Mobile Jaw Crusher for Sale

What is a Mobile Jaw Crusher? What are its real advantages over a stationary jaw crusher?

A mobile jaw crusher is essentially a (core equipment for primary material crushing) mounted on a movable chassis (track-mounted or wheeled), integrating auxiliary systems like feeding and conveying. Compared to stationary jaw crushers, its core advantages lie in eliminating the need for complex foundation construction, allowing rapid site transfer, and enabling flexible positioning close to the working face, significantly shortening project construction cycles and material transport distances.

Why do many construction sites and mines choose mobile “jaw crushers” first for primary crushing?

Because the jaw crusher itself is the most classic and reliable primary crushing equipment, adept at handling large blocks of various hardness, with a simple structure that is robust and durable. Making it “mobile” perfectly meets the needs of many projects for source processing and rapid production startup. The mobile jaw crusher thus becomes the most common “vanguard” in mobile crushing lines.

Imagine large rocks freshly blasted from a mountain or huge concrete blocks from a demolition site—they vary in size, shape, and potentially high hardness. At this point, you need equipment with a good “appetite” and sufficient power to perform the first crushing stage, reducing them to a size suitable for secondary crushing or screening. The jaw crusher breaks materials through the squeezing and bending action of its movable and stationary jaw plates. It has a large crushing force and strong material adaptability, effectively processing hard and abrasive materials. Integrating it onto a mobile chassis allows this powerful primary crushing capability to be applied directly at the worksite, eliminating the hassle of transporting large, difficult-to-move raw materials to a fixed plant, naturally boosting efficiency significantly.

Why do many construction sites and mines choose mobile “jaw crushers” first for primary crushing?

Choosing between a track-mounted or wheeled mobile jaw crusher mainly depends on your mobility scenarios and site conditions. Track-mounted is better for short-distance movement within harsh, uneven sites and doesn’t require towing for relocation; Wheeled is convenient for long-distance road transport, suitable for relatively flat sites and situations requiring frequent transfers between different work sites.

• Track-mounted Mobile Jaw Crusher: Like a tank, it has its own track system, usually hydraulically driven and operable via remote control. Advantages include low ground pressure, good passability, climbing ability, and easy movement/positioning on rugged mine or construction sites. Disadvantages are that long-distance transport usually requires a flatbed trailer, its own travel speed is slow, and the purchase cost is relatively high. It is ideal for following the excavation face within a mine or for fixed-period projects with poor site conditions.
• Wheeled Mobile Jaw Crusher: Like a semi-trailer, its chassis has tires and requires a tractor unit for movement. Advantages include compliance with road transport standards, making site transfers convenient and fast, especially suitable for contractors working across different regions. The initial purchase cost is typically lower than a comparable track-mounted unit. Disadvantages include higher requirements for site flatness and hardness, and needing to lower support legs and level the unit each time it’s positioned.

Comparison Dimension	Track-mounted Mobile Jaw Crusher	Wheeled Mobile Jaw Crusher	What it means for you
Site Adaptability	Strong, adapts to harsh terrain, can climb	Average, needs relatively flat, firm ground	Choose tracked for mines, complex sites; wheeled for flat ground, road transfers
Mobility Method	Self-propelled tracks (on-site)	Needs tractor towing (road/site)	Tracked is flexible on-site, wheeled is efficient for long distances
Deployment Efficiency	Fast, remote control positioning	Relatively fast, needs tractor & leveling	Both are much faster than stationary
Transport Cost	Low for short distance, needs trailer for long (high cost)	Needs tractor for short, convenient long-distance (relatively low cost)	For frequent long-distance transfers, wheeled might have lower overall cost
Initial Investment	Relatively higher	Relatively lower	Balance based on budget and primary application scenarios

How large a stone or concrete block can it “eat”? What is the typical processing capacity (throughput) range?

The feed size a mobile jaw crusher can handle depends on its model specification (usually indicated by the feed opening width, e.g., PE750x1060 means a 1060mm feed opening width). Common models can handle maximum feed edge lengths from several hundred millimeters to over a meter. Their processing capacity (throughput) varies widely, from tens of tons per hour for small machines to hundreds or even thousands of tons per hour for large ones. However, actual throughput is affected by multiple factors and is often much lower than the theoretical maximum.

