Features
Hydraulic hot-shift (PowerShift) operation for use on automatic transmissions with a 10-bolt aperture
Ductile iron bearing cap rated 117% stronger than the gray iron cap used in the predecessor 280 Series
O-ring sealing configuration between housing and bearing cap to improve clamp load and reduce vibrational effects
Enhanced clutch pack with steel discs 80% thicker than the prior series to resist premature tooth wear
Nine speed ratios including both low and high speeds
Wet Spline Lubrication option provides 7 to 10 times greater shaft life; hose included with assembly
SmartStart reduces shock load at start-up; Electronic Overspeed Control (EOC) protects driven equipment
Rotatable cast-iron flanges reduce interference and improve pump clearance
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: Hydraulic (PowerShift / Hot Shift)
- Compatible Transmission Manufacturers: Allison, Caterpillar
- Speed Ratios: Nine (including low and high speeds)
- Continuous Operation: Yes
- Output Types: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Lubrication Options: Pressure Lube, Wet Spline
- Series: Chelsea 281 Series (evolution of 280 Series)
- Part Number: 281GGFJR-B5RY or 281GGFJRB5RY
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
