The Chelsea 890RGFJW-B5XS or 890RGFJWB5XS is a hydraulic PowerShift power take-off built for Allison 3000 MD and 4000 HD Series transmissions. Part of the Chelsea 890 Series, it mounts via a 10-bolt pattern on the transmission side and positions the pump output to the rear of the transmission, improving clearance between the PTO and the frame rail. The output is SAE C with a Wet Spline interface, reducing wear on both the PTO and pump shaft in demanding cycles. Continuous torque rating for the 890 Series reaches 670 lb-ft, with shaft power of 64 HP at 500 RPM and 128 HP at 1,000 RPM. Common applications include aerial trucks, fire and rescue, pumper cleaners, truck cranes, and refuse trucks. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm fitment for your specific Allison transmission configuration.
Features
Fits Allison 3000 MD and 4000 HD Series transmissions via 10-bolt mount
Hydraulic PowerShift (hot shift) engagement
SAE C output shaft with Wet Spline technology to extend PTO and pump shaft life
Continuous torque rating up to 670 lb-ft; intermittent torque 501+ lb-ft
Shaft power: 64 HP at 500 RPM, 128 HP at 1,000 RPM
One-piece main shaft design positions pump flange to the rear of the transmission for improved clearance
Tech Specs
- Transmission Manufacturer: Allison
- Compatible Transmissions: Allison 3000 MD Series, Allison 4000 HD Series
- Product Series: 890
- Mounting Type: 10-Bolt
- Shift Type: Hydraulic PowerShift
- Output Shaft Type: SAE C - Wet Spline (XS)
- Outlet Flange Type: SAE C
- Continuous Torque Rating: 670 lb-ft (see application pages for actual torque ratings)
- Intermittent Torque: 501+ lb-ft
- 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
Parts manual and diagrams: Chelsea 890 Series PTO parts list with prices
