SKJ jaw crusher

SKJ jaw crusher

SKJ series Jaw Crusher is the top choice to crush hard, strong-corrosive materials with unique structural design, working performance, service life and maintenance. Motor is set on the machine body, which can reduce occupied space effectively.

  • 100-1200mmFeed Size
  • 75-220KWMotor Power
  • 100-1200 t/hProcessing capacity
  • 60S Quick response
  • 30 min Technical reply
  • 24h design proposal


With high-quality steel casting and overwhelming reliability, SKJ jaw crusher is widely as primary crusher to crush hard stone, rock, granite, andesite, quartz, limestone in sand, gravel, aggregates or mineral processing industry.

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Applicable materials: Stone crusher is used for crushing over 120 kinds of rocks, such as limestone, granite, quartz, basalt, river stone, gold ore, iron ore, coal, gravel, aggregate etc. Different final output size could meet your different needs.

  • High Quality

    More advanced movable jaw assembly lengthens the using life. High manganese steel castings jaw plate can be reversed to extend life and save cost.

  • Customized Design

    Integral bearing seat fits the frame completely. It enhances the radial strength and reduces the maintenance cost.

  • Good Performance

    The discharge opening is adjusted by hydraulic and wedge block type. It makes discharge opening adjustment more convenient and makes maintenance more automatic. 

Product features

The complete machine adopts modular design, which makes disassembly and transportation more convenient. 

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Working principle

A Jaw Crusher uses compressive force to break hard stone material.

There two vertical manganese jaw plates create a V-shaped cavity called crushing chamber, where the top of the crushing chamber is larger than the bottom. The moving jaw moves back and forward against the fixed jaw, and material fed from the top chamber is compressed between the two jaws, breaking it into smaller pieces.

As the moving jaw moves away from the fixed jaw, the crushed material is discharged from discharge opening at the bottom. The required size is determined by the gap between the jaws.

How does jaw crusher work?



Feeder Opening


Max. Feeding


Discharging Opening




Motor Power


Overall Dimension


SKJ6310 630×1000 580 80-180 100-230 75 3763×2280×2644
SKJ8711 870×1100 720 85-220 130-450 110 4124×2480×3020
SKJ1113 1100×1300 960 120-260 260-780 160 4836×2762×3489
SKJ1216 1200×1600 1180 165-320 450-1200 220 6700×4040×4465

*The output will vary according to different materials, feed particle size and other factors

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