Murphy Construction Machinery (Shandong) Co., Ltd. is one of the leading manufacturers and suppliers of crawler chassis assembly compact excavator in China. If you're going to buy the newest crawler chassis assembly compact excavator, welcome to get pricelist from our factory. All customized products are with high quality and low price.
Global buyers are always welcome-contact us anytime for the latest models and factory-direct competitive pricing.

1,This excavator undercarriage adapts to different carrier models and worksite types, with adjustable track length, width, shoe thickness, gauge, and drive setup to match your equipment specifications and terrain.
2,Ideal for OEMs, system integrators and global distributors seeking tracked platforms with superior durability, extended service life and flexible layout options.
3,Our Crawler Chassis Assembly for Compact Excavator is built tough, delivering reliable traction and load‑bearing capacity across mud, soft soil, sand, underground job sites and uneven terrain. It maintains stable, hassle‑free performance even during extended heavy‑load operations.
Our Core Strengths
Multiple undercarriage choices provide dependable grip in mud, loose ground, and rugged terrain-so your drill rig,Excavators and a wide range of track‑mounted construction machinery,keeps running productively in tough spots. With far less track slippage and fewer unexpected stops, you can sustain steady work output.

Compatible with various equipment
To guarantee product precision and consistent delivery quality, our factory follows a standardized manufacturing workflow with dedicated inspection checkpoints at every stage.
Production begins with laser cutting, CNC bending, and precision machining-establishing tight tolerances and uniform quality right from the start.
In the final assembly stage, each bolt is tightened to specified torque with thread-locking adhesive. It's a minor step that delivers major benefits-secure joints and extended service intervals.

Technical Specifications (Complete Assembly and Matching Solution for Digger Undercarriage
Honor and qualification
Official certification, professional after sales service.





| CODE NAME | A | B | C | D | E | F | G | H | I | J | APPLICATION |
| *MEFG8 | 934 | 1268 | 194 | 382 | 150 | 426 | 114 | 428 | 624 | 770 | 0.8Ton AERIAL WORK VEHICLE |
| *MEFD15 | 1012 | 1350 | 174 | 353 | 230 | 418 | 198 | 582 | 850 | 1080 | 1.5Ton Dismantling Machine |
| *MEFD30 | 1583 | 2066 | 251 | 523 | 300 | 103 | 282 | 446 | 800 | 1100 | 3Ton Wet Spraying Machine |
| *MEFG35 | 1774 | 2233 | 242 | 475 | 230 | 220 | 170 | 784 | 1100 | 1354 | 3.5Ton Aerial Vehicle |
| MEFZX03 | 1540 | 1930 | 203 | 407 | 230 | 325 | 205 | 370 | 570 | 800 | 3-Ton Underground Drilling Rig |
| MEFZXT05 | 1755 | 2292 | 289 | 570 | 280 | 420 | 230 | 350 | 630 | 910 | 5-Ton Underground Drilling Rig |
| MEFKT08 | 1647 | 2159 | 320 | 540 | 300 | 590 | 430 | 1050 | 1350 | 1650 | 8Ton Exploration Drilling Rig |
| MEFKT10 | 1890 | 2440 | 289 | 576 | 350 | 650 | 250 | 1100 | 1450 | 1800 | 10Ton Exploration Drilling Rig |
| MEFKT10L | 2800 | 3349 | 286 | 573 | 400 | 508 | 253 | 1430 | 1830 | 2230 | 10Ton Exploration Drilling Rig Extended Chassis |
| MEFKT14 | 2191 | 2826 | 335 | 668 | 400 | 410 | 210 | 1400 | 1800 | 2200 | 14Ton Exploration Drilling Rig Extended Chassis |
| MEFKT16 | 2191 | 2826 | 320 | 668 | 400 | 410 | 210 | 1400 | 1800 | 2200 | 16Ton Exploration Drilling Rig Extended Chassis |
| MEFKT16L | 3180 | 3480 | 338 | 676 | 450 | 576 | 376 | 1500 | 1950 | 2400 | 16Ton Exploration Drilling Rig Extended Chassis |
| MEFYSC15 | 3581 | 4216 | 321 | 712 | 450 | 565 | 365 | 1700 | 2150 | 2600 | 15Ton Tracked Transport Vehicle |
| MEFZ100A | 1987 | 2538 | 295 | 583 | 350 | 410 | 230 | 417 | 850 | 1200 | 10Ton Drilling Rig |
| MEFZ100B | 2055 | 2610 | 295 | 583 | 300 | 515 | 175 | 440 | 870 | 1170 | 10Ton Drilling Rig |
| MEFD230 | 3006 | 3736 | 381 | 781 | 500 | 597 | 297 | 1806 | 2500 | 3000 | 23Ton Stacker |
| MEFD300 | 3644 | 4410 | 398 | 802 | 500 | 545 | 295 | 2132 | 2732 | 3414 | 30Ton Reclaimer |
| MEFZ700 | 6120 | 7163 | 541 | 1212 | 800 | 1009 | 693 | 1552 | 2600 | 3400 | 70Ton Drilling Rig |
| MEFD1000 | 5183 | 6150 | 496 | 1062 | 800 | 766 | 330 | 2800 | 3800 | 4600 | 100Ton Stacker |
| Note: 1. The above are standard products that can be customized for design and manufacturing according to user needs. 2. The "*" represents the overall chassis with rubber tracks. 3. Some products can be optionally equipped with rubber blocks. |
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View More Technical Parameters
Compatible with various equipment
Murphy engineering team specializes in chassis adaptation and custom undercarriage design for heavy equipment. We support standard construction machinery, drill rigs and special tracked vehicles for excavation, drilling and crushing work, with custom‑built load‑bearing frames and hydraulic drives tailored to individual machine specifications.
With extensive experience in heavy machinery support, we deliver complete undercarriage systems backed by CNC precision manufacturing and rigorous quality control.Every production phase is closely monitored to maintain high dimensional accuracy and consistent performance. This allows us to handle both small‑batch custom orders and large‑volume overseas projects with equal precision and attention to detail.

