The Chelsea 880 Series Power Take-Off Assembly, part number 880XDAHX-M4XS or 880XDAHXM4XS, is an 8-bolt, lever mechanical shift PTO engineered for heavy-duty applications including bulk haulers, fire trucks, oil field equipment, aerial units, and large recovery trucks. The output shaft is a 1-1/2"-10T spline fitted with a 1410 companion flange. Intermittent torque rating reaches 500 lb-ft (678 Nm); check application pages for your specific torque requirement. Shaft power is rated at 48 HP (500 RPM) and 95 HP (1,000 RPM). The cast iron housing, removable shift cover for backlash adjustment, and dual-pump output capability make this unit well-suited for high-torque, constant-mesh applications. Compatible with Volvo/Mack, Allison, Eaton/Fuller, and other transmission families with an 8-bolt aperture. Call us to confirm proper fit for your application.
The Chelsea 880 Series supports continuous operation with a 30% de-rating. The series is suited for oil and gas, aerial, mining, on-highway, and other mobile markets. Typical applications include bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery. The 880 Series is also available for the Eaton Endurant transmission. Lubrication type is encoded in the part number: X in position 7 indicates no pressure lube. Cross-reference: SP880XDAHX-M4XS.
Features
8-Bolt mounting, compatible with Volvo/Mack, Allison, Eaton/Fuller, and other transmissions with 8-bolt aperture
Lever mechanical shift with optional air control shift availability
1-1/2"-10T spline output shaft with 1410 companion flange
Intermittent torque rating: 500 lb-ft (678 Nm) - check application pages for actual torque ratings
Shaft power: 48 HP at 500 RPM, 95 HP at 1,000 RPM
Dual-pump output allows mounting a hydraulic pump on each end of the PTO
Cast iron housing with removable shift cover for simplified backlash adjustment
Tech Specs
- INTERMITTENT TORQUE: 500 lb-ft (678 Nm) - Check Application Pages for Actual Torque Ratings
- SHIFT TYPE: Lever Mechanical
- MOUNTING TYPE: 8-Bolt
- OUTPUT SHAFT TYPE: 1-1/2" - 10T Spline with 1410 Companion Flange
- OUTPUT POWER: 56+ HP (51+ kW)
- SHAFT POWER: 48 HP at 500 RPM, 95 HP at 1,000 RPM (36 kW at 500 RPM, 71 kW at 1,000 RPM)
- TRANSMISSION COMPATIBILITY: Volvo/Mack, Allison, Eaton/Fuller, Other
Additional Information
The Chelsea 880 Series supports continuous operation with a 30% de-rating. The series is suited for oil and gas, aerial, mining, on-highway, and other mobile markets. Typical applications include bulk haulers, winch systems, fire trucks, oil field equipment, aerial platforms, and large truck recovery. The 880 Series is also available for the Eaton Endurant transmission. Lubrication type is encoded in the part number: X in position 7 indicates no pressure lube. Cross-reference: SP880XDAHX-M4XS.
Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
