The Chelsea 272 Series power take-off assembly, part number 272LSFNX-A5BD or 272LSFNXA5BD, is a 6-bolt hot shift PTO designed for medium-duty applications in aerial, construction, towing and recovery, and water truck markets. Part of Chelsea's 272 Series, this family supports intermittent torque ratings of 201 to 300 lb-ft and continuous output power of 56+ HP. The series offers hydraulic or pneumatic shift options with an integral air control valve, and rotatable flanges for flexible installation. The 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 PTO lines into a single versatile platform. Available output shaft configurations include a round shaft with 1-inch diameter and 1/4-inch key, or a round shaft with 1-1/4-inch diameter and 5/16-inch key. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for medium-duty hot shift applications
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP (41 to 50 kW)
Hydraulic or pneumatic (air) shift with integral air control valve
Rotatable flanges for flexible installation orientation
Consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 series PTOs
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Options: Round Shaft, 1 in. diameter with 1/4 in. key; Round Shaft, 1-1/4 in. diameter with 5/16 in. key
- Integral Air Control Valve: Yes
- Rotatable Flanges: Yes
Additional Information
The Chelsea 272 Series replaces and consolidates six earlier Chelsea PTO lines: the 230, 231, 236, 238, 270, and 271 series. The 272 Series platform offers nine speed ratios and eighteen shift options, making it one of the most configurable medium-duty hot shift PTOs available. Direct-mount output configurations are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, designed for high-torque start-up conditions. Markets served include aerial, construction equipment, towing and recovery, water trucks, material handling, defense, and water drilling. Part number 272LSFNX-A5BD is also referenced as SP272LSFNX-A5BD. NMFC classification: 128520, Hydraulic PTOs, Pumps, Motors, etc.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
