Features
Ductile Iron Bearing Cap - 117% stronger than gray iron for increased durability
Improved Seal - O-ring sealing configuration between housing and bearing cap reduces vibrational effects and improves clamp load
Enhanced Clutch Pack - steel discs increased 80% in thickness to resist premature tooth wear
10-Bolt Mounting - fits automatic transmissions with 10-bolt aperture, commonly Allison and Caterpillar
Nine Speed Ratios - includes both low and high speed ranges
Wet Spline Lubrication Option - provides 7 to 10 times greater output shaft life
SmartStart - reduces shock load at start-up for select applications
Electronic Overspeed Control (EOC) - protects driven equipment from overspeed damage
Positive Stop for driveline outputs - eliminates oil seal damage from coupling
Tech Specs
- Shift Type: Hydraulic PowerShift (Hot Shift)
- Mounting: 10-Bolt aperture
- Compatible Transmissions: Allison automatic (see application pages for confirmation)
- Speed Ratios: Nine, including low and high speeds
- Bearing Cap Material: Ductile iron
- Seal Configuration: O-ring between housing and bearing cap
- Wet Spline Lubrication: Optional - provides 7 to 10 times greater shaft life
- SmartStart: Included for shock load reduction on select applications
- Electronic Overspeed Control (EOC): Included
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
