confirmation before ordering.<\/p>\n

2. Disconnect PTO Shaft and Relieve All Drive Load
\nPark the tractor and spreader on level ground, engage the parking brake, and lower the spreader to ground level. Disconnect the PTO driveshaft from the spreader input and secure it away from the work area to prevent accidental rotation. Empty the hopper completely before starting gearbox removal. Any residual material weight on the spreading discs creates unexpected torque loads when unbolting the gearbox flange that can cause the housing to drop suddenly and injure personnel or damage adjacent components.<\/p>\n

3. Remove Spreading Disc or Output Coupling
\nUse a puller tool appropriate for the disc hub diameter and seat length to remove the spreading disc or auger coupling from the output shaft. Avoid using hammers directly on cast components as impact shock can crack housing walls or damage bearing preload settings. If the hub is corroded onto the shaft, apply penetrating fluid and allow adequate soak time before applying puller force. Photograph the shaft key, hub position, and any shim configuration before disassembly to simplify reinstallation alignment on the new unit.<\/p>\n

4. Unbolt and Extract the Old Gearbox
\nSupport the gearbox weight with a hydraulic jack or mechanical support stand before loosening the four mounting bolts, as a freely hanging gearbox can distort the flange face if torqued unevenly during final removal. Back off each bolt gradually in a cross pattern to release housing preload evenly. Inspect the spreader frame mounting surface for corrosion, gouging, or weld cracking that may have contributed to accelerated wear of the previous gearbox, and repair any frame defects before installing the replacement unit.<\/p>\n

5. Prepare Mating Surfaces and Install CMN-SF11
\nClean the spreader frame mounting face with a wire brush and solvent wipe to remove all rust scale, dried fertilizer residue, and paint overspray that would prevent full flange contact. Apply a thin layer of anti-seize compound to the bolt threads and underhead faces. Position the CMN-SF11 on the mounting face and start all four bolts by hand before applying torque. Tighten in a diagonal cross pattern in two stages, first to 50% of specified torque then to full value, to achieve even clamping pressure around the flange.<\/p>\n

6. Reinstall Disc Hub and Reconnect PTO Driveline
\nSlide the spreading disc hub onto the output shaft, ensuring the key is fully seated in both shaft and hub keyways before tightening the retaining nut to the specified torque value. Reconnect the PTO driveline to the input shaft, checking that universal joint angles are within the driveshaft manufacturer’s recommended limits for the specific telescoping tube length in use. Excessive UJ angle at standard PTO operating length creates vibration that can damage both driveline components and the new fertilizer spreader gearbox input bearing within the first season.<\/p>\n

7. Run-In and Verify Operation Before Field Use
\nEngage PTO at low throttle (approximately 400-500RPM) for two to three minutes with the spreader empty to allow the new gear surfaces and bearings to bed in under controlled conditions. Listen for unusual noise including high-frequency whine that may indicate gear contact pattern misalignment or low-speed knocking that suggests bearing installation issues. After the run-in period, increase to rated 1000RPM for a short test cycle, then recheck mounting bolt torque values before loading the hopper and commencing field operation. Recheck bolt torque again after the first two hours of loaded operation.<\/p>\n

\"\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u304a\u3088\u3073\u8fb2\u696d\u7528PTO\u30b7\u30e3\u30d5\u30c8<\/h2>\n

Fertilizer spreader gearboxes occupy the central role in the power transmission chain between the tractor and the material distribution mechanism. Receiving rotational input from the PTO-connected driveshaft at the inlet, the gearbox redirects, reduces, or maintains this rotation to deliver the precise output speed and torque that the spreading disc, agitator, or auger mechanism requires for controlled, uniform distribution. The CMN-SF11 operates at a direct 1:1 ratio, meaning 1000RPM input produces 1000RPM output with 229 N\u00b7m torque in both directions. The durable cast iron housing resists the corrosive fertilizer environment including nitrogen compound residues, salt-laden moisture, and abrasive granule dust that settle on external surfaces during and after spreading operations. The sealed lubrication system within extends the service interval beyond 500 hours, eliminating the routine maintenance interruptions that reduce seasonal availability on working farm equipment.<\/p>\n

