The Chelsea 880XDAHX-A5XS is an 880 Series 8-bolt Power Take-Off designed for heavy-duty applications including bulk haulers, fire trucks, oil field equipment, aerial units, and large truck recovery. The 880 Series mounts to manual transmissions with an 8-bolt aperture and is rated for up to 500 lb-ft intermittent torque. It features constant mesh input gears for high- and low-speed operation, a rugged cast iron housing, and tapered cone bearings for dependable load handling. Shift is accomplished via standard lever control, with an optional air control shift available. The removable shift cover simplifies backlash adjustment during installation. Available output configurations include SAE B, SAE C, and ISO 7652 pump flanges, as well as driveline output. Pro Gear and Transmission carries genuine Chelsea PTO units for demanding vocational applications.
Features
8-bolt mounting fits most manual transmissions with 8-bolt aperture
Up to 500 lb-ft intermittent torque rating (678 Nm)
Lever control shift standard; optional air control shift available
Constant mesh input gears support high- and low-speed, high-torque operation
Rugged cast iron housing with tapered cone bearings
Removable shift cover for simplified backlash adjustment
Output options include SAE B, SAE C, ISO 7652 pump flanges, and driveline
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Lever (standard); Mechanical or Air Control (optional)
- Intermittent Torque Rating: 500 lb-ft (678 Nm)
- Output Types: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Options: SAE B (7/8" - 13T), SAE BB (1" - 15T), SAE C (1-1/4" - 14T), DIN 5462, 1410 Series Companion Flange
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 48 HP at 500 RPM; 95 HP at 1000 RPM
- Continuous Operation: Yes, with 30% de-rating
- Lubricant: Pressure Lube or Non-Pressure Lube configurations available
- Compatible Transmissions: Allison, Eaton/Fuller (including Eaton Endurant), Volvo/Mack, Daimler/Detroit, and others
Additional Information
The Chelsea 880 Series is documented in the 880 Series Owner's Manual, 880 Series Parts List (HY25-2880-M1_US), and the Chelsea Service Manual (HY25-6880-M1/US). A Detroit DT12 Adapter Owner's Manual is also available for 880 Series installations on Detroit DT12 transmissions. These documents cover installation, backlash adjustment, and parts identification for the full 880 Series family.Parts Manual: Chelsea 880 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
