JHM Series — Radial Piston Hydraulic Motors
Short Description:
Powerful. Precise. Proven. The JNM Series adopts an inner five-piston radial design for true low-speed, high-torque output with excellent starting characteristics. Built for harsh duty cycles and high system pressures, JNM delivers smooth starts, high mechanical & volumetric efficiency, and long service life. This is the motor you choose when uptime and torque density decide the winner.Positioning: A reliable, high-value alternative to European radial-piston brands.
• 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.
• 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.