The Chelsea 221 Series Power Take-Off, part number 221ZEAHX-W5XK or 221ZEAHXW5XK, is a 6-bolt mounted PTO built for low-speed, heavy-duty truck applications including dump trucks, tow and recovery, and aerial equipment. The 221 Series features a cast iron housing with tapered cone output bearings for strong load-bearing capability, and an intermittent torque rating of 250 lb-ft. The series accommodates multiple transmission manufacturers including Allison, Eaton/Fuller, and Volvo/Mack. Output options span SAE A, SAE B, and SAE C pump flanges plus driveline configurations, and shift types include wire/cable and mechanical. Parker Chelsea lists the 221 Series as obsolete; confirm availability and application fit by calling Pro Gear and Transmission before ordering.
Features
Chelsea 221 Series PTO, part number 221ZEAHX-W5XK or 221ZEAHXW5XK
6-bolt mounting configuration
Cast iron housing with tapered cone output bearings
Intermittent torque rating: 250 lb-ft (339 Nm)
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions
Shift types: wire/cable and mechanical
Note: Parker Chelsea lists the 221 Series as obsolete; call to confirm availability
Tech Specs
- Mounting Type: 6-Bolt
- Housing Material: Cast Iron
- Output Bearing Type: Tapered Cone
- Intermittent Torque: 250 lb-ft (339 Nm)
- Output Power: Up to 48 HP at 1000 RPM (36 kW)
- Shift Type: Wire/Cable or Mechanical
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack
- Output Options: SAE A Pump Flange, SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Options: Round Shaft (1-1/4" - 5/16" Key), Tapered Shaft (1-1/4" w/ Keyway), SAE A (5/8" - 9T), SAE B (7/8" - 13T), SAE BB (1" - 15T), SAE C (1-1/4" - 14T)
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
- Series Status: Obsolete (Parker Chelsea)
