Murphy Construction Machinery (Shandong) Co., Ltd. is one of the leading manufacturers and suppliers of tracked undercarriage for roadheader in China. If you're going to buy the newest tracked undercarriage for roadheader, welcome to get pricelist from our factory. All customized products are with high quality and low price.

Product Details
The tracked undercarriage for roadheaders is engineered specifically for confined underground tunnel conditions, delivering strong adaptability where space is tight. Key parameters-such as track length, ground contact width, shoe thickness, overall gauge, and travel drive mode-can all be tailored to project needs. The system also supports hydraulic, intelligent electronic, and remote-control options, making it a good fit for upgrading smart excavation equipment.
Thanks to its integrated modular construction, the undercarriage can be quickly assembled and attached to the host machine with minimal structural changes, which simplifies installation and broadens its application scope. It handles challenging sites like underground tunnels, muddy working faces, and soft mineral layers with ease, providing reliable grip, steady load capacity, and solid off-road mobility.
That's why it's a popular choice among excavation equipment makers, engineering integrators, and overseas trading partners alike.
Our Core Strengths
The enterprise is equipped with a professional R&D team, focusing on the research and development of specialized chassis for tunneling equipment. For special working conditions such as tunnel excavation, underground drilling, and ore crushing, the bearing parameters and hydraulic walking system are accurately matched, and the adaptability to underground working conditions far exceeds that of general chassis. Based on years of experience in heavy industry supporting manufacturing, we can provide one-stop mature supporting solutions for various types of excavation equipment, drilling equipment, and special crawler machinery. The entire line adopts CNC precision machining and is equipped with a traceable quality control system throughout the entire process. The accuracy of batch products is unified and the performance is stable, and it can undertake large quantities of foreign trade orders at home and abroad.

Customized Design Supporting Scheme
Based on customer equipment parameters, operating environment, load-bearing capacity, track specifications, and driving form, a complete set of customized crawler chassis solutions for tunneling machines. The product has passed multiple international certifications such as CE/EMC/ISO9001, and can withstand harsh environments such as humidity, dust, and complex road conditions underground. It has high durability and low operation and maintenance costs. Supporting OEM and ODM OEM, helping customers shorten equipment development cycles, enhance overall stability and market competitiveness.

Durable Steel Structure Configuration
Tracked Undercarriage for Roadheader is formed by forging thick high-strength alloy steel plates, which have strong wear resistance, impact resistance, and deformation resistance, and can cope with high-frequency and continuous heavy load impact operations of the tunneling equipment for a long time. Optimize the frame structure for the common single-sided force and dynamic impact conditions of excavation equipment, effectively reducing the vibration during full load operation and improving the smoothness of the entire machine operation. The overall rigid steel structure can significantly reduce component wear, lower the probability of equipment failure and shutdown, effectively reduce maintenance expenses in the later stage, and significantly extend the overall service life of the equipment.

Technical Specifications (Complete Assembly And Matching Scheme For Crawler Chassis Of Tunneling Machine)
Straight crossbeam overall chassis





