The Chelsea 680QQMEX-66XV is an 8-bolt Power Take-Off from the Chelsea 680 Series, built for medium to heavy duty manual transmission applications. The cast iron housing pairs with tapered cone bearings on the output shaft for a higher torque rating and longer service life. The 680 Series supports Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmissions, with a deep mount housing option suited to Mack applications. Output options include SAE A and SAE B pump flanges, ISO 7652, and driveline configurations. Shift is handled via wire/cable or mechanical means. Typical applications include pneumatic blowers, dump trucks, refuse, fire and rescue, and aerial equipment.
Features
8-bolt mounting for common medium to heavy duty manual transmission apertures
Cast iron housing with tapered cone bearings on output and input shafts
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers
SAE A, SAE B, ISO 7652 pump flange, and driveline output options
Wire/cable or mechanical shift types available in this series
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable, Mechanical
- Housing Material: Cast Iron
- Continuous Operation: Yes, with 30% de-rating
- Intermittent Torque (Series): 375 lb-ft / 508 Nm (see application pages for actual rating)
- Output Power (Series): 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.
