MA15500-G | *New* Lucas Hydraulic Maxi Brake 101 H-Series

LUCAS MAXIBRAKE MA15500-G HYDRAULIC SPRING PARKING BRAKE CHAMBER

PART NUMBER(S):
Haldex: MA15500, MA15500X (Reman)
Ford: F6HT-2B651-AA, F6HZ-2225-AA, F8HZ-2225-AB
Meritor: R476120, R476120X
Midland: MA15500, MA15500X

DESCRIPTION:
Model: MA15500-G Hydraulic Maxi Brake
Vehicles: Ford LN/LNT-Series, FT, B-Series, C-Series, L, LT, LTS trucks

• Hydraulic spring-applied parking brake with integrated service brake
• Rod stroke: 2.00" (51 mm), 1.75-12 UN thread, 105 mm length
• Chrome-plated, cut-to-fit push rod with 5/8-18 UNF thread
• Steel piston with nylon bearing to reduce lateral drag
• Epoxy-coated power spring for corrosion resistance
• Chamber diameter: 127 mm, straight band clamp, 0° offset
• Max operating pressure: 125 PSI hydraulic
• Port: 3/8-18 NPTF hydraulic inlet
• Compatible with ATF only (not brake fluid)

Applications:
Designed for medium-duty Ford vocational vehicles using Lucas Girling or Haldex hydraulic brake systems. Common on trucks requiring spring-applied parking brake + hydraulic service braking. Also compatible with trailer hydraulic braking systems with 5" brake shoes and matching backing plates.

CROSS-REFERENCE(S):

KSH101E, KSH101ES005, KSH101A, KSH101AX, KSH101F, KSH101H, MA15502, MA15502X, MA15510, MAX15500, MAX15500X, MAX15502, MAX15502X, E4HT-2B651-AC, E6HT-2B651-AA, E6HZ-2225-E, F6HT-2B651-AA, F6HZ-2225-AA, 767653016313, N36000X, KSH101E-NEW, KSH101E-REM, 070-MA15500, 070-MA15502, 15500G, 15500GX, 15500, 15500X, MA15500G, MA15500GX, MA15502G, MA15502GX, P-68137, HDXMA15500, HDXMA15500X, UBA15500, MA15501, ZZMA15500, E6120, E6HT2B651AB, U40MA15500, 179.MA15500, 5396-MA15500, 767653016306, HDX MA15500, KSH101E-S, MBIMA15500, MIDMA15500, R426120X, E-6120

A cross-reference listing means this part may replace the listed numbers. Validate all dimensions before installation.

IMPORTANT INSTALLATION NOTES:
✔ Use only ATF – never DOT brake fluid
✔ Torque mounting studs: 125–150 lb-ft
✔ Adjust push rod length to OEM spec before installation
✔ Bleed all trapped air via bleeder ports before activation
✔ Confirm 5/8-18 UNF push-rod thread matches your clevis/yoke
✔ Ensure 3/8-18 NPTF port is sealed correctly
✔ Replace in axle pairs for balanced performance
✔ Follow OSHA lockout/tagout procedures during service

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