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

Product Details
Our heavy-duty Heavy duty tracked chassis is designed specifically for various types of tracked machinery, providing excellent stability, durability, and mobility. The complete track chassis system is made of high-quality steel and precision engineering components, which can withstand harsh working environments and provide reliable performance over a long service life.
Whether your equipment operates on muddy construction sites, rugged mining areas, sandy deserts, or undulating farmland, our steel track chassis has excellent traction, load-bearing capacity, and maneuverability. For original equipment manufacturers, equipment integrators, and industrial machinery suppliers seeking reliable track chassis systems, this is an ideal choice.
Our Advantages
With years of professional experience in manufacturing heavy-duty tracked chassis, we provide reliable chassis solutions for construction machinery, agricultural equipment, drilling platforms, crushers, and customized tracked vehicles. Our senior engineering team ensures that each chassis has excellent durability, stability, and performance under harsh working conditions.

Customized Design Solutions
Each application has unique and specific requirements. We can provide customized track chassis assembly solutions based on your device size, operating conditions, load capacity, track width, and drive system. Simultaneously providing OEM and ODM services to help customers shorten development cycles and improve equipment performance.

Product Application
Our tracked chassis is designed for a wide range of heavy-duty equipment. It can be used in excavators, underground drilling rigs, exploration drilling rigs, roadheaders, slag scrapers, and power supply vehicles. With its strong load capacity, excellent stability, and reliable performance, the tracked chassis provides an ideal mobility solution for demanding construction, mining, and engineering applications.

Technical Specifications (Crawler Chassis Assembly Solution)
X-shaped crossbeam overall chassis




| CODE NAME | A | B | C | D | E | F | G | H | I | J | K | APPLICATION |
| *MEFW25 | 1540 | 2030 | 250 | 520 | 535 | 578 | 230 | 300 | 1165 | 1250 | 1550 | 2.5Ton excavator |
| *MEFW35 | 1635 | 2110 | 260 | 525 | 540 | 585 | 245 | 300 | 1340 | 1440 | 1740 | 3.5Ton excavator |
| *MEFW60 | 2060 | 2575 | 275 | 595 | 635 | 705 | 370 | 400 | 1560 | 1600 | 2000 | 6Ton excavator |
| *MEFW70 | 2197 | 2823 | 327 | 694 | 723 | 776 | 390 | 450 | 1318 | 1800 | 2250 | 7Ton excavator |
| MEFW100 | 2414 | 3065 | 340 | 690 | 754 | 804 | 440 | 450 | 1404 | 1450 | 2350 | 10Ton excavator |
| MEFW120 | 2743 | 3475 | 380 | 766 | 817.5 | 870.5 | 443.5 | 500 | 1273 | 1900 | 2400 | 12Ton excavator |
| MEFW200 | 3360 | 4160 | 410 | 940 | 993 | 1075 | 475 | 600 | 2180 | 2200 | 2800 | 20Ton excavator |
| MEFW300 | 4030 | 4940 | 464 | 1068 | 1090 | 1230 | 525 | 600 | 2560 | 2600 | 3200 | 30Ton excavator |
| MEFW360 | 4080 | 5045 | 475 | 1173 | 1205 | 1352 | 562 | 600 | 2480 | 2600 | 3200 | 36Ton excavator |
| MEFW500 | 4410 | 5460 | 540 | 1195 | 1215 | 1385 | 585 | 600 | 2520 | 2760 | 3360 | 50Ton excavator |
| MEFD150 | 2565 | 3208 | 341.5 | 714.5 | 855.5 | 855.5 | 355.5 | 450 | 1250 | 1810 | 2260 | 15Ton Vertical Pole Machine |
| MEFD150A | 2333 | 3062 | 364.5 | 793 | 858 | 838 | 358 | 400 | 975 | 1435 | 1835 | 15Ton Pillow Changing Machine |
| MEFF220 | 3640 | 4480 | 448 | 1036 | 1133 | 1222 | 660 | 700 | 2055 | 2795 | 3495 | 22Ton Wood Grabbing Machine |
| MEFD500 | 4470 | 5479 | 521.5 | 1181 | 1194 | 1324 | 574 | 800 | 1780 | 2740 | 3540 | 60Ton Pile Driver |
| MEFZ500 | 4871 | 5801 | 472 | 1136 | 1302 | 1287 | 534 | 600 | 2990 | 4000 | 4642 | 50Ton Material Loading And Unloading Machine |
| MEFD1000A | 4010 | 5150 | 552 | 1264 | 1213 | 1358 | 588 | 900 | 2760 | 3660 | 4614 | 100Ton Fabric Machine |
| Note:1. The above are standard products that can be customized for design and manufacturing according to user needs; 2. "*" represents the overall chassis of rubber tracks; 3. Some products can be optionally equipped with rubber blocks. |
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Chassis Components
We provide a full range of customized tracked chassis assemblies for various engineering and industrial equipment. Whether for excavators, exploration drilling rigs, mining drilling rigs, power vehicles, or other special-purpose machinery, our tracked chassis can be tailored to meet your specific requirements. With flexible design, reliable performance, and high load capacity, we deliver customized solutions for virtually all types of crawler-based equipment.

