The Chelsea 221 Series Power Take-Off, part number 221XCAJP-A5AK or 221XCAJPA5AK, is a heavy-duty PTO built around a cast iron housing with tapered cone output bearings for strong load-bearing capability. The 221 Series uses a 6-bolt mounting configuration and is compatible with transmissions from Allison, Eaton/Fuller, Volvo/Mack, and other manufacturers. Output options across the 221 Series include SAE A, SAE B, and SAE C pump flanges, as well as driveline configurations. The series is rated for intermittent torque up to 250 lb-ft and supports continuous operation with a 30% de-rating. Call us to confirm the exact output configuration and shift type for your application.
Features
Cast iron housing with tapered cone output bearings for heavy-duty load capacity
6-bolt mounting configuration
Compatible with Allison, Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Intermittent torque rating up to 250 lb-ft (339 Nm) for the 221 Series
Continuous operation supported with 30% de-rating
Multiple output options including SAE A, SAE B, SAE C pump flanges, and driveline
Tech Specs
- Mounting Type: 6-Bolt
- Housing: Cast Iron
- Output Bearing: Tapered Cone
- Intermittent Torque (Series): 250 lb-ft / 339 Nm
- Output Options (Series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Transmission Compatibility (Series): Allison, Eaton/Fuller, Volvo/Mack, Other
- Shift Type (Series): Wire/Cable or Mechanical
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
