The Chelsea 221 Series Power Take-Off, part number 221XCAKP-M6AZ or 221XCAKPM6AZ, is a 6-bolt mounted PTO built around a cast iron housing with tapered cone output bearings for heavy-duty, low-speed applications. The 221 Series supports output options including SAE A, SAE B, and SAE C pump flanges, ISO 7652 pump flanges, and driveline configurations, giving it broad versatility across dump truck, tow and recovery, and aerial equipment work. Shift options include wire/cable and mechanical types. The series carries an intermittent torque rating of 250 lb-ft (339 Nm), with output power up to 48 HP at 1,000 RPM. Compatible transmissions span Allison, Eaton/Fuller, and Volvo/Mack platforms. Note: Parker Chelsea lists the 221 Series as obsolete. Call us to confirm availability and application fit.
Features
Cast iron housing with tapered cone output bearings for high load capacity
6-bolt mounting configuration
Intermittent torque rating: 250 lb-ft (339 Nm) series-rated
Output power: 48 HP at 1,000 RPM (series characteristic)
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions
Shift options: wire/cable and mechanical
Output configurations include SAE A, SAE B, SAE C pump flanges and driveline
Tech Specs
- Mounting Type: 6-Bolt
- Housing Material: Cast Iron
- Intermittent Torque Rating (series): 250 lb-ft / 339 Nm
- Output Power (series): 48 HP at 1,000 RPM / 36 kW at 1,000 RPM
- Shift Type: Wire/Cable or Mechanical
- Output Options: SAE A Pump Flange, SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack
- Series Status: Obsolete (Parker Chelsea)
