Voimanottoakseli takaosan Pul-Blast-ruiskulle, 100, 200, 300, 400, 500 gallonan säiliöt

Reliable PTO Shaft for Rears Pul-Blast Sprayer Models

PTO Shaft for Rears Pul-Blast Sprayer Models: 100, 200, 300, 400, 500 Gallon Tank

The PTO Shaft for Rears Pul-Blast Sprayer 100, 200, 300, 400, 500 Gallon Tank is specifically tailored for demanding orchard and vineyard environments. As an essential component connecting the tractor PTO shaft to the implement, this high-performance PTO driveline shaft guarantees that the immense rotational energy generated by the tractor is smoothly and safely transferred to the sprayer's centrifugal pump and axial fan. Designed to handle the rigorous demands of large-scale spraying operations, this PTO drive shaft for sprayer models accommodates various tank sizes, seamlessly integrating with standard, narrow, and bullet profile Pul-Blast units. The robust construction utilizes heavy duty shaft tubing and precision-engineered PTO shaft u joints, significantly reducing vibrations and extending the lifespan of both the tractor and the sprayer gearbox.

In practical application scenarios, such as navigating high-density apple orchards or expansive citrus groves, the reliability of the orchard sprayer PTO shaft is paramount. Our PTO shaft tractor assemblies are equipped with comprehensive safety features, including a durable PTO shaft guard and protective PTO shaft cover, ensuring compliance with international agricultural safety standards. Whether traversing uneven terrain requiring a constant velocity (CV) hitch setup or operating in tight turning radiuses, the telescoping PTO shaft tube allows for necessary length adjustments without compromising structural integrity. By functioning as a perfect replacement for Weasler PTO shaft systems, this driveline solution offers farmers and agricultural contractors unparalleled value.

Tekniset tiedot

32'' OAL PTO Driveline Shaft

Y501: 1-3/8''6-Spline Q.D.
Y514: 1-1/2-17- Spline
1-11/16-20 Rolled Spl., Telescope
CROSS KIT: 55RW
Used on Pul-flail Shredder
Pantograph (540 RPM)
(CV Hitch to Gearbox) Std.

Tekniset tiedot

Features of PTO Shaft for Rears Pul-Blast Sprayer

1. Exceptionally Heavy Duty PTO Shaft Construction
The foundation of our PTO shaft for Rears Pul-Blast sprayer lies in its uncompromising heavy-duty construction. Fabricated from premium-grade, heat-treated forged steel, the PTO shaft tubing and yokes are engineered to withstand the extreme torsional stresses generated by high-capacity 500-gallon orchard sprayers. This agricultural PTO shaft undergoes a rigorous carbonitriding process, significantly enhancing surface hardness while maintaining core ductility to prevent brittle fractures under sudden loads. The robust build ensures maximum continuous power transmission without deflection, making it an ideal heavy duty PTO shaft for prolonged, intensive spraying cycles in commercial orchards.

2. Precision-Engineered 55RW Universal Joints
At the heart of the driveline's flexibility are the precision-engineered 55RW cross and bearing kits. These advanced PTO shaft u joint assemblies are meticulously designed to handle high torque loads while allowing for smooth articulation when traversing uneven orchard terrain. Each PTO shaft universal joint features high-capacity needle bearings pre-packed with extreme-pressure lithium grease, sealed tightly with multi-lip nitrile rubber seals to entirely lock out destructive moisture, dust, and aggressive spray chemicals. This superior sealing technology drastically extends lubrication intervals and prevents premature wear of the trunnions.

3. Advanced Overload Protection Systems
Protecting both your expensive tractor and the precision gearbox of the Rears Pul-Blast sprayer is critical, which is why our PTO driveline shaft incorporates state-of-the-art overload protection. Customers can choose configurations featuring a highly responsive slip clutch PTO shaft mechanism or a reliable shear bolt PTO shaft design. The slip clutch utilizes advanced friction discs that gracefully absorb shock loads by slipping momentarily during a jam, instantly resuming normal operation once the obstruction clears without requiring manual intervention.

4. Seamless Telescoping Action
The dynamic relationship between a moving tractor and a towed implement requires a driveline that can continuously adapt in length. Our orchard sprayer PTO shaft features a highly refined 1-11/16-20 rolled spline telescoping tube design. This exceptionally smooth PTO shaft tube allows the assembly to effortlessly extend and compress as the tractor negotiates dips, crests, and sharp turns within the orchard rows. The precisely broached splines reduce sliding friction to an absolute minimum, practically eliminating dangerous end-thrust forces that can severely damage the tractor's internal PTO bearings or the implement's gearbox input shaft.

