Murphy Construction Machinery (Shandong) Co., Ltd. is one of the leading manufacturers and suppliers of roadheader crawler track frame assembly in China. If you're going to buy the newest roadheader crawler track frame assembly, 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. Reach out to our factory anytime to learn about our latest models and receive competitive factory-direct pricing.

We provide dependable tracked platforms for OEMs, system integrators, and global distributors-ideal for heavy-duty projects requiring robust load capacity and flexible configuration options.
This tracked undercarriage fits a wide spectrum of carrier machine models and diverse working environments. Core parameters such as track length, track width, shoe thickness, track gauge and drive configuration are fully adjustable, enabling perfect alignment with your equipment specifications and on-site operational conditions.
Full technical documentation and timely after-sales support are supplied to keep your project running smoothly. Our engineering team stays available to troubleshoot assembly and operational issues whenever you need on-site or remote guidance.
Product Core
Our steel crawler undercarriage provides dependable load-bearing performance and simple integration with your host machine. It is compatible with drilling rigs, excavators, roadheaders and other heavy-duty machinery. Reinforced frame construction and heavy-duty mounting plates help lower installation risks while improving assembly stability.
We offer fully tailored designs built around your specific equipment requirements. Our factory can modify track width, load capacity and hydraulic setup to suit a wide range of working environments, from muddy construction sites to high-temperature mining zones. We offer short lead times for standard specs to help you accelerate your project deployment.

Mounting Interface Details
Four reinforced mounting plates offer secure connection points for your machine's upper structure. All bolt hole positions can be adjusted to match your existing equipment layout. Thickened steel support stands help reduce bending risk under full load. Precision welding eliminates weak points under heavy vibration, extending the service life of your undercarriage in rugged field environments.
Reinforced cross beams are engineered to withstand heavy operational loads. Clear interface specifications cut down engineering back-and-forth, and we provide full technical drawings prior to production.
Our team provides 2D technical drawings for your engineering review prior to production. Platform height and spacing can be modified to suit your installation requirements. We can also supply 3D models upon request, helping your engineers run pre-assembly simulation and avoid on-site fitting errors.

Product Specifications

TYPE B/ welded type
TYPE C/ Swing beam type
|
CODE NAME |
TYPE |
A |
B |
C |
D |
E |
F |
G |
APPLICATION |
|
MEFD270A |
E |
3181 |
3975 |
421 |
1058 |
600 |
880 |
1699 |
27T EQUIPMENT INSTALLATION VEHICLE |
|
MEFD270B |
A |
3181 |
3975 |
421 |
868 |
600 |
369 |
1559 |
27T EQUIPMENT INSTALLATION VEHICLE |
|
MEFP300 |
A |
4131 |
4980 |
448 |
922 |
600 |
404 |
704 |
30T Mobile Crushing Station |
|
MEFP350 |
A |
3268 |
3994 |
371.5 |
740.5 |
400 |
261 |
510 |
30T Mobile Crushing Station |
|
MEFP380 |
A |
3793 |
4583 |
400 |
812 |
400 |
309 |
509 |
38t Mobile Crushing Station |
|
MEFD400 |
A |
5163 |
5970 |
415 |
820 |
600 |
370 |
670 |
40T UTILITY VEHICLE |
|
MEFZ430 |
C |
3595 |
4598 |
518 |
1201 |
600 |
400 |
700 |
43T Rotary Drilling Rig |
|
MEFP450 |
A |
3965 |
4754 |
413 |
820 |
500 |
370 |
620 |
45T Mobile Crushing Station |
|
MEFP500 |
A |
3809 |
4625 |
420.5 |
850 |
500 |
390 |
659 |
50T Mobile Crushing Station |
|
MEFP500A |
B |
3365 |
4163 |
400 |
818 |
500 |
459 |
709 |
50T Mobile Crushing Station |
|
MEFP500B |
A |
3365 |
4163 |
400 |
818 |
500 |
459 |
709 |
50T Mobile Crushing Station |
|
MEFP500C |
B |
3450 |
4255 |
400 |
824 |
500 |
418 |
668 |
50T Mobile Crushing Station |
|
MEFZ500A |
B |
3930 |
4935 |
523 |
1130 |
600 |
453 |
753 |
50 Ton Drilling Rig |
|
MEFP560A |
A |
3809 |
4625 |
420.5 |
851 |
500 |
370 |
639 |
56T Mobile Crushing Station |
|
MEFP560C |
B |
3809 |
4638 |
420.5 |
852 |
500 |
423 |
629 |
56T Mobile Crushing Station |
|
MEFP600A |
A |
3999 |
4813 |
420 |
851 |
500 |
370 |
639 |
60T Mobile Crushing Station |
|
MEFP650 |
B |
4187 |
5021 |
422 |
886 |
500 |
404.5 |
674 |
65T Mobile Crushing Station |
|
MEFP700 |
B |
4187 |
5021 |
422 |
886 |
500 |
404.5 |
674 |
70T Mobile Crushing Station |
|
MEFP700A |
A |
4141 |
5000 |
441 |
889 |
500 |
354 |
674 |
70T Mobile Crushing Station |
|
MEFZ700A |
B |
4960 |
5921 |
492 |
1135 |
700 |
500 |
850 |
70 Ton Drilling Rig |
|
MEFP750 |
B |
4141 |
5007 |
446 |
915 |
500 |
404 |
704 |
75T Mobile Crushing Station |
|
MEFZ950 |
C |
5369 |
6448 |
553 |
1421 |
900 |
500 |
950 |
95Ton Rotary Drilling Rig |
|
MEFD1200 |
A |
5611 |
6707 |
555 |
1281 |
900 |
522 |
972 |
120T Feeder machine |
|
MEFD1300 |
A |
6976 |
7957 |
506 |
1206 |
900 |
845 |
1295 |
130T Slope Tractor |
|
MEFP1600 |
A |
4690 |
5785 |
557 |
1291 |
600 |
638 |
958 |
160T Mobile Crushing Station |
|
MEFD1900 |
E |
6749 |
8051 |
662 |
1583 |
900 |
1645 |
1645 |
190 Ton Material Grabbing Machine |
Our Advantages
We operate our own in-house R&D team. Our engineers customize load-bearing ratings, hydraulic travel systems and special-sized chassis frames tailored specifically for tunneling machine conditions, delivering performance that exceeds standard undercarriage solutions.With years of experience producing heavy-duty tracked bases, we supply field-proven travel solutions for construction equipment, drilling platforms, crushing plants, and specialty tracked vehicles.
We build a range of tracked undercarriage styles to suit different load capacities and space constraints. Every component undergoes full-process CNC precision machining supported by traceable quality inspection procedures. Mass-produced units maintain consistent accuracy, and we manage large-volume export orders for domestic and overseas clients with well-controlled lead times.
Our workflow stays transparent from start to finish-beginning with requirement confirmation and carrying through to final delivery.

