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Weasler AB4 Series PTO Driveline 42”

$178.74

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Weasler AB4 Series PTO Driveline is a high-quality, continuous-duty shaft engineered for efficient power transfer on mid-sized equipment like rotary cutters. This AB4 series shaft is highly reliable, featuring a 1-3/8 inch, 6-spline quick disconnect yoke for the tractor end, the universal standard for 540 RPM operation. With a 42 inch compressed overall length, it is sized for common implements such as five or six-foot cutters. The metric profile telescoping design and quality universal joints ensure smooth power delivery and minimal wear, rated for up to 36 HP at 540 RPM. It’s the trusted replacement shaft that gets your machine back to dependable performance.

Key Features of Weasler AB4 Series PTO Driveline

Tractor connection features a 1-3/8 inch, 6-spline Quick Disconnect (QD) for fast hookup
42 inches compressed overall length is a standard size for medium-duty rotary cutters
Rated for up to 36 HP at 540 RPM, suitable for intermittent to heavy-duty light equipment
Implement yoke is typically a round bore with a pinhole, often secured with a shear bolt
Tri-lobe profile telescoping shaft design allows for easy cut-to-length customization
Robust steel construction ensures the shaft withstands high torque and stress in the field
Standard guard system meets necessary safety regulations and protects the rotating shaft
Metric design components are interchangeable with other AB4/Bondioli Pavesi Series 4 parts

Additional Information

Brand: Weasler
Product Type: Complete PTO Driveline
Model:
Product Use: Transferring Power to Rotary Cutters and Implements
Size: 1-3/8 inch (tractor spline ID)
Material: Steel (Tri-Lobe Profile)
Height: 7.1 inch (guard outside diameter)
Length: 42 inch (compressed overall length)
Width: 7.1 inch (guard outside diameter)

When installing this driveline, it is essential to shorten the shaft to prevent it from bottoming out when the implement is in its shortest operating position, which can destroy the U-joints or your tractor’s PTO gearbox. Measure the distance between the two shafts (tractor and implement) at the shortest point, then cut the PTO shaft tubes 6 inches shorter than this measurement. Always verify that the implement end uses a shear pin, and only use the appropriate grade 2 shear bolt to ensure the shaft breaks before the implement’s gearbox is damaged.

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