The Chelsea 660XFAHX-A3AZ is a 660 Series Power Take-Off assembly built for medium to heavy duty vocational applications including dump trucks, aerial devices, and service trucks. It mounts to 6-bolt manual transmissions from Eaton/Fuller, Volvo/Mack, Hino, and other compatible manufacturers. Shift actuation is wire/cable mechanical. The output shaft is a 1-1/4" round configuration, with a keyed variant also available within the series. Intermittent torque capacity for the 660 Series reaches 375 lb-ft (508 Nm), and output power exceeds 56 HP. Shaft power output at rated speeds runs 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. Call us to confirm proper fit for your transmission and application.
Features
6-Bolt mounting configuration fits most popular manual transmissions including Eaton/Fuller, Volvo/Mack, Hino, and others
Wire/cable mechanical shift actuation
1-1/4" round output shaft
Intermittent torque capacity up to 375 lb-ft (508 Nm) per Chelsea 660 Series rating
One-piece gears for higher torque capacity
Cast iron bearing caps with greaseable shaft options
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round, 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 (500 RPM), 71 HP (1000 RPM), 107 HP (1500 RPM); 27 kW (500 RPM), 53 kW (1000 RPM), 80 kW (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.
