The Chelsea 281GPFJP-D8XV is a 281 Series hydraulic PowerShift Power Take-Off built for 10-bolt aperture automatic transmissions, including Allison applications. It belongs to Chelsea's evolution of the 280 Series platform, featuring a ductile iron bearing cap rated 117% stronger than the gray iron predecessor, an o-ring sealing configuration between the housing and bearing cap for improved clamp load, and an 80% thicker steel disc clutch pack to resist premature tooth wear. The 281 Series carries a continuous duty torque rating of 390 lb-ft and supports continuous operation. Typical markets include refuse, fire and rescue, truck cranes, and pumper cleaner equipment. Available from Pro Gear and Transmission.
Features
Chelsea 281 Series, 10-bolt mounting for Allison and Caterpillar automatic transmissions
Hydraulic PowerShift (hot shift) operation for engagement under load
Ductile iron bearing cap, 117% stronger than gray iron predecessor
O-ring sealing configuration between housing and bearing cap improves clamp load
80% thicker steel discs in the clutch pack resist premature tooth wear
Rated for continuous operation at 390 lb-ft continuous torque
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic)
- Transmission Compatibility: Allison automatic transmissions (10-bolt aperture)
- Continuous Torque: 390 lb-ft (529 Nm)
- Continuous Operation: Yes
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 37 HP at 500 RPM / 74 HP at 1000 RPM
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