5. Comprehensive Safety Shielding
Operator safety is our highest priority, dictating the design of our comprehensive PTO shaft guard system. Each tractor PTO shaft is encased in a robust, UV-stabilized, high-density polyethylene (HDPE) safety shield. This non-rotating PTO shaft cover remains stationary while the internal shaft spins at 540 RPM, providing a critical physical barrier against accidental entanglement. The shielding system includes heavy-duty anti-rotation chains that securely tether the guard to both the tractor and the sprayer chassis. Furthermore, the innovative master shield cone design completely overlaps the spinning PTO shaft yoke and universal joints, leaving no exposed rotating components.

6. Universal Compatibility and Easy Installation
Engineered as a direct, hassle-free upgrade or replacement of Weasler PTO shaft components, this driveline offers unmatched versatility. The tractor side features a standardized Y501 1-3/8'' 6-Spline Quick Disconnect yoke, allowing for rapid, tool-free attachment to virtually any modern agricultural tractor output stub. On the implement side, the Y514 1-1/2 17-Spline yoke provides a perfect, zero-lash fit onto the Rears Pul-Blast gearbox input. We offer a variety of PTO shaft sizes and custom PTO shaft lengths to accommodate the specific 100 to 500-gallon tank configurations, whether standard, narrow, or bullet profiles.

Working Principle of Orchard Sprayer PTO Shaft

The fundamental working principle of the PTO Shaft for Rears Pul-Blast Sprayer revolves around the safe, efficient, and continuous transmission of mechanical kinetic energy from the power source (the tractor) to the driven implement (the orchard sprayer). The process begins at the tractor's Power Take-Off (PTO) stub, where engine power is converted into rotational torque, typically governed to a standard speed of 540 RPM for this class of equipment. The tractor PTO drive shaft interfaces with this stub using the Y501 1-3/8'' 6-Spline Quick Disconnect yoke. When engaged, the yoke locks securely onto the splines, ensuring a solid mechanical bond that initiates the rotational transfer through the entire driveline.

As the rotational force travels down the PTO driveline shaft, it immediately encounters the first of two critical articulated joints, the front PTO shaft universal joint. Because the tractor and the trailed sprayer are rarely in perfect linear alignment, especially when navigating the undulating terrain and sharp rows typical of orchards and vineyards, these universal joints are vital. They allow the rigid shaft to transmit torque cleanly around corners and angles. The central section of the assembly consists of the telescoping PTO shaft tube featuring rolled 1-11/16-20 splines. This ingenious two-piece sliding mechanism solves the geometric problem of distance variation. When the tractor turns or traverses a ditch, the distance between the tractor PTO stub and the sprayer gearbox changes. The internal and external profiles of the PTO shaft tubing slide effortlessly within one another, expanding and compressing to absorb these distance changes without applying destructive axial loads (end-thrust) on either machine's bearings.

The power continues through the rear universal joint and into the implement yoke, which couples directly to the input shaft of the Rears Pul-Blast sprayer's step-up gearbox. This gearbox then multiplies the 540 RPM input to drive the massive axial flow fan (up to 36 inches in diameter) and the high-pressure centrifugal or diaphragm pump simultaneously. Throughout this intense energy transfer, the protective slip clutch PTO shaft or shear pin PTO shaft mechanisms stand guard. Should the fan inhale a heavy branch or the pump seize, the sudden spike in torque threatens to twist the shaft or shatter the gearbox. The overload clutch immediately slips (or the shear bolt cleanly breaks), instantly severing the flow of kinetic energy and saving the equipment from catastrophic failure. Meanwhile, the outer PTO shaft guard remains stationary on its bearings, providing a vital safety shield that prevents operators from coming into contact with the rapidly rotating steel core. This harmonious interaction of splines, u-joints, sliding tubes, and safety clutches makes the agricultural PTO shaft an indispensable conduit of power.

Sovellusalueet

1. Hedelmätarhojen tuholais- ja tautien torjunta
The primary use case. The Rears Pul-Blast Orchard Sprayer efficiently applies insecticides, fungicides, and foliar nutrients to apple, pear, and other pome fruit orchards through its powerful axial flow blower system and customizable volutes, delivering deep canopy penetration and uniform coverage essential for effective pest and disease control while optimizing chemical utilization and supporting high-yield fruit production across diverse orchard layouts. The heavy duty PTO shaft provides the unyielding power required to maintain the high-velocity air stream critical for displacing air within dense foliage, ensuring every leaf surface receives the necessary chemical protection, thereby maximizing the efficacy of the orchard sprayer PTO shaft system in commercial agriculture.

2. Viinitarhojen ja säleikkökasvien suojelu
Utilizing specialized grape arch add-ons and vineyard scoops, the Pul-Blast provides precise air-assisted spraying for grapevines in vineyards and trellised systems, ensuring targeted delivery to foliage and clusters for superior control of mildew, insects, and other threats while accommodating various row spacings and canopy structures to maintain vine health and premium grape quality throughout the growing season. The 540 PTO shaft allows the tractor to operate at optimal engine RPMs, transferring consistent torque through the PTO driveline shaft to generate the precise droplet sizes required for delicate grape clusters, preventing runoff while ensuring absolute coverage against pervasive viticulture diseases like botrytis and powdery mildew.

