Description
FP400-10142 - AUTO SLACK ADJUSTER - 10 SPLINE, 1 1/2" - 5", 6"
PART NUMBER(S):
Fleet Products: FP400-10142 | OE: 40010142, A24-3275-J-1154, R806023 | Automann: 133.103, 133.1030, 135.1030
DESCRIPTION:
Model: ABA Automatic Slack Adjuster
Vehicles: Compatible with heavy-duty trucks and trailers equipped with 10-spline, 1 1/2" cam brake systems
• Spline Count: 10
• Camshaft Diameter: 1 1/2"
• Arm Length: 5", 6" (center-to-center)
• Body Angle: 34°
• Mount Type: Straight arm with 0° offset
• Clevis Pin Diameter: 5/8"
• Brake Type: Drum brake
• System Compatibility: ABS-compatible, heavy-duty drum systems
• Material: Forged steel arm, ductile nodular iron housing
• Lubrication: Factory-lubricated, Zerk fitting for optional greasing
• Technology: Automatic clearance-sensing adjuster; adjusts brake based on lining-to-drum gap
• Chamber Compatibility: Type 24/30 brake chambers (typical)
• Mounting Hardware: Includes slack adjuster, anchor bracket kit, and installation instructions
• Features: Self-adjusting, unhanded design, long-stroke compatible, uses standard clevis
Applications:
Designed for use in drive or trailer axle drum brake systems where a 10-spline, 1.5" cam with either 5" or 6" arm length is required. Commonly used on Freightliner, Volvo, Mack, and other Class 8 heavy-duty trucks and trailers. Ensures consistent brake stroke by automatically adjusting slack, enhancing braking performance and safety.
CROSS-REFERENCE(S):
40010142, 070-40010142, 409-10741, 40910741, HDX40010142, K041876, 1640523, 195-184, 195184, 10-400-10142, 1040010142, 506271, 808124, 808140, 808161, 808177, 808687, 809615, 814505, 815789, 815808, 818222, 818990, 819031, E-6923, E6923, E6923A, E-6923A, E6923B, E-6923B, GT-56142, GT56142, GTA-40010142, GTA40010142, HAL40010142, AS1031, AS1033, 400-10159, 400-10142, 40010159, 409-10102, 40910102, 409-10130, 40910130, 409-10226, 40910226, 40910239, 409-10239, 409-10293, 40910293, 409-10315, 40910315, 409-10316, 40910316, 409-10410, 40910410, 409-10411, 40910411, 409-10458, 40910458, 409-10533, 40910533, 409-10554, 40910554, 409-10564, 40910564, 409-10731, 40910731, 500-10142, 50010142, 509-10130, 50910130, 509-10226, 50910226, 509-10239, 50910239, 509-10533, 50910533, 509-10315, 50910315, 509-10564, 50910564, 509-10741, 50910741, 25QD260M2, 25DQ410P2, 5396-40010142, R806023, WA10142, 767653143385, 3946523, 3946754, 3946757, 808142, L3606, M-4057, M80723, MIR40010142, MIR-400-10142, S 400-10142, 400-10142C8T, MPGS-23851, ATX23851, 400-10142-RC, ATP23851, PPP2A032, 23851SS, VIP400-10142, 400-10142HTP, GTS23851, PS400-10142, TF 400-10142, PROSA56142, RB-10142, PL-10142, S-23851, S23851, SA10102, WBA07150A, EM50450A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Follow all OEM torque and alignment procedures
✔ Use only compatible clevis and 5/8" clevis pin
✔ Confirm spline match (10 teeth) before installation
✔ Ensure arm orientation and offset matches OE specs
✔ Lubricate via Zerk fitting where applicable
✔ Re-check automatic adjustment after initial brake applications
✔ Periodic inspections recommended for wear and stroke consistency
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