Factory Price RA PTO Overrunning Clutch Torque Limiter Overrun Clutch PTO

Introducing the RA PTO Overrunning Clutch Torque Limiter, a high-quality product with a new condition and a one-year warranty. This clutch is highly applicable in several industries, including manufacturing plants, machinery repair shops, farms, retail, construction works, food & beverage shops, among others. The product features a unique design and comes in a customizable color, promising high-quality performance. Primarily used in agricultural machinery, this clutch is made of durable steel and comes in a wooden case package. With a minimum order quantity of 100pcs, the product is delivered within 15-25 days of order confirmation.

RA PTO Overrunning Clutch Specifications

Model Number
RA Overunning Clutch 4RA2
Function
Drive Shaft Parts & Power Transmission
Use
Kinds of Tractors & Farm Implements
Brand Name
EP
Yoke Type
Double push pin,Bolt pins,Split pins,Push pin,Quick release,Ball attachment,Collar.....
Processing Of Yoke
Forging
Plastic Cover
YW;BW;YS;BS;Etc
Color
Green;Orange;Yellow;Black Ect.
Series
T1-T10; L1-L6;S6-S10;10HP-150HP with SA,RA,SB,SFF,WA,CV Etc
Tube Type
Lemon,Trianglar,Star,Square,Hexangular,Spline,Special Ect
Processing Of Tube
Cold drawn
Spline Type
1 1/8" Z6;1 3/8" Z6; 1 3/8" Z21 ;1 3/4" Z20; 1 3/4" Z6; 8-38*32*6 8-42*36*7; 8-48*42*8;
Place of Origin
Haining, China (Mainland)

Advantages of the RA PTO Overrunning Clutch

An RA overrunning clutch offers several advantages, especially when used with tractor PTO shafts. Here are some key benefits:

  • Prevents Driveline Damage: The clutch disengages the PTO shaft when the implement's rotational speed exceeds that of the tractor's PTO, preventing potential driveline damage.
  • Safety Enhancement: It allows the implement to overrun freely, enhancing operational safety, especially when the tractor is slowing down or stopped.
  • Smooth Operation: Ensures smoother operation of both the tractor and the implement, reducing shock loads on the PTO shaft and the transmission.
  • Increased Efficiency: Allows for more efficient power transmission, with the tractor's power used solely for driving the implement.
  • Versatility: Suitable for a wide range of agricultural implements, making it a valuable component in various farming operations.

RA Overrunning Clutch

Applications of the RA PTO Overrunning Clutch

The PTO overrunning clutch is particularly beneficial in various agricultural and mechanical applications. Here are some key applications:

  1. Mowing and Cutting Equipment: Allows the cutting blades to continue spinning freely when the tractor is slowing down or stopped.
  2. Hay Balers: Facilitates continuous operation of the baling mechanism, even when the tractor's PTO is not engaged.
  3. Rotary Tillers: Allows the tines to rotate independently at their own speed, improving soil cultivation efficiency.
  4. Harvesting Equipment: Enables continuous operation of the harvesting mechanism, ensuring consistent and efficient crop collection.
  5. Seeders and Planters: Ensures that the seeding mechanism can continue operating independently, providing uniform seed distribution.

RA Overrunning Clutch Applications

Agricultural PTO Shaft Torque Limiter Types

In agricultural machinery, PTO shaft torque limiters are crucial for protecting equipment from damage due to torque overload. Here are the common types:

  1. Shear Bolt Torque Limiter: Utilizes a shear bolt that breaks under excessive torque, disconnecting the drive between the tractor and implement.
  2. Friction Clutch Torque Limiter: Slips when the torque exceeds a preset level, allowing it to absorb the excess force without breaking.
  3. Ratchet Torque Limiter: Features a ratcheting mechanism that allows rotation in one direction and locks or slips in the opposite direction when overloaded.
  4. Overrunning Clutch Torque Limiter: Allows free rotation in one direction and engages the clutch in the other. It can also incorporate a torque-limiting feature to disconnect under overload.

