Features
Ductile iron bearing cap rated 117% stronger than gray iron for improved durability
O-ring sealing configuration between housing and bearing cap reduces vibrational effects and improves clamp load
80% thicker steel discs in the clutch pack 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) protects driven equipment from overspeed damage
SmartStart feature reduces shock load at start-up for compatible applications
Rotatable cast iron flanges reduce interference and improve pump clearance
Positive stop on driveline outputs eliminates oil seal damage from coupling
Tech Specs
- Mounting Type: 10-bolt aperture
- Shift Type: PowerShift (Hydraulic hot-shift)
- Compatible Transmissions: Allison automatic transmissions
- Continuous Operation: Yes
- Output Types: SAE B pump flange, SAE C pump flange, ISO 7652 pump flange, Driveline
- Speed Ratios: Nine ratios (includes low and high speeds)
- Lubrication: Pressure lube or wet spline options
- Series: Chelsea 281 Series (evolution of 280 Series)
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