3. Marjakasvien ruiskutustoiminnot
Managing high-density plantings such as blueberries and other berry crops with narrow-profile tanks and appropriately sized fans, the Rears Pul-Blast enables efficient navigation between rows and effective airblast application to dense foliage, delivering thorough protection against pests and diseases with minimal drift and optimal deposition to enhance fruit quality and commercial yields. Operating in these incredibly tight row confines demands a PTO shaft with slip clutch that can handle extreme driveline angles. The precision PTO shaft u joint design ensures that even when the tractor is making sharp turns at row ends, the power transmission remains smooth and vibration-free, protecting both the traktorin voimanottoakseli and the narrow-profile sprayer components.

4. Citrus Grove Maintenance
Handling the demands of tall, dense canopies in citrus orchards with robust higher-capacity tanks and larger fan options, the sprayer distributes spray materials uniformly and deeply into foliage to combat citrus-specific pests, mites, and fungal diseases, thereby sustaining tree vitality, fruit production, and operational efficiency across expansive commercial groves. Pushing spray material to the top of 20-foot citrus trees requires massive kinetic energy transfer from the tractor. The robust PTO drive shafts utilized here, specifically crafted for 400 and 500-gallon Rears Pul-Blast sprayers, easily handle the immense torque load. This custom PTO shaft durability ensures uninterrupted spraying operations, which is critically important during narrow application windows dictated by weather and pest life cycles in humid citrus regions.

5. Pähkinätarhojen käyttötarkoitukset
Supporting comprehensive spray programs in pecan, filbert, and other nut orchards with its heavy-duty construction and powerful airflow, the Pul-Blast achieves reliable canopy coverage for tall trees, facilitating effective management of insects, fungi, and nutritional needs to safeguard nut quality and tree vigor during critical growth stages. Nut orchard floors are notoriously uneven, creating jarring dynamic loads on towing equipment. Our agricultural PTO shaft effectively mitigates these challenges through its thick-walled PTO shaft tube and robust telescoping action, maintaining a secure link between the tractor and the heavy implement. The slip clutch PTO shaft configuration shines here, easily absorbing the shock of ground irregularities without interrupting the critical power supply to the massive 36-inch fans required for tall nut tree canopy penetration.

6. Joulukuusi ja erikoiskasvien hoito
Providing adaptable configurations for Christmas tree plantations, nurseries, and similar specialty crops, the Pul-Blast delivers precise airblast treatment of insecticides, growth regulators, and color enhancers across young or uniquely shaped plantings, ensuring uniform coverage and plant health while minimizing impact on foliage and enabling efficient operations in closely spaced production environments. The PTO drive shaft for sprayer models used in these delicate applications must offer ultra-smooth power delivery to avoid turbulent air blasts that could physically damage young tender shoots.

Asennusvaiheet

1. Pre-Installation Preparation and Inspection
Before installing the new PTO shaft for Rears Pul-Blast sprayer, completely power down the tractor, engage the parking brake, and remove the key. Inspect both the tractor PTO stub and the sprayer's gearbox input shaft. Clean them thoroughly with a wire brush to remove rust, old grease, and debris. Any burrs on the splines should be carefully filed down to prevent binding. Unbox the new tractor PTO shaft and visually inspect the PTO shaft universal joint, making sure the cross kits move freely without stiffness. Verify that the PTO shaft sizes match your equipment, specifically ensuring the Y501 yoke fits your 1-3/8" 6-spline tractor stub and the Y514 fits the 1-1/2" 17-spline gearbox. Proper preparation prevents premature wear and installation headaches.

2. Accurate Length Measurement and Cutting
One of the most critical steps in fitting a replacement Weasler PTO shaft is ensuring the PTO shaft length is correct. Hitch the Pul-Blast sprayer to the tractor and articulate it to the sharpest turning angle possible to find the minimum distance. Separate the two halves of the PTO driveline shaft and hold them parallel alongside the tractor and implement connection points. Mark the inner and outer PTO shaft tubing where they overlap excessively; there must be at least 1-inch of clearance from bottoming out when fully compressed. Cut equal amounts off both the outer PTO shaft guard tube and the internal steel profile. Deburr all cut edges meticulously with a file to ensure the telescoping PTO shaft tube slides without catching on metal shavings.

3. Connecting the Implement Yoke
Begin the actual physical connection at the implement side. Slide the implement half of the orchard sprayer PTO shaft onto the Pul-Blast sprayer's gearbox input shaft. For the Y514 1-1/2" 17-spline PTO shaft yoke, ensure the splines mate smoothly without forced hammering. Depending on the specific design (whether it utilizes a locking pin, a clamp bolt, or a PTO shaft shear bolt mechanism), securely fasten the yoke to the shaft. If utilizing a slip clutch PTO shaft configuration, ensure the clutch pack is positioned closest to the implement gearbox, as this provides the most immediate torque relief for the driven machinery. Torque all locking bolts to the manufacturer's specified tension to prevent the yoke from walking off the shaft during high-vibration operation.

