A crusher is a heavy-duty machine designed to reduce large rocks or ore into smaller sizes using mechanical forces like compression, impact, or shear. Whether you're crushing rock at a quarry, processing ore in a mining operation, or recycling concrete on a construction site, selecting the right used crusher comes down to matching the machine's capacity, condition, and crushing stage to the material you need to process and the product size you need to produce.
Crushers are essential in construction, mining, and recycling operations, and the used market offers a practical path to productive capacity without new-equipment lead times. Below, we break down the main types of crushers, what to inspect before buying, and how to match a used unit to your operation.
Crushing operations are divided into primary, secondary, and tertiary stages, and each stage calls for a different crusher design. Here are the main types you'll find in the used equipment market.
A jaw crusher uses compressive force between a fixed jaw and a moveable jaw driven by an eccentric shaft and toggle plate to break raw material down in the first stage of size reduction. Single toggle jaw crushers are the most common configuration; double toggle jaw crushers deliver higher mechanical advantage for extremely hard rock but are more complex. Jaw crushers are ideal for primary crushing - they accept the largest feed sizes (up to roughly 80% of the gape opening) and handle the hardest rocks like basalt and granite. Jaw crushers handle the hardest rocks like basalt and granite, making them suitable for mining operations, quarries, and construction sites processing demolition debris or large objects like concrete slabs. Compression is a key mechanical element of jaw crushers, and typical reduction ratios run from 4:1 to 9:1. Primary crushing produces materials ranging from 50" to 20".
A cone crusher uses a mantle oscillating inside a concave bowl liner to crush materials through compression and interparticle action. Cone crushers are used in mining and construction industries for secondary crushing and fine crushing, reducing material that has already passed through a primary crusher. Standard cone configurations handle wider feed for coarser product; short-head versions produce finer output. Cone crushers excel with medium-hard to hard materials, and modern hydraulic variants - including single cylinder hydraulic cone crushers that improve production efficiency - allow automated CSS adjustment and tramp release. VSC series cone crushers have four crushing cavities for versatile chamber profiling. Symons cone crushers are widely used in metallurgy and building. Capacities reach up to approximately 1,200 tph in large installations, with secondary-stage reduction ratios of 6:1 to 8:1.
Impact crushers generate high-velocity impact to shatter material along lines of weakness, producing a more uniform, cubical product. This category includes horizontal shaft impactors (HSI), vertical shaft impactors (VSI), and hammer-style machines. Horizontal shaft impactors use rotors fitted with blow bars or hammers to strike feed material against solid surfaces and impact plates, achieving high reduction ratios of 10:1 to 25:1. Vertical shaft impactors utilize velocity to break rock effectively and produce cubical-shaped products for asphalt applications - VSI crushers produce cubical-shaped products ideal for sand shaping and aggregate finishing. Impact crushers are ideal for recycling and asphalt production, as they can process reinforced concrete and produce a cubical product ideal for concrete and asphalt mixes. However, blow bars and impact plates wear rapidly on abrasive materials, raising operating cost per ton for hard rock applications.
A gyratory crusher operates on a similar compression principle to cone crushers but is engineered for primary crushing at massive scale. A conical mantle gyrates inside a large concave bowl, continuously crushing rock fed from above. Gyratory crushers achieve higher capacity than jaw crushers - throughput ranges from approximately 1,200 to over 5,000 tons per hour - making them the preferred machine for large-scale aggregate production and high-volume mining operations. Gyratory crushers are preferred for large-scale aggregate production, though they require substantial foundations, significant power, and have a larger footprint than other primary crusher options.
Additionally, roll crushers compress and shear material between rotating rolls and are suitable for softer or medium hard materials where a controlled reduction ratio is needed, though they see less frequent use in high-tonnage applications.
Evaluating a used crushing machine goes beyond surface appearance. These heavy duty machines take enormous punishment, and the attributes below signal whether a unit has meaningful remaining life or hidden problems.
Wear resistance and maintainability are critical technical features to evaluate for crushers. Inspect jaw plates, mantles, bowl liners, blow bars, and anvils for remaining thickness - if wear depth exceeds roughly 80% consumed, replacement is imminent. Look for cracks, spalling, and heat damage. Even wear across two surfaces indicates proper feed distribution and alignment; uneven wear suggests problems. Wear parts are typically manufactured from manganese steel (common grades Mn13, Mn18, Mn22) or high-chrome alloys, and replacement cost matters: aftermarket parts typically run 30–70% less than OEM, though fit and durability may vary. For VSI crushers, standard rotor tip sets may cost $150–$320, while premium carbide-tipped sets range from $380 to $800 or more per set. Full wear kits for impactor or VSI crushers can run several thousand dollars, so factor replacement cost into the total purchase.
Operating hours are a useful proxy for wear, but only when paired with documented maintenance. Evidence of regular greasing, oil changes, bearing inspections, and major component rebuilds indicates reliable prior operation and supports equipment value. Hours under heavy load crushing abrasive materials consume life faster than hours on softer stone or gravel. Ask for duty cycle information, tonnage crushed, and material hardness data when available. Machines with solid records and recent overhauls - especially bearing replacements, shaft reconditioning, or chamber rebuilds - command higher prices and offer more predictable performance.
