The Chelsea 660 Series Power Take-Off, part number 660GQJAX-A5XD or 660GQJAXA5XD, is a 6-bolt mounted 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), verified against application pages. The 1-1/4" round output shaft (with keyway option) pairs with Eaton/Fuller, Volvo/Mack, Hino, and other compatible transmissions. Shaft power output reaches 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The cast iron housing with tapered cone bearings on the output shaft and one-piece gears contribute to the 660 Series' torque rating and service life. Common applications include dump trucks, aerial devices, service trucks, and snow and ice removal equipment. Call us to confirm proper fit for your application.
Typical 660 Series applications include dump trucks, aerial devices, service trucks, blower and product pumps, and snow and ice removal equipment. The 660 Series supports up to 26 output options and four internal speed ratios across the product line. Refer to Chelsea application pages to confirm the torque rating and gear ratio specific to part number 660GQJAX-A5XD for your transmission. The Chelsea part number SP660GQJAX-A5XD is an alternate reference for this assembly.
Features
6-bolt mounting for compatibility with Eaton/Fuller, Volvo/Mack, Hino, and other manual transmissions
Wire/cable mechanical shift type
Intermittent torque capacity up to 375 lb-ft (508 Nm), check application pages for actual rating
1-1/4" round output shaft with keyway option
One-piece gears for higher torque capacity
Cast iron bearing caps and greaseable shaft options for extended service life
Tech Specs
- Intermittent Torque: 301-400 lb-ft / 501+ Nm; rated at 375 lb-ft (508 Nm), check application pages for actual torque rating
- 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 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
Additional Information
Typical 660 Series applications include dump trucks, aerial devices, service trucks, blower and product pumps, and snow and ice removal equipment. The 660 Series supports up to 26 output options and four internal speed ratios across the product line. Refer to Chelsea application pages to confirm the torque rating and gear ratio specific to part number 660GQJAX-A5XD for your transmission. The Chelsea part number SP660GQJAX-A5XD is an alternate reference for this assembly.
