The Chelsea 660XRAHX-V3AF or 660XRAHXV3AF is a 660 Series Power Take-Off built for medium to heavy duty vocational applications. It mounts to most popular 6-bolt manual transmissions and features a cast iron housing with tapered cone bearings on the output shaft for durability under high load. The 660 Series carries an intermittent torque rating up to 375 lb-ft, with continuous operation supported at a 30% de-rating. Shift type for this series is wire/cable or mechanical. Compatible transmission manufacturers include Eaton/Fuller, Volvo/Mack, and others. The 660 Series supports output power of 56+ HP and covers a wide range of vocational uses including dump trucks, aerial devices, service trucks, and snow removal equipment. Call us to confirm proper fit for your application.
Features
Chelsea 660 Series PTO, part number 660XRAHX-V3AF or 660XRAHXV3AF
6-bolt mounting fits most popular manual transmissions including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on both input and output shafts
Intermittent torque capacity up to 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Output power rated at 56+ HP; shaft power 71 HP at 1,000 RPM
Wire/cable or mechanical shift options; suits aerial, dump truck, service truck, and snow removal applications
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other manual transmissions
- Intermittent Torque Capacity: Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 71 HP at 1,000 RPM; 107 HP at 1,500 RPM
- Housing Material: Cast iron
- Bearing Type: Tapered cone bearings on input and output shafts
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 660 Series is designed as an economical workhorse for demanding vocational duty cycles. Its one-piece gears support the high torque rating, and cast iron bearing caps add structural rigidity. The space-saving air shift cover maximizes clearance under the truck. The series offers 26 output options, including Chelsea's 360-degree rotatable flange for flexible pump positioning, four internal speed ratios, and ten shift configurations. Typical applications include blower and product pumps, aerial devices, dump trucks and trailers, service trucks, and snow and ice removal equipment. Parker documents for this series include the 660 Series Parts List (HY25-2660-M1_US) and the 660 Series Sales Literature, available from Parker Chelsea.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