4. Connecting the Tractor PTO Yoke
Apply a light coat of multi-purpose lithium grease to the tractor's PTO stub. Take the tractor half of the PTO drive shaft and depress the quick-disconnect locking pin on the Y501 1-3/8" 6-spline yoke. Slide the yoke smoothly onto the tractor PTO shaft. Once fully seated, release the locking pin and pull back firmly on the yoke assembly. You must hear an audible 'click' and feel the pin lock securely into the retaining groove of the tractor stub. A loose PTO shaft tractor connection is incredibly dangerous and can result in the entire driveline detaching at 540 RPM. Re-verify the connection by giving it several hard tugs in the axial direction to ensure it is absolutely immobile before proceeding to the next step.

5. Securing the Safety Shields
With the heavy duty PTO shaft mechanically connected, attention must immediately turn to the safety features. The plastic PTO shaft cover must not rotate with the steel shaft during operation. Locate the anti-rotation chains attached to the cones of the PTO shaft guard on both ends. Clip the tractor-side chain to a sturdy, non-moving point on the tractor chassis (never to the lower link arms, which move). Clip the implement-side chain to a stationary bracket on the Rears Pul-Blast frame. Ensure the chains have enough slack to allow for the articulation of the driveline during turns, but are tight enough to completely arrest the rotation of the plastic guard. Inspect the entire length of the shield for cracks or missing bearings before operating the machine.

6. Initial Lubrication and Test Run
Before firing up the tractor, use a grease gun to thoroughly lubricate all zerk fittings located on the PTO shaft u joint crosses (55RW) and the telescoping sliding tubes according to the maintenance schedule. Start the tractor engine and leave it in idle. Engage the 540 PTO shaft clutch slowly and smoothly. Observe the rotating PTO drive shaft for sprayer from a safe distance. Look for any excessive wobble, vibration, or alarming noises. The telescoping action should be imperceptible, and the safety guards must remain stationary. Slowly increase the engine RPM until the PTO reaches operating speed. Run it for five minutes, disengage, turn off the tractor, and perform a final tactile inspection for overheating bearings or loose yokes before deploying it to the orchard.

How to Choose the Right PTO Shaft for Sprayer

1. Determine the Correct PTO Shaft Length
The most critical specification is the overall length (OAL). A custom PTO shaft that is too short will pull apart under strain, while one that is too long will bottom out and destroy your gearbox. Measure the distance from the tractor's PTO stub groove to the implement's input shaft groove when the Pul-Blast sprayer is parked perfectly straight. Always err on the side of purchasing a slightly longer driveline, as the telescoping PTO shaft tube can be cut down to fit perfectly during installation, whereas a short shaft is utterly useless.

2. Identify Your Spline Configurations
To ensure your PTO shaft tractor connection is secure, accurately count the splines and measure the diameter of both connection points. For a standard Rears Pul-Blast setup, you will typically need a tractor yoke matching a 1-3/8" 6-spline output, and an implement yoke matching a 1-1/2" 17-spline input. If your specific tractor differs (e.g., requires a 1000 rpm PTO shaft setup with 21 splines), you must either select a driveline with those specific yokes pre-installed or purchase a certified PTO shaft adapter to safely bridge the mechanical gap.

3. Match Horsepower and Torque Ratings
Not all agricultural PTO shaft assemblies are created equal. A driveline designed for a 50 HP tractor will fail catastrophically if hooked to a 150 HP tractor driving a massive 500-gallon sprayer with a 36" fan. Evaluate the horsepower rating of your tractor and the consumption requirements of the Pul-Blast sprayer. Ensure the heavy duty PTO shaft you select (such as one featuring robust 55RW cross kits) is engineered to handle, and preferably exceed, the maximum torque output to guarantee longevity and safety during intense operating conditions.

4. Choose the Right Overload Protection
Assess your working environment to decide between a slip clutch PTO shaft and a shear bolt PTO shaft. If your orchard has heavy debris, loose stones, or uneven ground that frequently bogs down the fan or pump, a friction slip clutch is superior as it resets automatically. If sudden, catastrophic jams are rare but pose an extreme threat to the gearbox, a simpler, cost-effective shear pin PTO shaft provides a hard, definitive break to stop torque transfer instantly. The right choice prevents massive repair bills for the sprayer's internal components.

5. Evaluate Operating Angles and Constant Velocity (CV) Needs
If your orchard layout necessitates extremely tight turns at the end of rows without disengaging the PTO, a standard orchard sprayer PTO shaft will suffer from severe vibration and rapid u-joint destruction. In these scenarios, especially common with the Bullet profile Rears sprayers, you must select a driveline designed for or compatible with a Constant Velocity (CV) hitch. A CV-capable PTO driveline shaft incorporates dual-cardan joints that equalize the rotational speed variations during sharp articulation, preserving the integrity of both the tractor PTO drive shaft and the implement gearbox.

