The Chelsea 221 Series Power Take-Off, part number 221XCAJX-W6XK or 221XCAJXW6XK, is a 6-bolt mounted PTO built around a cast iron housing with tapered cone output shaft bearings for heavy-duty load capacity. The 221 Series supports intermittent torque ratings up to 250 lb-ft (339 Nm) and delivers up to 48 HP at 1,000 RPM through its output. Shift type is Wire/Cable or Mechanical. Compatible transmissions include Allison, Eaton/Fuller, and Volvo/Mack platforms. Output options include SAE A, SAE B, and SAE C pump flanges, driveline, and round or tapered shaft configurations. The space-saving air shift cover maximizes clearance under the truck. Sold by Pro Gear and Transmission. Call us to confirm the correct fit for your application.
Features
Chelsea 221 Series, 6-bolt mounting configuration
Cast iron housing with tapered cone output shaft bearings
Intermittent torque rating up to 250 lb-ft (339 Nm)
Output power up to 48 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions
Wire/Cable or Mechanical shift type; multiple SAE flange and shaft output options
Tech Specs
- Height: 8.38 in.
- Width: 10.38 in.
- Length: 14.25 in.
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque: Up to 250 lb-ft (339 Nm)
- Output Power: Up to 48 HP at 1,000 RPM
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack
- Output Options: SAE A, SAE B, SAE C Pump Flange; Driveline; Round Shaft (1-1/4 in. - 5/16 in. Key); Tapered Shaft (1-1/4 in. w/ Keyway); SAE A (5/8 in. - 9T) Pump Spline; SAE B (7/8 in. - 13T) Pump Spline; SAE BB (1 in. - 15T) Pump Spline; SAE C (1-1/4 in. - 14T) Pump Spline
- Housing Material: Cast Iron
- Series: Chelsea 221 Series (Parker Chelsea)
Additional Information
The Chelsea 221 Series is listed by Parker as an obsolete series, meaning it is no longer in current production. Pro Gear and Transmission may still carry stock or source this part for fleet and service needs. Call us to verify availability for part number 221XCAJX-W6XK and to confirm fit with your specific transmission and application.Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
