Shandong Keystone Hydraulic Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days |
| Packaging Details | Wooden boxes and cartons |
| Product name | FM45 quantify motor |
| Application | various industries, construction, manufacturing, mining, transportation |
| Usage | Hydraulic Piston Pump |
| Power | Hydraulic |
| Fuel | hydraulic oil |
| Structure | Piston Pump |
| Standard or nonstandard | Standard |
| Material | Cast Iron |
| Color | according to customer's requirement,customize,black,Transparent |
| Warranty | 1 Year,12 Months |
| Type | Hydraulic Motors |
| Feature | High Efficiency,Long Life,High quality |
| Brand Name | KERSTERN |
| Model Number | FM45 |
| Certification | SIO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days | Packaging Details | Wooden boxes and cartons |
| Product name | FM45 quantify motor | Application | various industries, construction, manufacturing, mining, transportation |
| Usage | Hydraulic Piston Pump | Power | Hydraulic |
| Fuel | hydraulic oil | Structure | Piston Pump |
| Standard or nonstandard | Standard | Material | Cast Iron |
| Color | according to customer's requirement,customize,black,Transparent | Warranty | 1 Year,12 Months |
| Type | Hydraulic Motors | Feature | High Efficiency,Long Life,High quality |
| Brand Name | KERSTERN | Model Number | FM45 |
| Certification | SIO9001 | Place of Origin | China |
| High Light | Crane high torque hydraulic pump ，345 Bar high torque hydraulic pump ，high speed hydraulic drive motor | ||
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.
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.
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.
| Parameter | Value |
|---|---|
| Model Number | FM45 Hydraulic Motor |
| Application | Crane Hydraulic Drive |
| Displacement | 45ml/r |
| Rotation Direction | Bi-directional |
| Rated Speed | 3300 rpm |
| Maximum Speed | 34100 rpm |
| Rated Pressure | 290 bar |
| Maximum Pressure | 345 bar |
| Mounting Flange | SAE B Flange, Ø101.6 mm |
| Output Shaft | SAE 15T Spline, 16/32DP |
| Main Oil Port | 1-1/16-12UN-2B |
| Return Port | 7/8-14UNF-2B |
| Testing Port | M12×1.5 |
| Flush Valve | Equipped with dual 2×1.4 mm orifices |
Material Selection – High-strength cast iron ensures durability.
Precision Machining – CNC machining guarantees accuracy.
Heat Treatment – Enhances hardness and wear resistance.
Assembly – Strict process ensures reliability and quality.
Testing – High-pressure and performance testing to meet ISO standards.
Surface Protection – Anti-corrosion coating extends service life.
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.
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.
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.
Company Details
Business Type:
Manufacturer
Year Established:
2019
Total Annual:
5000000-6000000
Employee Number:
>55
Ecer Certification：
Verified Supplier
Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw... Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw...
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