Is the performance of a mobile jaw crusher really reliable for processing granite, river pebbles, and construction waste?

The mobile jaw crusher is a reliable choice for processing these materials, especially as a primary crusher. It adapts well to high-hardness granite, abrasive river pebbles, and complex composition construction waste (note the issue with rebar). The key lies in selecting the appropriate specifications, configuration, and materials for the equipment. Core keywords: mobile jaw crusher processing granite, mobile jaw crusher processing river pebbles, mobile jaw crusher processing construction waste.

• Hard Rock like Granite/Basalt: The mobile jaw crusher’s powerful compressive crushing principle is very suitable for these hard materials. However, hard rock causes more severe wear on jaw plates and other wear parts, requiring the use of higher-performance wear-resistant materials (like high manganese steel alloys or special composite jaw plates) and a more robust host machine structure.
• River Pebbles: River pebbles are hard and often rounded, testing the jaw crusher’s “gripping” ability. It might be necessary to use specially shaped jaw plates to prevent slipping and improve crushing efficiency. Wear will also be relatively fast.
• Construction Waste: The mobile jaw crusher can effectively crush concrete blocks, bricks, tiles, etc. The biggest challenge is rebar. Although many units are equipped with magnetic separators, these mainly remove rebar after crushing. Thick, long rebar entering the crushing chamber can easily cause blockages or even damage the equipment. Strict pre-treatment (hydraulic shearing, manual sorting) is crucial. Additionally, construction waste generates a lot of dust, placing higher demands on the equipment’s sealing and dust suppression systems.

Compared to mobile impact crushers or cone crushers, which crushing stage is the mobile jaw crusher best suited for?

The mobile jaw crusher is best suited for the “first gate” of the crushing process, i.e., the primary crushing (coarse crushing) stage. Its main task is to break down large raw materials to a size suitable for secondary crushing equipment (like a mobile impact crusher or mobile cone crusher) to handle. It is not suitable for fine crushing or applications requiring high product shape quality.
In a typical multi-stage crushing process:

1. Primary Crushing: Handling raw large blocks from the mine or site, typically using a jaw crusher. The mobile jaw crusher plays its core role here, reducing, for example, >500mm rocks to <150mm.
2. Secondary Crushing: Further reducing the primarily crushed material, usually using an impact crusher (for medium-soft materials, good particle shape) or a cone crusher (for hard materials, high throughput).
3. Tertiary/Fine Crushing/Sand Making: Further size reduction or shaping to produce specific aggregate sizes or manufactured sand, possibly using a fine impact crusher, cone crusher, or sand making machine.
   Therefore, the mobile jaw crusher acts as the “pioneer” in a mobile crushing line, “feeding” the subsequent mobile impact crusher or mobile cone crusher. It determines the initial feed capacity of the entire production line.

When purchasing a mobile jaw crusher, which core parameters and configurations must be closely monitored to avoid buying the wrong one?

When purchasing a mobile jaw crusher, besides focusing on feed opening size and theoretical throughput, you must delve deeper into the core configurations that affect actual performance and reliability: the heart of the crushing host (eccentric shaft assembly), jaw plate selection, feeder unit compatibility, power and hydraulic system efficiency and reliability, and the robustness of the chassis structural components. These often determine the true value of the equipment more than the price.

