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

Product Details
This heavy-duty steel tracked chassis is designed for a wide range of crawler-type construction equipment that requires strong support and reliable mobility. It provides stable ground contact, high wear resistance, and dependable performance in demanding working conditions.
The complete track system is manufactured with high-strength steel components and precision-machined drive parts. The structure is built to handle repeated impact, heavy loads, and continuous operation while maintaining smooth travel performance over long periods of use.
Whether working on muddy construction sites, uneven mining areas, loose desert terrain, or agricultural fields with changing elevations, the steel crawler design delivers strong traction, excellent load support, and good off-road adaptability. Its practical performance makes it a suitable choice for equipment manufacturers, machinery integrators, and industrial suppliers looking for a reliable crawler undercarriage solution.
Our Core Strengths
We have been deeply engaged in the processing and manufacturing of Heavy Duty Steel Crawler Chassis for many years, and can provide mature and feasible chassis matching solutions for engineering construction machinery, agricultural operation equipment, drilling operation platforms, crushing and screening equipment, and special customized tracked vehicles. Senior engineers follow up on the design implementation throughout the process, ensuring that each chassis is structurally stable, runs stably, and has excellent comprehensive performance under high-intensity and harsh working conditions.

Customized Design Supporting Scheme
There are significant differences in device parameter requirements for different application scenarios. We can tailor a complete set of steel track chassis assembly solutions based on the customer's overall dimensions, operating environment conditions, rated load capacity, track grounding width, and walking drive form. At the same time, we undertake OEM and ODM OEM customization services to help our cooperative customers shorten the overall R&D cycle and optimize the overall operational performance of the machine.

Durable Steel Structure Configuration
The main body of the Heavy Duty Steel Crawler Chassis is made of high-strength structural steel plates, which are wear-resistant, impact resistant, and not easily deformed under pressure; Relying on automated precision welding technology and CNC precision machining technology, the dimensional tolerance of the finished product is controllable, and the overall structural firmness meets the standard.
The chassis frame has been optimized for heavy load stress, ensuring smooth operation even after long-term full load operation and significantly reducing the vibration amplitude during operation. The rigid steel main frame prolongs the service life of the entire machine, reducing the frequency and investment of later maintenance and replacement from the source.

Technical Specifications (Complete Assembly And Matching Plan For Steel Track Chassis)
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
Built for machines carrying additional weight, this track provides strong support and smooth movement. It is commonly used in demanding drilling environments.

Production Line Process
To ensure product accuracy and delivery quality, the company implements a standardized full-process manufacturing process with dedicated inspection nodes for each procedure to strictly control every production detail. Firstly, UG 3D modeling and AutoCAD 2D drawing design are adopted to confirm product design standards and tolerance specifications. Laser precision blanking and CNC bending forming are performed to ensure accurate dimensions and regular shapes of workpieces. Automated robot welding delivers uniform and firm welds while effectively controlling welding deformation. Subsequent finish machining of key parts via gantry machining centers meets assembly accuracy requirements. Workpieces are treated with shot blasting for rust removal and automatic painting & drying to enhance corrosion resistance. Standardized component assembly is carried out with fasteners tightened per standard torque to avoid loosening. After assembly, complete machine commissioning and comprehensive final inspection are conducted. Qualified products are professionally packaged with rust and shock resistance, delivered in compliance with regulations, and accompanied by corresponding inspection reports.

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.
Heavy Duty Steel Crawler Chassis 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
All our manufactured products enjoy formal quality warranty service. Any quality problems caused by production processes will be fully solved and repaired free of charge within the warranty period.

Exhibition


FAQ
Q: What types of equipment can be equipped with a steel track undercarriage assembly?
A: The steel track undercarriage is suitable for a wide range of tracked equipment, including intelligent inspection robots, drilling platforms, agricultural machinery, aerial work platforms, transport carriers, mining equipment, and various types of customized industrial machinery. The final configuration can be adjusted according to the equipment structure, working environment, and load requirements.
Q: Can you manufacture a customized chassis based on customer drawings?
A: Yes. Our technical team can develop and manufacture complete undercarriage assemblies based on customer-provided drawings, dimensions, installation requirements, and technical specifications. We can provide customized solutions from structural design to production to ensure proper matching with the customer's host equipment.
Q: Do you support different tonnage configurations? What is the maximum load capacity?
A: Yes. We support OEM and ODM customization from 3 to 200 tons, covering different application requirements such as geological drilling rigs, slag removal machines, rotary drilling rigs, and compact excavators.
The main structural components are manufactured from high-strength alloy steel, such as 40Mn2, and undergo appropriate heat treatment processes to improve strength and durability. The chassis maintains reliable load-bearing performance during long-term operation in demanding environments, including mining areas, gravel conditions, muddy ground, and waterlogged sites.
Q: What is the production lead time? Are standard models available for fast delivery?
A: For standard models, some commonly used configurations are available with shorter delivery times, depending on current inventory status.
For customized non-standard chassis systems, the normal production period is around 15-30 days, depending on design complexity and order quantity. We can also assist with transportation arrangements, export documentation, customs procedures, and shipping coordination to help customers complete delivery more efficiently.
Q: How do you control product quality?
A: Before shipment, every completed undercarriage assembly goes through a complete inspection process. This includes incoming material verification, dimensional inspection, welding quality checks, assembly inspection, and operational testing.
By controlling each stage from material selection to final assembly, we ensure that the finished products meet design requirements and maintain stable performance during actual operation.
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