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

Product Details
The Crawler Undercarriage Assembly for Drilling Rig is the core walking and load-bearing component of drilling equipment, designed and built specifically for rugged terrain and complex exploration conditions in the wild. The total length of the track, grounding width, track plate thickness, overall track gauge, and walking drive mode can be freely adjusted, with high degree of freedom in parameter customization. The equipment is compatible with intelligent systems such as hydraulic control, intelligent electronic control, and remote control, which can meet the upgrading and transformation needs of new intelligent drilling rigs. Adopting an integrated modular structure design, assembly and docking can be quickly completed without changing the structure of the drilling rig host, making installation convenient and widely applicable. It can easily adapt to complex terrain such as sandy, sloping, muddy fields, and rugged mountains. It has strong grip, stable load-bearing capacity, and excellent off-road performance. It is a high-quality supporting product for drilling rig manufacturers, equipment integrators, and engineering foreign trade enterprises.
Product Advantages
The tightening mechanism uses a reliable spring and tension cylinder design to absorb external shocks and maintain proper track tension. This reduces track wear and helps extend the service life of the entire undercarriage system.

Customized Design Supporting Scheme
Tailored a complete solution for the Crawler Undercarriage Assembly for Drilling Rig based on the customer's drilling rig size, field operation environment, load-bearing capacity, track specifications, and driving method. The product has passed CE/EMC/ISO9001 international certification and can withstand harsh working conditions such as high temperature, mud, and dust in the wild. It has strong durability and low maintenance costs. Supporting OEM and ODM OEM, helping customers shorten equipment development cycles, enhance overall stability and market core competitiveness.

Our Core Strengths
Our factory has a dedicated R&D team specializing in the design and development of custom chassis systems for drilling equipment. Based on different application requirements, including geological exploration, foundation piling, and mineral sampling, we are able to optimize key components such as bearing specifications and hydraulic walking systems to ensure reliable performance in various working environments.
With years of experience in the heavy equipment supporting industry, we have developed strong capabilities in providing complete and customized solutions for drilling rigs, exploration machinery, and other specialized tracked engineering equipment. Compared with standard chassis products, our solutions offer better adaptability and stability when operating under complex field conditions.
All products are manufactured through CNC precision machining and supported by a strict quality management system, ensuring full-process traceability from production to delivery. This allows us to maintain consistent accuracy across large production batches and guarantee stable performance, enabling us to efficiently handle large-scale orders from customers worldwide.

Technical Specifications
Retractable whole undercarriage




| CODE NAME | A | B | C | D | E | F | G | H | I | J | K | APPLICATION |
| MEFX300 | 3442 | 4247 | 418 | 943 | 978 | 1080 | 372 | 600 | 1340/2340 | 2000/3000 | 2998/3998 | 30Ton Rotary Drilling Rig |
| MEFX380 | 3706 | 4494 | 405 | 850 | 885 | 977 | 348 | 600 | 1311/2311 | 2000/3000 | 3170/4170 | 38Ton Rotary Drilling Rig |
| MEFX400 | 3442 | 4247 | 418 | 943 | 985 | 1094 | 372 | 700 | 1340/2340 | 2000/3000 | 2998/3998 | 40Ton Rotary Drilling Rig |
| MEFX600 | 4144 | 5069 | 473 | 969 | 885 | 996 | 421 | 700 | 1536/2436 | 2400/3300 | 3552/4452 | 60Ton Rotary Drilling Rig |
| MEFX820 | 4671 | 5584 | 478 | 1099 | 1105 | 1219 | 420 | 800 | 1424/2724 | 2350/3650 | 3576/4876 | 82Ton Rotary Drilling Rig |
| MEFX900 | 4852 | 5812 | 486 | 1123 | 1136 | 1286 | 460 | 800 | 1600/2680 | 2510/3590 | 3812/4892 | 90Ton Rotary Drilling Rig |
| MEFX1000 | 5174 | 6140 | 496 | 1145 | 1212 | 1347 | 450 | 800 | 1790/3090 | 2700/4000 | 3969/5269 | 100Ton Rotary Drilling Rig |
| MEFX1000A | 5176 | 6145 | 495 | 1142 | 1257 | 1398 | 445 | 800 | 1094/2394 | 2200/3500 | 3000/4300 | 100Ton Rotary Drilling Rig |
| MEFX1200 | 5582 | 6562 | 486 | 1155 | 1140 | 1296 | 460 | 800 | 1685/3045 | 2720/4080 | 3989/5349 | 120Ton Rotary Drilling Rig |
View More Technical Parameters
Chassis Components
The anti-wear track is developed for long-term use in abrasive environments. Its durable rubber compound helps resist daily wear and keeps the track performing consistently.

Production Line Process
The equipment components are precision formed by laser cutting combined with CNC bending, with precise dimensions and high component regularity. Adopting automated robot welding technology, the weld seam is uniform and firm, effectively avoiding welding deformation problems and ensuring the structural strength and consistency of the entire machine. The core installation base and positioning holes are precision machined by a gantry machining center, strictly controlling the assembly accuracy. The workpiece has undergone shot blasting rust removal, automatic spraying, and high-temperature drying treatment, and has excellent anti-corrosion, rust proof, and outdoor corrosion resistance properties. The finished product adopts a standardized assembly process, where all bolts are filled with specialized thread glue and locked with standard torque to eliminate the risk of loosening during long-term field operations and ensure the long-term stable operation of the 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.
Crawler Undercarriage Assembly for Drilling Rig 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
For complex product debugging and equipment failure problems, we provide global on-site after-sales service. Our professional engineers arrive at the site to conduct inspection, repair and optimization services.

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 heavy-duty drilling conditions in field mines; Rubber tracks do not damage the road surface and are suitable for municipal exploration, indoor and pavement operations.
Q: How to package for sea freight? Can delivery be made to designated ports in China?
A: The finished product is reinforced with rust proof spray coating, steel frame, and solid wood frame for packaging. It supports FOB, CIF, DDP and other trade terms, and can accurately calculate shipping costs. Large orders can be delivered to designated ports in China for free.
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