The Chelsea 660ZSAHX-A3XK or 660ZSAHXA3XK is a 660 Series Power Take-Off built for medium to heavy-duty vocational applications. This unit mounts on 6-bolt transmissions compatible with Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers, and shifts via wire/cable mechanical actuation. The output shaft is a 1-1/4" round configuration, with a keyed option available in this series. Intermittent torque capacity for the 660 Series reaches 375 lb-ft (508 Nm); check application pages for your specific rating. Shaft power output is 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The cast iron housing and tapered cone bearings on the output shaft contribute to long service life across demanding cycles. Common applications include dump trucks, aerial devices, service trucks, and snow and ice removal equipment. Call us to confirm proper fit for your application.
Features
6-bolt mounting, fits most popular manual transmissions from Eaton/Fuller, Volvo/Mack, Hino, and others
Wire/cable mechanical shift actuation
Intermittent torque capacity up to 375 lb-ft (508 Nm), check application pages for actual rating
1-1/4" round output shaft (keyed option available in the 660 Series)
One-piece gears for higher torque capacity
Cast iron bearing caps and greaseable shaft options for extended service intervals
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
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Hino, Other
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP / 27 kW (500 RPM), 71 HP / 53 kW (1000 RPM), 107 HP / 80 kW (1500 RPM)
- 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.
