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China Suppliers Factory R8 Crawler Mobile Jaw Crushers: Compact, High Efficiency, Low Maintenance for Hard Rock Crushing
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China Suppliers Factory R8 Crawler Mobile Jaw Crushers: Compact, High Efficiency, Low Maintenance for Hard Rock Crushing

Experience the exceptional performance of RTZK's crawler mobile jaw crusher, a leading product among China suppliers and manufacturers. This powerful crusher is designed with a compact structure and delivers a high crushing ratio, ensuring outstanding operational stability and minimal maintenance costs. With its advanced cold protection system, it operates reliably in ambient temperatures ranging from -40°C to 40°C, making it suitable for diverse environments, The crusher's optimal nip angle and extended stroke allow for efficient processing of hard rock, while the wide feed opening promotes high production capacity. Additionally, the chassis height offers excellent adaptability to complex terrains, allowing for seamless operation in various conditions. This equipment is not only easy to operate but also convenient to transport and relocate, making it an ideal choice for sand and aggregate production as well as eco-friendly crushing applications. Trust RTZK, a top factory in China, for reliable and efficient crushing solutions

    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 Specification
    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 System

    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 makes the Extreme Cold Version suitable for low-temperature operations?

    The Extreme Cold Version uses Q355D and Q355E steel for critical structural plates, which maintains excellent low-temperature toughness down to -40°C. It is also equipped with low-temperature-resistant cables, heaters for the electrical cabinet, water jacket preheating, diesel preheating for the engine, and cold-resistant seals/gauges.

    What is the production capacity and maximum feed size of the crushing plant?

    The overall machine has a production capacity of 170-220 t/h (at CSS=70mm). The maximum feed size that the crushing unit can handle is 700 mm.

    How is the crawler mobile jaw crushing plant transported?

    The entire machine is designed according to national road transport standards for integral transportation. Its transport dimensions are 14.9m (length) × 3.3m (width) × 3.8m (height), which helps save on transportation costs.

    What are the power specifications of the machine?

    The machine features a main motor power of 132 kW for the crushing unit, an engine power of 103 kW, and a total installed power of 170 kW. It also supports an external power connection.

    What control system does the crushing plant use?

    It employs an advanced dual-control mode that combines a wireless remote control and local operation. The system includes an intelligent control panel with one-touch start/stop control and a high-definition display.

    What are the features of the feed hopper?

    The plant is equipped with a foldable feed hopper with a capacity of 9 m³. It is constructed from high-wear-resistant steel plates and features impact-resistant, bent hopper side walls.

    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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