The Chelsea 524XVASX-V-XY or 524XVASXVXY is a rear mount Power Take-Off assembly designed specifically for Volvo I-Shift transmissions. Part of the Chelsea 524 Series, this PTO uses the rear mount aperture to help eliminate clearance issues that can occur with standard side-mount configurations. The compact two-gear housing integrates six shift options internally, saving space in the drivetrain bay. Shift type is pneumatic, and the unit features a quick-assembly sealed bayonet connector for the indicator switch. The 524 Series is rated for intermittent torque up to 407 lb-ft and delivers 49 to 57 HP at 100 RPM output shaft speed. Output shaft conforms to DIN 5462 spec. Call us to confirm proper fit for your specific Volvo application.

• Mounting Type: Rear Mount
• Shift Type: Pneumatic
• Output Shaft Type: DIN 5462 / 4-Bolt DIN 5462
• Intermittent Torque Rating: 407 lb-ft
• Continuous Torque: De-rate 30% from intermittent rating (see application pages for actual torque ratings)
• Output Power: 49 to 57 HP at 100 RPM output shaft speed
• Transmission Compatibility: Volvo I-Shift (this part number)
• Mounting Option: ISO 7653 80mm x 80mm Mount
• Lubricant: Dry Spline
• Part Number: 524XVASX-V-XY or 524XVASXVXY

The Chelsea 524 Series Rear Mount PTO is designed to address clearance constraints common in modern vocational truck installations. By utilizing the rear mount aperture on compatible transmissions, the compact two-gear housing keeps the unit tight to the transmission without encroaching on surrounding chassis components. Input adapters in the 524 Series are available for Volvo I-Shift, ZF, Mack mDrive, and Eaton Endurant transmissions. This part number, 524XVASX-V-XY, is specifically configured for the Volvo I-Shift. Typical applications for the 524 Series include fire apparatus, aerial work platforms, refuse trucks, tippers, and sewer and sanitation equipment. The 512/524 Series Owners Manual covering Volvo and Mack applications is available from Parker Chelsea as document HY25-1501V-M1_US. Contact Pro Gear and Transmission to verify this assembly is the correct configuration for your truck and hydraulic system.