Description
AIR DISC CARRIER – MAXX22T (LH, HENDRICKSON AXLE)
PART NUMBER(S):
Fleet Products: FP2555 | OE: 6402220050, 6402220070 | Automann: 158.6402220050
DESCRIPTION:
Model: Wabco MAXX22T (LH Carrier Only)
Engines: N/A
Vehicles: Hendrickson INTRAAX, VANTRAAX, ULTRAA-K, TRLAXLE Axles
• Side: Left-Hand (LH)
• Mounting Style: Radial mount (6 × M18 × 2.5 bolts)
• Rotor Compatibility: 415 mm OD, 43 mm new thickness
• Wheel Size: 22.5" or 24.5"
• ABS Integration: Compatible with WABCO 4S/4M, RSS, ECBS
• Material: Ductile iron (GGG cast)
• Compatible Calipers: FP6402220050WC-G, FP6402220050WCX
Applications:
Designed for MAXX22T caliper assemblies used on Hendrickson trailer axles with integrated suspension systems. Used in heavy-duty trailer configurations requiring high braking torque and reliability. Not for use on trucks or non-Hendrickson axle systems.
CROSS-REFERENCE(S):
6402220050, 6402220070, 158.6402220050, S-35303-7, S-35973-L, BADC09L, 158197322TL, S353037, S35973L, 99B90067-1
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:
✔ Use only on LH side of Hendrickson axles equipped with Wabco MAXX22T calipers
✔ Mount with 6 × M18 × 2.5 bolts; torque to OEM spec
✔ Ensure rotor compatibility: 415 mm OD / 43 mm new / 37 mm min thickness
✔ Replace both LH and RH caliper carriers together for consistent performance
✔ Pad set PE1777HK sold separately
✔ Confirm suspension system is MAXX22T-compatible (e.g., INTRAAX, VANTRAAX, ULTRAA-K)
✔ Not compatible with trucks, other axles, or PAN22/MAXXUS systems
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