The Chelsea 680QHLZX-V3RA is an 8-bolt Power Take-Off from the Chelsea 680 Series, built for medium to heavy duty manual transmission applications on Eaton/Fuller, Volvo/Mack, and Daimler/Detroit platforms. The cast iron housing and tapered cone output shaft bearings support intermittent torque ratings in the 301-400 lb-ft range, making this unit well suited for demanding vocational work including pneumatic blowers, dump trucks, aerial equipment, and refuse vehicles. The 680 Series offers output configurations including SAE A and SAE B pump flanges, driveline outputs, and a space-saving air shift cover for clearance under the truck. A deep mount housing option is available for Mack transmission applications. Pro Gear and Transmission carries genuine Chelsea PTO units for professional fleet and shop buyers.
Features
8-bolt mounting for most manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating 301-400 lb-ft (508 Nm series range)
Output options include SAE A pump flange, SAE B pump flange, and driveline
Air shift cover for maximum clearance under the truck
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Intermittent Torque (series): 301-400 lb-ft / 501+ Nm
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Shaft Options: Round Shaft (1-1/4" - 5/16" Key), SAE A (5/8" - 9T) Pump Spline, SAE B (7/8" - 13T) Pump Spline, SAE BB (1" - 15T) Pump Spline, SAE C (1-1/4" - 14T) Pump Spline, 1410 Companion Flange
- Housing Material: Cast Iron
- 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.
