Rail Grinder for Smoother, Safer, and Quieter Train Operations
Upgrade rail maintenance with Kuntie Rail Grinder offering precise defect removal, smoother rail profiles, and extended service life across all railway systems.
The Rail Grinding Solution Operators Need for Reliability, Efficiency, and Lower Maintenance Costs
Railway tracks endure heavy loads and frequent operations, causing surface defects, noise, cracks, and profile distortion that impact safety and increase maintenance pressure. Rail grinding offers a proactive solution by removing damaged layers and restoring the rail’s geometry before problems worsen. It improves wheel-rail interaction, reduces noise, extends rail life, and enhances overall reliability. For operators, effective grinding cuts long-term costs, minimizes downtime, and ensures smoother, safer, and more efficient performance across mainlines, metros, and turnout zones. Kuntie offers a full Grinding Car Series, including medium-sized intelligent rail-finishing vehicles, four-head grinding robots, and dual-headed turnout grinding machines-able to grind mainlines, metros, tight-curve tracks and turnouts, even in restricted or hard-to-reach areas.
Product Center
How Kuntie Rail Grinders Solve Key Track Challenges
Kuntie-leading Chinese manufacturer driving innovation in road and rail maintenance machinery.
Fast Defect Removal in Tight Maintenance Windows
Kuntie’s intelligent grinding vehicles and robots quickly eliminate cracks, corrugation, and surface damage within limited maintenance windows, restoring rail geometry, improving safety, and supporting reliable operations on high-speed, metro, and heavy-traffic lines.
Precision Grinding for Turnouts and Hard-to-Reach Areas
Our four-head and dual-headed turnout grinders access curves, switches, and restricted zones where large grinding trains cannot operate—delivering complete rail maintenance, reducing lifecycle costs, and preventing premature rail replacement.
Kuntie’s Three Core Rail Grinding Products
Engineered for modern rail networks, Kuntie grinders restore rail geometry, eliminate surface damage, and optimize long-term performance in challenging maintenance conditions.
Medium-Sized Intelligent Rail Grinding Vehicle
Kuntie’s mid-sized grinder uses automatic lift and multi-head grinding to enter/exit tracks quickly — ideal for short-distance maintenance windows and precision rail profile restoration on busy mainlines.
Four-Head Railway Grinding Robot
This compact, lightweight grinder tackles “restricted areas” and tight-curve/high-speed rail switches where large machines can’t reach — solving switch-section maintenance bottlenecks efficiently.
Double-Ended Turnout Grinding Robot
Equipped with dual grinding heads and real-time profile monitoring, it precisely grinds both switch and fork parts of turnouts, eliminating blind-spot wear and ensuring safety and smooth train operations.
How Kuntie Delivers Full-Service Support in Four Steps
Customized Solutions
We assess your railway type, maintenance frequency and budget — then tailor one-on-one equipment configuration to match your specific line conditions.
Spare Parts Supply
Provide full modular original parts supply for grinders and tampers; support emergency delivery and batch orders — ensuring compatibility and lowering upgrade cost by ~25%.
Fast Replacement & Maintenance Service
With 12 regional service centers across the country, we offer rapid part replacement (within 72 hours) and full maintenance services to keep your equipment operating smoothly.
Warranty & After-Sales Support
We offer 365-day full-cycle warranty, lifetime cost-price spare parts, 7×12 h remote technical support, plus on-site or online training to help you operate and maintain the equipment confidently.
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Keep In Touch With Us
If you have any questions or requirements, please feel free to contact our customer service team. Our professional team will provide you with detailed product information, answer your questions, and tailor the best solution to meet your needs.
Mob：+8618131595437
E-mail：kuntietangshan@gmail.com