1. Crusher Host Core :
   • Eccentric Shaft Assembly: This is the “heart” of the jaw crusher, enduring huge impacts. Pay attention to its material, design strength, bearing brand and specification (are they heavy-duty?), lubrication system (is automatic grease lubrication reliable and easy to maintain?), flywheel balance (affects vibration and lifespan), and dust sealing effectiveness. Listen to noise and observe vibration during operation.
2. Jaw Plates and Cheek Plates :
   • Material and Tooth Profile: Choose the most suitable jaw plate material (high manganese steel grade, alloy inserts, etc.) and tooth profile based on your primary material. Don’t just go for cheap; matching is key!
   • Replacement Convenience and Spare Parts: Understand the fixing method for jaw and cheek plates and the time required for replacement. Confirm the manufacturer’s spare parts availability and quality.
3. Feeding Unit :
   • Hopper Capacity and Design: Is it large enough to buffer the feed? Are the inner walls wear-resistant and designed to prevent material buildup?
   • Feeder Type and Capacity: Is the vibrating feeder stable and powerful? Strongly recommend a feeder with a pre-screening function (grizzly bars), which can effectively remove fines and soil, significantly boosting host efficiency and reducing wear! Be sure to confirm its pre-screening effectiveness and ease of adjustment.
4. Power and Hydraulic System :
   • Engine/Motor: Brand reliability, power reserve, fuel/electricity efficiency, emission standards. Consider the “diesel-electric dual power” option, which may be more economical in the long run.
   • Hydraulic System: Controls travel, discharge opening adjustment, overload protection, etc. Focus on its response speed, adjustment accuracy (can CSS be held stable?), overload protection mechanism, contamination resistance, and major component brands.
5. Discharge Opening Adjustment (CSS) :
   • Convenience and Reliability: Is hydraulic adjustment fast, precise, and stable? Is there a clear indicator? Can it automatically and quickly release and reset during overload?
6. Chassis and Structural Components :
   • Robustness and Durability: Mobile operations involve significant vibration and poor road conditions. Focus on checking the steel grade, plate thickness, welding quality, and structural reinforcement design of the main frame and chassis. This is a “hidden champion” determining the equipment’s longevity. Check the brand and quality of the track/tire travel mechanism.
7. Durability of Non-Core Components :
   • The workmanship and materials used for details like conveyor belts, electrical systems, safety features, etc., reflect the manufacturer’s overall quality control.

Are the “teeth” (jaw plates) of a mobile jaw crusher wear-resistant? Is daily operation and maintenance troublesome?

Jaw plates are the main wear parts of a mobile jaw crusher. Their wear resistance depends on material hardness and jaw plate material/design; there’s no absolute “wear resistance.” Replacement cycles range from tens to hundreds of hours. Daily maintenance is relatively simple, mainly involving lubrication, tightening, cleaning, and regular inspection, but maintaining the hydraulic and electrical systems requires some professional knowledge.

• Jaw Plate Lifespan:
  • Processing hard rock (granite) wears them out much faster than processing limestone.
  • High-quality jaw plates matched to the material last longer.
  • Regularly check wear status, flip them if the design allows (some jaw plates support this), or replace them promptly to avoid excessive wear damaging the host machine.
• Daily Maintenance:
  • Lubrication: Extremely important! Especially for the eccentric shaft bearings, which usually have an automatic lubrication system. Regularly check oil level/grease amount and lines.
  • Tightening: Check bolts in all areas, especially key parts like jaw plates, flywheels, and bearing housings.
  • Cleaning: Keep the equipment clean, especially radiators, electrical components, and sensors.
  • Inspection: Regularly check belt tension, hydraulic oil level and quality, track tension, and wear on various components.
• Maintenance Challenges :
  • Hydraulic System: High requirements for oil cleanliness; requires regular oil and filter changes.
  • Electrical System: Mobile equipment operates in harsh environments; requires attention to waterproofing, dustproofing, and vibration resistance.
  • Maintenance Access: Mobile equipment is compact; maintenance in some areas might be less convenient than in a stationary plant.
  • Requires Professional Skills: Places certain demands on operators and maintenance personnel.

Besides the equipment price, how much do fuel/electricity consumption and transport costs account for?

Fuel/electricity costs are a major part of mobile jaw crusher operating expenses, second only to wear parts and labor. Fuel/power consumption varies depending on equipment power, load rate, and power system efficiency. Transport costs depend on distance, equipment type (track-mounted has high long-distance transport costs), and local freight rates. These operating costs constitute a large portion of the equipment’s total life cycle cost and must be considered during selection. 

