The Chelsea 660XFAHX-A3XK is a 660 Series Power Take-Off built for medium to heavy duty vocational applications. The 660 Series mounts to most popular 6-bolt manual transmissions and features a cast iron housing with tapered cone bearings on the output shaft for a high intermittent torque capacity of up to 375 lb-ft. Tapered bearings on the input shaft provide greater load-bearing capability compared to needle-bearing designs. The space-saving air shift cover maximizes clearance under the truck. Shift type is wire/cable or mechanical. The 660 Series supports continuous operation with a 30% de-rating and is compatible with Eaton/Fuller, Volvo/Mack, and other transmission manufacturers. Part number 660XFAHX-A3XK or SP660XFAHX-A3XK is sold by Pro Gear and Transmission.
Features
6-bolt mounting pattern fits most popular manual transmissions
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque capacity up to 375 lb-ft (508 Nm)
Tapered input shaft bearings for superior load-bearing versus needle-bearing designs
Wire/cable or mechanical shift type
Supports continuous operation with 30% de-rating
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Intermittent Torque: Up to 375 lb-ft (508 Nm)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Continuous Operation: Yes, with 30% de-rating
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, Other
- Housing Material: Cast Iron
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
