Description
The Chelsea 680 Series Power Take-Off Assembly, part number 680XQAHX-V3RF or 680XQAHXV3RF, is built for medium- to heavy-duty applications requiring an 8-bolt PTO aperture. This unit uses a wire/cable mechanical shift and delivers a 1-1/4″ round output shaft with keyway. Intermittent torque is rated at 375 lb-ft (508 Nm) – check Chelsea application pages to confirm the actual rating for your specific setup. Shaft power output runs 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft and tapered input shaft bearings for strong load capacity. A deep-mount housing option accommodates Mack transmission applications, and the unit is compatible with Eaton/Fuller and Volvo/Mack transmissions. Common applications include pneumatic blowers, dump trucks, refuse, aerial equipment, and fire and rescue. Call us to confirm proper fitment for your transmission and application.
Features
8-bolt mounting for broad coverage across manual transmission applications
Wire/cable mechanical shift type
1-1/4″ round output shaft with keyway
Intermittent torque up to 375 lb-ft (508 Nm) – verify on Chelsea application pages for your specific unit
Shaft power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Deep-mount housing option available for Mack transmission applications
Cast iron housing with tapered cone bearings on output shaft for high torque and long service life
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (check Chelsea application pages for actual torque rating for your application)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Type: 1-1/4″ Round with Key
- Mounting Type: 8-Bolt
- Shaft Power: 36 HP (500 RPM), 71 HP (1000 RPM), 107 HP (1500 RPM) / 27 kW (500 RPM), 53 kW (1000 RPM), 80 kW (1500 RPM)
- Dimensions (H x W x L): 8.38″ x 10.38″ x 10.75″
Additional Information
The Chelsea 680 Series is suited for vocational and municipal markets including aerial equipment, snow and ice removal, fire and rescue, dump truck and trailer, service trucks, refuse, and blower and product pump systems. The 680 Series offers four internal speed ratios and ten shift options, with thirty-two output configurations including Chelsea’s 360-degree rotatable flange for flexible pump fitment. Continuous operation is supported with a 30% de-rating. The space-saving shift cover is engineered for maximum clearance under the truck.
