FM45 Hydraulic Motor for Crane Hydraulic Drive – High Performance & Reliability

The FM45 hydraulic motor is a high-performance power solution designed exclusively for crane hydraulic drive systems. With a maximum speed of 34100 rpm and a maximum pressure of 345 bar, it is engineered to meet the demanding needs of lifting, rotating, and heavy-load operations. Its advanced design ensures smooth operation, long service life, and maximum efficiency, making it the ideal choice for modern crane applications where reliability and safety are paramount.

Applications

• Cranes: Hydraulic drive systems for lifting, slewing, and telescoping functions.

• Tower Cranes: High torque and precision for heavy-duty construction environments.

• Mobile Cranes: Compact integration into hydraulic systems with high power density.

• Port Cranes: Reliable operation under continuous heavy load and harsh working conditions.

Advantages

• High Speed Performance: Supports speeds up to 34100 rpm for dynamic crane operations.

• High Pressure Resistance: Maximum system pressure of 345 bar ensures stable performance.

• Durability: Made of premium cast iron, resistant to wear and corrosion.

• Energy Efficiency: 95% volumetric efficiency reduces energy consumption.

• Compact Design: Easy integration into crane hydraulic systems with minimal space requirements.

• Low Noise Operation: Designed for better operator comfort in construction sites and ports.

• Easy Maintenance: Simple structure allows fast inspection and servicing.

Technical Specifications

Manufacturing Process

1. Material Selection – High-strength cast iron ensures durability.

2. Precision Machining – CNC machining guarantees accuracy.

3. Heat Treatment – Enhances hardness and wear resistance.

4. Assembly – Strict process ensures reliability and quality.

5. Testing – High-pressure and performance testing to meet ISO standards.

6. Surface Protection – Anti-corrosion coating extends service life.

Usage Instructions

• Fill the motor housing with clean hydraulic oil before first operation.

• Maintain hydraulic oil cleanliness according to ISO 4406 (22/18/13).

• Ensure oil return pressure does not exceed 0.52 MPa.

• Do not allow combined pressure at ports A and B to exceed 70 MPa.

• Regularly replace filters and check seals for leakage.

After-Sales Service

• Warranty: 12 months from the date of delivery.

• Technical Support: Professional guidance for installation and operation.

• Spare Parts: Genuine components available with fast delivery.

• Repair Services: Global service network for quick problem resolution.

FAQ

Q1: Is the FM45 suitable for applications other than cranes?
A1: No, it is designed specifically for crane hydraulic drive systems.

Q2: What type of hydraulic oil should be used?
A2: Use ISO VG46 or VG68 hydraulic oil with NAS 9 cleanliness or better.

Q3: Can the FM45 motor handle continuous heavy-duty lifting operations?
A3: Yes, it is engineered for high-load and continuous crane operations.