The Chelsea 890MDFJW-B5XS or 890MDFJWB5XS is a 10-bolt Power Take-Off assembly from the Chelsea 890 series, engineered for Allison 3000 MD and 4000 HD series automatic transmissions. It shifts via hydraulic PowerShift and delivers continuous-duty torque rated at 670 lb-ft, with intermittent torque capability exceeding 501 lb-ft. The SAE C output shaft features an extended "XS" design that improves clearance between the PTO and the pump. Wet-spline lubrication helps extend service life at the PTO-to-pump interface. Shaft power output is 64 HP at 500 RPM and 128 HP at 1,000 RPM. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific vehicle and pump configuration.
Features
Fits Allison 3000 MD and 4000 HD series automatic transmissions
10-bolt mounting configuration
Hydraulic PowerShift engagement
SAE C extended (XS) output shaft improves pump clearance
Wet-spline lubrication extends PTO and pump shaft life
670 lb-ft continuous-duty torque rating; 128 HP at 1,000 RPM shaft output
Tech Specs
- Transmission Application: Allison 3000 MD and 4000 HD Series
- Product Series: 890
- Mounting Type: 10-Bolt
- Shift Type: Hydraulic PowerShift
- Output Shaft Type: SAE C Extended (XS)
- Outlet Flange Type: SAE C
- Lubricant: Wet Spline
- Continuous Torque: 670 lb-ft (check application pages for actual torque ratings)
- Intermittent Torque: 501+ lb-ft
- Output Power: 56+ HP
- Shaft Power: 64 HP at 500 RPM / 128 HP at 1,000 RPM
Additional Information
