The Chelsea 660ZSDAX-A3RY or 660ZSDAXA3RY is a 6-bolt power take-off assembly from Chelsea's 660 Series, built for medium to heavy-duty vocational applications including dump trucks, aerial devices, and service trucks. Shift type is wire/cable mechanical. The output shaft is a 1-1/4" round design with keyway, and the 6-bolt mounting pattern fits Eaton/Fuller, Volvo/Mack, Hino, and other popular manual transmissions. The 660 Series is rated for intermittent torque up to 375 lb-ft (508 Nm); check the application pages for actual torque ratings on your specific installation. Shaft power output is 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. A genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your application.
The Chelsea 660 Series fits most popular manual 6-bolt transmissions and is suited for aerial, construction, vocational, and municipal equipment. Typical applications include blower and product pumps, aerial devices, dump trucks and trailers, service trucks, and snow and ice removal equipment. The 660 Series features tapered cone bearings on the output shaft and tapered bearings on the input shaft for greater load-bearing capability compared to needle-bearing designs. The space-saving shift cover is designed to provide maximum clearance under the truck. Twenty-six output options and four internal speed ratios are available across the 660 Series family, call us to confirm the correct configuration for your specific transmission and pump setup.
Features
6-bolt mounting pattern fits Eaton/Fuller, Volvo/Mack, Hino, and other popular manual transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
660 Series intermittent torque rating up to 375 lb-ft (508 Nm), verify on application pages
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
One-piece gears, cast iron bearing caps, and greaseable shaft options for extended service life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round with Key
- Intermittent Torque: 375 lb-ft / 508 Nm (Check Application Pages for Actual Torque Ratings)
- Output Power: 56+ HP / 51+ kW
- 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)
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Hino, Other 6-bolt manual transmissions
Additional Information
The Chelsea 660 Series fits most popular manual 6-bolt transmissions and is suited for aerial, construction, vocational, and municipal equipment. Typical applications include blower and product pumps, aerial devices, dump trucks and trailers, service trucks, and snow and ice removal equipment. The 660 Series features tapered cone bearings on the output shaft and tapered bearings on the input shaft for greater load-bearing capability compared to needle-bearing designs. The space-saving shift cover is designed to provide maximum clearance under the truck. Twenty-six output options and four internal speed ratios are available across the 660 Series family, call us to confirm the correct configuration for your specific transmission and pump setup.
