PTO 샤프트

PTO 샤프트(동력 인출축)는 트랙터 또는 엔진에서 발생하는 회전력을 연결된 농기구 또는 장비로 직접 전달하는 기계식 구동계 부품입니다. 모든 농기계에 자체 엔진이 필요했던 기존 방식과 달리, PTO 샤프트 덕분에 한 대의 트랙터로 로터리 틸러, 플레일 모어, 목재 파쇄기, 베일러, 퇴비 살포기 등 다양한 농기구를 작동시킬 수 있습니다.

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트랙터 PTO 샤프트 종류

트랙터 PTO(동력 인출 장치) 샤프트는 트랙터 엔진의 회전력을 다양한 작업 장비로 전달하는 기계식 구동 부품입니다. 회전식 절단기, 원형 베일러, 사각 베일러, 회전식 경운기, 사료 혼합기, 플레일 파쇄기, 플렉스윙 잔디 깎는 기계, 제설기, 디스크 바인, 살포기, 분무기, 멀처 등 다양한 작업에서 안전하고 효율적인 작동을 위해서는 올바른 샤프트 유형을 선택하는 것이 필수적입니다. 이 샤프트는 스플라인 개수, 회전 속도(일반적으로 540RPM 또는 1000RPM), 토크 용량, 길이, 오버런 또는 전단 볼트 보호 기능 등에서 차이가 있습니다. 예를 들어, 고하중 사각 베일러에는 슬립 클러치 보호 기능이 있는 강화 샤프트가 필요하지만, 경량 분무기에는 표준 크로스 베어링 방식의 구동축만 필요할 수도 있습니다.

회전식 절단기용 PTO 샤프트

원형 베일러용 PTO 샤프트

사각 베일러용 PTO 샤프트

로터리 틸러용 PTO 샤프트

사료 혼합기용 PTO 샤프트

플레일 슈레더용 PTO 샤프트

플렉스윙 잔디깎이용 PTO 샤프트

제설기용 PTO 샤프트

디스크바인용 PTO 샤프트

살포기용 PTO 샤프트

분무기용 PTO 샤프트

멀처용 PTO 샤프트

교체 가능한 PTO 구동축 브랜드

당사의 PTO 구동축은 Bondioli & Pavesi, Weasler, Walterscheid 등 업계 주요 브랜드의 제품을 직접 대체할 수 있도록 정밀하게 설계되었으며, 스플라인 프로파일, 튜브 직경, 크로스 및 베어링 치수, 보호 가드 설계 등 모든 면에서 순정 사양과 동일합니다. 따라서 작업자는 개조, 가동 중단 또는 동력 전달 성능 저하 없이 부품을 교체할 수 있습니다.

Bondioli & Pavesi의 PTO 샤프트 교체

위즐러 PTO 샤프트 교체

Walterscheid PTO 샤프트 교체

PTO 샤프트 부품

PTO 샤프트 U 조인트

PTO 샤프트 튜브

PTO 샤프트 요크

PTO 샤프트 안전 보호대

PTO 샤프트 토크 제한 장치

PTO 샤프트 광각 조인트

What Is a PTO Shaft?

The Power Take-Off shaft, or PTO shaft, serves as a core mechanical linkage in agricultural operations. It connects a tractor directly to external implements and attachments, such as rotary tillers for soil preparation, mowers for vegetation control, or balers for crop handling. By transmitting rotational power from the tractor’s engine to these devices, the shaft eliminates the need for each implement to carry its own independent power unit. Instead, one tractor supplies energy to a range of tools, delivering measurable gains in daily productivity and lowering overall equipment expenditures on the farm.

The tractor’s built-in PTO stub shaft rotates at standardized speeds—most often 540 RPM or 1000 RPM to match the requirements of different implements. The PTO shaft attaches securely to this stub and channels the turning force through a series of precision-engineered universal joints and telescoping tube sections. These components maintain consistent alignment and smooth energy delivery, even as the tractor moves across uneven ground or adjusts its position relative to the implement. At the far end, the shaft engages the implement’s gearbox, converting incoming rotation into the mechanical action needed for the task at hand.

