
35m High Torque Rotary Drill/Drilling Machine for Foundation/Mining Excavating Equipment/Building Foundation Construction with Diesel Engine
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 |
Our company insists on developing 35m High Torque Rotary Drill/Drilling Machine for Foundation/Mining Excavating Equipment/Building Foundation Construction with Diesel Engine with independent intellectual property rights to win a place in the fierce global market competition and realize leapfrog development. After years of steady development, our company adheres to the concept of improving the quality of life with technological innovation, and brings product technology closer to consumers. We are forging ahead and innovating to make the company grow rapidly, and our comprehensive strength and competitive ability are obviously enhanced.
Hot Tags: NGM-4.8 rail profile grinding machine, Railway Impack Tamping Machine, rail refurbishing equipment, Hydraulic Rail Straightener, Railway Lifting Machine, Railway Lining Device, rail lifting plate











