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

Product Details
The All Terrain Steel Track Undercarriage is designed as the main support and traveling system for drilling equipment. It carries the complete machine load while providing mobility across different ground conditions.
Compared with standard transportation chassis, drilling crawler undercarriages require stronger resistance against vibration, impact, and uneven loading during operation. Moerfei systems use heavy-duty steel structures and reinforced components to support continuous field applications.
The crawler system can be configured according to specific drilling equipment requirements. Adjustable specifications include:
● Track length
● Track width
● Ground contact area
● Steel plate thickness
● Track gauge
● Drive motor configuration
● Mounting interface dimensions
For example, depending on machine weight and terrain conditions, the ground contact width can be increased to reduce ground pressure and improve stability on soft soil or muddy areas.
The undercarriage supports integration with hydraulic control systems, electronic monitoring modules, and remote operation solutions. The modular mounting design helps customers complete installation without major changes to the original drilling equipment structure.
For applications such as hillside drilling, muddy construction sites, loose soil areas, and rocky terrain, the crawler system provides continuous traction and balanced load distribution to maintain stable movement.
Product Advantages
The track frame assembly features a robust welded structure that offers outstanding resistance against impact and deformation. Each component is carefully processed to ensure accurate fitting and dependable operation. It is an ideal solution for construction machinery working under heavy loads and challenging conditions.

Customized Design Support
Moerfei develops crawler undercarriage solutions based on the customer's drilling rig model, working environment, required load capacity, track specifications, and drive system.
Before production, our engineers confirm key technical information including:
- Machine weight and center of gravity
- Required travel speed
- Hydraulic motor specifications
- Mounting hole positions
- Working terrain conditions
After technical confirmation, customers can receive engineering documents including 2D layouts, 3D models, and assembly drawings to assist with equipment integration.
The crawler chassis is designed for outdoor environments involving dust, humidity, heavy loads, and long operating hours. OEM and ODM cooperation are available for customers developing new drilling equipment models or upgrading existing machines.

Durable Steel Structure Configuration
The undercarriage frame is manufactured using heavy-duty steel plates and structural components selected according to equipment load requirements.
During design, the frame structure is analyzed according to static load, dynamic impact, and operating vibration conditions. The optimized structure helps distribute machine weight evenly across the crawler system and reduces stress concentration during drilling operations.
For outdoor equipment applications, the chassis components are treated with surface protection processes to improve resistance against dust, moisture, and corrosion. Under normal operating conditions, the designed service life of major structural components can reach several years depending on workload and maintenance conditions.

Technical Specifications (Complete Assembly and Matching Solution for All Terrain Steel Track Undercarriage)


| CODE NAME | TYPE | A | B | C | D | E | F | G | APPLICATION |
| MEFH55 | A | 1683 | 2133 | 608.5 | 885 | 400 | 557 | 757 | 5.5Ton Skid Steer Loader |
| MEFZ70 | A | 1792 | 2345 | 301 | 597 | 300 | 228 | 378 | 7Ton Tunneling Machine |
| MEFD90A | A | 2269 | 2806 | 288 | 582 | 400 | 235 | 435 | 9Ton Pipe Laying Machine |
| MEFD100 | E | 3473 | 4023 | 295 | 670 | 300 | 475 | 475 | 10Ton Underground Mobile Equipment |
| MEFZ100 | A | 2190 | 2754 | 292 | 601 | 300 | 227 | 387 | 10Ton Drilling Rig |
| MEFZ110 | D | 2095 | 2705 | 309.5 | 652 | 400 | 360 | 560 | 11Ton Drilling Rig |
| MEFZ120 | B | 2115 | 2626 | 262 | 527 | 300 | 233 | 395 | 12Ton Drilling Rig |
| MEFZ140 | D | 2513 | 3125 | 301.5 | 686 | 400 | 505 | 656 | 14Ton Drilling Rig |
| MEFZ150 | D | 2653 | 3384 | 380.5 | 839 | 400 | 543 | 725 | 15Ton Drilling Rig |
| MEFP150 | A | 3432 | 4061 | 327 | 649 | 300 | 277 | 471 | 15Ton Material Conveyor |
| MEFZ180 | A | 3968 | 4733 | 393.5 | 800 | 500 | 347 | 599 | 18Ton Drilling Rig |
| MEFY200 | A | 3751 | 4540 | 419 | 844 | 500 | 397 | 647 | 20Ton Dam Transport Machine |
| MEFP250 | A | 3311 | 4030 | 332.5 | 738 | 400 | 262 | 462 | 25Ton Mobile Crushing Station |
View More Technical Parameters
Chassis Components
Designed with a focus on machine balance, this crawler track helps maintain steady operation during drilling. It improves overall control on uneven ground.

