The Chelsea 890LFFJW-B5AF or 890LFFJWB5AF is a Series 890 Power Take-Off Assembly designed for Allison 3000 MD and 4000 HD series automatic transmissions. It mounts via a 10-bolt pattern and uses hydraulic PowerShift engagement. The output shaft is SAE C ("XS") configuration with an SAE C outlet flange, and the wet-spline lubricant option helps extend PTO and pump shaft service life. Continuous-duty torque rating is 670 lb-ft, with intermittent torque above 501 lb-ft. Output power reaches 56+ HP, and shaft power is rated at 64 HP at 500 RPM and 128 HP at 1,000 RPM. An extended shaft design improves pump clearance. Call us to confirm proper fit for your specific application.
Features
Fits Allison 3000 MD and 4000 HD series transmissions
10-bolt mounting with hydraulic PowerShift engagement
SAE C (XS) output shaft and SAE C outlet flange
Continuous-duty torque rating: 670 lb-ft; intermittent torque: 501+ lb-ft
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Wet-spline lubrication and extended shaft for improved pump clearance
Tech Specs
- Transmission Manufacturer: Allison
- Compatible Transmission Series: Allison 3000 MD and 4000 HD
- Product Series: 890
- Mounting Type: 10-Bolt
- Shift Type: Hydraulic PowerShift
- Output Shaft Type: SAE C (XS)
- Outlet Flange Type: SAE C
- Continuous Torque: 670 lb-ft (908 Nm) - check application pages for actual torque ratings
- Intermittent Torque: 501+ lb-ft (501+ Nm)
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 64 HP (48 kW) at 500 RPM; 128 HP (95 kW) at 1,000 RPM
- Lubricant: Wet Spline
Additional Information
