Parker Denison M5BF-045 Motor | M5BF0451N03B1M3 M294578 | Hydraulic Vane Motor
| Model Number | M5BF |
|---|
Product Description
Parker Denison M5BF-045 Series Heavy-Duty Hydraulic Fan Motors
Product Overview: The Parker Denison M5BF Series is a high-performance fixed displacement vane motor specifically engineered for the demanding cooling systems of modern heavy-duty machinery. As the flagship specification of the series, the M5BF-045 is renowned for its superior power density and high-pressure resilience. This category features precision configurations: M5BF0451N03B1M3, M5BF0451N03B1M00000, and OEM Part Number M294578. Its unique hydraulically balanced vane architecture ensures operational stability at extreme speeds, making it the premier choice for excavator fan drives, mobile cooling systems, and heavy-duty Hydraulic Power Units (HPUs).
Key Technical Advantages:
Elite High-Pressure Capability: Handles continuous operating pressures up to 320 Bar (4650 PSI), ensuring efficient energy conversion even under heavy-duty cycles.
High-Speed Stability: Optimized for high-velocity operation up to 4000 RPM, ensuring cooling fans deliver maximum airflow in extreme ambient temperatures.
Balanced Architecture: The internal hydraulic balance eliminates radial bearing loads, significantly extending the motor’s service life in harsh environments.
Low Startup Torque Loss: Optimized vane-tip sealing ensures smooth breakout performance and eliminates pressure pulsations during cold starts.
Bi-rotational Versatility: Supports bi-directional rotation, enabling easy radiator cleaning via fan reversal functions.
Detailed Models & Specifications:
Core Series: M5BF-045 Series.
Specific Model Identifiers: * M5BF0451N03B1M3 (Standard Splined Configuration)
M5BF0451N03B1M00000 (Full Series Number)
M294578 (OEM Part Number Cross-Reference)
M5BF-045-1N04 (Keyed Shaft Variant)
Key Performance Specs:
Displacement: 45.0 cc/rev.
Max Rated Pressure: 320 Bar.
Speed Range: Up to 3600 – 4000 RPM.
Shaft Types: 1N03 (SAE B 13T Splined) / 1N04 (Keyed).


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