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Parameters:
OEM Part No.: 30HB-511400
Product Type: Forklift Hydraulic Brake Master Cylinder
Applicable Equipment: 3 Ton Internal Combustion Hangcha Forklift
Applicable Position: Below forklift cab pedal, main pressure output component of brake oil circuit
Core Measured Dimension Specifications
1. Cylinder Inner Bore Diameter: 25.4mm
2. Center Distance Between Two Oil Outlets: 42mm
3. Center Distance of Mounting Holes: 85mm
4. Maximum Piston Stroke: 34mm
5. Oil Reservoir Port Thread: Standard M16
Material: Die-cast aluminum housing, precision 45# steel piston, oil-resistant nitrile rubber cups, 65Mn return spring
Technology: Integral die casting, mirror honing of inner cavity, precision thread machining, seal press fitting, factory pressure leakage test
Performance: Withstand 12MPa hydraulic pressure, zero oil leakage, smooth piston rebound, anti-corrosion, stable brake pressure output
Applicable Faults: Soft brake pedal, insufficient braking when pedal fully depressed, master cylinder oil seepage & leakage, brake pressure loss, slow pedal return, delayed braking response
Introduction:
Brake master cylinder OEM 30HB-511400 is the core pressure supply component of hydraulic brake system for 3-ton Hangcha forklift. Pushing the brake pedal drives the piston to squeeze brake fluid and transmit hydraulic pressure to wheel brake cylinders for braking. After long service, the original master cylinder suffers aging sealing cups, worn inner cavity and weakened spring force, causing oil seepage, soft brake pedal, pressure loss and insufficient braking; serious leakage may lead to brake failure with safety risks. This brake master cylinder adopts original standard mounting size, mirror-honed inner cavity to reduce piston wear, equipped with long-life high-pressure seals and passed factory hydraulic leakage inspection. It fits all series 3-ton Hangcha forklifts. After installation, stable brake pressure and clear pedal feedback are guaranteed, which can well protect wheel cylinders, brake hoses and brake shoes, being an essential original spare part for brake system maintenance of 3-ton Hangcha forklift.