The Chelsea 272RGKUP-B3XD is a 272 Series 6-bolt hot shift power take-off assembly. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into one platform, supporting up to 300 lb-ft of intermittent torque and 56+ HP of output power. It mounts via a 6-bolt pattern and is available with pneumatic or hydraulic shift. The series carries an integral air control valve, rotatable flanges, and a Wet-Spline option for extended PTO and pump shaft service life. A Smart-Start option is available for high-torque start-up conditions. Common applications include aerial work platforms, towing and recovery, water trucks, and construction equipment. Call us to confirm proper fit and shift configuration for your specific transmission.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Wet-Spline option for extended PTO and pump shaft life
Smart-Start option for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Options: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series was developed to consolidate and replace the 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single platform. The 272 Series offers nine speed ratios and eighteen shift options, making it one of the most application-flexible PTOs in the Chelsea line. Markets served include aerial, construction equipment, towing and recovery, water trucks, defense, material handling, and water drilling. The Smart-Start option addresses high-torque start-up demands, and the optional Wet-Spline output extends service intervals for the PTO and driven pump shaft. Part number 272RGKUP-B3XD is also referenced as SP272RGKUP-B3XD. Sold by Pro Gear and Transmission.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