Yleinen vianmääritys

1. Severe Driveline Vibration During Operation
If the PTO driveline shaft vibrates violently, immediately stop the tractor. This is usually caused by worn out PTO shaft u joint trunnions or bearings losing their needle rollers. It can also occur if the telescoping PTO shaft tube is bent due to bottoming out, or if the two halves were reassembled out of phase (the yokes on either end of the sliding tube are not aligned on the same plane). Inspect the cross kits for play; if any looseness is detected, replace the 55RW u-joint entirely to restore the smooth functioning of your orchard sprayer PTO shaft.

2. Telescoping Tube Binding or Sticking
When the tractor turns, the PTO shaft must smoothly collapse and extend. If you feel resistance or hear grinding, the internal PTO shaft tubing lacks lubrication or is packed with dried mud and debris. Separate the shaft completely, clean both the internal and external splined profiles with a degreaser, and thoroughly inspect for galling, burrs, or twisting in the steel. Reapply a generous coating of heavy-duty lithium grease before reassembling. Persistent binding can destroy the tractor PTO shaft bearings, so addressing this friction immediately is crucial for equipment longevity.

3. Slip Clutch Overheating or Constant Slipping
If your slip clutch PTO shaft emits smoke, smells like burning brakes, or fails to bring the Rears Pul-Blast fan up to speed, the clutch plates have either worn out, become glazed, or the tension springs are set incorrectly. First, ensure the implement is not physically jammed. Then, loosen the tension bolts, manually break the clutch plates free if they are rusted together, and re-torque the tension springs strictly according to the manufacturer's manual. If the friction discs are worn thinner than the specified tolerance, rebuild the clutch with new PTO shaft parts immediately.

4. Frequent Breaking of Shear Bolts
Experiencing constant snapping of the PTO shaft shear bolt is frustrating but indicates the safety system is working. If it breaks during normal startup without heavy loads, you are likely engaging the 540 PTO shaft clutch too aggressively. Always engage the PTO at low idle, letting the heavy fan slowly gain momentum before throttling up. Alternatively, you might be using substandard hardware; always use the exact grade (e.g., Grade 5 or metric equivalent) specified for your shear pin PTO shaft. Never replace a shear bolt with a harder hardened steel bolt, as this entirely defeats the safety mechanism.

5. Damaged or Spinning Safety Guards
If the plastic PTO shaft guard is cracked, missing, or spins freely alongside the heavy duty PTO shaft, it poses a lethal hazard. The nylon bearings that allow the guard to remain stationary over the spinning PTO shaft tube may be seized from dirt, lack of grease, or impact damage. Disconnect the shaft, remove the plastic cones, and clean out the nylon bearing races. If the PTO shaft cover itself is shattered from hitting the tractor drawbar on tight turns, the entire plastic shield assembly must be replaced to comply with essential agricultural safety regulations.

6. Quick Disconnect Yoke Won't Latch to Tractor
When attaching the tractor PTO drive shaft, if the quick-disconnect pin on the Y501 yoke refuses to depress or won't snap back to lock into the groove, dirt or rust has likely infiltrated the spring mechanism. Do not force it onto the tractor with a hammer. Remove the yoke from the shaft if necessary, use penetrating oil to flush the locking pin mechanism, and work it back and forth until the spring action is snappy and fully extends. A sticky locking pin on your agricultural PTO shaft is highly dangerous and can result in the driveline flying off under load.

Orchard Sprayer PTO Shaft and Orchard Sprayer Gearbox

The performance of any high-capacity agricultural implement relies entirely on the harmonious relationship between its power delivery systems. The Orchard Sprayer PTO Shaft and the Orchard Sprayer Gearbox operate in a highly synchronized, symbiotic relationship that dictates the efficiency and longevity of the Rears Pul-Blast sprayers. The tractor generates a massive amount of low-speed, high-torque energy at the PTO stub, typically rotating at a constant 540 RPM. The primary function of the orchard sprayer PTO shaft is to serve as a flexible, robust bridge, carrying this raw kinetic energy across the variable physical gap and terrain-induced angles to reach the implement. Utilizing heavy duty PTO shaft components, including the highly durable 55RW universal joints and precisely broached PTO shaft yokes, it ensures that not an ounce of torque is wasted through vibration or driveline flex.

Once the PTO driveline shaft successfully delivers this 540 RPM rotational energy to the implement side, it directly engages the Orchard Sprayer Gearbox via the Y514 1-1/2" 17-spline input shaft. Here is where the transformation occurs. The primary purpose of the sprayer gearbox is step-up speed multiplication and power division. The massive axial fans found on the Pul-Blast (ranging from 22 to 36 inches in diameter) require significantly higher rotational velocities than 540 RPM to generate the hundreds of thousands of cubic feet per minute (CFM) of air blast necessary for deep canopy penetration. The internal bevel and helical gears within the gearbox multiply the input speed up to 2000+ RPM while simultaneously diverting a precise amount of torque to run the high-pressure centrifugal or diaphragm chemical pump.

