YLM NAM NHM Motor | 11-800 to 11-1400 | External Plunger Type Motor | High Torque Hydraulic Motor
| Model Number | YLM NAM IAM NHM |
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Product Description
YLM, NAM, IAM & NHM Series External Plunger Low Speed High Torque Motors
Product Overview: The YLM, NAM, IAM, and NHM Series represent the benchmark for industrial Low Speed High Torque (LSHT) hydraulic motors. Featuring the classic External Plunger (Five-star) design, these motors are engineered for the most extreme heavy-duty operating conditions. This page highlights the full displacement range within the 11-frame size: 11-800, 11-900, 11-1000, 11-1100, 11-1200, 11-1300, and 11-1400. Renowned for their superior startup efficiency, ultra-low speed stability, and exceptional shock resistance, these motors are widely used in heavy-duty winches, marine windlasses, plastic injection molding machines, mining drills, and construction machinery.
Key Technical Advantages:
Extreme Torque Output: The unique external plunger and connecting rod architecture allows for massive, smooth torque delivery at ultra-low RPM, ideal for heavy-load startups.
Superior Shock Resistance: Robust cast-iron housings and reinforced internal components enable these motors to handle violent load fluctuations and intense pressure spikes.
Low-Speed Smoothness: Maintains consistent power delivery even at speeds below 1 RPM, ensuring precise operation without “creep.”
Modular Displacement Flexibility: The 11 Series offers displacements from 800cc to 1400cc, allowing for precise matching to specific machinery load requirements.
Target Applications: Industrial presses, conveyor belt drives, marine deck machinery, injection molding pre-plasticizing, and geological rig rotary tables.
Detailed Models & Parameters:
Core Series: YLM, NAM, IAM, NHM Series.
Model Keywords: 11-800, 11-900, 11-1000, 11-1100, 11-1200, 11-1300, 11-1400.
Technical Specs Decoding:
11-800 / 11-1000: Balanced torque and speed response for medium-to-heavy machinery.
11-1200 / 11-1400: Provides maximum startup traction for top-tier heavy-duty industrial drives.
Pressure Specs: Rated Operating Pressure up to 20-25 MPa, with peak capabilities reaching 31.5 MPa.






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