A Power Take-Off shaft is the mechanical drivetrain link between the rotating PTO stub at the rear of the tractor and the implement input shaft. Rather than requiring every piece of farm machinery to carry its own independent power source, the PTO shaft system allows a single tractor to power dozens of different implements, from rotary tillers and flail mowers to balers, sprayers, and fertilizer spreaders, simply by connecting the appropriate driveshaft. Agricultural PTO shafts consist of a telescoping tube assembly that adjusts length as the implement moves relative to the tractor, universal joints at each end that accommodate angular misalignment between tractor and implement, and a protective guard tube that covers the rotating components. Standard PTO speeds are 540RPM and 1000RPM, with the latter being the designated standard for higher-power implements including large fertilizer spreaders. Modern PTO shafts also incorporate torque limiters, either friction disc or cam-and-ball type, that slip or disengage when implement overload or sudden blockage creates torque spikes that would otherwise damage the gearbox or tractor drivetrain.<\/p>\n

\u80a5\u6599\u6563\u5e03\u6a5f\u306e\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u3068 PTO\u30b7\u30e3\u30d5\u30c8<\/strong><\/a> form a matched mechanical system. The PTO shaft carries rotation from the tractor at whatever speed the operator selects, and the spreader gearbox receives this rotation at its input shaft, transforming it for the specific requirements of the spreading mechanism. For the CMN-SF11 specifically, the system operates optimally at 1000RPM PTO speed, delivering 33HP of mechanical power through the shaft connection and through the gearbox to the spreading mechanism with 229 N\u00b7m of torque available for overcoming disc inertia and material load resistance. The PTO shaft’s telescoping section compensates for the changing distance between tractor PTO stub and spreader gearbox input as the implement pitches over field undulations or the tractor turns at headlands. Universal joints within the shaft allow the rotational axis to deviate by up to 15 to 20 degrees without interrupting power flow, which is important for maintaining disc speed consistency when the spreader tilts on uneven ground during operation.<\/p>\n

Correct driveshaft selection is as important as gearbox selection for reliable spreader operation. The shaft profile, cross-section diameter, and yoke connection type must match both the tractor PTO stub standard and the CMN-SF11 input shaft specification. CMN Transmission supplies matched PTO shaft assemblies including torque limiters calibrated to the gearbox rated torque to provide complete drivetrain protection for OEM spreader manufacturers and replacement buyers. For operators sourcing components separately, the critical parameters are PTO stub diameter (typically 1-3\/8″ 6-spline or 1-3\/4″ 20-spline for 1000RPM applications), driveshaft cross-section size, collapsed and extended length range, and torque limiter overload rating relative to the gearbox maximum torque value.<\/p>\n\n\n\n
\"CMN-SF11\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/td>\n\"PTO\u30b7\u30e3\u30d5\u30c8\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

How to Customize a Fertilizer Distributor\u00a0Gearbox<\/h2>\n
\n

Custom Gear Ratio Configuration<\/h3>\n

Where a standard 1:1 ratio does not match the spreading disc speed or auger RPM requirement of a particular machine design, CMN Transmission can produce custom bevel gear sets in ratios from 1:0.8 through to 1:4. The custom ratio calculation starts from the tractor PTO speed, the desired spreading disc RPM for the target application rate, and the fertilizer product’s throw characteristics. OEM machine developers can submit target performance parameters for a gear ratio recommendation backed by application engineering analysis rather than trial-and-error field testing.<\/p>\n<\/div>\n

\n

Input and Output Shaft Dimensions<\/h3>\n

Standard CMN-SF11 input and output shaft diameters cover the most common agricultural spreader coupling specifications, but replacement and OEM applications sometimes require non-standard shaft sizes or keyway configurations. CMN Transmission offers shaft modifications including diameter changes within material strength limits, keyseat width and depth variations, spline profile options including 6-spline, 21-spline, and metric DIN profiles, and thread specifications for retaining nut formats used across European and North American spreader platforms.<\/p>\n<\/div>\n

\n

Mounting Hole Pattern and Housing Structure<\/h3>\n

Fertilizer spreader gearbox mounting bolt patterns vary between machine manufacturers, and custom drilling layouts or housing flange shapes are available for OEM programs where large production volumes justify tooling investment. CMN Transmission can modify bolt circle diameter, number of fastener positions, and flange thickness to match customer-supplied frame drawings. Housing structure modifications including additional boss features, port openings for hydraulic fittings, or custom mounting bracket integration are evaluated on a project-by-project basis with prototype production capability before volume commitment.<\/p>\n<\/div>\n

