The Chelsea 660 Series Power Take-Off, part number 660XHAHX-A3XX or 660XHAHXA3XX, is a 6-bolt PTO designed for medium to heavy duty vocational applications including dump trucks, aerial devices, service trucks, and snow removal equipment. It mounts to Eaton/Fuller, Volvo/Mack, and Hino manual transmissions. The output shaft is a 1-1/4" round with keyway, and the unit shifts via wire/cable mechanical linkage. Series intermittent torque capacity reaches 375 lb-ft (508 Nm), and shaft power output scales from 36 HP at 500 RPM to 107 HP at 1,500 RPM. The cast iron housing uses tapered cone bearings on the output shaft and tapered bearings on the input shaft for load bearing durability. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting fits Eaton/Fuller, Volvo/Mack, and Hino manual transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque capacity up to 375 lb-ft (508 Nm); rated for continuous operation with 30% de-rating
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Cast iron bearing caps and one-piece gears for higher torque handling; greaseable shaft options available
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 (27 kW) at 500 RPM, 71 HP (53 kW) at 1,000 RPM, 107 HP (80 kW) at 1,500 RPM
- Transmission Manufacturer Compatibility: Eaton/Fuller, Hino, Volvo/Mack, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
