• Bulldozers at work in gravel mine


Unleash the Power of the WJ-4: The Ultimate Solution for Competitive, Compact, and Cost-effective Underground Mining

The WJ-4 is a highly sought-after underground mining loader that is known for its competitive, compact, and cost-effective features. With its powerful engine, this loader guarantees exceptional power and performance, even in the most challenging mining conditions.

Competitiveness is a key aspect of the WJ-4 loader. It is designed to outperform its competitors in terms of efficiency and productivity. The advanced technology and engineering behind this machine ensure that it can handle heavy loads with ease, making it a valuable asset in any mining operation.

Compactness is another notable feature of the WJ-4 loader. Its compact size allows it to maneuver through narrow tunnels and tight spaces effortlessly. This is crucial in underground mining where limited space is a common challenge. Despite its size, the WJ-4 does not compromise on power or performance, making it an ideal choice for mining companies looking to optimize their operations.

Cost-effectiveness is a significant advantage of the WJ-4 loader. Its efficient design and fuel economy result in reduced operating costs, allowing mining companies to maximize their profits. Moreover, the durability and reliability of the WJ-4 ensure minimal downtime and maintenance expenses, further contributing to its cost-effectiveness.

If you are in the mining industry and looking for a loader that offers exceptional power, efficiency, and cost-effectiveness, the WJ-4 is the perfect choice. Contact us now to explore the capabilities of this remarkable underground mining equipment.

Product Detail

Product Tags

DALI WJ-4 is a new compact and lightweight 4.5-metric-10ton-capacity Load Haul Dump (LHD) for narrow vein mining. Best payload to own weight ratio in its class. It offers both reduced dilution, better flexibility and operator safety when working in narrow vein operations. The WJ-4 is full of features to help mines maximize tonnes and minimize extraction costs. Engineered to optimize machine width, length and turning radius, enabling operation in narrower tunnels for less dilution and lower operational costs.

Technical Specification



Tramming Size
Standard Bucket
4.5 m3
Min Ground Clearance
Tramming capacity
10 Ton
Max Lift Height
Max Breakout Force
Max Traction
Discharge distance
Ramp Grade



4 th Gear
0~27.4 km/h
Operation Weight
25500 kg
Boom Raising Time
Laden Weight
35500 kg
Boom Lowering Time ≤3.7s Front Axle(Empty)
Dumping Time ≤2.9s Rear axle(Empty)
Oscilation Angle ±8° Front Axle(laden)

Power Train



Diesel engine
Volvo TAD1150VE Brand
Cooling system
Liquid cooled and piston
pump driven cooler fan
235kw @ 2100rpm
6 in line


1581 Nm
Tier 3, Euro Stage III
19D / D81
Purifier Brand ECS(Canada) Type Rigid planetary axle
Purifier Type Catalytic purifier with silencer


♦The frames are articulated with 38° steering angle.

♦Ergonomics Canopy with side seat to provide good bi-directional view of operation.

♦An enhanced boom and load frame geometry optimizes digging performance.

Operation Comfort & Safty

♦4 wheels driving & braking.

♦Combination design of parking brake & working brake ensures good braking performance. Braking model is SAHR(spring applied, hydraulic release).

♦Front axle is equipped NO-SPIN differential. While rear is ANTI-SLIP.

♦Hydraulic joystick control for working to reduce the labor intensity of the driver.

♦Low vibration level in cab

Early Warning & Maintenance

♦Automatic alarm system for oil temperature, oil pressure and electrical system.

Enegy-saving & Enviroment Friendly

♦Germany Deutz engine with air-cooling and turbocharging, powerful and low-consumption.

♦Canada ECS catalytic purifier with silencer, which greatly reduces air and noise pollution in working laneway.


Business type

We are a self-owned factory with years of production and export experience.


Company location

Our factory is situated in Yantai, Shandong Province, China, a location that boasts both a harbor and an international airport. Additionally, it enjoys close proximity to Qingdao Airport and harbor, providing our customers with great convenience for visiting and shipping goods.


Employee headcount

We have over 100 employees, including experienced engineers (R&D, quality inspection, and after-sales), workers, and salespersons. Additionally, we have local salespersons in some countries.


Main markets

Our products are mainly sold to Peru, Chile, Bolivia, Colombia in South America, Russia, and Kazakhstan in the Commonwealth of Independent States, as well as some countries in Africa, Eastern Europe, and Southeast Asia. We participate in exhibitions in these regions and visit local customers to understand the needs of customers in different regions and maintain stable cooperative relationships.


Main products

Underground mining equipment(underground mining scooptram, underground mining truck, underground service vehicle, underground electric locomotive, rock splitter, and underground concrete mixer truck, etc.), mineral processing equipment(crush, feeder, leaching tank, vibrating screen, and shaking table, etc.))  and related accessories and spare parts(engine, converter, transmission, axle, tire, filter, etc.).You can check them on our homepage or contact us for details.


Patents and certifications

We have some practical patents for our products and have passed CE, ISO9001, and other authoritative certifications. You can check them on our homepage or contact us for details.


Equipment maintenance

Underground mining equipment requires regular maintenance to ensure optimal performance and safety. This may involve routine inspections, lubrication, replacement of parts(we recommend you purchase some parts along with the equipment for convenient replacement and low shipping), and repairs as needed. We can provide online maintenance guidelines and support.


More information

To learn more about our company's information and products, you can follow us on Facebook, Pinterest, YouTube, LinkedIn, Instagram, and VK. You can also browse our website(www.qxdali.com) or contact us through WhatsApp, WeChat, and Telegram.

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