\n

Seal Arrangement Upgrades<\/h3>\n

For applications in particularly aggressive chemical environments including liquid fertilizer systems, slurry spreaders, or coastal areas with high salt aerosol exposure, CMN Transmission offers upgraded seal specifications beyond the standard lip seal arrangement. Options include dual-lip seals with intermediate grease reservoir, full labyrinth seal assemblies machined into the shaft exit zones, and V-ring secondary seals that provide an additional exclusion barrier against external contamination without adding significant shaft drag that would reduce mechanical efficiency at rated PTO speed.<\/p>\n<\/div>\n

\n

Surface Treatment and Corrosion Protection<\/h3>\n

Standard CMN-SF11 housings receive shot-blast cleaning followed by enamel paint application as the baseline corrosion protection specification. Customers requiring enhanced protection for tropical, high-humidity, or coastal operating environments can specify epoxy primer plus polyurethane topcoat finishes, hot-dip galvanizing of external fasteners and mounting hardware, or zinc phosphate pre-treatment before paint application. Color matching for OEM programs where spreader sub-components must match the machine body color scheme is available with minimum order quantities confirmed at the program design stage.<\/p>\n<\/div>\n

\n

How to Start a Custom Project<\/h3>\n

The most efficient way to initiate a customization project is to provide CMN Transmission with one or more of the following: a technical drawing or CAD file of the required gearbox, a physical sample of the current unit in use, clear photographs showing all principal views and critical dimensions, or a written technical specification listing input\/output speeds, power requirements, mounting interface, and operating environment details. With this information, the engineering team can prepare a detailed quotation including tooling cost estimates for housing modifications, gear set production costs, sample lead time, and projected mass production unit pricing for the anticipated annual volume.<\/p>\n<\/div>\n

\"\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

CMN\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30b7\u30e7\u30f3\u306e\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u3092\u9078\u3076\u7406\u7531\u3068\u306f\uff1f<\/h2>\n

Korea CMN Transmission Co., Ltd. was established in 2000 and operates from its manufacturing facility in Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, Korea. Over the past two and a half decades, the company has built a focused specialization in agricultural power transmission, dedicating its full 100-person factory workforce and engineering team to the R&D, production, quality control, and global distribution of agricultural gearboxes and associated drivetrain components. This undivided focus on agricultural machinery power transmission distinguishes CMN Transmission from general industrial gearbox suppliers, providing a depth of application engineering experience across the full range of farm equipment power transmission challenges.<\/p>\n

CMN Transmission’s annual production capacity exceeds 500,000 units across its full product range, which spans rotary cutter gearboxes, rotary tiller gearboxes, feed mixer gearboxes, rotary mower gearboxes, fertilizer spreader gearboxes, flail mower gearboxes, post hole digger gearboxes, round baler gearboxes, square baler gearboxes, disc mower gearboxes, center pivot irrigation gearboxes, silage machine gearboxes, orchard sprayer gearboxes, combine harvester gearboxes, grain storage gearboxes, and many additional specialty agricultural applications. Complementary product lines including PTO shafts, universal joints, yokes, torque limiters, coupling components, bearings, and chains allow CMN Transmission to support complete drivetrain specification for agricultural machinery OEM customers who prefer a single-source supplier relationship for multiple component types.<\/p>\n

The company’s export footprint covers 60+ countries across North America, South America, Europe, Russia, South Asia, Southeast Asia, Oceania, and additional emerging markets. This breadth of international shipping experience provides practical knowledge of import documentation requirements, phytosanitary packaging standards, preferred freight routing, and customs classification that reduces buyer-side administrative burden for first-time importers. All CMN Transmission products are manufactured under ISO 9001 certified quality management and CE marking compliance processes, providing documented quality assurance that satisfies procurement requirements for commercial agricultural machinery integrators in regulated markets.<\/p>\n

For fertilizer spreader buyers specifically, CMN Transmission’s value proposition rests on three pillars. First, proven dimensional accuracy against original equipment designs eliminates the fitment uncertainty that makes cheap aftermarket units expensive in practice through adaptation hardware, installation labor, and premature replacement. Second, the sealed maintenance-free lubrication design minimizes seasonal field service requirements, which reduces the cost of ownership beyond the unit purchase price over multiple spreading seasons. Third, the available customization capability from standard product to full OEM specification allows CMN Transmission to serve both the agricultural gearbox for fertilizer spreader replacement market and the OEM machine manufacturing sector from a single product platform, with consistent quality standards applied across both supply channels.<\/p>\n

