The Chelsea 680 Series Power Take-Off, part number 680XFAHX-A3RB or 680XFAHXA3RB, is a medium- to heavy-duty PTO designed for transmissions with an 8-bolt PTO aperture. It uses a wire/cable mechanical shift and delivers a 1-1/4" round output shaft with keyway. Intermittent torque rating for this series runs 301-400 lb-ft (501+ Nm), with a listed application-specific value of 375 lb-ft (508 Nm) - confirm the exact rating for your application on the Chelsea application pages. Output power exceeds 56 HP (51+ kW), with shaft power of 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The deep-mount housing option supports Mack transmission installations, and the cast iron housing with tapered cone bearings on the output shaft suits demanding cycles like pneumatic blowers. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your transmission.
Features
8-bolt mounting type for broad manual transmission coverage including Eaton/Fuller and Volvo/Mack applications
Deep-mount housing option available for Mack transmission installations
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating of 375 lb-ft (508 Nm) - verify on Chelsea application pages for your specific setup
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Tech Specs
- Intermittent Torque: 301-400 lb-ft (501+ Nm); application-specific rating 375 lb-ft (508 Nm) - check Chelsea application pages to confirm for your unit
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP (51+ kW)
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Shaft Power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM); 27 kW (500 RPM), 53 kW (1,000 RPM), 80 kW (1,500 RPM)
Additional Information
