79 Rudeni street, Building D, Chitila, Ilfov county, Romania
Mobile Rail Welding Machine
Mobile Rail Welding Machine
Mobile Rail Welding Machine

Mobile Rail Welding Machine – Configuration & Key Features

Are you looking for a powerful and flexible welding solution for your rail construction project? The mobile rail welding machine is the perfect option for you, as this configuration meets the requirements on almost all rail construction sites! 

Contrail Machinery provides a wide range of configurations of mobile Flash-Butt Welding Machines, so together we can find the one that meets all the needs and specifics of your project. Superior welding quality, performance, durability and flexibility of our solutions are guaranteed!

The mobile rail welding machine combines advanced technology with unmatched versatility, enabling seamless operations in diverse working environments. Whether it’s a high-speed rail line or routine track maintenance, this solution ensures precision and reliability.

Enhance your on-site welding capabilities with the mobile rail welding machine, designed for optimal flexibility and efficiency in various field conditions! Contact us to find out more details about our offer!

The configuration of a mobile rail welding machine

A mobile rail welding machine includes the containerized welding machine fitted onto a truck-based rail-road vehicle which is moved from one welding position to another. The independent rail welding container is mounted on the railroad truck as needed with the help of twist locks. The rail-road truck can transport the welding container both by rail and by road, for rail mode being equipped with a hydrostatic transmission for rail operation.

This dual-mode functionality makes the mobile rail welding machine by Contrail Machinery a standout choice, offering the flexibility to navigate between rail and road modes effortlessly. This adaptability reduces downtime and ensures efficient logistics for your rail project.

When there is no welding activity, a platform can be attached to the truck (which can be supplied as an option on request) so that the railroad truck is used to transport materials.

The mobile rail welding machine’s ability to carry additional materials further enhances its versatility, making it a cost-effective and multi-purpose solution for rail construction projects.

Key features of the mobile rail welding machine

Mobility

Easy to transport between welding locations, providing flexibility for both road and rail operations.

Versatility

Equipped with a modular container system and optional material transport capabilities, optimizing project efficiency.

Efficiency

Designed to minimize setup time and maximize productivity with its user-friendly operation.

Durability

Built with high-quality materials and tested for performance under rigorous conditions, ensuring long-term reliability.

This all-in-one solution simplifies the challenges of rail welding projects, offering a dependable and robust machine for both urban and remote locations.

Main Specifications of the Mobile Rail Welding Machine

Length  11720 mm
Width  2550 mm
Height in road mode  3640 mm
Height in rail mode  3910 mm
Total permissible weight  35000 kg
Own weight of the truck (without FBW container) 16500 kg
Minimum radius of horizontal curve  90 m 
Maximum cant  150 mm 
Track gauge 1435 mm
Maximum slope with max speed  4 % 
Maximum slope at reduced speed and dry rail  7 % 
Max speed on road (electronically limited)  90 km/h 
Max speed on rail, FWD, straight alignment and canted track  25 km/h 
Max speed on rail, REV, straight alignment and canted track 25 km/h
Max speed on rail when passing turnouts or crossing  15 km/h 
Max speed on rail with remote control 5 km/h
Max speed when towed  15 km/h

Technology, Welding Method & Power Supply Overview

Designed with performance in mind, the mobile rail welding machine utilizes the flash-butt welding method, a highly reliable process that joins rails by applying electrical resistance and forging pressure, without the need for filler material. The machine is fully autonomous, suitable even for remote areas without external power sources.

Integrated Measurement, Inspection & Quality Control Systems

The mobile rail welding machine is equipped with advanced measurement and inspection technologies that ensure the highest quality welds in every operation. Integrated quality control systems continuously monitor parameters such as alignment, temperature, force, and weld geometry, enabling real-time detection of any deviations. This minimizes the risk of weld failures and ensures compliance with international railway standards.

Discover Contrail Machinery solutions!

At Contrail Machinery we offer a wide variety of products and services in the field of railroad construction. Present on the market since 2010, we managed to develop a complete portfolio of solutions for railroad construction projects and we offer a variety of rail welding equipment, including: Flash-Butt Welding Machines (stationary and mobile rail welding machines), rail welding equipment type CR100, Rail Bend Testing Press and other specialized equipment, as well as assistance services for the entire range of machinery.

For more details about our offers, like this or fbw machine overhaul do not hesitate to contact us!

Mobile Rail Welding Machine
Mobile Rail Welding Machine
Mobile Rail Welding Machine

FAQ about Mobile Rail Welding Machine

Safety features include automated alignment, emergency stop functions, and controlled hydraulic operations. The equipment includes real-time monitoring systems for current, pressure, and flash parameters—ensuring consistent weld quality and immediate correction if deviations occur.

Cost savings are achieved through reduced transport costs, fewer rail section relocations, and lower labor hours. The mobile system also allows welds to happen directly on site — avoiding costly staging areas — and its rugged build means lower maintenance costs over its operational lifespan.

Its self-contained container, power supply, and dual-mode chassis enable operations in rural, mountainous, or tunnel-access sites. With systems for road and rail travel and modular components, it adapts to varied terrain and restricted access locations for urgent repair or maintenance tasks.

The mobile rail welding machine is designed for quick deployment on both road and rail, minimizing setup time and reducing the number of operators needed. Its road-rail chassis allows it to travel between sites without disassembly, simplifying transport logistics and freeing up crews for other tasks.

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Contact us today to learn how Contrail can support your next railway construction project with high-quality, reliable machinery and solutions!