The Chelsea 680DFMAX-56RJ is an 8-bolt Power Take-Off from the Chelsea 680 Series, built for medium to heavy duty manual transmission applications. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft, making it suitable for higher torque applications including pneumatic blowers. Compatible transmission manufacturers include Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and others. The 680 Series offers output options including SAE A and SAE B pump flanges, ISO 7652 flanges, and driveline configurations, with air shift, wire/cable, and mechanical shift options available across the series. A deep mount housing option extends coverage to Mack transmission applications.
Features
8-bolt mounting configuration for broad manual transmission coverage
Cast iron housing with tapered cone bearings on the output shaft
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers
Deep mount housing option for Mack transmission applications
Output options include SAE A, SAE B, and ISO 7652 pump flanges as well as driveline
Air shift, wire/cable, and mechanical shift types available within the 680 Series
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Types: Air, Wire/Cable, Mechanical
- Series Intermittent Torque Rating: 301-400 lb-ft (check application pages for actual rating)
- Continuous Operation: Yes, with 30% de-rating
- Series Output Power: 56+ HP / 51+ kW
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
