The Chelsea 680ZQAHX-A3XR or 680ZQAHXA3XR is a Power Take-Off from Chelsea's 680 Series, designed for medium to heavy-duty manual transmission applications with an 8-bolt PTO aperture. The 680 Series is a proven fit for Eaton Fuller transmissions and includes a deep-mount housing option for Mack applications. The cast iron housing and tapered cone bearings on the output shaft give the series its high-torque capability, making it a common choice for demanding work like pneumatic blowers, refuse equipment, aerial trucks, and dump bodies. The 680 Series carries an intermittent torque rating of 375 lb-ft (508 Nm) at the series level, with continuous operation supported at a 30% de-rating. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting for most manual transmission applications with 8-bolt PTO apertures
Cast iron housing with tapered cone bearings on the output shaft for high torque capacity
680 Series intermittent torque rating: 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Deep-mount housing option available for Mack transmission applications
Wire/cable or mechanical shift type options within the 680 Series
Suited for high-torque vocational work including pneumatic blowers, aerial, dump, refuse, and fire and rescue
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series): 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power (Series): 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Lubricant Type (from part number): No Pressure Lube (X)
- Dimensions: 8 in. H x 10 in. W x 14 in. L
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