540 PTO Shaft Vs. 1000 PTO Shaft

No.	Comparison Aspect	540 PTO Shaft	1000 PTO Shaft
1	Rotational Speed	540 RPM	1,000 RPM
2	Spline Count	6 splines	21 splines
3	Shaft Diameter	1-3/8 inches	1-3/4 inches
4	Power Output	Lower power output	Higher power output
5	Torque Characteristics	Higher torque at lower speed	Lower torque, compensated by higher speed
6	Suitable Tractor Size	Small to medium tractors (under ~100 HP)	Large, high-horsepower tractors (100+ HP)
7	Compatible Implements	Mowers, balers, augers, tillers, hay rakes	Large rotary cutters, big sprayers, high-capacity balers, large combines
8	Common Use Cases	Medium-duty agricultural tasks	Heavy-duty, power-intensive operations
9	Fuel Consumption	Lower fuel consumption	Higher fuel consumption
10	Maintenance Costs	Generally lower	Generally higher
11	Equipment Wear & Tear	Less wear at lower speeds	More wear due to higher rotational stress
13	Market Availability of Implements	Wider selection; more implements available	Narrower selection; fewer compatible implements
14	다재	More versatile; compatible with a broader range of implements	Less versatile; best suited for specific high-power applications
15	Safety Risk at Wrong Speed	Lower risk of runaway speeds if operated near design range	Higher risk of injury and damage if speed is mismatched
16	Operator Skill Requirement	Easier to manage for general-purpose use	Requires more attention to speed matching and safety protocols
17	Cost of Equipment	Lower cost; widely available used equipment	Higher cost; typically newer, specialized machinery

What Is a PTO Shaft Slip Clutch?

The PTO shaft slip clutch uses a basic spring and disc setup. When it is overcome with too much torque, the transfer of drive from the tractor to the machine is then limited. As the name suggests, this starts slipping or free-wheeling so the two ends of the shaft can spin independently at different speeds. The clutch is two plates compressed by the casing springs to transfer power to the machinery. Any obstruction causes the clutch to slip, stopping the shock load from damaging the tractor or being contained in the attachment and causing further damage. PTO shaft slip clutches are most commonly used on rotary tilling attachments (rotovators or stone buriers), heavy working brush cutters, and rotary mowers. They can also be used on hay tedders, balers, post hole diggers, etc.

What Is a PTO Shaft Shear Bolt?

A PTO shaft shear bolt, also referred to as a shear pin, serves as a critical safety component in agricultural and industrial equipment powered by power take-off systems. It is commonly selected for implements operating in open, unobstructed environments, such as rotary cutters or tillers on level terrain, where sudden jams are infrequent. Compared to a more expensive PTO slip clutch, the shear bolt offers an economical alternative while delivering reliable overload protection. Engineered to fracture at a precise torque threshold, the bolt snaps cleanly when excessive resistance occurs—for instance, upon striking a hidden rock or dense root during mowing. This action immediately disconnects drive to the implement, allowing the PTO to rotate freely and preventing costly damage to the driveline, gearbox, or tractor. Once sheared, operators must halt the machine, remove the blockage, and install a replacement bolt of the correct grade and size before resuming work.

Slip Clutch PTO Shaft Vs. Shear Bolt PTO Shaft

No.	유형	Slip Clutch PTO Shaft	Shear Bolt PTO Shaft
1	Protection Mechanism	Uses spring-and-disc plates that slip/free-wheel when torque exceeds a limit	A bolt/pin physically shears/breaks under a designated torque load
2	How It Works	The two shaft ends spin independently at different speeds when overloaded	When the bolt shears, the PTO spins freely and stops powering the implement
3	Recovery After Overload	Automatically re-engages once the obstruction is cleared; no parts replacement needed	Must stop the tractor, clear the obstruction, and manually replace the sheared bolt
4	Downtime	Minimal — work can resume almost immediately after obstruction is cleared	Requires full work stoppage each time a bolt shears
5	비용	Higher upfront cost due to more complex mechanism	Lower upfront cost; simpler and cheaper to manufacture
6	Ongoing Running Cost	Low — no consumable parts under normal use	Recurring cost of replacement shear bolts; must keep a supply on hand
7	Ease of Use	More user-friendly; no manual intervention needed during operation	Requires the operator to dismount the tractor and change bolts each time
8	Best Environment	Ideal for rough, obstacle-heavy terrain (unkept land, rocky/littered soil)	Better suited for areas where obstructions are unlikely or infrequent
9	Typical Applications	Rotovators, stone buriers, heavy brush cutters, rotary mowers, hay tedders, balers, post hole borers	Topper mowers and machinery with low obstruction risk
10	Frequency of Obstruction Handling	Handles multiple obstruction events per session without stopping	Each obstruction event requires a full work halt and bolt replacement
11	Maintenance Requirements	Requires periodic spring tension checks; clutch plates may rust/seize if not occasionally loosened	Low mechanical maintenance; bolt replacement is the primary service task
12	Risk of Neglect	Plates can rust and seize if springs are left too tight, rendering the clutch ineffective	Negligible mechanical degradation risk, but running out of spare bolts is a practical hazard