\"\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u30e1\u30fc\u30ab\u30fc\"<\/p>\n

\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n

Q: What is the correct fertilizer spreader gearbox ratio for a 1000RPM PTO system?<\/strong>
\nA: For a 1000 RPM PTO input, the correct gearbox ratio depends on the required output speed of your spreading disc or auger. The CMN-SF11 operates at a 1:1 ratio, meaning the output shaft also rotates at 1000RPM. This is the correct selection for spreader designs where the disc requires PTO-speed rotation to achieve the throw distance and spread width specified for the target application. For systems requiring slower disc speeds, such as pendulum spreaders or auger-only systems, a reducing ratio such as 1:2 or 1:3 would be more appropriate. CMN Transmission can advise on the correct ratio based on your spreader’s disc diameter and target spread pattern specification.<\/p>\n

Q: How do I check the fertilizer spreader gearbox oil level or grease status?<\/strong>
\nA: The CMN-SF11 uses sealed grease lubrication rather than liquid oil, so there is no oil level plug or sight glass to check. Instead, the lubrication maintenance requirement is a grease replenishment via the grease nipple located on the housing after every 500 hours of operation or at the start of each new spreading season. Visual inspection should confirm the grease nipple is undamaged and free from blocked passages, and that no grease is leaking from shaft seal zones which would indicate seal wear. Unlike some competitor units that use bath oil lubrication requiring periodic drain-and-refill service, the CMN-SF11’s sealed system reduces the frequency of active maintenance tasks and is therefore well suited to busy seasonal operation schedules.<\/p>\n

Q: Is the CMN-SF11 a direct replacement for the original Amazone fertilizer spreader gearbox?<\/strong>
\nA: The CMN-SF11 is engineered to the dimensional specification of the Amazone spreader gearbox design, covering the primary bolt circle, shaft diameters, housing height, and flange profile dimensions that determine physical compatibility. Customers have successfully used it as a direct drop-in replacement on Amazone ZA-M and related series spreaders. However, we strongly recommend confirming the specific mounting bolt pattern, shaft diameter, and keyway dimensions of your individual spreader model against the CMN-SF11 dimension drawing before ordering, as Amazone has produced multiple spreader variants with different gearbox specifications over the years. CMN Transmission’s technical team can assist with compatibility confirmation if you provide your spreader model number or the old gearbox dimensions.<\/p>\n

Q: What fertilizer types is the CMN-SF11 gearbox sealed against?<\/strong>
\nA: The seal system in the CMN-SF11 is designed to exclude externally applied dry granular fertilizers including urea, ammonium nitrate, DAP, NPK compound blends, potassium chloride, and granular lime from entering the gear housing through the shaft exit zones. The NBR rubber lip seals provide good chemical resistance against the salt solutions and nitrogen compounds that condensation creates around fertilizer residue on gearbox surfaces. For liquid fertilizer or slurry applications where the gearbox exterior is continuously wetted with fertilizer solution, the optional upgraded dual-lip seal or labyrinth seal arrangement provides an additional protection layer that the standard specification may not provide alone. Contact CMN Transmission to discuss the correct seal specification for your fertilizer product and application method.<\/p>\n

Q: Can the CMN-SF11 be used on self-propelled fertilizer spreaders or only tractor-pulled models?<\/strong>
\nA: The CMN-SF11 is primarily designed for tractor PTO-driven applications, but it is also suitable for self-propelled spreader designs where the drive source produces output at or near 1000RPM at the gearbox input shaft. Self-propelled spreaders that use hydraulic motor drives rather than a mechanical PTO shaft may use the CMN-SF11 in configurations where the hydraulic motor output is connected to the gearbox input, with the gearbox then driving the spreading disc. The suitability for self-propelled hydraulic configurations depends on the hydraulic motor speed and torque output matching the gearbox input specifications. Provide your self-propelled spreader’s power system specifications to CMN Transmission’s technical team for a compatibility assessment before ordering for this application.<\/p>\n

