The Chelsea 221 Series Power Take-Off, part number 221ZEAKX-M3XK or 221ZEAKXM3XK, is a 6-bolt mounted PTO built around a cast iron housing with tapered cone output shaft bearings. The 221 Series supports intermittent torque up to 250 lb-ft (339 Nm) and continuous operation with a 30% de-rating. Output options across the 221 Series include SAE A, SAE B, and SAE C pump flanges, driveline configurations, and a 360-degree rotatable flange. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, and other applications. The 221 Series is suited to low-speed, heavy-duty work including dump trucks, tow and recovery, and aerial equipment. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 221 Series Power Take-Off, part 221ZEAKX-M3XK or 221ZEAKXM3XK
6-bolt mounting configuration
Cast iron housing with tapered cone output shaft bearings for heavy load capability
Intermittent torque rating up to 250 lb-ft (339 Nm) across the 221 Series
Continuous operation supported with 30% de-rating
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions
Suited for dump truck, tow and recovery, and aerial equipment applications
Tech Specs
- Mounting Type: 6-Bolt
- Housing Material: Cast Iron
- Intermittent Torque (Series): 250 lb-ft (339 Nm) - check application pages for actual torque rating
- Continuous Operation: Yes, with 30% de-rating
- Output Options (Series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type (Series): Wire/Cable, Mechanical
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Other
- Output Shaft Power (Series): 24 HP at 500 RPM, 48 HP at 1000 RPM
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
