The Chelsea 680 Series Power Take-Off Assembly, part number 680GFAHX-A3AF or 680GFAHXA3AF, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. Shift is wire/cable mechanical. The output shaft is a 1-1/4" round with key. Intermittent torque rating for the 680 Series is 375 lb-ft (508 Nm), confirm your exact application rating on Chelsea's application pages. Output power exceeds 56 HP (51 kW); shaft power reaches 107 HP at 1,500 RPM. The cast iron housing carries tapered cone bearings on both the input and output shafts for strong load handling. A deep-mount housing option accommodates Mack transmission applications. Call us to confirm proper fitment for your application.
Features
Chelsea 680 Series PTO, part number 680GFAHX-A3AF or 680GFAHXA3AF
8-bolt mounting type fits most manual transmissions with an 8-bolt PTO aperture
Wire/cable mechanical shift
1-1/4" round output shaft with key
375 lb-ft (508 Nm) intermittent torque rating, verify exact rating on Chelsea application pages
Deep-mount housing option available for Mack transmission applications
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
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, 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
