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China R8H Crawler Mobile Jaw Crushers - Diesel-Electric Hybrid from Trusted Suppliers & Factory for Hard Rock Crushing
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China R8H Crawler Mobile Jaw Crushers - Diesel-Electric Hybrid from Trusted Suppliers & Factory for Hard Rock Crushing

The R8H is a cutting-edge diesel-electric hybrid crawler mobile jaw crusher, expertly engineered for primary crushing of hard rock and the production of recycled aggregates. This robust machine is ideally suited for various environments, especially when equipped with the extreme cold package, ensuring reliable operation in temperatures ranging from -40℃ to 40℃. With a focus on efficiency, the diesel-electric hybrid power system maximizes uptime, making it perfect for power-constrained working conditions. As a product from a leading China factory, the R8H features a modular design that allows for continuous upgrades, ensuring it meets the dynamic needs of the market. Trust in us as one of the top suppliers in the industry for high-quality and innovative crushing solutions

    Extreme-Cold Version

    1. All critical structural components use Q355D and Q355E steel plates. Q355E steel plates feature excellent low-temperature resistance, maintaining good toughness and ductility even at a low temperature of -40°C. This makes it widely applicable in cold regions or applications requiring low-temperature impact loads.

    2. The electrical system is supplemented with heaters; all cables inside the cabinet are replaced with low-temperature-resistant cables; the cabinet body is made of Q355ME cold-resistant steel plate.

    3. The power pack uses Q355ME cold-resistant steel plate; the motor is a low-temperature motor; the cable is a low-temperature cable; the seals are cold-resistant seals; the pressure gauge is a cold-resistant silicone oil pressure gauge; the level gauge is made of cold-resistant acrylic; the radiator plate is low-temperature resistant; the hydraulic oil tank is equipped with a heater; the hydraulic lines are equipped with heating tape; the electrical cabinet is equipped with a cabinet heater; and the engine is equipped with a water jacket preheater and a diesel preheater.

    Product Parameters
    Parameter Unit Value
    Feeder Unit – Vibrating Motor kW 2*7.5
    Feeder Unit – Feeding Height mm 4100
    Feeder Unit – Hopper Capacity m3 9
    Crushing unit – Maximum Feed Size mm 700
    Crushing unit – Main Motor Power kW 132
    Belt Magnetic Separator – Model   RCYQ-10
    Belt Magnetic Separator – Power kW 3
    Main Conveyor – Stockpile Height mm 3600
    Main Conveyor – Belt Width mm B1000
    Main Conveyor – Drive Motor Power kW 15
    Power Assembly – Generator Set Power kW 250
    Power Assembly – Drive Concept   Diesel-Electric Drive
    Power Assembly – Travel Motor   PMP
    Overall Machine – Travel Speed km/h 0.5-0.8
    Overall Machine – Total Installed Power kW 170
    Overall Machine - Capacity (CSS=70mm) t/h 170-220
    Overall Machine – Total Weight t 57
    Overall Machine – Working Dimensions m 16.5×4.5×4.7
    Overall Machine – Transport Dimensions m 16.7×3.3×3.8
    Product Characteristics
    01
    New Generation Diesel-Electric Drive

    Dual drive modes (diesel and electric) are available to meet the requirements of different working conditions.

    02
    Fearless of Severe Cold Challenges

    Suitable for Harsh Environments. It can easily handle work even in extremely cold conditions, which has a wider range of applications.

    03
    Continuous Feeding System (CFS)

    The feeding system with independent frequency conversion control can adjust the feeding speed according to the host material level, further improving production capacity.

    04
    Advanced Control System

    Intuitive Operating Philosophy. Adopting wireless remote control and local touch screen dual control mode, making operation more convenient.

    05
    Convenient Maintenance and Upkeep

    All components are easily accessible, enabling quick and convenient service.

    06
    Powerful Crusher

    High-strength assembled structure, powerful and reliable. Deep V-shaped crushing chamber design, large eccentricity ensuring excellent meshing angle and large stroke, achieving efficient crushing of hard rock.

