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

Quickly Understand the Factory
Moerfei focuses on the research and manufacturing of supporting equipment for pile driving machinery, with two mature supporting systems of steel and rubber tracks. The self-developed Complete Undercarriage Assembly for Piling Rig supports personalized customization of full tonnage ranging from 3 tons to 200 tons, accurately adapting to high-strength heavy load conditions such as foundation pile driving, foundation pit construction, field pile foundation construction, and soil compaction. Targeting the operational characteristics of high-frequency hammering and high torque impact loads of pile drivers, the chassis structure and hydraulic walking performance are optimized to significantly improve the bearing capacity and operational stability of complex outdoor sites. The walking speed, track specifications, overall size, and load-bearing parameters of the equipment can be customized according to needs. The accessories are fully matched and widely applicable to scenarios such as infrastructure pile foundations, field engineering, and geotechnical construction. The product meets international export standards and is exported to overseas regions such as Europe, America, South America, and North America. With customized design, mass production, and after-sales maintenance services, we provide one-stop supporting solutions for global pile equipment manufacturers.
A piling rig requires a stable and durable undercarriage system to operate efficiently in complex construction environments. Our Complete Undercarriage Assembly for Piling Rig is engineered to provide excellent load support, smooth movement, and long service life for various foundation drilling applications. Designed by experienced engineers and manufactured with strict quality control, our undercarriage solutions help contractors improve equipment reliability while reducing maintenance costs.
Product Advantages
Each component, including rollers, sprockets, track shoes, and bearings, is manufactured to meet strict quality requirements. The result is a crawler system with consistent performance and extended service life.

Customized Supporting Solutions
Different piling rigs may have unique requirements in terms of dimensions, load capacity, travel speed, and installation conditions. To solve these challenges, we provide customized undercarriage solutions based on customer specifications.
Our engineering team can adjust track width, frame dimensions, hydraulic configurations, mounting positions, and component selection to match different machine models. We also offer replacement solutions for aging equipment, helping customers upgrade performance without replacing the entire machine.
Before production, we communicate technical details with customers to confirm drawings, operating environments, and expected service conditions. This approach ensures the final product delivers reliable performance after installation.

Structural Configuration and Component Design
The undercarriage system is built with a robust modular structure that ensures stability during heavy-duty operations. The main frame uses high-strength steel materials with optimized welding technology to withstand continuous impact, vibration, and uneven working conditions.
Key components include reinforced crawler frames, track chains, drive sprockets, idler assemblies, hydraulic travel motors, rollers, and tensioning devices. Each part is carefully matched according to the piling rig model, machine weight, and operating requirements.
The crawler design provides a larger ground contact area, allowing the piling rig to maintain balance on soft soil, muddy areas, and challenging construction sites. The hydraulic travel system delivers precise control and flexible movement, helping operators achieve better efficiency during transportation and positioning.

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
Featuring an extended frame structure, this style improves balance during drilling operations. It provides better support for large equipment.

Production Process and Quality Control
The manufacturing process starts with high-quality steel preparation and precision cutting. After forming and machining, key structural parts undergo professional welding to enhance strength and durability.
Following welding, each component is processed through surface treatment to improve corrosion resistance. Critical parts such as shafts, rollers, and mounting areas receive accurate machining to guarantee proper fitting and smooth operation.
Before delivery, every undercarriage assembly goes through dimensional inspection, component testing, and performance evaluation. This complete quality control process helps prevent potential failures and ensures stable operation in demanding construction environments.
Choosing a dependable supplier means more than purchasing a component; it means securing long-term equipment performance. Our Complete Undercarriage Assembly for Piling Rig combines engineering expertise, manufacturing strength, and customized service to support customers in achieving higher productivity and lower operating risks.

Factory Advantages and Manufacturing Capability



With years of experience in heavy equipment components, our factory focuses on producing reliable undercarriage systems for global construction machinery markets. We have advanced CNC machining equipment, automated welding facilities, and professional inspection tools to ensure every product meets strict performance standards.
Our production team understands the working conditions of piling equipment and continuously improves product design based on real application feedback. From raw material selection to final assembly testing, every process follows a controlled quality management system.
Compared with standard market products, our Complete Undercarriage Assembly for Piling Rig offers better adaptability, stronger structural performance, and more flexible supply options. We support both large-volume orders and customized projects for equipment manufacturers, dealers, and contractors worldwide.
Complete Undercarriage Assembly for Piling 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
Each cooperative customer is equipped with an exclusive after-sales manager, responsible for daily service docking, demand follow-up and problem handling to ensure one-to-one intimate service.

Exhibition


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