The Chelsea 680XQAHX-V5XK is an 8-bolt mount Power Take-Off from the Chelsea 680 Series, engineered for medium to heavy-duty manual transmission applications including Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and others. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for handling higher-torque demands such as pneumatic blowers. Available output configurations include SAE A and SAE B pump flanges, ISO 7652 pump flange, and driveline outputs. Shift options include wire/cable and mechanical. The series carries an intermittent torque rating of 301-400 lb-ft, with continuous operation supported at a 30% de-rating. A genuine Chelsea part, sold by Pro Gear and Transmission.
Features
8-bolt mounting for Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other manual transmissions
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating: 301-400 lb-ft (508 Nm); continuous operation with 30% de-rating
Output options include SAE A pump flange, SAE B pump flange, ISO 7652 pump flange, and driveline
Wire/cable and mechanical shift types available
Deep mount housing option supports Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other manual transmissions
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Intermittent Torque: 301-400 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Lubricant: Pressure lube or no pressure lube (application-dependent)
- Housing: Cast iron
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