    Function Module
    R8H Crawler Mobile Jaw Crushing Plant
    01
    Conveyor System

    Extra-wide conveyor belts ensure stable production output.

    The discharge height is specially designed for large-volume stockpiling, minimizing the need for frequent material transfer.

    02
    Magnetic Separator

    Permanent magnet belt-type separator.

    Automatic iron removal.

    03
    Power System

    Adopts a diesel-electric hybrid drive concept—efficient and powerful, ensuring lower fuel consumption while addressing power-restricted working conditions.

    Can operate in pure electric mode for cost-effectiveness, environmental friendliness, reduced energy costs, and lower exhaust emissions.

    All maintenance-related components are easily accessible for convenient operation.

    04
    Crushing Unit

    C-Series jaw crusher host, featuring strong biting force and extended wear plate lifespan.

    High reliability and stability.

    05
    Electrical Control System

    Intelligent control panel with one-touch start/stop control for simple operation.

    Equipped with a wireless remote control to reduce the need for auxiliary personnel.

    06
    Foldable Feed Hopper

    Impact-resistant and bent hopper side walls.

    Folding hopper capacity up to 9 m³.

    High-wear-resistant steel plate.

    Frequently Asked Questions
    Q: What materials are used to ensure the Extreme-Cold Version functions at low temperatures?
    A: All critical structural components use Q355D and Q355E steel plates. Q355E steel plates feature excellent low-temperature resistance, maintaining good toughness and ductility even at a low temperature of -40°C. Additionally, the cabinet body and power pack use Q355ME cold-resistant steel plate.
    Q: How is the electrical system protected against extreme cold?
    A: The electrical system is supplemented with heaters, all cables inside the cabinet are replaced with low-temperature-resistant cables, and the electrical cabinet is equipped with a cabinet heater.
    Q: What are the benefits of the Diesel-Electric Hybrid Drive system?
    A: It offers dual drive modes (diesel and electric) to adapt to different working conditions. It can run in pure electric mode for cost-effectiveness, reduced energy costs, and lower exhaust emissions, or run on diesel to address power-restricted environments.
    Q: What is the capacity and material of the foldable feed hopper?
    A: The foldable feed hopper has a capacity of up to 9 m³ and is constructed with high-wear-resistant steel plates and impact-resistant bent hopper side walls.
    Q: How does the Continuous Feeding System (CFS) work?
    A: The feeding system features independent frequency conversion control, which automatically adjusts the feeding speed according to the host material level to optimize and improve overall production capacity.
    Q: What is the crushing capacity and maximum feed size of the machine?
    A: The crushing unit accommodates a maximum feed size of 700 mm, and the overall machine has a capacity of 170-220 t/h (at CSS=70mm).

    INTRODUCTIOM TO ORIGINALFUNCTIOM MODULES

    LB Series Asphalt Mixing Plant (1)

    Cold material system

    Single silo volume is 15m³, articulated structure gives convenience for transportation.

    Small size material silo adopts inner vibrating structure, with big amplitude, ensuring smooth discharge.

    Belt conveyor feeding adopts frequency converting + door opening extent control , ensuring a stable primary grading.

    Equipped with material lacking alarm device.

    LB Series Asphalt Mixing Plant (2)
    LB Series Asphalt Mixing Plant (3)
    0102

    Drying system

    Patented blade technology, the material curtain is more uniform and has better heat absorption effect.

    Material containing blade feeding technology, the discharge temperature is more uniform.

    Large production capacity.Over-production capacity reaches 15%.

    Axial flow low-pressure atomization burner is with dual frequency conversion technology to control the air oil ratio, and the fuel consumption per ton of finished product is 6kg (under standard conditions).

    Directly driven by a direct reduction motor, with strong power and high efficiency.

    LB Series Asphalt Mixing Plant (4)

    Burner

    The burner has a wide adjustment range and can adaptto various complex working conditions.

    Three stage atomizing technology, fuel is atomized into micrometer level, with fully combustion.

    High power pre heating device,stable fuel temperature.

    Remote fault diagnosis function,timely service, and ensures production reliability.

