The Chelsea 221XCAJX-A3GA or 221XCAJXA3GA is a Power Take-Off from Chelsea's 221 Series, designed for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. The 221 Series uses a cast iron housing with tapered cone output bearings for strong load-bearing capability, mounted via a 6-bolt pattern. Intermittent torque rating for the series reaches 250 lb-ft (339 Nm), with output power up to 55 HP and shaft power rated at 24 HP at 500 RPM or 48 HP at 1,000 RPM. Compatible transmission manufacturers for the 221 Series include Allison, Eaton/Fuller, and Volvo/Mack. Call us to confirm the correct fit and shift configuration for your application.
Features
Chelsea 221 Series Power Take-Off Assembly
Cast iron housing with tapered cone output bearings for heavy-duty load capacity
6-bolt mounting pattern
Intermittent torque rating: 250 lb-ft (339 Nm) series-level
Output power up to 55 HP; shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, and Volvo/Mack transmissions
Shift options include wire/cable and mechanical; self-lube option available
Tech Specs
- Mounting Type: 6-Bolt
- Housing Material: Cast Iron
- Output Bearing Type: Tapered Cone
- Intermittent Torque (series): 250 lb-ft / 339 Nm
- Output Power (series): 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
- Shift Type: Wire/Cable or Mechanical
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack
- Output Options: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Continuous Operation: Yes, with 30% de-rating
Additional Information
The Chelsea 221 Series is listed as obsolete by Parker. Stock of part number 221XCAJX-A3GA may be limited. Contact Pro Gear and Transmission to verify availability and to confirm the correct replacement or equivalent part for your vehicle and transmission.Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