Application Scenarios
Murphy's engineering team focuses on chassis adaptation and custom undercarriage solutions for heavy-duty machinery.
Our custom build process starts with your specific load requirements and mounting dimensions. Our engineers finalize the design and submit detailed drawings for your official approval prior to production. We will adjust structural reinforcement and hydraulic layout accordingly to match your field working conditions.
Every finished undercarriage undergoes a functional test before packing. We provide regular progress updates at key production milestones all the way through to shipment. All load-bearing components and hydraulic drive systems are precision-engineered to match your machine's unique specifications.

Working condition adaptation
Our steel track chassis is compatible with a range of machines, including water well drills, exploration rigs, and mini excavators. It performs reliably on rocky ground, wet mud, and rough construction sites. Its heavy-duty track shoes deliver strong traction and resist abrasion during long-hour continuous operation.
Send us your site working conditions, and we will tailor the chassis exclusively for your project. Robust sealing protects internal components from dust and water intrusion, extending service life in harsh outdoor environments.

Production process
Components are laser-cut and CNC-bent to achieve tight dimensional tolerances and clean shaping. Automated robotic welding delivers robust, uniform weld seams, minimizing thermal distortion and ensuring consistent, repeatable build quality across every chassis unit. Gantry machining centers finish mounting surfaces and critical holes, ensuring dependable assembly precision.
Workpieces go through shot blasting to strip oxide layers prior to automated spray painting and drying, resulting in dependable anti-corrosion performance. Final assembly is carried out under standardized operational procedures. Every finished unit undergoes full functional testing before shipment to verify load capacity and walking stability. We apply thread locker to bolts and tighten them to specified torque values, preventing loosening during long-term operation and keeping equipment performance stable.

Shipping Site
We have supplied hundreds of chassis units to clients across Europe, Southeast Asia and the Middle East. Each unit passes a final visual inspection prior to packing to verify all components remain intact.
We provide complete shipping documents and after-sales technical guidance, ensuring smooth project delivery and long-term stable operation for your equipment.
Our technical team offers remote troubleshooting support whenever required. Submit your inquiry today to get a quotation and relevant project reference cases.

Company Profile
Murphy Company was established in 2022, with a core team that brings over ten years of hands-on experience in the construction machinery sector.
Tracked chassis assemblies are custom-designed around the specific working conditions of each host machine. Track shoe width, chassis overall dimensions, load capacity, travel speed and related supporting components are all fully customizable to meet unique customer requirements. Our tailored crawler solutions serve a wide range of applications across the engineering, construction and mining industries.
Professional Team
We supply custom tracked chassis components engineered to match your equipment's actual working conditions-covering everything from track shoe width and chassis dimensions to load capacity and travel speed.
This integrated crawler undercarriage assembly is fully compatible with drill rigs, muck loaders and tunneling machinery. Its dimensions are precisely matched to the host equipment, and direct factory supply eliminates middleman markups. We can also accommodate bulk orders with flexible lead times to support your large-scale equipment rollout.
Pre‑sales & After‑sales Support
we deliver one-on-one site condition assessments, parameter matching and custom-engineered solutions for diverse operating environments. Our track record covers muddy infrastructure sites in Southeast Asia, high-temperature desert projects in the Middle East, heavy mining operations in Europe and the Americas, and mountain works in South America.
We provide technical support covering remote installation guidance, commissioning assistance and on-site operating condition optimization.

30+
production line
2000000+meters
Annual output
100000+㎡
Factory Area
236M
Projects Completed
FAQ
Q:Steel track vs rubber track undercarriage: how to choose for my machine?
A: Choose steel track for mining, quarry, rock‑heavy site pursuing maximum durability. Choose rubber track if you need to protect asphalt or concrete ground, low noise for urban construction.
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: Can you supply test video of undercarriage running inside factory before delivery?
A:Yes, before shipment we can record running test video, dimension measuring photos for your confirmation.
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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