| CODE NAME | A | B | C | D | E | F | G | H | I | J | APPLICATION |
| *MEFG8 | 934 | 1268 | 194 | 382 | 150 | 426 | 114 | 428 | 624 | 770 | 0.8Ton AERIAL WORK VEHICLE |
| *MEFD15 | 1012 | 1350 | 174 | 353 | 230 | 418 | 198 | 582 | 850 | 1080 | 1.5Ton Dismantling Machine |
| *MEFD30 | 1583 | 2066 | 251 | 523 | 300 | 103 | 282 | 446 | 800 | 1100 | 3Ton Wet Spraying Machine |
| *MEFG35 | 1774 | 2233 | 242 | 475 | 230 | 220 | 170 | 784 | 1100 | 1354 | 3.5Ton Aerial Vehicle |
| MEFZX03 | 1540 | 1930 | 203 | 407 | 230 | 325 | 205 | 370 | 570 | 800 | 3-Ton Underground Drilling Rig |
| MEFZXT05 | 1755 | 2292 | 289 | 570 | 280 | 420 | 230 | 350 | 630 | 910 | 5-Ton Underground Drilling Rig |
| MEFKT08 | 1647 | 2159 | 320 | 540 | 300 | 590 | 430 | 1050 | 1350 | 1650 | 8Ton Exploration Drilling Rig |
| MEFKT10 | 1890 | 2440 | 289 | 576 | 350 | 650 | 250 | 1100 | 1450 | 1800 | 10Ton Exploration Drilling Rig |
| MEFKT10L | 2800 | 3349 | 286 | 573 | 400 | 508 | 253 | 1430 | 1830 | 2230 | 10Ton Exploration Drilling Rig Extended Chassis |
| MEFKT14 | 2191 | 2826 | 335 | 668 | 400 | 410 | 210 | 1400 | 1800 | 2200 | 14Ton Exploration Drilling Rig Extended Chassis |
| MEFKT16 | 2191 | 2826 | 320 | 668 | 400 | 410 | 210 | 1400 | 1800 | 2200 | 16Ton Exploration Drilling Rig Extended Chassis |
| MEFKT16L | 3180 | 3480 | 338 | 676 | 450 | 576 | 376 | 1500 | 1950 | 2400 | 16Ton Exploration Drilling Rig Extended Chassis |
| MEFYSC15 | 3581 | 4216 | 321 | 712 | 450 | 565 | 365 | 1700 | 2150 | 2600 | 15Ton Tracked Transport Vehicle |
| MEFZ100A | 1987 | 2538 | 295 | 583 | 350 | 410 | 230 | 417 | 850 | 1200 | 10Ton Drilling Rig |
| MEFZ100B | 2055 | 2610 | 295 | 583 | 300 | 515 | 175 | 440 | 870 | 1170 | 10Ton Drilling Rig |
| MEFD230 | 3006 | 3736 | 381 | 781 | 500 | 597 | 297 | 1806 | 2500 | 3000 | 23Ton Stacker |
| MEFD300 | 3644 | 4410 | 398 | 802 | 500 | 545 | 295 | 2132 | 2732 | 3414 | 30Ton Reclaimer |
| MEFZ700 | 6120 | 7163 | 541 | 1212 | 800 | 1009 | 693 | 1552 | 2600 | 3400 | 70Ton Drilling Rig |
| MEFD1000 | 5183 | 6150 | 496 | 1062 | 800 | 766 | 330 | 2800 | 3800 | 4600 | 100Ton Stacker |
| Note: 1. The above are standard products that can be customized for design and manufacturing according to user needs. 2. The "*" represents the overall chassis with rubber tracks. 3. Some products can be optionally equipped with rubber blocks. |
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View More Technical Parameters
Chassis Components
With a cleaner tread appearance, the smooth surface track is suitable for projects that require lower ground impact. It provides comfortable operation and works well on relatively firm surfaces.

Factory Production Line
All components are cut by laser and formed with CNC bending, ensuring accurate dimensions and consistent part shapes. Automated robotic welding produces tight, strong seams, which reduces distortion and maintains the machine's overall rigidity. Key mounting bases and locating holes are precision-machined on a gantry machining center, and assembly tolerances are held to strict standards. Each workpiece goes through shot blasting for rust removal, followed by automatic painting and high-temperature drying, giving it excellent resistance to dust, corrosion, and rust. During final assembly, we follow a standardized process: bolts are coated with thread-locking adhesive and tightened to specified torque values to prevent loosening over time, ensuring stable operation of the excavation equipment.

Factory Scene



Established in 2022, Moerfei Engineering Machinery (Shandong) Co., Ltd. is a leading construction machinery manufacturer in China, integrating research and development, production, sales, and service. With 10 years of experience, it is renowned for its technical strength, quality system, and global service. Its headquarters is located in Jining City, Shandong Province, China.
Tracked Undercarriage for Roadheader Loading & Shipment
Our heavy-duty tracked chassis are fully manufactured and carefully loaded for delivery.
All products undergo strict quality inspection before shipment, securely wrapped to avoid damage during transit.
Custom steel tracked undercarriages are widely applied to drilling rigs, engineering machinery and special off-road equipment.
We support customized dimensions, load capacity and drive solutions, arranging timely delivery for global clients.

The Customer's Evaluation Of Us
We provide full lifecycle after-sales support for all customized metal products, covering installation guidance, operational debugging, technical consultation and long-term maintenance to eliminate customers' usage worries.

Exhibition


FAQ
Q: Can tonnage be customized?
A: Sure, 3-200 tons can be customized as needed, with regular models available for immediate delivery from stock. Non standard customization takes 15-25 days, and for large orders, the delivery cycle can be negotiated to be shortened.
Q: Can the chassis width and total length be resized as needed?
A: The length and width of the equipment, track gauge, ground clearance, and installation flange can all be customized non-standard. After signing the contract, free two-dimensional, three-dimensional, and assembly drawings will be provided to facilitate customers' quick installation and docking.
Q: Do you have CE and customs clearance documents?
A: Equipped with CE certification and a complete set of customs clearance documents.
Q: How long is the warranty period for the entire machine?
A: The whole machine comes with a one-year unified warranty, and there is a regular inventory of original vulnerable parts and accessories.
Q: How to choose between steel tracks and rubber tracks?
A: Steel tracks have strong bearing capacity and wear resistance, suitable for underground heavy load excavation conditions; Rubber tracks do not harm the ground and are suitable for municipal tunnels and indoor construction scenarios.
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