Features
Ductile Iron Bearing Cap - 117% stronger than gray iron for increased durability
O-ring sealing configuration between housing and bearing cap reduces vibrational effects and improves clamp load
Enhanced Clutch Pack - steel discs 80% thicker than the previous generation to resist premature tooth wear
Nine speed ratios including low and high speeds
Wet Spline Lubrication option provides 7 to 10 times greater shaft life
Electronic Overspeed Control (EOC) and SmartStart protect driven equipment and reduce shock load at engagement
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic) - Hot Shift
- Compatible Transmission: Allison automatic transmissions
- Speed Ratios: Nine, including low and high speeds
- Continuous Operation: Yes
- Wet Spline Lubrication Option: Available - extends shaft life 7 to 10 times vs. standard
- Electronic Overspeed Control (EOC): Included
- SmartStart: Included (select applications)
- NMFC Code: 125820 - Hydraulic PTOs, Pumps, Motors, etc.
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
