The Chelsea 660 Series Power Take-Off Assembly, part number 660XSAHX-A5XD or 660XSAHXA5XD, is a 6-bolt mechanical or wire/cable shift PTO built for medium to heavy-duty vocational applications. It delivers an intermittent torque capacity up to 375 lb-ft (508 Nm), with output shaft power rated at 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The 1-1/4" round output shaft (with key) suits a wide range of driven equipment. Compatible transmissions include Eaton/Fuller, Volvo/Mack, Hino, and other 6-bolt manual units. One-piece gears, cast iron bearing caps, and tapered bearings on both input and output shafts give this unit a long service life in demanding cycles. Continuous operation is supported with a 30% torque de-rating. Available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
One-piece gears support intermittent torque capacity up to 375 lb-ft (508 Nm)
Cast iron bearing caps and tapered cone bearings on output shaft for extended service life
Tagered input shaft bearings for greater load-bearing capability versus needle-bearing designs
6-bolt mounting fits Eaton/Fuller, Volvo/Mack, Hino, and other popular manual transmissions
1-1/4" round output shaft with key; wire/cable or mechanical shift
Continuous operation capable with 30% de-rating
Tech Specs
- Intermittent Torque: 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Shift Type: Wire/Cable, Mechanical
- 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
- Output Shaft Type: 1-1/4" Round with key
- Mounting Type: 6-Bolt
- 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.
