The Chelsea 680 Series Power Take-Off, part number 680XRAHX-A3XY or 680XRAHXA3XY, is a cast iron, 8-bolt mount PTO engineered for medium- to heavy-duty manual transmission applications. Shift type is wire/cable mechanical. The output shaft is a 1-1/4" round with key. Intermittent torque rating for the 680 Series reaches 375 lb-ft (508 Nm) - check Chelsea application pages for the actual rating confirmed to your transmission. Shaft power output runs 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. Compatible with Eaton/Fuller and Volvo/Mack 8-bolt transmissions, with a deep-mount housing option suited to Mack applications. Designed for higher-torque work including pneumatic blowers. Call us to confirm proper fit for your application.
Features
8-bolt mounting fits most manual transmissions with an 8-bolt PTO aperture
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque rating up to 375 lb-ft (508 Nm) - verify against Chelsea application pages for your transmission
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 Chelsea application pages for actual rating by transmission)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack
- Shaft Power: 36 HP (500 RPM), 71 HP (1000 RPM), 107 HP (1500 RPM) / 27 kW (500 RPM), 53 kW (1000 RPM), 80 kW (1500 RPM)
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