    Intelligent axial flow low-pressure atomization burner adopts dual frequency conversion adjustment technology with automatically adjustable air and oil distribution, ensuring a reasonable air oil ratio and sufficient combustion. The fuel consumption under rated working conditions is only 6kg/t (finished material).

    LB Series Asphalt Mixing Plant (5)

    Elevating system

    Plate chain elevator, whose chain is not easy to stretch and is stable and reliable in use.

    Deceleration motor direct drive with anti reverse device.

    The elevator chute is equipped with a wear-resistant plate structure to improve wear resistance.

    LB Series Asphalt Mixing Plant (6)

    Screening system

    Dual-vibration motor direct drive,strong vibration effect,to achieve a maintenance free period of approximate 2000h.

    Large screening area and high screening efficiency.

    The screen mesh changing device adopts a side bolt method which is convenient for quick replacement.

    The shell of the vibrating screen is wrapped with insulation rock wool for insulation,noise reduction, environmental protection and energy conservation.

    LB Series Asphalt Mixing Plant (7)

    Hot material silo system

    Hot aggregate silo is divided into the upper & lower silo, both adopt rock wool for insulation.

    Equipped with a continuous material level detection device, giving convenience for visually observing the material level of various ingredients.

    The silo door adopts a maintenance free structural design, large & small doors to achieve a secondary coarse & fine weighing structure, ensuring aggregate dosing accuracy.

    The sand silo is equipped with a temperature detection device.

    LB Series Asphalt Mixing Plant (8)

    Dosing system

    Aggregate scale, asphalt scale, and filler scale are all measured using a 3-point compression dosing module.

    The aggregate scale adopts a coarse and fine scale structure with large and small gates, ensuring a dosing accuracy of 0.3%.

    The asphalt scale adopts a frequency conversion pump+secondary dosing method to ensure a dosing accuracy of 0.2%, and the dynamic secondary tracking dosing technology ensures an accuracy of 0.3% for the oil & gravel ratio.

    The filler scale adopts spiral conveying, pneumatic butterfly valve control, and the “fly material” control program is used to ensure dosing accuracy of 0.2%.

    LB Series Asphalt Mixing Plant (8)

    Dosing system

    Aggregate scale, asphalt scale, and filler scale are all measured using a 3-point compression dosing module.

    The aggregate scale adopts a coarse and fine scale structure with large and small gates, ensuring a dosing accuracy of 0.3%.

    The asphalt scale adopts a frequency conversion pump+secondary dosing method to ensure a dosing accuracy of 0.2%, and the dynamic secondary tracking dosing technology ensures an accuracy of 0.3% for the oil & gravel ratio.

    The filler scale adopts spiral conveying, pneumatic butterfly valve control, and the “fly material” control program is used to ensure dosing accuracy of 0.2%.

    LB Series Asphalt Mixing Plant (9)

    Mixing system

    The mixer has a large capacity and adopts power redundancy design, with sufficient power and strong power.

    Driven by a direct reduction motor it has strong stability.

    Full blade spiral stirring cloud technology, fast mixture cycling speed and strong kneading ability, to achieve the effect of rapid blending.

    The blades and lining plates are made of nickel chromium alloy material, with a service life of no less than100000 batches.

    LB Series Asphalt Mixing Plant (10)

    Dust collection system

    Adopting primary gravity dust collector and a secondary atmospheric reverse blowing bag dust collector. Emission concentration <20mg/Nm3.

    High-power fan ensures a sufficient air volume, which is controlled by frequency conversion to save energy and reduce noise.

    The flue gas pipeline is equipped with a temperature measurement device and has a high and ow temperature alarm function.

    LB Series Asphalt Mixing Plant (11)

    Control system

    Equipped with 2 monitors and 2industrial control computers, when one machine malfunctions another can be used to ensure production stability.

    The operation interface is intuitive and clear and key currents and parameters are displayed during internship.

    The electrical parts adopt famous international brands, to ensure the reliability.

    The control program maintains functions of linkage control, safety interlock, power outage protection.

    Asphalt dosing has a secondary dynamic tracking dosing function; The program has “f lying material” control and automatic dosing function.

    With functions of online remote diagnosis, to ensure the timely service.

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