UK-4D Underground Mining Dump Truck

This vehicle is professionally designed for underground roadway conditions. It adopts four-wheel drive and strong climbing performance, with a maximum gradeability of 16. The articulated frame provides a small turning radius and excellent trafficability. Full-hydraulic steering ensures light, flexible and stable steering operation.

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Product details

Machine Features

This vehicle is professionally designed for underground roadway conditions. It adopts four-wheel drive and strong climbing performance, with a maximum gradeability of 16°. The articulated frame provides a small turning radius and excellent trafficability. Full-hydraulic steering ensures light, flexible and stable steering operation.

The ultra-low driving position and low overall vehicle height make it especially suitable for low-profile roadways. It is equipped with dual exhaust purification through precious metal catalysis and water washing, achieving low emission and low pollution. The front and rear wet brake axles ensure safe and reliable driving and parking.

The vehicle adopts continuously variable transmission for comfortable, light and convenient operation. It is fitted with solid tires for puncture resistance and wear resistance. The thickened cargo box plate is sturdy, reliable and durable.

Versions equipped with wet brake axles have obtained the national KA Mining Product Safety Mark Certificate. The product complies with national safety and environmental protection policy requirements.

Main Technical Parameters

Item	Specification
Bucket Capacity	2.3 m³
Rated Load	4,000 kg
Traction Force	≥48 kN
Overall Dimension (Transport, Dry Axle) L×W×H	4,700 × 1,700 × 1,900 mm
Overall Dimension (Transport, Wet Axle) L×W×H	4,780 × 1,720 × 2,040 mm
Cargo Box Interior Dimension L×W×H	2,790 × 1,700 × 620 mm
Max. Unloading Height	3,400 mm
Min. Ground Clearance	265 mm
Max. Gradeability	16°
Min. Turning Radius (Outer)	≤4,800 mm
Min. Turning Radius (Inner)	≤2,700 mm
Total Machine Mass	4,600 kg
Wheel Base	2,270 mm
Track Width	1,410 mm
Drive Type	4-wheel Drive

Braking System

Item	Specification
Service Brake	Front and rear axles, wet brake
Parking Brake	Spring brake release, acting on front and rear axle wet brakes
Emergency Brake	Spring brake release, acting on front and rear axle wet brakes
Brake Operation	Hydraulic control cut-off brake
Exhaust Brake	Standard

Transmission System

Item	Specification
Torque Converter	Included
Gearbox	Fixed-shaft power shift, straight tooth constant mesh
Forward Speed I	8 ±1 km/h
Forward Speed II	25 ±3 km/h
Reverse Speed I	9 ±1 km/h
Reverse Speed II	20 ±3 km/h
Final Drive	Spiral bevel gear drive
Tire Model	33×12-20 solid tire

Engine

Item	Specification
Engine Model	Yuchai YC4DK90-T304 (Stage III)
Type	Inline, water-cooled, 4-stroke, direct injection
Rated Power / Speed	66 kW / 2,400 rpm
Fuel	Diesel

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A: The industry data just released is too explosive! In October 2025, forklift sales 114,300 units, domestic and foreign sales soared by double digits (domestic sales + 16.2%, export sales + 15.4%), and the cumulative sales from January to October exceeded 1.22 million units, surging 14.2% year-on-year! On the one hand, JD.com spent 100 billion to purchase 3 million logistics robots, and on the other hand, hydrogen forklifts single order surged 108 units. The forklift industry is experiencing a "green + intelligent" dual revolution. These changes!

Q: How does a smart forklift work?

A: Have you seen how a smart forklift works? Recently, CCTV news came to Hefei and walked into the intelligent workshop of Anhui Forklift Group. Let's follow the camera. This 67-year-old enterprise is on a path of transforming and upgrading traditional industries and developing new quality productivity. Now I have come to the debugging and testing area of the mobile robot. More than a dozen cars behind me are conducting sensor calibration and basic function testing here. I am now standing on its forward path. In the eyes of the robot, I am an obstacle, and it will automatically stop.

Q: Smart Forklift "Create a new model of safety supervision?

A: According to the staff of Xinhe Food, the system integrates a number of intelligent management functions, and builds a comprehensive protection system through comprehensive digital control of personnel, vehicles and behaviors. The personnel management module realizes the digitization of the driver's account and real-time early warning; the vehicle positioning function ensures the safe operation of the forklift in the electronic fence; the operation early warning actively reminds to fasten the seat belt; the identification mechanism strictly restricts only the filing personnel to operate the vehicle, fundamentally eliminating unlicensed driving. At the same time, the system also has data analytics capabilities to provide reliable data support for vehicle scheduling and performance mangement.

UK-4 Underground Mining Trucks

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