The Chelsea 660GSJAX-A5XD or 660GSJAXA5XD is a 660 Series Power Take-Off designed for most popular 6-bolt manual transmissions in medium to heavy duty service. The 660 Series features a cast iron housing with tapered cone bearings on the output shaft for high torque capacity, rated up to 375 lb-ft intermittent. Tapered bearings on the input shaft replace needle bearings for improved load handling. Compatible transmission manufacturers include Eaton/Fuller, Volvo/Mack, and others. The series supports continuous operation with a 30% de-rating, and shift options include wire/cable and mechanical actuation. Call us to confirm proper fit for your application.
Features
Chelsea 660 Series PTO, part number 660GSJAX-A5XD or 660GSJAXA5XD
6-bolt mounting for most popular manual transmissions
Cast iron housing with tapered cone bearings on the output shaft
Tapered input shaft bearings for greater load-bearing capability versus needle bearings
Intermittent torque capacity up to 375 lb-ft (508 Nm)
Shift options include wire/cable and mechanical actuation
Suited for aerial devices, dump trucks, service trucks, blower and product pumps, and snow and ice removal
Tech Specs
- Mounting Type: 6-Bolt
- Compatible Transmission Manufacturers: Eaton/Fuller, Volvo/Mack, Other
- Intermittent Torque Capacity: Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Options: Round Shaft (1-1/4" - 5/16" Key), SAE A (5/8" - 9T) Pump Spline, 3/4" - 11T Pump Spline, SAE BB (1" - 15T) Pump Spline, SAE B (7/8" - 13T) Pump Spline, SAE C (1-1/4" - 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Companion Flange
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Output Power: 56+ HP (51+ kW)
- Housing Material: Cast Iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 660 Series is a versatile PTO line offering 26 output options, four internal speed ratios, and ten shift configurations, including Chelsea's 360-degree rotatable flange for flexible pump positioning. Typical applications include aerial devices, dump trucks and trailers, service trucks, blower and product pumps, and snow and ice removal equipment. Relevant Parker Chelsea documentation for this series includes the 660 Series Parts List (HY25-2660-M1_US), the 660 Series Sales Literature, and the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, available through Parker Chelsea. Not sure this is the right PTO for your truck? Give us a call.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
