Features
Hydraulic PowerShift (hot-shift) operation for automatic transmissions with a 10-bolt aperture
Ductile iron bearing cap, 117% stronger than gray iron, for improved durability
O-ring sealing configuration between housing and bearing cap reduces vibration effects and improves clamp load
80% thicker steel clutch-pack discs to resist premature tooth wear
Nine speed ratios including low and high speeds
Wet Spline Lubrication option extends shaft life 7 to 10 times versus dry spline
SmartStart feature reduces shock load at start-up
Electronic Overspeed Control (EOC) protects driven equipment
Rotatable cast-iron flanges reduce interference clearance issues
Positive Stop for driveline outputs eliminates oil seal damage from coupling
Hose included, no need to order separately
Tech Specs
- Mounting Type: 10-Bolt aperture
- Shift Type: PowerShift (Hydraulic hot-shift)
- Compatible Transmissions: Allison and Caterpillar automatic transmissions
- Continuous Operation: Yes
- Series Continuous Torque Rating: 390 lb-ft (529 Nm) - verify actual rating on application pages
- Series Intermittent Torque: 301 to 400 lb-ft (501+ Nm)
- Series Output Power: 56+ HP (51+ kW)
- Series Shaft Power: 37 HP at 500 RPM, 74 HP at 1000 RPM
- Speed Ratios: Nine (includes low and high)
- Lubrication: Pressure Lube or Wet Spline options
- Part Number: 281GGFJP-B8BV or 281GGFJPB8BV
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
