Features
Chelsea 281 Series hydraulic hot-shift PTO, 10-bolt mounting for Allison automatic transmissions
Ductile iron bearing cap, 117% stronger than gray iron predecessor
Enhanced clutch pack with 80% thicker steel discs to resist premature tooth wear
O-ring sealing configuration between housing and bearing cap improves clamp load and reduces vibrational effects
Nine speed ratios including low and high ranges
Electronic Overspeed Control (EOC) protects driven equipment from overspeed damage
Wet spline lubrication option provides 7 to 10 times greater output shaft life
SmartStart feature reduces shock load at start-up on compatible applications
Rotatable cast-iron flanges reduce pump clearance interference issues
Positive stop for driveline outputs eliminates oil seal damage from coupling
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic Hot-Shift)
- Compatible Transmission Manufacturer: Allison
- Speed Ratios: Nine (includes low and high)
- Continuous Operation: Yes
- Bearing Cap Material: Ductile Iron
- Seal Type: O-ring sealing configuration (housing to bearing cap)
- Wet Spline Lubrication Option: Yes
- Electronic Overspeed Control (EOC): Yes
- SmartStart Feature: Yes
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
