Description
The Chelsea 660 Series Power Take-Off Assembly, part number 660GSAHX-A5RA or 660GSAHXA5RA, is a 6-bolt PTO designed for medium to heavy-duty truck applications. It uses a wire/cable mechanical shift and delivers an intermittent torque capacity up to 375 lb-ft (508 Nm). The 1-1/4″ round output shaft with keyway transfers power at 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. Compatible transmissions include Eaton/Fuller, Volvo/Mack, Hino, and others. One-piece gears, cast iron bearing caps, and greaseable shaft options contribute to the series’ load-handling capability and service life. Typical 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 including Eaton/Fuller, Volvo/Mack, Hino, and others
Wire/cable mechanical shift type
Intermittent torque capacity up to 375 lb-ft (508 Nm) – verify actual rating on application pages
1-1/4″ round output shaft with keyway
Shaft power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
One-piece gears, cast iron bearing caps, and greaseable shaft options for durability
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 Compatibility: Eaton/Fuller, Volvo/Mack, Hino, Other
- Continuous Operation: Yes, with 30% de-rating
