The Chelsea 272ZSJWX-A5XD is a 6-bolt hot shift Power Take-Off from the Chelsea 272 Series, designed for medium-duty applications including aerial, construction, towing and recovery, and water truck service. This unit supports pneumatic (air) or hydraulic PowerShift engagement and mounts with a 6-bolt pattern compatible with transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers. The output shaft is a 1-1/4" round shaft with a 5/16" keyway. The 272 Series carries a continuous torque rating up to 300 lb-ft (407 Nm) and an intermittent torque rating in the 201-300 lb-ft (401-500 Nm) range. Shaft power at 1,000 RPM reaches 57 HP (43 kW). Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Pneumatic (air) or hydraulic PowerShift engagement with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power output: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
Suited for aerial, construction, towing and recovery, and water truck service
Tech Specs
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Shift Type: Pneumatic (Air) or Hydraulic PowerShift; includes integral air control valve
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 300 lb-ft (407 Nm) - check application pages for actual torque ratings
- Shaft Power at 500 RPM: 29 HP (21 kW)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Output Power: 56+ HP (41-50 kW)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single, updated platform. The 272 Series offers nine speed ratios and 18 shift options. Direct mount configurations offer an optional Wet-Spline feature for extended PTO and pump shaft service life, while driveshaft output configurations can include the Smart-Start option for high-torque startup conditions. Rotatable flanges allow flexible installation. The 272ZSJWX-A5XD is sold by Pro Gear and Transmission. Call us to confirm the correct fit and configuration for your transmission and application.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
