The Chelsea 897XAFJW-M5XS or 897XAFJWM5XS is a constant-engagement (constant mesh) power take-off assembly built for Allison 3000 and 4000 Series transmissions. It mounts via a 10-bolt pattern and positions the SAE C flange output at the rear of the transmission, moving the pump interface rearward to improve clearance between the pump and the frame rail. A one-piece main shaft eliminates the inter-unit input splines found on PTO-plus-extension configurations. The wet-spline output lubricates the shaft interface under load, extending PTO and pump shaft service life. Continuous torque is rated at 670 lb-ft (908 Nm); intermittent torque exceeds 501 lb-ft. Shaft power output reaches 64 HP at 500 RPM and 128 HP at 1,000 RPM. A genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Designed for Allison 3000 and 4000 Series transmissions, 10-bolt mounting
SAE C outlet flange with SAE C (XS) extended output shaft for improved pump clearance
Constant-engagement (constant mesh) shift type, code M
Wet-spline output (code W) lubricates shaft interface to extend pump and PTO spline life
Continuous torque rating: 670 lb-ft (908 Nm); intermittent torque: 501+ lb-ft
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Tech Specs
- Transmission Manufacturer: Allison 3000/4000 Series
- Mounting Type: 10-Bolt
- Shift Type: Constant Engagement (Constant Mesh)
- Input Gear Designator: FJ - Allison World Transmissions
- Outlet Flange Type: SAE C
- Output Shaft Type: SAE C Extended (XS)
- Lubricant/Output Interface: Wet Spline (W)
- Continuous Torque: 670 lb-ft, 908 Nm (verify actual rating on application pages)
- Intermittent Torque: 501+ lb-ft, 501+ Nm
- Output Power: 56+ HP, 51+ kW
- Shaft Power at 500 RPM: 64 HP, 48 kW
- Shaft Power at 1,000 RPM: 128 HP, 95 kW
Additional Information