Production Process Line
We strictly follow 8 standardized manufacturing procedures from design to delivery, detailed as below:
- Drawing Design Professional engineers complete product drawing design and technical parameter confirmation to lay a clear blueprint for subsequent production.
- Laser Blanking Cutting Adopt high-precision laser cutting equipment for raw material blanking, to ensure cutting accuracy and material utilization rate.
- Bending Forming Carry out precision bending processing for cut workpieces, to shape parts to meet required structural dimensions.
- Group Welding by Robot Industrial robotic arms perform automatic assembly welding, which guarantees stable welding quality and high production efficiency.
- Gantry Machining Center Processing Finish precision machining on welded components with a gantry machining center to meet strict dimensional tolerance requirements.
- Shot Blasting & Spray Painting Conduct shot blasting for surface rust removal and roughness adjustment first, then implement spray painting treatment to achieve anti-corrosion and attractive surface finish.
- Assembly Assemble all finished machined and painted parts into complete finished products with standardized assembly operations.
- Shipment Conduct final product inspection, load qualified goods and arrange delivery to customers.

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 Tracked 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
Our customers highly appreciate the quality and reliability of our track undercarriage solutions. With a 5.0/5 overall rating, we are recognized for excellent supplier service, on-time delivery, and outstanding product performance.
From excavation projects and mountain infrastructure to tropical mining operations, our durable undercarriages provide stable performance, strong traction, and long service life in challenging environments. Customers value our customized solutions, professional support, and dependable quality.
Trusted by global customers for heavy-duty applications.

FAQ
Q: Which mechanical equipment can use a rail track crawling chassis assembly?
A: Suitable for tracked robots, drilling platforms, agricultural machinery, aerial work platforms, transportation carriers, mining equipment, and various customized industrial machinery.
Q: Can you produce according to our drawings?
A: Yes. Our engineering team can customize and produce exclusive chassis assemblies based on the drawings, dimensions, or technical specifications provided by customers.
Q: Can you customize steel track chassis of different tonnages and what is the maximum load-bearing capacity?
A: Customization of 3-200 tons full specification OEM/ODM, suitable for exploration machines, slag removal machines, rotary drilling rigs, and micro excavators; The main body adopts the 40Mn2 alloy steel integral quenching process, which has stable bearing capacity and is not easily deformed under harsh working conditions such as mining, gravel, and mud.
Q: How long is the production lead time? Do regular models have stock for quick delivery?
A: Standard stock items can be arranged for shipment within 7-10 working days, while customized chassis production takes 15-30 days. The packaging is reinforced with fumigated wooden pallets or steel frames, providing one-stop services for domestic towing, customs clearance, and booking, saving overall logistics cycles.
Q: How do you ensure product quality?
A: All products must undergo a strict inspection process before shipment, including material verification, dimensional testing, welding quality inspection, assembly testing, and final quality inspection.
Q: How long is the product warranty period? Can after-sales vulnerable parts be supplied in a long-term matching manner?
A: The whole machine has a one-year warranty, and there is a constant inventory of vulnerable parts such as track chains, drive wheels, guide wheels, and support wheels. We provide online video installation, debugging, and troubleshooting technical support to reduce equipment downtime losses.
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