Features
Ductile iron bearing cap rated 117% stronger than gray iron for increased durability
O-ring sealing configuration between housing and bearing cap improves clamp load and reduces vibrational effects
Enhanced clutch pack with 80% thicker steel discs to resist premature tooth wear
Nine speed ratios available, including low and high-speed ranges
Rotatable cast-iron pump flanges reduce interference and improve pump clearance
Wet Spline Lubrication option provides 7 to 10 times greater shaft life
SmartStart feature reduces shock load at start-up for compatible applications
Electronic Overspeed Control (EOC) protects driven equipment
Positive stop for driveline outputs eliminates oil seal damage from coupling
Tech Specs
- Mounting Type: 10-Bolt
- Shift Type: PowerShift (Hydraulic) - Hot Shift
- Transmission Compatibility: Allison and Caterpillar automatic transmissions
- Continuous Torque (Series Rating): 390 lb-ft (529 Nm) - check application pages for actual torque rating
- Intermittent Torque Range: 301 to 400 lb-ft (501+ Nm)
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 37 HP at 500 RPM / 74 HP at 1,000 RPM
- Available Output Types: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Lubrication: Pressure Lube (P) or Wet Spline (W)
- Speed Ratios: Nine, including low and high range
- Part Number: 281GCFJP-B3RK or 281GCFJPB3RK
Additional Information
The Chelsea 281 Series PTO is designed for fire and rescue, truck crane, pumper cleaner, and refuse applications. The hose is included with the assembly - no need to order separately. Relevant Parker Chelsea reference documents include the 281/288 Series Parts List (HY25-2281-M1/US) and the 267/281/288/871/878 Series Owner's Manual.
Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
