The Chelsea 680 Series Power Take-Off, part number 680XFAHX-V6XD or 680XFAHXV6XD, is a medium- to heavy-duty 8-bolt PTO built for higher-torque vocational work including pneumatic blowers, dump trucks, refuse bodies, and aerial units. It shifts via wire/cable mechanical actuation and delivers output power of 56+ HP (51+ kW), with shaft power ratings of 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The 1-1/4" round output shaft with keyway suits a wide range of hydraulic pump and driveline setups. Intermittent torque rating for the 680 Series runs 301-400 lb-ft (501+ Nm), with application-specific ratings up to 375 lb-ft (508 Nm), confirm actual torque against your application pages. The deep-mount housing option makes this unit compatible with Mack transmission applications. A genuine Chelsea part available from Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission and output configuration.
Features
8-bolt mounting type with broad coverage for manual transmissions featuring an 8-bolt PTO aperture
Wire/cable mechanical shift actuation
1-1/4" round output shaft with keyway
Intermittent torque rating: 301-400 lb-ft (501+ Nm); up to 375 lb-ft (508 Nm) per application, verify against application pages
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Deep-mount housing option available for Mack transmission applications; also fits Eaton/Fuller and Volvo/Mack
Tech Specs
- Intermittent Torque: 301-400 lb-ft (501+ Nm); 375 lb-ft / 508 Nm (check application pages for actual torque ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP (51+ kW)
- 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)
- Output Shaft Type: 1-1/4" Round / 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
