
New Scales EDM Hole Drill Machine Sk4050
NGM-4.8 rail profile grinding machine is suitable for grinding 43kg/m~75kg/m rail welded joints, unevenness joints, fat edge, rail surface welding repair and other situation. It has the features of high working efficiency, perfect grinding performance, easy operation, convenient on-off track, etc, It's a ideal equipment for railway overhaul and maintenance.
- Product Introduction

Petrol engine | Type | GX200 |
RPM | ≥3600r/min | |
Power | 4.8kW | |
Grinding wheel | Model | φ125×65×M20mm |
Linear speed | 35m/s | |
Main shaft | RPM | 4500r/min |
Flexible shaft | Inclination angle | 90° |
Grinding head | Stroke | 45mm |
Profile wheel | Wheel gauge | 1000mm |
Packing detail | Net weight | 90kg |
Dimension | 1500×450×750mm |



![]() Assessed Supplier | ![]() ISO9001 |
CRCC Cerfifite |
![]() Pakistan | Brazil |
![]() Poland | Thailand |
Our product has exported to above 30 countries and regions in the last 3 years. Our good quality, reasonable price and perfect after-sales service have won the customers' attention. Warmly weclome you visit us and obtain the chance to cooperate.
Q1:Who I am ?
A1:This is Sabrina Niu,sale manager of the factory.
Q2:What is the Warranty about your product?
A2: 1 year for warranty .Consumable parts are available.
Q3:How is your quality?
A3: To guarantee top quality,best material are used.Besides, The engine is imported from abroad. You are highly welcome to visit our factory.
Q4:What we do?
A4:JINZHOU TIEGONG RAILWAY MAINTENANCE MACHINERY CO.,LTD is a professional factory producing small type railway maintenance machine. Such as Cutting machine ,Grinding machine, Tamping machine etc.
Q5: Why choose us?
A5:Top quality , competitive price ,plenty stock And Excellent Service.Our factory has more than 400 type products,24 years producing experience. Most of the pictures on Other suppliers’ website were stolen from our website.
Q6:How can I trust you?
A6: We have been Gold supplier from Alibaba for 8years,15years of overseas trading experience .Our reputation among customers and their satisfaction are the main reasons for our success.
Q7:What service you can provide?
A7: Installation video And user manual offered. For big quantity order , we can dispatch our engineer foroversea door-to-door service
Q8:What is the delivery condition and the payment?
A8: various methods of payment are acceptable.T/T is the commonly used way. Shipment will be arranged within 15days .We will inform you if short stock.
Q9:Your company is manufacturer or dealer?
A9: We are professional of railway maintenance equipment manufacturer. We have more than 400 types products,such as Rail Grinder, Rail Cutter, Rail Tamper, Rail Tenser, Rail Adjustor and so on.
Main Technical Parameters
NGM-4.8 rail profile grinding machine is suitable for grinding 43kg/m~75kg/m rail welded joints, unevenness joints, fat edge, rail surface welding repair and other situation. It has the features of high working efficiency, perfect grinding performance, easy operation, convenient on-off track, etc, It's a ideal equipment for railway overhaul and maintenance.
Petrol engine | Type | GX200 |
RPM | ≥3600r/min | |
Power | 4.8kW | |
Grinding wheel | Model | φ125×65×M20mm |
Linear speed | 35m/s | |
Main shaft | RPM | 4500r/min |
Flexible shaft | Inclination angle | 90° |
Grinding head | Stroke | 45mm |
Profile wheel | Wheel gauge | 1000mm |
Packing detail | Net weight | 90kg |
Dimension | 1500×450×750mm |
We constantly develop environmentally friendly, high-performance, multi-functional and long-lasting New Scales EDM Hole Drill Machine Sk4050 to meet market demand. Under the tide of economic globalization, informatization and regional economic integration, our company grows vigorously. We adhere to the 'integrity as the fundamental, quality for survival, reputation win the market' business philosophy, to provide users with premium products and service, and is willing to sincerely cooperate with customers all over the world!
Hot Tags: NGM-4.8 rail profile grinding machine, track lining mechanism for renewal, Railway Tamping Machine, rail car chairlift, railway track refurbishment, Rail Straightening Device, track lining machinery












