Product Description
Wheel cylinder
Specifications
Product Overview
| Part Number | 380050-051 |
Physical Specifications
| Component Type | Brake Wheel Cylinder |
| Fluid Medium | Brake Fluid (ISO 4572) |
| Seal Type | Internal elastomer seals |
| Material Construction | Cast iron or aluminum cylinder bore |
| Piston Design | Precision-machined with hardened surfaces |
| Corrosion Resistance | Standard industrial-grade protection |
| Typical Service Life | 5-10 years under normal duty |
| Failure Indicators | Soft brake pedal, brake fluid loss, partial braking |
Compatibility
| Cylinder Function | Hydraulic brake actuator for drum/shoe brake systems |
| Brake System Type | Drum or Shoe Brakes |
Frequently Asked Questions
Q: What role does the 380050-051 wheel cylinder play in forklift braking?
A: The wheel cylinder is a hydraulic actuator that converts brake fluid pressure into linear motion to engage brake shoes or pads against the wheel. When brake pedal pressure increases, fluid flows into the cylinder, pushing pistons and friction material against the wheel rim or drum. Cylinder failure causes brake loss or partial braking.
Q: Which forklift brands use the 380050-051 wheel cylinder?
A: This wheel cylinder is compatible with Crown, Toyota, Raymond, Yale, Clark, and Mitsubishi forklifts equipped with drum or shoe brakes. Cylinder bore size and mounting configuration vary by equipment model. Verify equipment model, wheel size, and brake system type before ordering to ensure correct fitment.
Q: What causes wheel cylinder failure or internal leakage?
A: Cylinders fail due to internal seal degradation, piston corrosion, or scoring of the cylinder bore. Brake fluid contamination with water or dirt accelerates wear. Signs of failure include soft brake pedal, brake fluid loss, or one wheel that does not brake properly. Internal leakage prevents pressure buildup and causes loss of braking force at that wheel.
Q: How long does a wheel cylinder last?
A: Wheel cylinder service life depends on brake usage intensity and fluid maintenance. Most cylinders function 5 to 10 years under normal duty. Frequent braking, exposure to moisture, or use of contaminated brake fluid reduces lifespan to 2 to 5 years. Replace cylinders when internal leakage is detected or brake fluid loss occurs to maintain stopping ability and safety.