Features
Hydraulic PowerShift (hot-shift) operation for 10-bolt automatic transmission apertures including Allison and Caterpillar
Ductile iron bearing cap - 117% stronger than gray iron for greater durability under vibration from modern engine designs
O-ring sealing configuration between housing and bearing cap improves clamp load and resists vibrational effects
Enhanced clutch pack with 80% thicker steel discs to reduce premature tooth wear
Nine speed ratios available, spanning low and high speed ranges
Wet Spline Lubrication option provides 7 to 10 times greater shaft life; SmartStart reduces shock load at engagement; Electronic Overspeed Control (EOC) protects driven equipment
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: Hydraulic PowerShift (Hot Shift)
- Compatible Transmission Manufacturers: Allison, Caterpillar
- Continuous Operation: Yes
- Series Continuous Torque Rating: 390 lb-ft (529 Nm) - verify actual rating against application data
- Output Types Available: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Speed Ratios: Nine, including low and high speeds
- Lubrication Options: Pressure Lube (P), Wet Spline (W)
- Part Number: 281GGFJP-S5XD or 281GGFJPS5XD
Additional Information
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
