UL70 Load-Haul-Dump Machine

UL70 Load-Haul-Dump Machine

Product Model:UL70

The UL70 is a safe, durable and efficient underground LHD (Load-Haul-Dump) unit. It is suitable for mining operations in underground roadways and engineering tunnels with a working section larger than 3.5 m × 3.5 m. It has a standard bucket capacity of 3.0 m³ and a maximum breakout force of 115 kN.

Powered by a robust Cummins B6.7 engine with turbocharging and electronic high-pressure common rail fuel system, it delivers a peak torque of 1000 N·m. Its transmission system adopts a Linggong torque converter and Dana transmission, deeply calibrated by Sandvik, featuring excellent system stability and higher working efficiency.

The machine is equipped with a rear-mounted semi-enclosed cab with superior shock resistance and comfort, offering an expanded field of view. The cab comes standard with control levers. Both the accelerator pedal and seat are ergonomically designed. The comfortable seating position and flexible controls effectively reduce operator fatigue.

Fitted with a wet-type closed drive axle and limited-slip reducer, the unit provides reliable braking and anti-slip performance. It is equipped with a boom safety lock and four brake safety valves, helping operators and maintenance personnel respond to emergencies and ensuring safer operation.

Standard configurations include exhaust gas purification system. The bucket cutting edge is made of wear-resistant Hardox 500 steel plate. It adopts Eaton hydraulic hoses, German-standard FLRY-B wires and IP67 waterproof and dustproof connectors. The hydraulic oil undergoes two rounds of 10-micron filtration before factory delivery. Centralized lubrication is available, and up to 80% of routine maintenance can be performed at ground level. We serve customers with professional technologies.

Upholding the philosophy of safety, reliability and high efficiency, the UL70 provides optimal solutions for customers.


Parameter Specifications

Rated Load (kg)7000
Length × Width × Height (mm)9035*2300*2255
Maximum Breakout Force (kN)115
Maximum Tractive Force (kN)168
Tipping Load (kN)140
Standard Bucket Capacity (m3)3
Forward/Reverse Speed
1st Gear (km/h)5.4
2nd Gear (km/h)10.7
3rd Gear (km/h)17.5
4th Gear (km/h)26.7
Working Mechanism Cycle Time
Boom Raise Time (s)6.7
Boom Lowering Time (s)4.4
Bucket Dumping Time (s)2.4
Unladen Mass
Total Weight (kg)20500
Front Axle Load (kg)8200
Rear Axle Load (kg)12300
Model (Cummins)B6.7
Rated Output Power (kW)162
Number of Cylinders6
Displacement (L)6.7
Cooling MethodWater-Cooled
Air FilterDry Type
Emission StandardChinaIV
Average Fuel Consumption (L/H)14
Fuel Tank Capacity (L)240
Torque Converter
Brand: SDLG
Transmission
Brand: DANA
Drive Axle
Front AxleDANA
Rear AxleDANA
Tires
Model/Size 17.5-25
Hydraulic System
Hydraulic PumpPermco
Control ValveRexroth
Steering CylinderSDLG
Filter (μm)10
Lift CylinderSDLG
Bucket CylinderSDLG
Braking System
Accumulator2×2.5L
BrakeNormally Closed Wet Type (SAHR)
Electrical System
Alternator24V,70A
Battery24V,120Ah
Starter Motor24V,7.5kW
LightingLED,35W
Electronic Control ComponentsSchneider
Turning Radius
Maximum Steering Angle (°)±42

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Main Functions

The UL70 is a safe, durable and efficient underground LHD (Load-Haul-Dump) unit. It is suitable for mining operations in underground roadways and engineering tunnels with a working section larger than 3.5 m × 3.5 m. It has a standard bucket capacity of 3.0 m³ and a maximum breakout force of 115 kN.

Powered by a robust Cummins B6.7 engine with turbocharging and electronic high-pressure common rail fuel system, it delivers a peak torque of 1000 N·m. Its transmission system adopts a Linggong torque converter and Dana transmission, deeply calibrated by Sandvik, featuring excellent system stability and higher working efficiency.

The machine is equipped with a rear-mounted semi-enclosed cab with superior shock resistance and comfort, offering an expanded field of view. The cab comes standard with control levers. Both the accelerator pedal and seat are ergonomically designed. The comfortable seating position and flexible controls effectively reduce operator fatigue.

Fitted with a wet-type closed drive axle and limited-slip reducer, the unit provides reliable braking and anti-slip performance. It is equipped with a boom safety lock and four brake safety valves, helping operators and maintenance personnel respond to emergencies and ensuring safer operation.

Standard configurations include exhaust gas purification system. The bucket cutting edge is made of wear-resistant Hardox 500 steel plate. It adopts Eaton hydraulic hoses, German-standard FLRY-B wires and IP67 waterproof and dustproof connectors. The hydraulic oil undergoes two rounds of 10-micron filtration before factory delivery. Centralized lubrication is available, and up to 80% of routine maintenance can be performed at ground level. We serve customers with professional technologies.

Upholding the philosophy of safety, reliability and high efficiency, the UL70 provides optimal solutions for customers.


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