The Chelsea 890HAFJW-K5XK or 890HAFJWK5XK is a 890 Series power take-off assembly engineered for Allison 3000 MD and 4000 HD series transmissions. It mounts via a 10-bolt pattern and engages through Hydraulic PowerShift. The SAE C ("XS") output shaft features a wet-spline design to extend service life between the PTO and driven pump. Continuous-duty torque rating reaches 670 lb-ft, with intermittent torque capacity starting at 501 lb-ft. Shaft power output is 64 HP at 500 RPM and 128 HP at 1,000 RPM. An extended output shaft improves pump clearance for demanding vocational installations. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Fits Allison 3000 MD and 4000 HD series transmissions
10-bolt mounting pattern
Hydraulic PowerShift engagement
SAE C ("XS") wet-spline output shaft extends PTO and pump shaft life
Continuous-duty torque rating: 670 lb-ft
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
Extended output shaft improves pump clearance
Tech Specs
- Transmission Manufacturer: Allison
- Applications: Allison 3000 MD and 4000 HD Series
- Product Series: 890
- Mounting Type: 10-Bolt
- Shift Type: Hydraulic PowerShift
- Output Shaft Type: SAE C ("XS") Wet Spline
- Outlet Flange Type: SAE C
- 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
- Lubricant Type: Wet Spline
Additional Information
