The Chelsea 660 Series Power Take-Off, part number 660XSAHX-A3XV or 660XSAHXA3XV, is a 6-bolt mounted PTO designed for medium- to heavy-duty vocational applications including dump trucks, aerial devices, service trucks, and snow and ice removal equipment. It uses a wire/cable mechanical shift and delivers up to 375 lb-ft intermittent torque. The output shaft is a 1-1/4" round with key configuration. Shaft power ratings run 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. Compatible transmissions span Eaton/Fuller, Hino, Volvo/Mack, and other manufacturers. One-piece gears, cast iron bearing caps, and tapered cone bearings on both the input and output shafts contribute to the long service life this series is known for. Call us to confirm proper fit for your specific transmission.
The Chelsea 660 Series is suited for aerial, construction, vocational, and municipal equipment applications. Typical uses include blower and product pumps, aerial devices, service trucks, dump trucks and trailers, and snow and ice removal equipment. The 660 Series offers 26 output options and four internal speed ratios. For application-specific torque ratings, consult the Chelsea application pages or call Pro Gear and Transmission to confirm this part fits your transmission and installation requirements.
Features
6-bolt mounting, compatible with Eaton/Fuller, Hino, Volvo/Mack, and other manual transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque capacity 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
One-piece gears, cast iron bearing caps, and greaseable shaft options for extended service life
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (check application pages for actual torque ratings)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 6-Bolt
- Compatible Transmissions: Eaton/Fuller, Hino, Volvo/Mack, Other
- 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)
Additional Information
The Chelsea 660 Series is suited for aerial, construction, vocational, and municipal equipment applications. Typical uses include blower and product pumps, aerial devices, service trucks, dump trucks and trailers, and snow and ice removal equipment. The 660 Series offers 26 output options and four internal speed ratios. For application-specific torque ratings, consult the Chelsea application pages or call Pro Gear and Transmission to confirm this part fits your transmission and installation requirements.
