871XDFJP-B5AC Chelsea PTO Assembly

The Chelsea 871 Series Power Take-Off Assembly, part number 871XDFJP-B5AC or 871XDFJPB5AC, is a 10-bolt, hydraulic PowerShift PTO designed for Allison transmissions. This series carries a continuous torque rating up to 670 lb-ft (908 N-m) with no derating required for continuous duty applications. Nine speed ratios and thirteen output options cover a wide range of working configurations, from fire and rescue equipment to refuse trucks, pumper cleaners, and truck cranes. The ductile iron bearing cap is 117% stronger than gray iron, and an O-ring sealing configuration between the housing and bearing cap improves clamp load while reducing vibrational effects. The 871 Series is the only Chelsea PTO to offer all three of Chelsea's specialized options: Wet Spline, SmartStart, and Quiet Gear. Call us to confirm proper fit for your application.

Features

10-bolt PowerShift (hydraulic) mounting for Allison transmissions
Continuous torque rating up to 670 lb-ft (908 N-m) - no derating required for continuous duty
Ductile iron bearing cap, 117% stronger than gray iron
O-ring sealing configuration between housing and bearing cap reduces vibrational effects and improves clamp load
Nine speed ratios and thirteen output options for broad application flexibility
Supports Wet Spline, SmartStart, and Quiet Gear options - the only Chelsea PTO to offer all three
Electronic Overspeed Control (EOC) available to protect driven equipment
Compact housing height reduces installation clearance concerns

Tech Specs

• Mounting Type: 10-Bolt
• Shift Type: PowerShift (Hydraulic)
• Transmission Manufacturer: Allison
• Continuous Torque: 670 lb-ft (908 N-m) - check application pages for actual torque ratings
• Shaft Power: 64 HP at 500 RPM, 128 HP at 1000 RPM
• Speed Ratios: Nine
• Output Options: Thirteen
• Lubricant: Pressure Lube and Wet Spline
• Output Shaft Types Available: SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE C (1-1/4 in. - 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Series Companion Flange, DIN 120 Flange, DIN 100 Flange
• Output Flange Types Available: SAE B Pump Flange, SAE C Pump Flange
• Continuous Operation: Yes

Additional Information

Parts Manual: Chelsea 871 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.