This complete PTO shaft assembly (A-BP412100101-A) is a heavy-duty Size 4 / Series 100 driveline built for Category 4 applications up to 55 HP. With 1-3/8" 6-spline connections on both the tractor and implement ends and a wide working length range, it’s a solid replacement option for PTO-driven implements where correct fitment and reliable power transfer are critical (note: it may need to be cut to length for your setup).
Country of Origin
Varies by production batch
Key Features / Specifications
- Part number: A-BP412100101-A
- Product type: Complete PTO shaft assembly (driveline)
- Series: 100
- Size: 4
- Driveline category / rating: Category 4 (55 HP)
- Tractor end: 1-3/8" x 6-spline
- Implement end: 1-3/8" x 6-spline
- Lengths:
- C-to-C minimum: 48" (1210 mm)
- C-to-C maximum: 75" (1910 mm)
- Total collapsed length: 56" (1420 mm)
- Fit/installation note: May require cut-to-length adjustment—verify adequate tube overlap through full range of motion and avoid bottoming out
- Replacement note: Genuine alternative to original part
Ideal For
- PTO-driven implements needing a Size 4 / Series 100 driveline rated up to 55 HP
- Replacing a worn driveline with matching 1-3/8" 6-spline tractor/implement connections
- Setups requiring a long working range (48"–75" center-to-center)
- Operators who want an adjustable driveline and plan to cut-to-fit for proper overlap and safe operation
