Martin 4" Impacting Railcar Vibrator
Summary The Martin 4" Impacting Railcar Vibrator is a heavy-duty power upgrade to the standard 3" model, designed specifically for high-mass, stubborn loads. By doubling the unit weight (81 lbs) and increasing the piston diameter, it delivers a massive "thumping" impact at a lower frequency. This extra brute force is essential for breaking the bond of wet, sticky, or heavily compacted materials that standard vibrators often cannot move, ensuring a faster and cleaner empty.
Key Benefits
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Maximum Force for Difficult Materials: Specifically designed to move wet, sticky, and coarse materials by delivering powerful linear impacts that dislodge material adhering to railcar walls.
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Maintenance-Free Operation: When used with properly filtered, regulated, and lubricated air, these units require no internal maintenance, ensuring long-term reliability in the field.
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Easy Handling & Installation: Features a large integrated handle and male wedge bracket for quick, secure mounting to railcar female brackets.
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Durable Construction: Built with a high-strength vibrator body and specialized O-ring seals to withstand the rigors of heavy industrial use.
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Optimized Flow: The 4-inch piston diameter provides a significant increase in energy over smaller models, ensuring consistent material flow and faster unloading times.
Technical Specifications
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Piston Diameter: 4 inches
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Operating Pressure Range: 40 – 80 PSI (adjust with air pressure)
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Force Output Range: 1,330 lbf @ 40 PSI to 2,200 lbf @ 80 PSI
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Speed Range (VPM): 1,500 – 1,900 VPM vibrations per minute
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Air Consumption Range: 22 – 42 CFM
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Weight: 81 lbs
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Noise Level: > 85 dBA (Hearing protection required)
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Mounting: Integral male wedge (Fits LBF female bracket)
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Air Requirements: Filtered, regulated, and lubricated air (FRL kit required)
Recommended Accessories
Availability & Lead Time Note
This model typcially has short lead times.
Compare the Martin 4" (AP5-400) to other models: