Description
The Chelsea 680 Series Power Take-Off Assembly, part number 680KFAHX-A3XD or 680KFAHXA3XD, mounts via an 8-bolt opening and uses a wire/cable mechanical shift. The output shaft is a 1-1/4″ round with key, and the unit delivers 56+ HP output power. Intermittent torque for this series runs 301-400 lb-ft, with a rated figure of 375 lb-ft (check application pages for your specific torque confirmation). Shaft power at common PTO drive speeds: 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. Compatible transmission manufacturers include Eaton/Fuller and Volvo/Mack. The deep mount housing option makes this unit a practical fit for Mack transmission applications, and the series is designed for higher-torque demands such as pneumatic blowers. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-bolt mounting for broad coverage across compatible manual transmission applications
Wire/cable mechanical shift type
1-1/4″ round output shaft with key
Intermittent torque: 375 lb-ft / 508 Nm (verify against application pages for your specific unit)
Shaft power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Deep mount housing option available for Mack transmission applications
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (Check Application Pages for Actual Torque Ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP, 51+ kW
- Transmission Manufacturer Compatibility: Eaton/Fuller, Volvo/Mack
- Output Shaft Type: 1-1/4″ Round with Key
- Mounting Type: 8-Bolt
- Shaft Power: 36 HP / 27 kW (500 RPM), 71 HP / 53 kW (1000 RPM), 107 HP / 80 kW (1500 RPM)
