The Chelsea 680ZQDAX-A6XY is an 8-bolt power take-off from Chelsea's 680 Series, built for medium- to heavy-duty manual transmission applications on Eaton/Fuller and Volvo/Mack platforms. Shift is wire/cable mechanical. The output shaft is a 1-1/4" round with keyway. Intermittent torque rating for this series reaches 375 lb-ft (508 Nm), verify the actual rating for your specific application on Chelsea's application pages. Shaft power output scales from 36 HP at 500 RPM to 107 HP at 1,500 RPM. The 680 Series cast iron housing with tapered cone bearings on the output shaft makes it a common choice for pneumatic blower and pump-drive work. Call us to confirm proper fit for your application.
Features
8-Bolt mounting for compatibility with common medium- and heavy-duty manual transmission apertures
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating up to 375 lb-ft (508 Nm), confirm actual rating via Chelsea application pages
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Cast iron housing with tapered cone bearings on the output shaft for heavy-torque applications such as pneumatic blowers
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (check Chelsea application pages for actual torque rating)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 8-Bolt
- Compatible Transmission Manufacturers: Eaton/Fuller, Volvo/Mack, Other
- Shaft Power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM) / 27 kW (500 RPM), 53 kW (1,000 RPM), 80 kW (1,500 RPM)
Additional Information
The Chelsea 680 Series is designed for higher-torque vocational applications including pneumatic blowers, aerial equipment, dump trucks, refuse vehicles, fire and rescue units, and service trucks. The 680 Series features a deep-mount housing option specifically for Mack transmission applications. Continuous operation is supported with a 30% torque de-rating applied. The series offers thirty-two output options, including a 360-degree rotatable flange, four internal speed ratios, and ten shift options. The space-saving shift cover is designed to maximize clearance under the truck. Reference documents for this series include the 680 Series Parts List (HY25-2660-M1_US) and the 680 Series Sales Literature, available from Parker Chelsea.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
