The Chelsea 660 Series Power Take-Off, part number 660GQAHX-A3XV or 660GQAHXA3XV, is a 6-bolt mounted PTO built for medium to heavy-duty vocational applications including dump trucks, aerial devices, service trucks, and snow removal equipment. It uses a wire/cable mechanical shift and delivers up to 375 lb-ft of intermittent torque (508 Nm), with shaft power rated at 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The 1-1/4" round output shaft with key suits a range of hydraulic pump setups. Compatible transmission manufacturers include Eaton/Fuller, Hino, Volvo/Mack, and others. Cast iron bearing caps and one-piece gears contribute to the series' load-bearing capability and service life. Continuous operation is supported with a 30% de-rating. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting compatible with Eaton/Fuller, Hino, Volvo/Mack, and other popular manual transmissions
Wire/cable mechanical shift type
Intermittent torque capacity up to 375 lb-ft (508 Nm), check application pages for actual torque ratings
1-1/4" round output shaft with key
One-piece gears and cast iron bearing caps for increased load capacity
Greaseable shaft options; continuous operation supported with 30% de-rating
Tech Specs
- Intermittent Torque: 301-400 lb-ft / 501+ Nm; up to 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 1000 RPM; 107 HP (80 kW) at 1500 RPM
- Compatible Transmission Manufacturers: 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.
