The Chelsea 680ZQDAX-P5RK is an 8-bolt Power Take-Off from the Chelsea 680 Series, engineered for medium to heavy-duty manual transmission applications on Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other compatible transmissions. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for extended service life in demanding cycles. The series carries an intermittent torque rating of up to 375 lb-ft (508 Nm) and supports continuous operation with a 30% de-rating. A space-saving air shift cover maximizes clearance under the truck. Shift options include wire/cable and mechanical. Common vocational applications for the 680 Series include pneumatic blowers, dump trucks, aerial equipment, fire and rescue, refuse, and service trucks. Available from Pro Gear and Transmission.
Features
8-bolt mounting for broad manual transmission coverage including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on both input and output shafts
Intermittent torque rating up to 375 lb-ft (508 Nm); continuous operation supported with 30% de-rating
Output power 56+ HP (42+ kW); shaft power rated at 71 HP at 1,000 RPM
Shift options include wire/cable and mechanical actuation
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Intermittent Torque: Up to 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- 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, DIN 5462 Pump Spline, 1410 Companion Flange
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
- Housing Material: Cast Iron
- Lubrication: P = Pressure Lube, X = No Pressure Lube (per part number code)
- Series: Chelsea 680
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