The crucial connection between these two components highlights why selecting a high-quality PTO shaft for Rears Pul-Blast sprayer is non-negotiable. If the PTO drive shaft lacks a properly calibrated slip clutch PTO shaft mechanism or a shear bolt PTO shaft fuse, a sudden jam in the high-speed fan will send a devastating shockwave of reverse torque directly back into the precision gearbox. This can instantly strip the internal gear teeth or snap the input shaft, resulting in disastrous repair costs. Conversely, a perfectly matched CMN agricultural PTO shaft acts as the ultimate guardian, utilizing its overload protection to instantly sever the mechanical link during a jam, preserving the complex and expensive gearbox. This synchronized interplay ensures that the tractor, the shaft, and the gearbox function as a unified, highly efficient crop protection machine.

Miksi valita CMN Transmissionin maatalouskoneiden nivelakselit?

CMN Transmission (Korea) stands as one of the world's leading suppliers of industrial and agricultural power transmission solutions, with a product range spanning PTO drive shafts, agricultural gearboxes, hydraulic cylinders, planetary gearboxes, worm gearboxes, bevel gears, chain sprockets, chains, gear racks, pulleys, taper bushes, couplings, and more. Headquartered in Ansan-si, Gyeonggi-do, Korea, with a production base and over 10 shareholding cooperative factories, we maintain an inventory of more than 150,000 standard stock products and serve customers in over 53 countries across North America, Europe, South America, the Middle East, Africa, Southeast Asia, and Oceania. What sets CMN Transmission apart in the agricultural PTO shaft market is our commitment to factory-direct pricing without sacrificing quality.

As an integrated manufacturing and trading company, we eliminate the multiple dealer markups that inflate the cost of OEM replacement parts. Every tractor PTO shaft we produce is manufactured using advanced CAD design, precision CNC machining, modern heat treatment processes, and rigorous quality testing. Our products carry both ISO and CE certifications, ensuring compliance with international safety and performance standards. Whether you are seeking a robust orchard sprayer PTO shaft or high-stress heavy duty PTO shaft components, our meticulous quality control guarantees reliability.

Tuotteiden laadun lisäksi tarjoamme asiakastukea, jota suuret OEM-brändit eivät usein pysty tarjoamaan. Tekninen tiimimme tarjoaa myyntiä edeltävää konsultaatiota vahvistaakseen ura-akselien kokoonpanot, akselin pituudet ja kytkimen tekniset tiedot juuri sinun traktori- ja työkoneyhdistelmällesi. Tarjoamme räätälöityjä nivelakselin osia epästandardeihin sovelluksiin ja toimitamme pyynnöstä yksityiskohtaiset mittapiirustukset. Myynnin jälkeen kattava myynninjälkeinen palvelumme varmistaa, että varaosat, tekninen ohjaus ja takuutuki ovat aina saatavilla. Kun valitset CMN Transmissionin, valitset kumppanin, joka on sitoutunut pitämään laitteesi toiminnassa tehokkaasti, luotettavasti ja turvallisesti kaudesta toiseen.

Usein kysytyt kysymykset

Q: Is this agricultural PTO shaft fully compatible with all Rears Pul-Blast Sprayer sizes?
A: Yes, this heavy duty PTO shaft is engineered to be broadly compatible across the entire Rears Pul-Blast lineup, covering the 100, 200, 300, 400, and 500 Gallon Tank capacities. Whether you operate the Standard, Narrow, or Bullet profile, the Y514 1-1/2" 17-spline implement yoke connects seamlessly to the standard sprayer gearbox. However, because hitch lengths vary, you must ensure the 32'' OAL PTO driveline shaft provides adequate telescoping range without bottoming out; simply cut the PTO shaft tube down to your specific operational length during initial installation.

Q: Can I use this as a direct replacement for Weasler PTO shaft systems?
A: Absolutely. Our orchard sprayer PTO shaft is manufactured to universally recognized dimensional and performance standards, making it a perfect drop-in replacement for Weasler PTO shaft or Walterscheid units. The critical connection points, the 1-3/8'' 6-Spline Q.D. tractor yoke, and the 55RW cross kits, adhere to exact industry measurements. You will receive equivalent or superior metallurgical strength and torque transfer capabilities at a factory-direct price point, completely eliminating the exorbitant markups associated with purchasing branded OEM replacement PTO shaft parts from local dealerships.

Q: What type of overload protection does this tractor PTO drive shaft utilize?
A: To protect your expensive sprayer gearbox and tractor internals, this PTO drive shaft for sprayer models is available with two distinct overload protection options. You can select the slip clutch PTO shaft configuration, which utilizes friction plates to gracefully absorb sudden shock loads and automatically resumes operation once the jam clears, ideal for fields with heavy debris. Alternatively, we offer a shear bolt PTO shaft setup, which utilizes a precisely calibrated shear pin PTO shaft fuse that snaps under extreme torque, instantly severing the driveline power to prevent catastrophic mechanical failure.

