The Chelsea 680QQMEX-66RY is a medium- to heavy-duty 8-bolt Power Take-Off from the Chelsea 680 Series, engineered for Eaton/Fuller, Volvo/Mack, and Daimler/Detroit manual transmissions. The cast iron housing and tapered cone bearings on the output shaft deliver a high intermittent torque rating suited to demanding applications like pneumatic blowers, dump trucks, aerial equipment, and refuse vehicles. Output options include SAE A, SAE B, and ISO 7652 pump flanges as well as driveline configurations. The space-saving air shift cover maximizes clearance under the truck. Available from Pro Gear and Transmission.
Features
8-bolt mounting for Eaton/Fuller, Volvo/Mack, and Daimler/Detroit manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating in the 301-400 lb-ft (501+ Nm) range per the 680 Series
Output options include SAE A pump flange, SAE B pump flange, ISO 7652 pump flange, and driveline
Space-saving air shift cover for maximum undercarriage clearance
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable, Mechanical
- Intermittent Torque (Series): 301-400 lb-ft / 501+ Nm
- Continuous Operation: Yes, with 30% de-rating
- Output Power (Series): 56+ HP / 51+ kW
- Lubricant: X - No Pressure Lube (per part number decode)
- Housing Material: 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.