Project Cases
Our custom-designed undercarriage keeps drilling rigs steady on frozen and rugged ground, providing reliable traction and stable load support even in severe cold.
For mining‑site operations, we supply perfectly matched track systems built for heavy‑duty ruggedness while complying fully with regional safety standards. We also supply compact, highly maneuverable chassis solutions for special-purpose vehicles-ideal for tight job sites and damp, soft-soil environments.

Own factory production line
Completed undercarriage assemblies are fully inspected and prepared for prompt shipment.
Every chassis undergoes a final inspection prior to packing-securing all structural parts and critical fittings to withstand long‑distance transport.

Factory Scene
Founded in 2022, Murphy Construction Machinery (Shandong) Co., Ltd. is backed by a core team with over a decade of hands-on experience in construction equipment. We combine in‑house R&D, manufacturing, sales and after‑sales support within a streamlined operation.strengths lie in solid technical know‑how, strict quality management and responsive customer support.



Customer Reviews
1. Pre‑sales: Precise Matching with Zero Trial‑and‑Error Cost
With rich application experience covering working conditions in over 30 overseas countries, we provide free structural drawings, technical parameters and comparative adaptation solutions according to customers' host equipment load, operating environment and dimension requirements.
2. In‑sales: Controllable Delivery & Quality Assurance
Fast production for standard in‑stock items and dedicated R&D & manufacturing for non‑standard custom orders. Flexible for small‑batch sample orders and large‑volume full‑container export orders. Our professional foreign‑trade team handles customs declaration, logistics coordination and document communication to guarantee efficient lead time.
3. After‑sales: Worry‑Free Global Support
We offer remote installation guidance, commissioning and working‑condition optimization technical support. Core undercarriage spare parts are kept in stock for quick replenishment, greatly shortening maintenance cycles.

FAQ
FAQ
Q:What tonnage range can your steel track undercarriage assembly support?
A: Our steel track undercarriage supports full‑range custom production from 3 ton to 200 ton, widely used for drill rigs, mobile crushers, mining machinery and special engineering equipment. Please share your working load, ground pressure requirement and terrain condition for precise recommendation.
Q:What working conditions are steel track undercarriages best suited for?
A: Steel track undercarriages excel for heavy‑duty harsh scenarios: quarry, mining, rocky terrain, desert, muddy construction sites.
Q: Which parts are classified as wearing parts not covered under warranty?
A: Track shoes, track chain, rollers, idlers, sprockets are consumable wearing parts, subject to service life according to working condition. We supply spare‑part quotation list together with your order.
Q: What trade terms do you support? FOB, CIF or DDP?
A: We support FOB, CIF, CFR and DDP trade terms. Tell us your destination port or address, we calculate freight cost for you.
Q: How about ground pressure for your custom steel track chassis?
A: Ground pressure can be adjusted by changing track shoe width, frame length and total structure.
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