The Chelsea 680 Series Power Take-Off Assembly, part number 680XFAHX-A3XY or 680XFAHXA3XY, is a cast iron, 8-bolt mount PTO engineered for medium- to heavy-duty manual transmission applications. It ships with a wire/cable mechanical shift and a 1-1/4" round output shaft with key. Intermittent torque capacity ranges from 301 to 400 lb-ft, with application-specific ratings up to 375 lb-ft (508 Nm) -- verify the exact figure on the Chelsea application pages for your setup. Output power exceeds 56 HP, with shaft power rated at 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The 680 Series is engineered for high-torque demands such as pneumatic blowers and features a deep-mount housing option suited to Mack transmission applications. Compatible with Eaton/Fuller and Volvo/Mack transmissions. Call us to confirm proper fit for your application.
Features
8-Bolt mounting for broad coverage of manual transmissions with 8-bolt PTO apertures
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque up to 375 lb-ft (508 Nm) -- check application pages for your specific rating
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
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round with Key
- Intermittent Torque: 301-400 lb-ft (501+ Nm); application-specific rating up to 375 lb-ft (508 Nm) -- verify on Chelsea application pages
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP (27 kW) at 500 RPM, 71 HP (53 kW) at 1000 RPM, 107 HP (80 kW) at 1500 RPM
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
