Murphy Construction Machinery (Shandong) Co., Ltd. is one of the leading manufacturers and suppliers of tracked chassis for roadheader machine in China. If you're going to buy the newest tracked chassis for roadheader machine, welcome to get pricelist from our factory. All customized products are with high quality and low price.
We supply crawler undercarriages for excavators, drill rigs and mining machinery to buyers worldwide. Feel free to contact our factory anytime to explore our latest models and get competitive factory-direct pricing.

This tracked undercarriage fits a wide range of carrier machine models and working environments. Core parameters including track length, track width, shoe thickness, track gauge and drive configuration are fully adjustable to match your equipment specifications and site conditions.
We supply reliable tracked platforms for OEMs, system integrators, and global distributors, perfectly suited for heavy-duty projects that demand robust load capacity and flexible configuration options.
Our heavy-duty steel crawler undercarriages are specially designed for roadheaders, built to withstand harsh underground mining and tunnel working conditions. We offer fully customizable sizes and dependable replacement assemblies.
Product Core
Our steel crawler undercarriage offers dependable load‑bearing capacity and simple integration into your equipment.It is compatible with drilling rigs, excavators, roadheader, and other heavy machinery. Reinforced frame construction and heavy-duty mounting plates reduce installation risks while enhancing assembly stability.
We provide fully tailored designs built to meet your specific equipment needs.

Product Specifications


TYPE D/ Rotating shaft type TYPE E/ Prefabricated (upper flange)
| CODE NAME | TYPE | A | B | C | D | E | F | G | APPLICATION |
| MEFH55 | A | 1683 | 2133 | 608.5 | 885 | 400 | 557 | 757 | 5.5Ton Skid Steer Loader |
| MEFZ70 | A | 1792 | 2345 | 301 | 597 | 300 | 228 | 378 | 7Ton Tunneling Machine |
| MEFD90A | A | 2269 | 2806 | 288 | 582 | 400 | 235 | 435 | 9Ton Pipe Laying Machine |
| MEFD100 | E | 3473 | 4023 | 295 | 670 | 300 | 475 | 475 | 10Ton Underground Mobile Equipment |
| MEFZ100 | A | 2190 | 2754 | 292 | 601 | 300 | 227 | 387 | 10Ton Drilling Rig |
| MEFZ110 | D | 2095 | 2705 | 309.5 | 652 | 400 | 360 | 560 | 11Ton Drilling Rig |
| MEFZ120 | B | 2115 | 2626 | 262 | 527 | 300 | 233 | 395 | 12Ton Drilling Rig |
| MEFZ140 | D | 2513 | 3125 | 301.5 | 686 | 400 | 505 | 656 | 14Ton Drilling Rig |
| MEFZ150 | D | 2653 | 3384 | 380.5 | 839 | 400 | 543 | 725 | 15Ton Drilling Rig |
| MEFP150 | A | 3432 | 4061 | 327 | 649 | 300 | 277 | 471 | 15Ton Material Conveyor |
| MEFZ180 | A | 3968 | 4733 | 393.5 | 800 | 500 | 347 | 599 | 18Ton Drilling Rig |
| MEFY200 | A | 3751 | 4540 | 419 | 844 | 500 | 397 | 647 | 20Ton Dam Transport Machine |
| MEFP250 | A | 3311 | 4030 | 332.5 | 738 | 400 | 262 | 462 | 25Ton Mobile Crushing Station |
Mounting Interface Details
Four reinforced mounting plates provide solid connection points for your machine superstructure. All bolt hole positions can be reworked to fit your existing equipment layout. Thickened steel support stands reduce bending risk under full load.
Reinforced cross beams built for heavy working loads
Clear interface specs shorten engineering communication time
Complete technical drawings supplied before production starts
Our team supplies 2D technical drawings for your engineering review prior to production. We can modify platform height and spacing to match your installation requirements.

Custom Production Process
We manufacture multiple tracked undercarriage styles for different load and space limits. You can pick fixed frame models or rotating versions with slewing bearings. Track width, overall length and mounting frame design are fully customizable.
Transparent full-process workflow from requirement confirmation to final delivery
Pre-project verification of equipment type, load standards and mounting structure
Each chassis undergoes individual welding and inspection prior to painting. Share details about your machine model and job site conditions, and we'll recommend the appropriate design solution.