Q: How often should I lubricate the PTO shaft u joint and telescoping tube?
A: Proper lubrication is paramount for the longevity of your agricultural PTO shaft. The 55RW cross kit bearings (PTO shaft universal joint) should be heavily greased with a high-quality, extreme-pressure lithium grease every 8 to 10 hours of active operation. The telescoping internal and external PTO shaft tubing (the 1-11/16-20 rolled splines) requires fresh grease applied every 20 hours to prevent friction galling and dangerous end-thrust forces from developing. Furthermore, lightly lubricate the quick disconnect pin on the PTO shaft yoke daily to ensure it locks securely onto the tractor stub.

Q: My tractor requires a 1000 rpm PTO shaft setup. Will this 540 PTO shaft work?
A: The standard Rears Pul-Blast sprayer gearbox is engineered to accept a 540 RPM input. Consequently, this specific PTO shaft for Rears Pul-Blast sprayer is balanced and constructed for 540 RPM operation using a 1-3/8" 6-spline tractor yoke. If your tractor only outputs 1000 RPM (typically a 21-spline stub), you cannot safely use this driveline without risking immediate and catastrophic over-speed destruction of the sprayer fan and gearbox. If your tractor has a dual-speed PTO, ensure it is firmly switched to the 540 setting. We can provide custom PTO shaft configurations if you have a uniquely geared setup.

Q: Is the PTO shaft cover compliant with international safety standards?
A: Yes, the safety of the operator is non-negotiable. Every tractor PTO shaft we manufacture is equipped with a high-density, UV-resistant plastic PTO shaft guard that fully encases the rotating steel driveline. This shielding system includes robust anti-rotation chains to ensure the cover remains completely stationary while the shaft spins inside. Our guards fully comply with stringent CE and ISO agricultural safety directives, providing reliable protection against entanglement. Should the PTO shaft cover ever become cracked or damaged from impacts, it must be replaced immediately prior to operating the machinery.

Q: How do I determine the correct PTO shaft sizes and dimensions I need?
A: To confirm the exact PTO shaft sizes required, you must measure three key elements. First, count the splines and measure the diameter of your tractor's PTO stub (standard is 1-3/8" with 6 splines). Second, do the same for the implement gearbox input (Standard for this Pul-Blast is 1-1/2" with 17 splines). Finally, calculate the PTO shaft length by measuring the distance between the locking grooves of the two shafts when the tractor and sprayer are parked in a straight line. Always buy a driveline that is slightly longer, as the PTO shaft tubing can be cut down to fit.

Q: Do you sell individual PTO shaft parts like replacement yokes or cross kits?
A: Yes, as a comprehensive manufacturer of agricultural power transmission components, CMN Transmission supplies a complete range of replacement PTO shaft parts. If your driveline is mostly intact but has suffered isolated wear, you do not need to replace the entire unit. We stock and ship individual 55RW cross kits (PTO shaft u joint), Y501 and Y514 PTO shaft yoke assemblies, friction discs for the slip clutch PTO shaft, safety guards, and even a variety of PTO shaft adapter units to bridge non-standard connections. This modular support ensures your orchard equipment stays running cost-effectively.

Q: What happens if my tractor PTO shaft bottoms out while turning?
A: If the telescoping PTO shaft tube bottoms out (compresses entirely so there is no more sliding room left) while turning or navigating a deep ditch, the resulting physical force is catastrophic. This creates massive "end-thrust." Because the shaft cannot compress further, it acts as a solid steel ram, violently pushing against the tractor's internal PTO bearings and the implement's gearbox casing. This frequently shatters the gearbox or destroys the tractor's rear end. It is absolutely vital to properly measure and cut the PTO driveline shaft length during initial installation to ensure at least 1-2 inches of compressive clearance at the sharpest turning angles.

Q: Can you manufacture a custom PTO shaft for a highly modified sprayer?
A: Absolutely. CMN Transmission specializes in providing OEM support and creating custom PTO shaft solutions for unique agricultural demands. If your Rears Pul-Blast has been modified with extended hitches, non-standard high-capacity gearboxes, or if you are running it on a highly specialized vineyard tractor with unique spline outputs, our technical team can assist. We can engineer heavy duty PTO shaft configurations featuring exact PTO shaft dimensions, specialized constant velocity (CV) joints, specific shear pin PTO shaft torque ratings, and custom lengths to ensure perfect, safe power transmission tailored exactly to your unique farming application.

