Product Overview
The NGM-4.8 railroad rail grinder is a high-power gasoline-driven track maintenance machine. It is widely used for grinding rail welding joints, removing rail burrs, trimming rail edges and repairing uneven rail surfaces.
This portable rail grinding equipment fits all common steel rails from 43kg/m to 75kg/m. With stable power output and adjustable grinding angle, it provides smooth rail surface finish and improves overall railway driving safety.
Key Features
• 4.8kW high-power gasoline engine, strong grinding force and stable performance
• 90° adjustable grinding head, suitable for rail top and rail side polishing
• Compact body and on-rail design, easy to move and fast up/down track
• Long-distance floating grinding ensures uniform rail surface
• Low failure rate, ideal for railway daily maintenance and emergency repair
Application Scenarios
• Rail weld seam leveling & polishing
• Rail edge burr removal
• Rail surface defect repairing
the main technical parameters
| Engine Model | GX200 Gasoline Engine |
| Rated Power | 4.8 kW |
| Working Speed | 3600 r/min |
| Spindle Speed | 4500 r/min |
| Grinding Wheel Size | Φ125×65×M20 mm |
| Max Swing Angle | 90° |
| Grinding Stroke | 45 mm |
| Applicable Rail | 43kg/m – 75kg/m Rail |
| Machine Weight | 90kg |
FAQ:
Q1: What warranty do your products come with?
A1: One-year warranty. Consumable parts are available.
Q2: How is your quality?
A2: To ensure the highest quality, we utilise the finest materials. Furthermore, our engines are imported from overseas. We warmly welcome you to visit our factory.
Q3: What do we do?
A3: Jinzhou Tie Gong Railway Maintenance Machinery Co., Ltd. specialises in manufacturing compact railway maintenance equipment, including cutters, grinders, tampers, and similar machinery.
Q4: Why choose us?
A4: First-rate quality, competitive pricing, ample stock, and superior service. Our factory offers over 400 product types with 24 years of manufacturing expertise. Most images on other suppliers' websites are taken from ours.
Q5: How can I trust you?
A5: We have maintained Gold Supplier status on Alibaba for 8 years and possess 15 years of overseas trade experience. Our reputation among clients and their satisfaction are the primary drivers of our success.
Q6: What services do you offer?
A6: We provide installation videos and user manuals. For bulk orders, we can dispatch engineers to deliver door-to-door overseas services.
Q7: What are the delivery terms and payment methods?
A7: Various payment methods are accepted. T/T is the most common method. Shipment will be arranged within 15 days. Should stock run low, we shall notify you promptly.
Q8: Is your company a manufacturer or distributor?
A8: We are a specialist manufacturer of railway maintenance equipment. Our portfolio comprises over 400 products, including rail grinders, rail cutters, rail tampering machines, rail tensioners, rail adjusters, and more.
Q9: What kind of rail can this grinder process?
A9: It supports 43kg, 50kg, 60kg, 75kg standard steel rails.
Q10: Is this rail grinder easy to operate?
A10: Fully manual portable design, single-person operation, simple structure and low maintenance cost.
Q11: What is the main purpose of the rail grinding machine?
A11: It removes welding marks, burrs and rail irregularities to ensure smooth railway operation.
packing and shipping:
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