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

Product Details
Undercarriage for Rotary Drilling Rig is the core load-bearing walking component of the rotary pile foundation equipment, which is specifically adapted to the high torque and high load construction characteristics of rotary excavation operations. The equipment can flexibly adjust the total length of the track, grounding width, track plate thickness, overall track gauge, and walking drive structure, with comprehensive customization dimensions. Native adaptation of intelligent systems such as hydraulic control, intelligent electronic control, and remote control can meet the upgrading and transformation needs of new intelligent rotary drilling equipment. Adopting a modular integrated structure, it can be quickly assembled and docked without changing the device host structure, with high installation efficiency and wide adaptability. It can stably cope with complex working conditions such as muddy construction sites, soft soil layers, and undulating outdoor fields, with stable grip, balanced bearing capacity, and strong off-road passability. It is the preferred accessory for rotary excavation equipment manufacturers, engineering integrators, and foreign trade supporting enterprises.
Our Core Strengths
The factory has a professional R&D team dedicated to the specialized research and development of rotary pile foundation equipment chassis. It can combine differentiated working conditions such as pile foundation drilling, geotechnical construction, and foundation renovation to accurately match bearing parameters and hydraulic walking systems. The adaptability of pile foundation working conditions far exceeds that of general track chassis. After years of deep cultivation in the field of heavy industry supporting equipment, we can provide one-stop supporting solutions for various rotary excavation equipment, exploration machinery, and special track equipment. Full line CNC precision machining, combined with a full process traceability quality control system, ensures uniform accuracy and stable performance of batch products, and can undertake large quantities of foreign trade orders at home and abroad.

Customized Design Supporting Scheme
Based on customer equipment parameters, construction scenarios, load-bearing capacity, track specifications, and driving methods, a customized Undercarriage for Rotary Drilling Rig set solution is provided one-on-one. The product has passed CE/EMC/ISO9001 international certification and can withstand harsh working conditions such as outdoor dust, humidity, and heavy loads. It has a low failure rate and easy maintenance. Supporting OEM and ODM OEM, helping customers shorten equipment development cycles, enhance overall stability and market competitiveness.

Durable Steel Structure Configuration
Crawler Undercarriage for Rotary Drilling Rig is made of thickened high-strength alloy steel plate forged and formed, which has excellent wear resistance, impact resistance, and deformation resistance. It can withstand the high-frequency and continuous heavy load operation load of the rotary drilling equipment for a long time. In response to the unique torque vibration and unbalanced load issues of rotary excavation operations, the mechanical structure of the frame has been specially optimized to effectively buffer operational vibrations and greatly improve the overall stability of the machine operation. The high-strength integrated structure effectively reduces the wear and tear of accessories, reduces the frequency of failures and shutdowns, lowers on-site operation and maintenance costs, and significantly extends the overall service life of rotary drilling rigs.

Technical Specifications (Complete Assembly and Matching Plan for Crawler Undercarriage for Rotary Drilling Rig)
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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View More Technical Parameters
Chassis Components
The wide track design increases the contact area with the ground, helping improve machine balance. It is a practical choice for soft ground applications where extra support is needed.

Production Line Process
The product components are finely formed by laser cutting and CNC bending, with precise dimensions and regular components. Through robot automated welding technology, the weld seam is full and firm, effectively avoiding welding deformation and ensuring the overall structural strength and unity of the chassis. The core installation base and positioning holes are precision machined by a gantry machining center, with strict and controllable 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 outdoor construction. Standardized assembly of finished products, adding 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.

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 for Rotary 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
Our professional technical team offers standardized global after-sales services. We respond to customer technical inquiries and product-related questions in the shortest time to ensure smooth equipment operation.

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