Description
When you’re mowing pastures or cutting brush, the last thing you want is a worn-out driveline that’s got more play than a rusty gate. This Weasler Standard Series driveline delivers reliable power transfer from your tractor to your rotary cutter, built with the proven Bondioli-Pavesi Series 4 design that’s been keeping implements running for decades. At 42 inches compressed length, it’s sized right for most mid-size tractors running finishing mowers and rotary cutters.
What You’re Getting
- Trilobe tube construction that’s stronger than round tubing and handles torque better
- Safety slide lock tractor yoke that stays put but releases when you need it to
- 1-3/8″ round implement yoke that fits most standard rotary cutter inputs
- Series 4 metric U-joints sized for 40-80 HP applications without being overbuilt
- Complete assembly ready to install—no mixing and matching parts
Built for Real Farm Work
This driveline is designed for tractors in the 40-80 horsepower range running rotary cutters, finishing mowers, and similar implements. Whether you’re maintaining pastures, cutting roadside ditches, or cleaning up fence rows, this shaft handles the constant speed and moderate torque these jobs demand.
Made to Last
Weasler doesn’t cut corners on PTO components because they know what happens when driveline parts fail. These pawls and springs are built to handle repeated engagement cycles, temperature swings, and the constant stress of transferring power through changing angles. The materials resist wear and fatigue so your clutch keeps protecting your equipment season after season.
Good to Know
Installation is straightforward—the safety slide lock makes connecting to your tractor’s PTO quick and secure, while the implement end slides right onto your mower’s input shaft. Make sure to grease all fittings before first use and check that the driveline has proper clearance through its full range of motion. Keep the protective shields in place—they’re there for a reason.


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