The Chelsea 272 Series Power Take-Off Assembly, part number 272XDESX-V5XD or 272XDESXV5XD, is a 6-bolt hot shift PTO designed for medium-duty work truck applications including aerial, construction equipment, towing and recovery, and water trucks. The 272 Series delivers up to 300 lb-ft of intermittent torque and offers both pneumatic and hydraulic shift options with an integral air control valve. Nine speed ratios and 18 shift configurations give this unit broad flexibility across direct-mount and driveshaft output setups. Output shaft options 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 series also supports an optional Wet-Spline configuration for extended PTO and pump shaft life. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for medium-duty hot shift applications
Up to 300 lb-ft intermittent torque capacity (201-300 lb-ft range)
Available with pneumatic or hydraulic shift; integral air control valve included
Nine speed ratios and 18 shift options for broad drivetrain compatibility
Output shaft options: 1-inch round with 1/4-inch key or 1-1/4-inch round with 5/16-inch key
Optional Wet-Spline technology for extended PTO and pump shaft service life
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: 1-inch round shaft (1/4-inch key); 1-1/4-inch round shaft (5/16-inch key)
- Speed Ratios: 9 available
- Shift Configurations: 18 available
- Lubricant Options: No Pressure Lube, Pressure Lube, or Wet Spline
- NMFC Code: 128520 (Hydraulic PTOs, Pumps, Motors)
Additional Information
The Chelsea 272 Series consolidates several earlier Chelsea PTO lines, including the 230, 231, 236, 238, 270, and 271 Series, into a single versatile platform. Direct-mount configurations support the optional Wet-Spline interface for longer component life, while driveshaft output configurations are compatible with the Smart-Start option for high-torque engagement conditions. The 272 Series is suited for aerial, construction equipment, defense, material handling, water drilling, towing and recovery, and other mobile equipment markets. Parker documentation for this series includes the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