PTO Shaft Torque Limiter Types

How Does the Overrunning Clutch for Tractor PTO Shaft Work?

The overrunning clutch for a tractor's PTO shaft is designed to allow the shaft to rotate freely in one direction while locking in the opposite direction. Here's how it works:

    1. Free Rotation in One Direction: The overrunning clutch allows the PTO shaft to rotate freely in one direction.
    2. Locking in the Opposite Direction: In the opposite direction, the clutch engages, locking the PTO shaft and the implement together.
    3. Ramp and Roller Design: Involves ramps and rollers. When the PTO shaft tries to drive the implement at a lower speed than the implement's current speed, the rollers roll up the ramps and disengage.
    4. Engagement During Normal Operation: When the tractor's PTO shaft is driving the implement at a higher speed, the rollers are forced against the ramps, creating a lock that transmits the power from the tractor to the implement.
    5. Automatic Disengagement: This disengagement process happens automatically. When the tractor slows down, stops, or the implement's inertia causes it to rotate faster than the PTO shaft, the clutch disengages.

RA Overrunning Clutch Working Principle

How to Install the Overrunning Clutch to PTO Shaft?

Installing an overrunning clutch to a tractor's PTO shaft requires attention to detail and adherence to safety protocols. Here's a guide:

  1. Clean the PTO Shaft: Clean any dirt, debris, or grease from the PTO shaft to ensure a clean connection point for the overrunning clutch.
  2. Align the Clutch: Slide the overrunning clutch onto the PTO shaft, ensuring it aligns correctly.
  3. Secure the Clutch: Once aligned, secure the clutch onto the shaft. This may involve tightening a set screw or bolt, depending on the clutch design.
  4. Lubrication: Apply a suitable grease to the PTO shaft and the internal parts of the clutch as per the manufacturer??s recommendations.
  5. Attach Implement: After the clutch is secured, attach the implement to the other end of the overrunning clutch.
  6. Safety Check: Perform a visual inspection to ensure everything is secured correctly.
  7. Test Run: Start the tractor and engage the PTO at a low speed initially to ensure the clutch is functioning correctly.

Maintenance of the Overrunning Clutch

To ensure the proper functioning and longevity of the overrunning clutch, regular maintenance is necessary. Here are some maintenance tips:

  • Clean and inspect regularly: Remove any dirt, debris, or buildup from the clutch assembly. Inspect the components for wear, damage, or signs of excessive wear.
  • Lubrication: Apply a suitable lubricant to the clutch components as recommended by the manufacturer.

RA Overrunning Clutch

  • Regular testing: Test the overrunning clutch periodically to ensure proper operation. Engage and disengage the PTO shaft while observing the clutch's behavior.
  • Replace worn or damaged parts: If you notice any significant wear or damage during inspection or testing, replace the affected parts promptly.

Why Choose HZPT's Overrunning Clutch for PTO Shaft?

HZPT Drive Shaft Co., Ltd., located in Hangzhou Zhejiang City, specializes in developing, manufacturing, and marketing PTO shafts, agricultural gearboxes, PTO shaft accessories, PTO shaft u-joints, torque limiters, PTO shaft tubes, PTO shaft yokes, PTO shaft adaptors, industrial cardan shafts, car driveshafts, u-joint coupling shafts, and more. Our products have gained a great reputation from customers worldwide, and we are the top professional OEM supplier for many agricultural implement factories in the domestic market. We adhere to our principles: Quality first, Deliver quickly, and Price Competitive. We have obtained the CE, TS/16949, and ISO9001 certificates and have systematic manufacturing equipment and a QC team to guarantee our quality and delivery. We warmly welcome every friend to visit us and establish a mutually beneficial long-term relationship cooperation.

PTO Shaft Accessories

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