The Chelsea 541 Series Power Take-Off, part number 541-NAV-A-XK or 541NAVAXK, is a rear-mount PTO designed for Eaton Fuller transmissions, including Advantage and UltraShift Series models with a Thrushaft opening. The 541 Series mounts to the rear countershaft using only three fasteners with no backlash adjustment required. The cast iron housing supports intermittent torque ratings up to 400 lb-ft. Output options for this series include an SAE B pump flange with 7/8-inch, 13-tooth pump spline, and a 1410 Series companion flange for driveline applications. Shift options across the 541 Series include lever, pneumatic, and mechanical. Typical applications include dump trucks, aerial devices, tow and recovery, and service trucks. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 541 Series rear-mount PTO for Eaton Fuller transmissions, including Advantage and UltraShift Series
Thrushaft design installs with three fasteners and requires no backlash adjustment
Intermittent torque capacity up to 400 lb-ft for the 541 Series
Output options: SAE B pump flange with 7/8-inch 13-tooth spline, or 1410 Series companion flange
Shift types available: lever, pneumatic, and mechanical
Suited for dump trucks, aerial devices, tow and recovery, and service truck applications
Tech Specs
- Mounting Type: Rear Mount - Rear Countershaft
- Transmission Compatibility: Eaton Fuller (Advantage and UltraShift Series with Thrushaft opening)
- Intermittent Torque Rating: Up to 400 lb-ft (542 Nm)
- Output Shaft Type: SAE B - 7/8 inch, 13-tooth pump spline
- Output Options: SAE B Pump Flange, 1410 Series Companion Flange
- Shift Types: Lever, Pneumatic, Mechanical
- Continuous Operation: Yes, with 30% de-rating
- Series Output Power: 56+ HP / 51+ kW
Additional Information
The Chelsea 541 Series is listed by Parker as an obsolete series, meaning it is no longer in current production. Buyers requiring this part for an existing installation should confirm compatibility with their specific Eaton Fuller transmission model before ordering. Pro Gear and Transmission can help you verify fitment - give us a call.Parts Manual: Chelsea 541 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
