The Chelsea 660 Series Power Take-Off Assembly, part number 660XRAHX-A3XX or 660XRAHXA3XX, is a 6-bolt PTO designed for medium- to heavy-duty vocational applications including dump trucks, aerial devices, service trucks, and snow and ice removal equipment. It fits most popular manual 6-bolt transmissions from Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. The 660 Series carries an intermittent torque rating of up to 375 lb-ft (508 Nm), with shaft power reaching 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. Shift is accomplished via wire/cable mechanical actuation. Output is through a 1-1/4" round shaft (with key option). Cast iron housing and tapered cone bearings on the output shaft contribute to load capacity and service life. Call us to confirm proper fit for your application.
Features
6-bolt mounting fits most popular manual transmissions from Eaton/Fuller, Volvo/Mack, Hino, and others
Intermittent torque rating up to 375 lb-ft (508 Nm) - check application pages for actual torque ratings
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Wire/cable mechanical shift actuation
1-1/4" round output shaft with key option
One-piece gears, cast iron bearing caps, and greaseable shaft options for durability and serviceability
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Hino, Other
- Output Shaft Type: 1-1/4" Round, 1-1/4" Round with Key
- Output Power: 56+ HP, 51+ kW
- Intermittent Torque: 375 lb-ft / 508 Nm (check application pages for actual torque ratings)
- 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)
- Dimensions (H x W x L): 8.38" x 10.38" x 14.25"
Additional Information