The maximum feed size of the material dictates the feed opening size of the crusher. Measure the gape (feed opening) dimensions to confirm the unit can accept your expected raw material size - maximum feed should not exceed roughly 80% of the opening. The crushing chamber configuration (standard vs. short-head in cone crushers, chamber profile aggressiveness) directly affects product shape, volume of throughput, and the range of closed-side setting (CSS) and open-side setting (OSS) adjustments. Worn adjustment mechanisms reduce control over product size and increase energy draw. The required reduction ratio determines the size of the input material versus the desired output size, so verify that CSS and OSS ranges match your product specification before purchase.
Selecting an industrial crusher requires balancing material characteristics and throughput demands. Crushers are typically selected based on material type, production capacity, and cost-effectiveness. Here are the criteria that drive the decision:
Material Type and Hardness - The hardness of materials is measured on the Mohs scale and affects crusher selection. Very hard rock like granite or quartzite calls for compression crushers (jaw, cone, gyratory) with robust alloy liners. Softer or more friable stone and recycled concrete favor impact crushers that produce better particle shape. Evaluating material moisture content is important for preventing clogging in crushers, and specialized designs may be required for high moisture or sticky materials to prevent packing.
Production Requirements - Required tonnage (tph), desired product size, and gradation shape guide which crushing stages you need. If your specification calls for cubical aggregate for concrete or asphalt, secondary or tertiary cone or impact crushers are necessary. For high-volume primary reduction with less strict shape requirements, a jaw or gyratory crusher may suffice as a primary crusher. Crushers produce varying amounts of rock dust and fines depending on type and setting.
Site Mobility Needs - Mobile crushers mounted on track or wheels offer flexibility for operations that move between sites or work in remote locations. Stationary crushers paired with conveyors deliver higher capacity and better economies of scale at fixed sites. Mobility adds transport wear and setup time but eliminates the cost of permanent foundations and infrastructure.
Budget and Operating Costs - Purchase price is only part of the equation. Operating costs should include energy consumption and maintenance needs. Impact crushers carry higher wear part cost per ton; jaw crushers are simpler with lower maintenance but often need a secondary stage. Power requirements and efficiency should be evaluated for optimal operation of crushers. Factor in wear part availability for the specific make and model, installation cost, foundation requirements, and power supply. Safety features may include automated settings, overload protection, and remote monitoring, which can reduce long-term operating risk. Used crusher pricing spans a wide range - modern mid-sized mobile jaw crushers typically list from $150,000 to $400,000, cone crushers from $200,000 to $500,000, and impact crushers from $180,000 to $450,000, with older units available for significantly less.
Crushers are categorized based on the stage of reduction they perform: primary, secondary, or tertiary. Primary crushers (jaw, gyratory) handle large objects - run-of-mine rock or blasted stone - and reduce it to sizes manageable by conveyors and secondary equipment. Secondary crushing uses cone or impact crushers to reduce material further, typically producing gravel-sized product. Tertiary and quaternary crushing stages use short-head cones or VSI units for fine crushing and particle shaping. Most operations require at least two crushing stages to reach final product specifications.
Evaluate wear part condition by measuring remaining liner, plate, or blow bar thickness. Review documented maintenance records for evidence of regular service and major component rebuilds. Check the crushing chamber geometry, CSS/OSS adjustability, and structural soundness of the frame, bearings, and shafts. Confirm the feed opening accommodates your material and that the machine's rated capacity meets your tonnage needs. Parts availability for the specific make and model is critical - major brands like Metso, Sandvik, and Terex generally offer better aftermarket support networks.
It depends on your operation. Mobile crushers suit sites that change location, remote projects, or smaller-volume work where permanent infrastructure isn't justified. Stationary crushers offer higher capacity, greater stability, and lower cost per ton at scale, but they require foundations, power supply, and are expensive to relocate. If you need to crush materials at multiple locations or on short-duration projects, mobile is the practical choice. For fixed quarries or long-term mining operations processing high volume, stationary machines deliver better economics.
Crushing reduces large rocks into smaller pieces through repeated high-stress cycles, so wear parts need regular replacement. Jaw plates, mantles, bowl liners, and blow bars are the most frequent items - replacement intervals depend on material abrasiveness and operating hours. For example, VSI rotor tips in abrasive service may need changing every 80–200 hours for standard alloys or 300–600 hours for premium carbide versions. Beyond wear parts, expect periodic bearing inspection and lubrication, hydraulic system maintenance, CSS and throw adjustment checks, and frame crack inspection. Planned downtime for chamber changeouts should be budgeted - unplanned stoppages on these heavy duty machines are far more costly than scheduled maintenance.
The right used crusher saves substantial capital while delivering the tonnage and product quality your operation demands. Start by matching the machine type to your material, production needs, and site requirements - then inspect wear parts, maintenance records, and chamber condition to confirm remaining life. Explore our curated inventory of used crushers to find inspected, documented equipment ready to crush materials on your next project.