Description
FP400-10144 - AUTO SLACK ADJUSTER - 28 SPLINE, 1 1/2" - 6"
PART NUMBER(S):
Fleet Products: FP400-10144 (New) | Replaces OE: Automann 133.2832, 135.2832, 1332832, 1351031, AM1332832 | Dayton 05-659, 05659 | BWP M-4056 | Euclid E-6918, E6918, E-6918A, E6918A, E17501 | Haldex 40010144, HA40010144, HDX40010144, 40910678 | Leland L3608, L-3608 | Meritor R806016, R806016A, M807016, 8235M807016, 8235R806016A, TDAM807016, TDAR806016A | Sirco Brake SA10144 | Armada BR10144 | Fleetpride OTR10144 | Eaton 808113, 808149, 808163, 815792, 815811 | Mack 25QD412, 25QD49, 25QDA259P7, 25QDA340, 25QD259P7, 25QD340P6 | Macpek SA2200HCM | Provincial Whse -CAN M3884ASS, M3970, M39702 | TW Heavy Vehicle Pts 40010144 | Trailmobile 386918A
DESCRIPTION:
Model: Automatic Slack Adjuster
Vehicles: Compatible with Mack Truck Applications (with 3" and longer camshaft tubes) drum brake-equipped heavy-duty vehicles, including Freightliner, Mack, Volvo, and trailer axles
• Spline Size: 28 teeth
• Camshaft Diameter: 1 1/2"
• Arm Length: 6" (center-to-center)
• Arm Hole Diameter: 1/2"
• Mounting Style: Clamp-style anchor (straight arm)
• Mounting Hole Center: 6"
• Mount Offset: 0°
• Body Angle: 180°
• Brake Type: Drum brake
• Clevis Compatibility: Fits all major clevis types
• Piston Color: Yellow piston
• Material: Heat-treated forged steel
• Lubrication: Factory sealed with zerk fitting port (if required)
• Automatic (self-adjusting)
• Built-in installation indicator
• Factory-sealed worm wheel
• Long-stroke compatible
CROSS-REFERENCE(S):
400-10144, A41-3275-Z-1144, 10-400-10144, 40920006, 40020243, ZZ40020243, M808006, 070-40010144, ZSA40010144, 50420, 409-10678, 1040010144, 973649, GTA-40010144, GTA40010144, AS1041, AS1141, 409-10070, 40910070, 409-10167, 40910167, 409-10288, 40910288, 409-10443, 40910443, 409-10505, 40910505, 409-10579, 40910579, 500-10144, 509-10070, 50910070, 509-10443, 50910443, 509-10579, 50910579, 509-10678, 5090678, KSA10144, WA10144, PL-10144, PL101144, RB-10144, RB10144, 767653143408, VTC-38532, A86016, WBA07130A, MIR40010144, MIR-400-10144, S23853, 400-10144C8T, MPGS-23853, ATX23853, 400-10144-RC, ATP23853, 23853SS, VIP400-10144, 400-10144HTP, GTS23853, PS400-10144, TF400-10144, HSA5042, HSA50420, EM50420, PROSA56144, MID40010144, HDV10144, 0000-HDV10144, 1044P
A cross-reference listing means this part may be a compatible replacement for these part numbers
IMPORTANT INSTALLATION NOTES:
✔ Always install per OEM and manufacturer documentation
✔ Use proper torque specs during installation
✔ Ensure 6" straight arm orientation and accessible zerk fitting
✔ Verify spline and camshaft fit before securing clamp mount
✔ Lubricate if required—some models are permanently sealed
✔ Check installation indicator and brake stroke upon setup
✔ Use correct clevis pin and ensure full adjuster return after brake application
✔ Periodic inspection recommended to ensure continued functionality
Warranty Information
