The Chelsea 272NAHVP-D3RK is a 6-bolt medium-duty hot shift power take-off from the Chelsea 272 Series. The 272 Series consolidates earlier Chelsea PTO lines into a single platform, offering nine speed ratios and eighteen shift options in hydraulic or air shift configurations. Intermittent torque capability reaches 300 lb-ft, and the series supports output power above 56 HP. Output shaft options within the 272 family include a 1-inch round shaft with 1/4-inch key and a 1-1/4-inch round shaft with 5/16-inch key. The 272 Series also incorporates an integral air control valve and is used across aerial, construction, towing and recovery, and water truck applications. Available from Pro Gear and Transmission.
Features
6-bolt mounting configuration
Hot shift operation with hydraulic or air shift options
Intermittent torque capability up to 300 lb-ft (401-500 Nm)
Output power exceeding 56 HP
Integral air control valve included
Compatible with aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Options: 1" Round Shaft with 1/4" Key; 1-1/4" Round Shaft with 5/16" Key
- Speed Ratios Available (Series): 9
- Shift Options Available (Series): 18
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 PTO lines into a single medium-duty platform. Direct mount configurations include an optional Wet-Spline feature for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, designed for high-torque start-up conditions. The 272 Series is used across aerial, construction equipment, towing and recovery, water truck, defense, and material handling markets.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
