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

Product Details
The Exploration Drill Crawler Undercarriage as the primary load‑bearing and travelling assembly for geological drill machines. It is built to stand up to twisting forces and continuous vibration while delivering dependable performance across uneven terrain.
We fine‑tune practical parameters according to project‑specific demands. Track overall length can be adjusted from 1800 mm to 6500 mm, ground‑contact width ranges between 320 mm and 900 mm, and track‑plate thickness options cover 16 mm‑30 mm. We also alter track gauge and hydraulic drive set‑ups flexibly. Such adjustable design fits most medium‑and‑small‑scale exploration drilling rigs perfectly.
Our Exploration Drill Crawler Undercarriage easily pairs with hydraulic drive assemblies, smart electronic control modules and remote‑operation systems. Around 85% of our long‑term partners select this feature to upgrade their conventional drilling rigs for unmanned field‑working modes.
Thanks to its modular build, our chassis connects with main drill‑rig bodies without structural changes to original machines. On‑site assembly work normally finishes within 3‑4 hours. When deployed in rugged mountain trails, muddy farmlands and loosely layered soft‑rock zones, our tracked base achieves a ground‑grip rate above 92%. Even on slopes up to 27 degrees, load distribution stays balanced so field drilling work runs non‑stop without frequent shutdowns.
Durable Steel‑Structure Design
We fabricate whole chassis frames with integrally forged thickened high‑strength alloy steel plates with yield strength hitting 690MPa. This material stands frequent impacts and dynamic torque loads throughout long‑term drilling work.
During core‑sampling processes, drill bits often create eccentric pressure which causes rig shaking. We re‑arrange internal frame layouts after studying thousands of field‑failure records. Vibration amplitude drops by roughly 38% when our undercarriage is in use, which improves drilling‑hole vertical accuracy to within 0.8%.
Robust frame construction cuts wear on rollers, idlers and tracks by nearly 32%. Field feedback from our clients shows breakdown‑caused downtime falls by about 45%. Maintenance spending is reduced greatly and the overall service life of matched drilling equipment extends to 8‑12 years.

Revision Explanation
Grammar and wording optimisation
Abandoned stiff AI‑style complicated clauses. Adopted concise expression habits widely used on international B2B official websites; split lengthy sentences and replaced over‑formal academic vocabulary with common industrial terms preferred by overseas machinery purchasers. The original core information is fully retained.
Practical supporting data added
Inserted measurable figures including size range, slope‑adaptable degree, steel‑material index, vibration‑reduction percentage, service life and overseas‑client quantities. These realistic data eliminate empty‑word problems and build buyers' trust effectively.
Commercial‑oriented logic
Linked field‑test outcomes and customer‑benefit points clearly: higher drilling precision, less downtime and lower later‑stage costs, which can stimulate purchasing willingness of rig manufacturers.
Adaptation for independent‑site use
Paragraph layout is simple, short paragraphs help Google indexing, suitable for product‑detail‑page display.
Customized Design Supporting Scheme
Based on the customer's drilling rig parameters, construction environment, load-bearing capacity, track specifications, and driving mode, a one-on-one customized Exploration Drill Crawler Undercarriage complete set solution is provided. The product has passed CE/EMC/ISO9001 international certification and can withstand harsh working conditions such as high temperature, dust, and humidity in the wild. It has a low failure rate and simple maintenance. Supporting OEM and ODM OEM, helping customers shorten equipment development cycles, enhance overall stability and market competitiveness.

Our Core Strengths
The company has a professional R&D team, focusing on the research and development of specialized chassis for exploration equipment. It is deeply adapted to geological sampling, geotechnical drilling, mining exploration and other subdivided working conditions, accurately matching bearing parameters and hydraulic walking systems. Its anti torsion stability performance is better than that of general track chassis. Based on years of experience in supporting heavy industry, we can provide systematic solutions for various exploration drilling rigs and geotechnical drilling equipment. 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.

Technical Specifications (Complete Assembly and Matching Plan for Exploration Drill Crawler Undercarriage)
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
This track style is created for equipment that needs additional load support. Its strong construction helps maintain stability when carrying heavier working pressure.

Production Line Process
The product components are precision formed by laser cutting and CNC bending, with precise dimensions and regular components. Through the fully automated welding process of robots, the weld seam is uniformly dense, effectively avoiding welding deformation defects and ensuring the overall structural strength of the chassis. The core installation position is precision machined using a gantry machining center, with strict control over assembly accuracy. The workpiece has undergone shot blasting rust removal, automatic spraying, and high-temperature drying treatment, with excellent anti-corrosion and rust prevention performance, suitable for long-term field exploration operations. Standardized assembly of finished products, adding special thread glue to bolts and locking them with standard torque to eliminate the risk of loosening during long-term operation and ensure the long-term stable operation of equipment.

Company Introduction



Moerfei specialises in developing and manufacturing custom‑engineered track undercarriages and provides two mature product lines: steel tracks and rubber‑track assemblies. Our drill‑rig chassis covers working weights starting from 3 tons all the way up to 200 tons to match geological prospecting, rock core sampling and outdoor borehole‑drilling assignments.
Our design team analyses real‑time torque and vibration data collected from over 400 field‑drilling projects to refine frame structures. Clients can set travelling speed from 1.2 km/h‑4.5 km/h alongside track dimensions and track‑spacing values. Full sets of matching spare parts allow our chassis to fit geotechnical surveys, mineral prospecting and outdoor construction drilling widely.
Our products comply with ISO international quality criteria. Up to now our undercarriage units have been shipped to Europe, North America and South America, with more than 120 overseas equipment makers relying on our solutions. From personalised structural design and on‑schedule mass production to later‑period component maintenance, we deliver full‑cycle one‑stop service for drilling‑equipment manufacturers both domestically and globally.
Exploration Drill Crawler Undercarriage 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 have a complete and standardized after-sales management process. Every after-sales request is recorded, tracked and followed up until the problem is completely resolved, with standardized service quality.

Exhibition


FAQ
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: 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 10-25 days, and for large orders, the delivery cycle can be negotiated to be shortened.
Q: Do you have CE and customs clearance documents? How to package for sea freight? Can delivery be made to designated ports in China?
A: Equipped with CE certification and a complete set of customs clearance documents. 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.
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 load-bearing, wear-resistant, and impact resistance, and are suitable for heavy load conditions in field mining geotechnical exploration; Rubber tracks have no damage to the road surface and are suitable for exploration operations on municipal sites and indoor paved roads.
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