The Chelsea 880XRAHX-M3XV or 880XRAHXM3XV is an 880 Series Power Take-Off Assembly built for heavy-duty, high-torque applications on 8-bolt manual transmissions. It fits a wide range of transmission manufacturers including Volvo/Mack, Allison, and Eaton/Fuller. The output shaft is a 1-1/2"-10T spline with a 1410 companion flange, and the unit is rated up to 500 lb-ft intermittent torque with continuous operation available at a 30% de-rating. Lever mechanical shift is standard. Shaft power is rated at 48 HP at 500 RPM and 95 HP at 1000 RPM. Typical applications include bulk haulers, fire trucks, oil field equipment, large recovery trucks, and aerial units. A genuine Chelsea part available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
The Chelsea 880 Series is designed for high and low speed, high-torque applications using constant mesh input gears. Tapered cone bearings provide strong load-bearing capability. The removable shift cover makes backlash adjustment easier and more precise. The 880 Series is commonly specified for bulk haulers, fire trucks, winch applications, oil field equipment, aerial platforms, and large truck recovery. It is available for a wide variety of transmissions, including the Eaton Endurant. Output flange options across the series include SAE B, SAE C, ISO 7652 pump flanges, and driveline configurations. Reference documents: 880 Series Parts List HY25-2880-M1_US; Chelsea Service Manual HY25-6880-M1/US.
Features
8-bolt mounting for compatibility with most manual transmissions including Volvo/Mack, Allison, and Eaton/Fuller
1-1/2"-10T spline output shaft with 1410 companion flange
Intermittent torque rating up to 500 lb-ft (check application pages for actual ratings)
Shaft power: 48 HP at 500 RPM, 95 HP at 1000 RPM
Lever mechanical shift as standard; removable shift cover simplifies backlash adjustment
Dual-pump output allows a hydraulic pump to be mounted on each end of the PTO
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Volvo/Mack, Allison, Eaton/Fuller, Other
- Shift Type: Lever Mechanical
- Output Shaft Type: 1-1/2" - 10T Spline with 1410 Companion Flange
- Intermittent Torque: 500 lb-ft / 678 Nm (check application pages for actual torque ratings)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP (500 RPM), 95 HP (1000 RPM) / 36 kW (500 RPM), 71 kW (1000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 880 Series is designed for high and low speed, high-torque applications using constant mesh input gears. Tapered cone bearings provide strong load-bearing capability. The removable shift cover makes backlash adjustment easier and more precise. The 880 Series is commonly specified for bulk haulers, fire trucks, winch applications, oil field equipment, aerial platforms, and large truck recovery. It is available for a wide variety of transmissions, including the Eaton Endurant. Output flange options across the series include SAE B, SAE C, ISO 7652 pump flanges, and driveline configurations. Reference documents: 880 Series Parts List HY25-2880-M1_US; Chelsea Service Manual HY25-6880-M1/US.
