The Chelsea 660 Series Power Take-Off, part number 660XHAHX-A3XD or 660XHAHXA3XD, is a 6-bolt mounted PTO built for medium to heavy duty vocational applications. It uses a wire/cable mechanical shift and delivers an intermittent torque capacity up to 375 lb-ft (508 Nm), with continuous operation available at a 30% de-rating. The 1-1/4" round output shaft with keyway connects to hydraulic pumps or driveline components, and the unit fits transmissions from Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. Shaft power output runs 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. Call us to confirm proper fit for your transmission and application.
The Chelsea 660 Series is suited for aerial devices, dump trucks, service trucks, snow and ice removal equipment, blower and product pumps, and other vocational and municipal applications. Four internal speed ratios and ten shift options make this a versatile PTO platform across medium and heavy duty vocations.
Features
6-bolt mounting fits most popular manual transmissions from Eaton/Fuller, Volvo/Mack, Hino, and others
Wire/cable mechanical shift type
Intermittent torque rating up to 375 lb-ft (508 Nm); continuous operation with 30% de-rating
1-1/4" round output shaft with keyway
One-piece gears for higher torque capacity
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
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round; 1-1/4" Round with Key
- 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
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Eaton/Fuller, Hino, Volvo/Mack, Other 6-bolt manual transmissions
Additional Information
The Chelsea 660 Series is suited for aerial devices, dump trucks, service trucks, snow and ice removal equipment, blower and product pumps, and other vocational and municipal applications. Four internal speed ratios and ten shift options make this a versatile PTO platform across medium and heavy duty vocations.
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
