Description
FP2524 – FIFTH WHEEL AIR CYLINDER
PART NUMBER(S):
Fleet Products: FP2524 | OE: XA-2524-R, XA-2524-R-13-4, XA12057 | Automann: KP2524 (if available, else blank)
DESCRIPTION:
Model: Fifth Wheel Air Cylinder – Holland Style
Vehicles: Compatible with heavy-duty trucks and tractors using Holland and Holland-style fifth wheels
• Function: Air-actuated release cylinder for fifth wheel coupling/uncoupling
• Extended Length: 19.65"
• Retracted Length: 12.75"
• Stroke Length: 6.77"
• Bore Diameter: 2.5"
• Port Size: 1/4" NPT
• Material: Corrosion-resistant, non-welded body with moisture-resistant seals
• Design Compatibility: For SAF-Holland XA-2524-R series and equivalent Holland-style top plates
• System Integrity: Built to withstand harsh environments, frequent cycling, and all-weather operation
• Performance: Meets or exceeds OEM standards for durability, fit, and pressure response
• Technology: Compatible with compressed air brake systems; ensures proper locking function via actuator engagement
• Replacement Type: Direct-fit for terminal tractor fifth wheels and others using XA-2524-R air cylinders
Applications:
Used in fifth wheel release mechanisms on trucks and tractors equipped with SAF-Holland or Holland-style fifth wheels, including the XA-351-TT terminal tractor. Allows controlled trailer coupling/uncoupling via air actuation. Ensures safe and efficient trailer handling in daily fleet operations.
CROSS-REFERENCE(S):
FP2524, XA-2524-R, XA2524R, XA-2524-R-13-4, 2524P, HOLXA-2524-RB, PK-2524-R, R2524R, RK2524R16L, XA11713, XA-12057, 370-XA12057, XA12057, HLD XA 12057, HOLXA-12057, 3889-XA12057, HLXA-12057, HOHXA12057, SAFRK11713, RK11713, HOHRK11713
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Review SAF-Holland and Fontaine service manuals before removing or installing the cylinder
✔ Disconnect air supply and depressurize the system fully prior to disassembly
✔ Remove old cylinder per official OEM sequence; inspect bracket and locking lever for wear
✔ Align new cylinder carefully to prevent side loading and misalignment during actuation
✔ Connect 1/4" NPT air lines and secure mounting hardware to specified torque
✔ Lubricate rod and seals; avoid contamination of shaft during installation
✔ Test coupling/release cycle to ensure smooth function and full lock engagement before vehicle use
✔ Replace exhaust valve if necessary (recommended part: Fontaine KIT-AA-VLV)
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