Q: What is the expected service life of the CMN-SF11 fertilizer spreader gearbox?<\/strong>
\nA: The CMN-SF11 is designed for a minimum 2,000-hour service life when operated within rated load, speed, and lubrication conditions. The grease-lubricated sealed system is specified for 500-hour maintenance-free intervals, covering multiple spreading seasons before any service action is required beyond visual inspection. Actual gearbox life in the field is influenced by several factors: operating hours per season, whether loads remain within the 33HP rated input, PTO driveshaft alignment and universal joint angle, and how well the seals maintain their exclusion performance against fertilizer contamination. Units operating on particularly abrasive materials such as granular lime or coarse potassium chloride may experience earlier seal wear requiring replacement at the 500-hour grease replenishment service rather than after multiple grease intervals.<\/p>\n

Q: Are CMN-SF11 fertilizer spreader gearbox parts available for individual component repair?<\/strong>
\nA: CMN Transmission can supply individual fertilizer spreader gearbox parts for the CMN-SF11 series, including replacement bearings, shaft seals, and bevel gear sets for customers undertaking workshop-level gearbox overhaul. Parts availability depends on the specific component and the order quantity, as some items are supplied in minimum quantities. For workshop distributors maintaining inventory for farmer customers, a standard parts kit including the common service items such as lip seals, bearings, and grease nipples is available as a single SKU. Contact CMN Transmission with your parts requirement and the quantity needed for pricing and lead time confirmation. For complete unit replacement where labor cost outweighs component repair cost, the complete CMN-SF11 assembly is typically the most practical approach.<\/p>\n

Q: How does fertilizer spreader gearbox ratio selection affect spread width?<\/strong>
\nA: Fertilizer spreader gearbox ratio directly affects disc rotational speed, and disc RPM is one of the primary factors governing throw distance and therefore effective spread width. At a fixed PTO input speed, a 1:1 ratio gearbox delivers the same rotational speed to the disc as the PTO output, producing maximum throw for any given disc diameter and vane configuration. A reducing ratio such as 1:2 would halve the disc speed for the same PTO speed input, reducing throw distance and spread width. Most commercial twin-disc spreaders designed for broadcast widths of 12 to 36 meters use disc speeds in the 700 to 1000RPM range, which is why the 1:1 ratio is the most common specification for PTO-driven fertilizer spreaders designed to work with 1000RPM PTO tractor connections. Any change in tractor PTO speed setting from 1000RPM will proportionally affect disc speed and spread width, which is why consistent tractor PTO speed setting during spreading operations is important for calibration accuracy.<\/p>\n

Q: What is the minimum order quantity for CMN-SF11 gearboxes and what are the lead times?<\/strong>
\nA: CMN Transmission supplies both single-unit replacement orders and multi-unit distributor or OEM production orders for the CMN-SF11. Standard catalog models are available without minimum order quantity restrictions for replacement buyers. Distributor and OEM programs with repeat volume commitments can access preferential pricing tiers and dedicated production scheduling. Lead time for standard stock models is typically 15 to 25 working days from order confirmation to shipping, depending on vessel schedule. Custom specification orders require additional lead time for tooling or special procurement where non-standard components are involved. Contact CMN Transmission’s sales team with your required quantity and delivery destination for a current lead time and landed cost estimate before placing your order.<\/p>\n

Q: Does the CMN-SF11 gearbox come with any warranty or quality certification?<\/strong>
\nA: CMN Transmission manufactures the CMN-SF11 and all other agricultural gearbox products under ISO 9001 certified quality management systems, with CE marking compliance for European market requirements. Each production batch undergoes dimensional inspection, gear mesh contact pattern verification, and grease fill quality control checks before shipment. The standard warranty period covers manufacturing defects in materials and workmanship under normal operating conditions within the rated specifications. Warranty claims require documentation of the defect, operating conditions, and installation date. Products showing damage attributable to overloading beyond rated torque, incorrect installation, operation without lubrication maintenance at specified intervals, or use outside the rated speed and power parameters are not covered under the manufacturing warranty. Contact CMN Transmission’s after-sales team for full warranty terms applicable in your region.<\/p>\n

\"CMN-SF10\u80a5\u6599\u6563\u5e03\u6a5f\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/p>\n

\u304a\u5ba2\u69d8\u306e\u58f0<\/h2>\n

James Whitworth, Crop Farming, United Kingdom<\/strong>
\n“We replaced the gearbox on our Amazone ZA-M 1500 spreader at the start of this season. I was a bit worried about fit since we’d had a bad experience with a cheap Chinese unit a few years back, but this CMN-SF11 went on perfectly without any adaptation. The bolt holes lined up first time, shaft keyway dimensions were spot on. Three months and about 400 hectares in, it’s running quietly and no oil seepage anywhere around the seals. Happy with the quality for the price point.”<\/p>\n

