The Chelsea 680 Series Power Take-Off, part number 680XFAHX-V3RF or 680XFAHXV3RF, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller and Volvo/Mack applications. It uses a wire/cable mechanical shift and delivers a 1-1/4" round output shaft with keyway. Intermittent torque capacity falls in the 301-400 lb-ft (501+ Nm) range, with a series rating of 375 lb-ft (508 Nm) - verify actual rating on Chelsea application pages for this configuration. Shaft power output reaches 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The deep-mount housing accommodates Mack transmission applications, and the cast iron housing with tapered cone output shaft bearings suits high-torque demands like pneumatic blowers. A genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your transmission.
Features
Chelsea 680 Series PTO, part number 680XFAHX-V3RF or 680XFAHXV3RF
8-bolt mounting for broad coverage across manual transmission applications
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Shaft power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM)
Deep-mount housing option for Mack transmission installations
Cast iron housing with tapered cone bearings on input and output shafts for high-torque durability
Suited for pneumatic blowers, aerial, dump truck, refuse, and fire and rescue applications
Tech Specs
- Intermittent Torque: 301-400 lb-ft (501+ Nm); series application rating 375 lb-ft / 508 Nm - check Chelsea application pages for actual torque rating for this configuration
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP, 51+ kW
- Transmission Manufacturer Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- 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)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
