The Chelsea 660 Series Power Take-Off Assembly, part number 660XFAHX-V3XK or 660XFAHXV3XK, is a 6-bolt mounted PTO engineered for medium- to heavy-duty vocational applications including dump trucks, aerial devices, service trucks, and snow and ice removal equipment. Shift type is wire/cable mechanical. The output shaft is a 1-1/4" round shaft with keyway. Intermittent torque capacity for the 660 Series reaches 375 lb-ft (508 Nm) - confirm actual ratings on the Chelsea application pages for your specific transmission. Compatible transmissions include Eaton/Fuller, Volvo/Mack, Hino, and other 6-bolt manual transmissions. Shaft power output at 1,000 RPM is 71 HP (53 kW). Call us to confirm proper fit for your application.
The Chelsea 660 Series is suited for aerial, construction, vocational, and municipal equipment applications. Typical uses include blower and product pumps, aerial devices, dump trucks and trailers, service trucks, and snow and ice removal. The 660 Series offers continuous operation capability with a 30% de-rating. Four internal speed ratios and multiple output options are available across the series. Refer to Chelsea documents including the 660 Series Parts List (HY25-2660-M1_US) and the 660/680 Series Ratio and Output Options bulletin (PTO-PNI-250) for full application and configuration details.
Features
6-bolt mounting fits most popular manual transmissions including Eaton/Fuller, Volvo/Mack, and Hino
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque capacity up to 375 lb-ft (508 Nm) for the 660 Series - check application pages for actual 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)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP, 51+ kW
- Compatible Transmission Manufacturers: Eaton/Fuller, Hino, Volvo/Mack, Other 6-Bolt Manual
- Output Shaft Type: 1-1/4" Round with Key
- Mounting Type: 6-Bolt
- 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, dump trucks and trailers, service trucks, and snow and ice removal. The 660 Series offers continuous operation capability with a 30% de-rating. Four internal speed ratios and multiple output options are available across the series. Refer to Chelsea documents including the 660 Series Parts List (HY25-2660-M1_US) and the 660/680 Series Ratio and Output Options bulletin (PTO-PNI-250) for full application and configuration details.
