The Chelsea 660XQAHX-A5RE or 660XQAHXA5RE is a 660 Series Power Take-Off built for medium to heavy duty applications on most popular 6-bolt manual transmissions from Eaton/Fuller, Volvo/Mack, and other manufacturers. The 660 Series carries an intermittent torque rating up to 375 lb-ft and supports continuous operation with a 30% de-rating. Its cast iron housing and tapered cone bearings on the output shaft deliver long service life under demanding loads. Shift options include wire/cable and mechanical actuation. Output configurations across the 660 Series span SAE A, SAE B, and ISO 7652 pump flanges plus driveline outputs, with four internal speed ratios available. Typical applications include aerial devices, dump trucks, service trucks, blower and product pumps, and snow and ice removal equipment. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 660 Series Power Take-Off for 6-bolt manual transmissions
Intermittent torque capacity up to 375 lb-ft (508 Nm)
Cast iron housing with tapered cone bearings on output shaft
Tapered bearings on input shaft for greater load-bearing capability over needle bearing designs
Shift options: wire/cable and mechanical actuation
Output options include SAE A, SAE B, ISO 7652 pump flanges, and driveline configurations
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Intermittent Torque: Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- 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
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other popular 6-bolt manual transmissions
- Lubricant: No Pressure Lube (X designation)
- Housing: Cast iron
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
