The Chelsea 221 Series Power Take-Off, part number 221ZEAHX-W3RD or 221ZEAHXW3RD, is a 6-bolt mounted PTO built around a cast iron housing with tapered cone output shaft bearings. The 221 Series carries an intermittent torque rating of 250 lb-ft and supports continuous operation with a 30% de-rating. Output options across the series include SAE A, SAE B, and ISO 7652 pump flanges as well as driveline configurations. Compatible transmission manufacturers for the 221 Series include Allison, Eaton/Fuller, and Volvo/Mack. The space-saving air shift cover is engineered for maximum clearance under the truck, making it well-suited to dump truck, tow and recovery, and aerial applications. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 221 Series Power Take-Off, part 221ZEAHX-W3RD or 221ZEAHXW3RD
6-bolt mounting configuration
Cast iron housing with tapered cone output shaft bearings for heavy load capacity
Intermittent torque rating: 250 lb-ft (339 Nm) - verify actual rating on application pages
Space-saving air shift cover for maximum under-truck clearance
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions across the series
Suited for dump truck, tow and recovery, and aerial equipment applications
Tech Specs
- Mounting Type: 6-Bolt
- Housing Material: Cast Iron
- Output Bearing Type: Tapered Cone
- Intermittent Torque: 250 lb-ft (339 Nm) - check application pages for actual rating
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
- Output Options (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable or Mechanical
- Transmission Compatibility (series): Allison, Eaton/Fuller, Volvo/Mack
- Series Status: Obsolete - no longer available from Parker Chelsea