Klaus Brentmeyer, Agricultural Machinery, Germany<\/strong>
\n“I ordered four units for our workshop stock here in Bavaria. We service about 30 spreaders locally and we go through a couple of these gearboxes every season. CMN’s lead time was 18 days door to door which is faster than some European suppliers we’ve used. The packaging was solid, no transit damage, and each unit came individually boxed and labeled clearly. One of our technicians said the internal gear quality looked better than he expected. Will order again when stock runs low.”<\/p>\n

Rodrigo Tavares Mendes, Sugarcane and Soybean Farming, Brazil<\/strong>
\n“We run a sugar cane and soybean operation in Mato Grosso. Applied around 2,200 tonnes of granular fertilizer last season across roughly 6,000 hectares with this gearbox in our tractor-pulled spreader. The machine runs eight to ten hours daily during application windows, and we had zero mechanical issues with the gearbox the whole season. The sealed grease design is good for us because we can’t always stop for maintenance in the middle of a busy application period. Very solid product.”<\/p>\n

David Hutchinson, Grain Farming, Australia<\/strong>
\n“Had a communication issue early on about the exact shaft key dimensions we needed for our spreader frame, but the technical team at CMN was very responsive and sent me a proper dimension sheet within a day. Once we confirmed compatibility I placed the order, shipped to Melbourne, took about 21 days total. Installation was straightforward and the gearbox has been running without any problems since. The corrosion resistance seems good too, which matters a lot because we spread a lot of potassium chloride and it’s rough on any metal parts that aren’t well sealed.”<\/p>\n

Michael Arsenault, Agricultural Equipment, Canada<\/strong>
\n“We’re a small distributor in Ontario carrying agricultural gearbox parts for Eastern Canadian farmers. Added the CMN-SF11 to our catalog this spring and already sold seven units. Farmers have been calling back with positive feedback, a couple mentioned the noise level is noticeably lower than the aftermarket units they’d bought previously. I particularly like that the products arrive properly certified with CE documentation, which matters when our commercial customers ask for compliance paperwork. Looking at expanding the CMN line in our next buying season.”<\/p>\n

Giancarlo Morettini, Agricultural Machinery, Italy<\/strong>
\n“We ordered 10 pieces for our repair shop in Emilia-Romagna. The product quality is good, the cast iron casting is robust. We mounted two units on local fertilizer spreaders and after six months there are no problems. The price is competitive compared to original spare parts and delivery to Italy was about 22 days from the order date. We will certainly be placing more orders in the autumn before the spring spreading season.”<\/p>\n

Carlos Eduardo Figueroa, Soybean and Corn Farming, Argentina<\/strong>
\n“I bought two units for my company in C\u00f3rdoba that provides fertilizer spreading services in soybean and corn fields. The gearboxes have already worked 800 hectares without any problem. The 1:1 ratio keeps the disc speed very stable and we have not noticed variation in the spreading width during long working days. The pre-sales service was good, they answered my technical queries on the same day. Shipping times were 25 days to Argentina, within expectations.”<\/p>\n

Alexey Vorontsov, Wheat and Sunflower Farming, Russia<\/strong>
\n“I farm wheat and sunflower near Krasnodar. I replaced the gearbox on my 20-cubic spreader at the beginning of last spring. The old gearbox was leaking from the output seal after four seasons and making some noise. The CMN-SF11 was a good fit and quiet from the first day. I applied approximately 1,800 tonnes of ammonium nitrate across my 3,500-hectare farm over the season and the gearbox performed without any issues. I will order a spare unit to keep in the workshop as insurance for next season.”<\/p>\n

Brian Caldwell, Spreader Manufacturing, United States<\/strong>
\n“We manufacture fertilizer spreaders here in the US, a small batch of about 60 units annually. We had been using a different gearbox supplier who kept having lead time problems. Switched to CMN Transmission last year for the SF11 model. The dimensions were consistent batch to batch, which is important for our production line fitting. Their technical team also helped us work through a minor mounting bracket modification at no extra charge. Delivery was reliable at four to five weeks which works with our build schedule. Good supplier.”<\/p>","protected":false},"excerpt":{"rendered":"

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