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China Suppliers Factory R8 Crawler Mobile Jaw Crushers – High Crushing Ratio & Low Maintenance Costs
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China Suppliers Factory R8 Crawler Mobile Jaw Crushers – High Crushing Ratio & Low Maintenance Costs

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The RTZK crawler mobile jaw crusher from China stands out in the market due to its compact design, high crushing ratio, and exceptional operational stability, making it a preferred choice among suppliers and factory operators. With a robust cold protection system, this crusher ensures reliable performance in a wide range of temperatures, from -40°C to 40°C. Its optimized nip angle and extended stroke are specifically engineered for efficient crushing of hard rock materials. The wide feed opening facilitates a high production capacity, while the adjustable chassis height enhances its adaptability to challenging terrains. This equipment is user-friendly and easily transportable, making it ideal for sand and aggregate production as well as eco-friendly crushing applications.

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    Extreme Cold Version

    1

    All critical structural plates use Q355D and Q355E steel. Q355E steel offers excellent low-temperature toughness and ductility, maintaining good performance in environments as low as -40°C. This makes it a promising candidate for applications in cold regions or where it needs to withstand low-temperature impact loads.

    2

    The electrical system is supplemented with heaters, all cables within the cabinet are replaced with low-temperature-resistant cables, the cabinet steel is constructed from Q355ME cold-resistant plate.

    3

    Power unit steel uses Q355ME cold‑resistant plate, low-temperature cables, cold-resistant seals, cold-resistant silicone oil pressure gauges, cold-resistant acrylic level gauges, low-temperature radiator plates, hydraulic oil tanks with added heaters, hydraulic lines with added heating tape, electrical cabinets with added cabinet heaters, and engines with added water jacket preheating and diesel preheating.

    Product Parameters

    Parameter Unit Value
    Feeding Device - Vibrating Motor kW 2*7.5
    Feeding Device - Feeding Height mm 4100
    Feeding Device - 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 Belt - Stockpile Height mm 3600
    Main Conveyor Belt - Belt Width mm B1000
    Main Conveyor Belt - Drive Motor Power kW 15
    Power Assembly - Engine Power kW 103
    Power Assembly - Drive Concept External Power Connection
    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 54
    Overall Machine - Working Dimensions m 16.5×4.5×4.7
    Overall Machine - Transport Dimensions m 14.9×3.3×3.8

    Product Characteristics

    01

    Mobility and Flexibility

    The entire machine is designed according to national road transport standards for integral transportation, saving users transportation costs. The special crawler travel mechanism allows flexible movement in harsh and rugged terrain.

    02

    Powerful Crushing Host

    A modular, weld-free body frame provides maximum fatigue resistance and reliability. High-wear-resistant, impact-resistant wear parts and jaw plates, combined with premium-quality bearings, ensure robust crushing performance. The V-shaped symmetrical crushing chamber design features a deep chamber, high processing capacity, and low energy consumption.

    03

    Rational Chassis Layout

    The machine maintains a stable center of gravity and can achieve a climbing angle of up to 20 degrees. Replacement of wear parts on the jaw crusher host is straightforward, offering great convenience to operators.

    04

    Easy Maintenance

    Safety inspection platforms are installed around the feed hopper and crusher host, providing better visibility of the feeding process, maintenance and inspection are now more convenient.

    05

    Integrated Frequency Conversion

    Fully considers dustproofing, shock resistance, high-temperature, and low-temperature protection for the frequency converter.

    06

    Advanced Control System

    Employs a dual-control mode combining wireless remote control and local operation. The high-definition display enables more convenient visual operation.

    Function Module

    R8 Crawler Mobile Jaw Crushing Plant
    01

    Conveying 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 discharge.

    03

    Power System

    Utilizes renowned brand components, delivering robust power and strong climbing capability.

    04

    Crushing Unit

    C-Series jaw crusher host, featuring powerful bite 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

    What components make the plant suitable for extreme cold environments?
    The Extreme Cold Version utilizes high-durability Q355D and Q355E steel plates that maintain their performance down to -40°C. Additionally, the electrical and power systems are upgraded with low-temperature cables, cabinet heaters, and engine preheating systems (water jacket and diesel preheating) to ensure reliable operation in sub-zero environments.
    What is the production capacity and maximum feed size of the crushing plant?
    The machine has a maximum capacity of 170 to 220 tons per hour (t/h) at a closed side setting (CSS) of 70mm, and it can handle a maximum material feed size of up to 700mm.
    How does the crawler travel mechanism benefit on-site operation?
    The specialized crawler mechanism offers excellent mobility and flexibility across rugged, harsh terrains. It features a stable center of gravity and is capable of climbing slopes at angles of up to 20 degrees.
    What are the transport and working dimensions of this mobile crushing plant?
    For transport, the dimensions are 14.9m × 3.3m × 3.8m, which fits national road transport standards for integral transportation. When fully deployed for operation, the working dimensions are 16.5m × 4.5m × 4.7m.
    Does the plant support external power connections?
    Yes, the power assembly design integrates an external power connection concept alongside its 103 kW engine, allowing for versatile energy options depending on site availability.
    How is the machine controlled and monitored during operation?
    The plant features an advanced dual-control mode combining a local high-definition display control panel with a wireless remote control. This allows for convenient visual configuration and safe, efficient remote operation.

    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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