JNM Series Radial Piston Hydraulic Motors
Short Description:
JNM Series radial piston hydraulic motors deliver low-speed high-torque output for winches, drilling rigs, marine deck machinery and industrial hydraulic drives.
JNM Series radial piston hydraulic motors deliver low-speed high-torque output for winches, drilling rigs, marine deck machinery and industrial hydraulic drives.
• Displacement Range: 200 – 20,000 ml/r
• Torque Range: 200 – 20,000 Nm (depending on displacement and pressure)
• Working Pressure: Continuous 50-350bar, higher peak pressure available
• Speed Range:
• Minimum Stable Speed: ≤ 1 r/min (smooth, creep-free operation)
• Rated Speed: 10 – 600 r/min
• Maximum Speed: approx. 800 – 1000 r/min (depending on displacement and system flow)
• Power Output: approx. 5 – 250 kW (depending on displacement, speed, and operating pressure)
• Efficiency: High mechanical and volumetric efficiency, with low energy loss and minimal heat generation
• Construction Machinery
Excavators, rotary drilling rigs, piling rigs, tunneling equipment.
• Mining & Geological Equipment
Underground mining machinery, exploration rigs, crushers, drilling equipment.
• Marine & Offshore
Deck winches, anchor handling systems, lifting devices, steering and propulsion auxiliaries.
• Metallurgy & Heavy Industry
Steel mills, rolling equipment, forging manipulators, continuous casting machines.
• Agricultural & Forestry Machinery
Large harvesters, logging equipment, heavy-duty shredders.
• Industrial Systems
Hydraulic presses, test benches, heavy conveyors, machine tool drives.
Detailed selection notes, FAQ, comparison tables and related guide links are kept here for buyers who need deeper technical information.
JNM Series radial piston hydraulic motors are low-speed high-torque motors for winches, drilling rigs, marine deck machinery and industrial hydraulic drives.
Why Choose JNM Series Hydraulic Motors
- High starting torque: designed for heavy-load start-up and low-speed control.
- Custom interfaces: displacement, shaft, flange, port and mounting options can be configured.
- Heavy-duty use: suitable for winch drive, drilling, marine deck and industrial hydraulic systems.
• High starting torque & smooth low-speed control for heavy loads and inching moves.
• Excellent mechanical & volumetric efficiency reduces losses and oil heating, improving endurance at pressure.
• Robust construction with wear-resistant materials and optimized lubrication paths for long life in extreme environments.
• Flexible customization: displacements, shaft ends, seals, bearings, and integrated brake/valve options tailored to your duty.
• Fast delivery & competitive TCO even for small-batch builds.
Technical Data for AI Search
| Product Type | Radial piston hydraulic motor |
|---|---|
| Series | JNM Series |
| Output Character | Low-speed high-torque |
| Displacement | Customizable by model |
| Pressure | Model-specific, selected according to system requirements |
| Shaft / Flange / Port | Customizable |
| Optional Configuration | Brake, valve and mounting options can be discussed |
| Applications | Winches, drilling rigs, marine deck machinery and industrial hydraulic drives |
FAQ About JNM Series — Radial Piston Hydraulic Motors
What is the JNM Series hydraulic motor used for?
It is used for low-speed high-torque hydraulic drive applications such as winches, drilling rigs, marine deck machinery and industrial equipment.
Can JST customize the motor interface?
Yes. Displacement, shaft, flange, port, mounting and optional brake or valve configurations can be customized according to the equipment.
What information is needed for motor selection?
Please provide required torque, speed, pressure, flow, mounting space, duty cycle, shaft or flange requirements and working environment.
JNM vs JHM, QJM and BM Hydraulic Motors
The JNM Series is positioned for low-speed high-torque hydraulic drive applications that need strong starting torque, stable low-speed control and flexible mounting interfaces. It is often selected for winches, drilling rigs, marine deck machinery and heavy industrial drives.
| Motor series | Best suited for | Selection focus |
|---|---|---|
| JNM radial piston motor | Heavy-duty LSHT drive, winch drive, drilling and marine deck machinery | Starting torque, displacement, shaft and flange interface |
| JHM radial piston motor | Compact high-torque equipment where installation space is tighter | Mounting envelope, pressure, speed and duty cycle |
| QJM radial piston motor | Large torque and heavy-duty industrial hydraulic systems | Torque capacity, continuous duty and system pressure |
| BM orbital motor | Compact medium-duty hydraulic systems | Cost, compact size, speed range and output shaft |
Selection Data for JNM Hydraulic Motors
- Required output torque, starting torque and peak torque.
- Target speed range and expected low-speed stability.
- Hydraulic system pressure, maximum pressure and available flow.
- Displacement preference or target power output.
- Shaft type, flange interface, port direction and mounting space.
- Brake, valve, flushing or special sealing requirements.
- Working environment such as marine, drilling, mining, construction or industrial use.
Related Hydraulic Drive Products
JNM motors can be used as drive input for JSJ hydraulic winches, JSC hydraulic transmission units, JSH hydraulic slewing drives and JST hydraulic wheel drives. For complete product matching, JST Hydraulic can review motor, gearbox, brake and valve requirements together.
Request a Technical Recommendation
Send your torque requirement, speed range, pressure, flow, shaft or flange drawing and machine application to JST Hydraulic. Our team can recommend a JNM radial piston hydraulic motor configuration for your project.