Application Scenarios
Murphy's engineering team specializes in chassis adaptation and custom undercarriage solutions for heavy-duty machinery.
Our custom build process starts with your load requirement and mounting dimensions. Our engineers confirm the design and send drawings for your approval first.
Functional test performed on every finished undercarriage before packing
Regular updates at key production milestones until shipment
Load-bearing components & hydraulic drive systems precision-engineered to match your machine's unique specs

Working condition adaptation
Our steel track chassis fits various machines including water well drills, exploration rigs and mini excavators. It works reliably on rocky ground, wet mud and rough construction sites.
Whether working at remote mining sites or on urban municipal projects, it keeps your machine running smoothly. Tell us your site conditions, and we will optimize the chassis specifically for your project.

Structure Highlights & After-sales Support
This heavy‑duty undercarriage features a hollow crossbeam design, reducing excess weight without compromising structural strength. Robust drive motors and long-lasting track shoes help prolong overall service life.
Sealed bearing design cuts down on-site maintenance work
Contact our sales team for full technical datasheet and dimension table
We support load ranges from 3 ton up to 200 ton for different projects.

Shipping Site
We have shipped hundreds of chassis to Europe, Southeast Asia and the Middle East. Every unit undergoes a final visual check prior to packing, verifying that all components remain intact.
Our technical team offers remote troubleshooting support when you need it. Send your inquiry now to get a quotation and project reference cases.

Company Profile
Murphy Company was founded in 2022, and its core team has over ten years of practical experience in the field of construction machinery.
The tracked chassis assembly is customized and designed according to different working conditions of the host equipment. For example, the width of the track plate, the total length of the chassis, the total width and load-bearing capacity of the chassis, the walking speed, and other supporting components can be flexibly and creatively designed and manufactured according to customer needs, and their accessories are widely used in industries such as engineering, construction, and mining.
Professional Team
We provide custom tracked chassis components built to match your equipment's real-world working conditions-covering everything from track shoe width and chassis dimensions to load capacity and travel speed.
This unit comes with an integrated crawler undercarriage assembly compatible with drill rigs, muck loaders and tunneling machinery. Its dimensions match the host equipment precisely, and direct factory supply removes extra markup from middlemen.
Pre‑sales & After‑sales Support
Pre sales: precise matching+zero trial and error cost
Deeply cultivating experience in supporting working conditions in more than 30 countries overseas, we provide customers with one-on-one working condition selection, parameter matching, and customized solutions for different scenarios such as muddy infrastructure in Southeast Asia, high-temperature deserts in the Middle East, heavy-duty mines in Europe and America, and mountain operations in South America.
After sales: Global long-term worry free guarantee
Provide technical support such as remote device installation guidance, usage debugging, and optimization of working conditions, maintain a stock of core chassis accessories, achieve rapid replacement of spare parts, and significantly shorten maintenance cycles.

30+
production line
2000000+meters
Annual output
100000+㎡
Factory Area
236M
Projects Completed
FAQ
Q:What material do you use for track shoes, rollers and idlers?
A: Track shoes adopt high‑strength manganese steel with forging & heat‑treatment process; rollers, idlers and sprockets use alloy steel with surface hardening to realize long service life under abrasive rock environment.
Q:Do you provide OEM & CDM custom service for steel track undercarriage assembly?
A: Yes, full OEM & CDM service supported. We customize dimension, load capacity, hydraulic configuration, painting color, laser logo, operator manual language according to your drawing or requirements.
Q: Do your steel track undercarriage assemblies have CE certification?
A:Yes, CE certification is available for our steel track undercarriage, we supply CE document, material test report, factory inspection report for your import customs clearance.
Q: What is your warranty policy for steel track undercarriage assembly?
A: We provide 1‑year limited whole‑unit warranty from goods arrival date.
Q: What trade terms do you support? FOB, CIF or DDP?
A: We support FOB, CIF, CFR and DDP trade terms. Tell us your destination port or address, we calculate freight cost for you.
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