Air Brake Underground Dump Truck

20-30 Ton

Underground Dump Truck with Air Brake

Dump truck for transporting in underground mines and tunnels

Key Parameters

Engine power 330-400HP
Rated payload 20-30t
Dump body capacity 8.8-15m³

Applications
Slope transportation in underground mining operations.

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Products
Underground Dump Truck
Air Brake Underground Dump Truck

Specifications
Configurations

Specifications

Model	TLK321	TLK361	TLK451
Rated payload (t)	20	25	30
Engine power (HP)	330	350	400
Transmission	Manual transmission
Axle load (t)	6.5+16+16	9.5+16+16	9.5+16+16
Cab	Single-sided long-headed truck cab
Tire	10.00R20	12.00R20	12.00R20
Dump body capacity (m³)	8.8	11.8	15
Max. speed (km/h)	23
Drive mode	6×4
Min. outer turning radius (m)	10	10.5	11
Min. inner turning radius (m)	6	6.2	6.5
Loading height (mm)	2300	2510	2780
Max. dumping height (mm)	5600	5650	5780

Features

Our air brake underground dump trucks are equipped with engine exhaust brakes, high-torque hydraulic power steering, single-side convenional cabs, frame and covering structures, and fully covered dump body edges, ensuring operational safety.
The four-valve technology enables full combustion and high efficiency of the engine. The matched engine power, transmission shifting, and drive axle ratios make our trucks fast, fuel-efficient, and low in emissions.
The main assemblies of the dump truck are jointly developed with professional domestic manufacturers and tailored to various conditions, ensuring stable performance, mature technology, and high reliability in transmission, braking, and load-bearing systems.
Considering steep slopes, uneven roads, slippery surfaces, and wading situations, we use high-power, high-torque, and high-ratio drive axles to ensure smooth starting on slopes, good grade ability, and high efficiency.
With a professionally designed chassis and cab, the dump truck features a compact structure, low center of gravity, and small turning radius, allowing flexible operation in confined spaces, steep slopes, and tight turns.
The selected high-strength wide-body dump truck-specific joist steel framework reduces impact damage during material loading. Also, large-tonnage drive axles, engineering wire tires, and reinforced rims enhance load-bearing performance.

Configurations

1 Tunnel dump truck cab

According to the in-depth study on tunneling conditions and mining technologies, the professionally-designed frame conventional cab is highly adaptive to working conditions and excellent in collision and impact resistance, effectively protecting the operator.

2 Mechanical dual steering gear

The specially designed double steering gear system has high steering accuracy, good driving comfort and high reliability.

3 Engine

The off-road mining engine is professionally tuned for off-road conditions, with strong power, low fuel consumption and high reliability.

4 Manual transmission

The mining transmission with single box and dual intermediate shaft, jointly developed by Tonly and FAST, is added with a forced lubrication device, with strong torque transmission capacity and high reliability. The optional integrated hydraulic retarder can reduce the consumption of brake shoes and improve the safety of the vehicle.

5 Bolted chassis frame

It is made of high-strength steel plate by multiple times of rolling, featuring high bearing capacity, strong impact resistance and long service life. It adapts to various working conditions, and can absorb and attenuate impact load to protect the bearing system.

6 U-shaped container

The container is made of high strength mine vehicle materials and provided with a semi-rigid frame to reduce the impact and damage to the frame during material loading. Specifically, the U-shaped container is made of wear-resistant steel plates to effectively reduce the vertical impact of materials, decrease the deformation of dump body, and extend its service life.

7 OTR tire

The OTR tire is equipped for different working conditions, with good adaptability to working conditions and long service life.

8 Lifting system

The mining-purpose hydraulic oil cylinder delivers strong lifting capacity, efficiency, safety and reliability.

9 Leaf spring suspension

The sliding-type front suspension with twin shock absorber has higher bearing capacity, good buffer performance, and high reliability. The leaf spring balance rear suspension is equipped with dual V-shaped track bar guiding mechanism, which has high bearing capacity and excellent stability.

10 Four-circuit braking system

The brake system can actualize faster heat dissipation, higher braking torque and high braking efficiency, effectively ensuring the safe operation in mining area.

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