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James, Orchard Manager, USA
"Been running a 400-gallon Rears Pul-Blast in our high-density apple blocks for years. After our original OEM driveline started vibrating badly, I ordered this exact replacement Weasler PTO shaft from CMN. The Y501 and Y514 yokes matched perfectly, no adapter needed. We are about 250 hours in this season, running the 540 PTO shaft under heavy load pushing the 32-inch fan, and the build quality feels incredibly solid. The slip clutch PTO shaft saved my gearbox when we sucked up a massive pruned branch last week. Highly recommend this heavy duty PTO shaft for serious orchard work."

Marco, Vineyard Owner, Italy
"Finding a reliable PTO shaft for orchard sprayer applications that doesn't cost a fortune locally was difficult until I found CMN Transmission. Our terrain is steep, and the constant articulation wears out inferior PTO shaft u joint parts fast. Installed this 32'' OAL driveline on my 300-gallon narrow profile Pul-Blast. The 55RW cross kits are beefy and hold grease exceptionally well. Shipping to Europe was surprisingly fast, taking just over a week. The PTO shaft tube telescopes smoothly without any binding when I make tight turns at the end of the trellis rows. Fantastic quality and value."

David, Citrus Grower, Australia
"We push our gear hard during the spraying season down under. I needed a custom PTO shaft setup for our 500-gallon standard profile rig. The customer service team at CMN helped confirm the 1-11/16-20 rolled spline specs before I bought. When the tractor PTO drive shaft arrived, it was practically plug-and-play. The thick plastic PTO shaft cover gives me peace of mind regarding my operators' safety. It's been running a 36-inch fan continuously at 540 RPM for three months now. For the competitive price, this agricultural PTO shaft outperforms the expensive OEM replacements easily."

Carlos, Nut Farm Operator, Spain
"Our almond orchard puts immense strain on equipment. I purchased the shear pin PTO shaft version for our Rears sprayer. Last week, the pump seized up out of nowhere. The PTO shaft shear bolt snapped exactly as it was engineered to do, instantly saving my tractor's PTO clutch and the sprayer's expensive step-up gearbox from thousands in damages. Replaced the bolt in 5 minutes and we were back up. The robust forged yokes and the high-quality PTO shaft parts CMN uses are genuinely top-tier. Their fast international delivery keeps our downtime to an absolute minimum."

Thomas, Specialty Crop Farmer, Canada
"I run a smaller 100-gallon bullet profile Rears rig through tight Christmas tree rows. I was struggling to find an orchard sprayer PTO shaft short enough that wouldn't bind. The technical drawings CMN provided helped me calculate exactly where to cut the PTO shaft tubing. Once sized, the 1-3/8 6-spline locked right onto the tractor. Only giving 4 stars because the courier delayed delivery by two days at the border, but the PTO driveline shaft itself is flawless. The Constant Velocity articulation works beautifully with the bullet sprayer's hitch system. Will definitely buy again."

Lucy, Viticulturist, France
"Outstanding heavy duty PTO shaft! The original PTO drive shaft for sprayer on our 200-gallon Pul-Blast shattered a u-joint right before critical fungicide application. Found this exact PTO shaft for Rears Pul-Blast sprayer online. The quality of the Y514 implement yoke and the 55RW universal joints are visibly superior to the aftermarket junk sold locally. It handles the 540 RPM torque effortlessly, and the slip clutch PTO shaft engaged perfectly when we bogged down in mud. The ISO9001 certification badge gave me confidence, but the actual field performance proved it. Merci CMN!"

Pieter, Agri-Contractor, South Africa
"As a contractor spraying thousands of hectares of citrus, I cannot afford equipment failure. I bought three of these tractor PTO shafts from CMN as backups. I ended up putting one on our main 500-gal Pul-Blast immediately. The PTO shaft guard is incredibly tough and hasn't cracked in the African sun. The 1-11/16-20 rolled spline telescoping tube handles the constant dust and grit well, provided you keep it greased. Truly a professional-grade replacement of Weasler PTO shaft that saves us massive overhead costs without compromising a single ounce of reliability. Best value on the market."

Kenji, Berry Farm Owner, Japan
"Very impressed with the manufacturing precision. Our blueberry rows require extremely tight navigation, putting lots of stress on the orchard sprayer PTO shaft. The PTO shaft u joint articulations on this CMN product are buttery smooth. Replacing the old driveline was simple; the Y501 yoke snapped right onto our compact tractor. I highly appreciate that they offer customized PTO shaft sizes since our imported equipment occasionally uses non-standard dimensions. The customer support was excellent, guiding me through the spline measurements. The tractor PTO drive shaft has been running flawlessly all season."

Alejandro, Pecan Grower, Mexico
"The torque required to spin the 36-inch fan on our 400-gallon rig is massive. A cheap local PTO driveline shaft literally twisted like a pretzel on us. We upgraded to this heavy duty PTO shaft from CMN and the difference is night and day. The thickness of the PTO shaft tube and the massive 55RW cross kits handle the 540 PTO shaft load with zero vibration. The price competitive nature of ordering factory-direct allowed us to buy a spare, though looking at the build quality, I doubt we will need it anytime soon. Excellent product."