Production Line Process
Chassis components are manufactured through laser cutting and CNC bending processes. This production method ensures consistent dimensions and improves repeatability for batch manufacturing.
For frame welding, Moerfei uses robotic welding equipment combined with professional welding procedures. Compared with manual welding only, robotic welding provides more consistent weld quality and reduces deformation caused by uneven heat input.
After welding, key mounting areas are processed by gantry machining centers. Critical installation surfaces, including drive mounting positions and connection interfaces, are machined to ensure accurate assembly between the crawler chassis and drilling equipment.
The surface treatment process includes:
- Shot blasting for removing rust and surface impurities
- Anti-corrosion coating application
- High-temperature drying treatment
These processes improve coating adhesion and help protect the chassis during long-term outdoor operation.
During final assembly, each bolt connection is tightened according to specified torque values. Thread-locking adhesive is applied to important fastening points to reduce loosening risks caused by continuous vibration.
Before shipment, finished crawler chassis units undergo assembly inspection and operational testing to confirm movement performance and installation accuracy.

Core Advantages of the Factory



Moerfei's engineering team focuses on crawler undercarriage development for drilling applications, including geological drilling, rock drilling, mining sampling, and foundation construction.
Instead of using a standard crawler model for all equipment, we evaluate each project based on:
- Equipment total weight
- Drilling torque requirements
- Operating terrain
- Hydraulic system parameters
- Installation space limitations
This matching process helps ensure that the crawler chassis works properly with the customer's drilling machine.
The factory is equipped with CNC machining equipment, laser cutting systems, welding stations, and assembly facilities. Key structural components are processed with machining accuracy controlled within ±0.05 mm–±0.1 mm depending on component requirements.
Each production stage follows inspection procedures, including incoming material inspection, welding inspection, machining verification, and final assembly testing. This allows every production batch to maintain consistent dimensions and performance.
With production capacity for both standard and customized orders, Moerfei can support small trial projects as well as large-volume international shipments.
All Terrain Steel Track 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 provide genuine original spare parts replacement service for all products. Strictly consistent with factory manufacturing standards, the spare parts ensure product performance and overall stability after replacement.

Exhibition


FAQ
Q: Can the tonnage be customized?
A: Yes. Moerfei provides crawler undercarriage solutions from 3 tons to 200 tons according to customer equipment requirements.
Standard models can be supplied for faster delivery. Customized designs usually require 10–25 working days, depending on structural complexity, component requirements, and order quantity.
Q: Can the equipment width and overall length be customized?
A: Yes. The chassis length, width, track gauge, ground clearance, and mounting interfaces can all be modified according to the customer's drilling equipment.
After technical confirmation, Moerfei provides 2D drawings, 3D models, and assembly drawings to support installation preparation.
Q: Do you provide CE certification and customs clearance documents? Can products be delivered to designated ports in China?
A: Yes. Moerfei provides CE certification and complete export documentation required for international shipments.
We support international trade terms including FOB, CIF, and DDP. Shipping arrangements can be coordinated according to customer requirements, including delivery to designated domestic ports.
Q: What is the warranty period for the complete machine?
A: The crawler undercarriage comes with a one-year warranty period.
Common wearing parts such as track components, rollers, and related accessories are regularly stocked to support maintenance and replacement requirements.
Q: How do I choose between steel tracks and rubber tracks?
A: Steel tracks are mainly used for heavy-duty drilling applications where equipment operates under high loads, strong vibration, and abrasive conditions. They are commonly selected for mining, quarrying, geological exploration, and foundation projects.
Rubber tracks are more suitable for applications where ground protection is important, such as municipal construction, indoor projects, and areas requiring reduced surface damage.
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