The Chelsea 680ZQDAX-V3XD or 680ZQDAXV3XD is an 8-bolt power take-off from the Chelsea 680 Series, designed for medium- to heavy-duty manual transmission applications including Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and others. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft and tapered bearings on the input shaft for strong load-bearing capability. The series carries an intermittent torque rating of up to 375 lb-ft (508 Nm), with output power exceeding 56 HP. Shift options include wire/cable and mechanical actuation. The space-saving air shift cover provides clearance under the truck. Common applications include dump trucks, blowers and product pumps, aerial equipment, refuse, and fire and rescue vehicles. Call us to confirm proper fit for your application.
Features
Chelsea 680 Series 8-bolt power take-off
Cast iron housing with tapered cone bearings on output shaft and tapered input shaft bearings
Intermittent torque rating up to 375 lb-ft (508 Nm); continuous operation supported with 30% de-rating
Output power exceeding 56 HP (51+ kW)
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other manual transmissions with 8-bolt PTO apertures
Wire/cable and mechanical shift options; deep mount housing option available for Mack applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other 8-bolt manual transmissions
- Intermittent Torque: up to 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Shift Type: Wire/Cable or Mechanical
- Housing Material: Cast iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 680 Series is documented in the 680 Series Owner's Manual (HY25-2660-M1_US) and 680 Series Sales Literature, available from Parker Chelsea. The series covers 32 output options including a 360-degree rotatable flange, four internal speed ratios, and ten shift options. Typical vocational applications include aerial equipment, snow and ice removal, fire and rescue, dump trucks, service trucks, refuse trucks, and blower and product pumps.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