• Fuel/Power Consumption:
  • Diesel Engine: Fuel consumption is a key economic indicator. Efficiency varies among different engine brands and technologies. Choosing equipment with a load-sensing hydraulic system or diesel-electric drive is usually more fuel-efficient.
  • Electric Drive/Dual Power: If you have access to grid power or a generator set, strongly consider dual-power (diesel-electric) models. Although the initial investment is higher, electricity costs are much lower than fuel costs (potentially saving 30-50% or more on energy costs), and electric motors are simpler to maintain with lower noise emissions. Very cost-effective for long-term operation.
  • Actual Energy Consumption: Closely related to your production organization, feed continuity, and material conditions.
• Transport Costs:
  • Wheeled: Road transport is relatively convenient; costs are mainly for the tractor unit.
  • Track-mounted: Convenient for short-distance self-propulsion. Long-distance transport requires large flatbed trailers, which are expensive and may require permits for oversized loads.
  • Decision Point: Evaluate your actual movement frequency and distance. Don’t be misled by the “mobile” concept; calculate the real costs associated with relocation.

FAQ

Q1. What exactly is a mobile crushing station used for? How is it better than a stationary production line?
A1: The biggest advantage of a mobile crushing station is its flexibility and convenience. It doesn’t require foundation work and can be quickly relocated or moved closer to the working face. For you, this means significant savings in civil engineering costs and time, enabling faster production startup. It also reduces the internal material transport distance on site, lowering transportation costs and dust. It’s particularly suitable for projects with tight schedules, scattered sites, or those requiring phased progression.

Q2. Crawler-type vs. tire-type mobile crushing station, which is more suitable for me?
A2: It mainly depends on your mobility needs and site conditions. Crawler-type is like a tank, suitable for moving within mines or rugged construction sites, offering flexible relocation but troublesome for long-distance transport; tire-type is like a trailer, suitable for projects with better road conditions that require frequent long-distance transfers across regions. Simply put, choose crawler for on-site flexibility, choose tire for long-distance transfers.

Q3. Mobile crushing stations have several main machine types (jaw crusher/impact crusher/cone crusher). How should I choose?
A3: Choose based on your material and output requirements. Mobile jaw crushers are suitable for primary crushing, handling large, hard materials; mobile impact crushers are suitable for processing medium-soft materials (like limestone, construction waste) and produce good particle shapes; mobile cone crushers are suitable for medium-fine crushing of hard rocks (like granite, river pebbles). Not sure? Tell us your raw materials and finished product needs, and we’ll help you configure the setup.

Q4. What capacity mobile crushing station do I need? How can I estimate reliably?
A4: The capacity stated by manufacturers is usually the “maximum capacity” under ideal conditions; actual output will be lower. You need to consider: What material needs processing (hardness)? What’s the feed size? How much soil/clay content? How fine does the output need to be? Provide this information to the supplier, and let them use their experience to help you choose a model with sufficient margin. Don’t just rely on paper figures.

Q5: Is maintaining a mobile crushing station troublesome? Is the fuel/power consumption high?
A5: Routine maintenance (lubrication, tightening, cleaning) isn’t complex, but hydraulic and electrical systems require some professional knowledge. Mobile stations have compact structures, so maintenance in some areas might be less convenient than stationary plants. Fuel/power consumption is a major operating cost, highly related to equipment power, load, and power system (diesel/electric/hybrid). Choosing a diesel-electric hybrid might save more money in the long run.

Q6: What if one mobile crushing station isn’t enough? Can they be combined into a production line?

A6:Absolutely! Mobile crushing stations are very suitable for combined use, forming a complete mobile crushing and screening production line. For example, use a mobile jaw crusher for primary coarse crushing, followed by a mobile impact crusher or mobile cone crusher for medium-fine crushing, and then add a mobile screening plant for sizing. This combination can meet complex production needs with extreme flexibility.

Q7: When selecting a mobile crushing station, what key points should I focus on besides price?
A7: Price is important, but definitely not the only criterion! Pay more attention to: 1. Quality of core components (main crusher, engine/motor, hydraulic system); 2. Match between actual output and working conditions; 3. Durability of structural parts (chassis, frame); 4. Cost-effectiveness and supply of wear parts; 5. Ease and safety of operation and maintenance; 6. Manufacturer’s after-sales service and technical support capabilities.