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The mobile impact crushing station constitutes a complete crushing production line capable of self-propulsion or towing; every module—from feeding and crushing to discharge—is fully integrated onto a crawler or wheeled chassis. On-site, there is no need for concrete foundations or complex equipment installation.
Its core advantage lies in the high reduction ratio capability of the impact crusher—processing feed material of up to 200 mm into finished products of less than 40 mm in a single pass. Furthermore, the self-compensating wear design of the blow bars and impact liners significantly reduces the frequency of manual adjustments.
More importantly, the impact crushing principle naturally generates cubical-shaped aggregates; whether used for backfill, road base layers, or commercial concrete, these finished products satisfy aggregate gradation requirements more readily than those produced by jaw crushers.
For medium-to-low hardness materials—such as construction waste, brick and concrete rubble, and limestone—this equipment represents the mobile solution offering the fastest return on investment.
A mobile impact crusher operates on the high-velocity impact principle: a rotor equipped with heavy-duty blow bars spins at high speeds (typically 600-800 rpm), striking incoming material and hurling it against adjustable aprons (impact plates) for secondary breakage. This makes it ideal for soft to medium-hard, less abrasive materials like limestone, concrete rubble, asphalt, or quarry fines.
In contrast:
Materials are conveyed uniformly and quantitatively to the jaw crusher—via a variable-frequency-controlled vibrating feeder—for primary crushing (reducing the size of large-lump materials). Following primary crushing, the material is transferred via a main belt conveyor to an impact crusher for secondary shaping and crushing.
The core closed-loop logic operates as follows: the crushed mixed material enters a circular vibrating screen for classification; properly sized material (meeting the client’s specific particle size requirements) is conveyed directly to the crusher, while oversized material is precisely returned to the impact crusher via a return conveyor for re-crushing, thereby establishing a closed-circuit circulation system.
This design ensures that the material undergoes a complete crushing cycle within the crushing chamber, ultimately achieving the production goals of controllable particle size, as well as continuous and highly efficient operation.
Mobile impact crushers are primarily suitable for crushing materials of medium to low hardness. Commonly processed materials include limestone, bluestone, construction waste, concrete, cement blocks, asphalt waste, coal gangue, and other ores of medium to low hardness. They are widely used in industries such as construction waste recycling, aggregate production, highway construction, and quarrying.
For demolition waste and recycled concrete, mobile impact crushers can operate directly on-site, reducing transportation costs and improving resource recovery efficiency.
For materials of the same hardness, compared to mobile jaw crushers, mobile impact crushers are more suitable for projects with higher requirements for finished product particle shape, especially in the fields of building aggregates and recycled resource utilization.
When selecting a mobile impact crusher, it’s necessary to comprehensively consider the material type, output requirements, feed size, and finished product specifications. Different projects have different requirements for crushing capacity and finished product particle shape; proper selection can improve production efficiency and reduce operating costs.
In the actual selection process, the following aspects typically need to be focused on:
Choosing between a tracked or wheeled mobile impact crusher isn’t just about mobility — it’s about balancing on-site agility, transport logistics, and total operating cost per ton.
Tracked models are built for rugged, uneven terrain and confined spaces. With remote-controlled tracks, they can climb stockpiles, work on soft ground, and reposition in minutes without a support vehicle. They’re ideal for demolition waste recycling, quarry scaling, or remote mining sites where road access is poor.
Wheeled versions, by contrast, are road-legal in most regions. You can hook them to a truck and move between sites in hours, not days. However, they require compacted, level ground for stable operation and typically need an external power source or separate generator. Best suited for contractors moving between urban job sites or asphalt/concrete recycling yards.
Tracked units give you operational freedom at the cost of higher purchase price and slower highway transport. Wheeled units offer logistical simplicity and lower upfront cost, but demand better site preparation and often a second engine or electric hookup.
If you relocate more than once a week, choose wheeled. If your site conditions vary or ground is unstable, choose tracked.
| Feature | Tracked Chassis | Wheeled Chassis |
|---|---|---|
| Ground condition | Soft soil, mud, gravel, uneven or sloped terrain | Compacted, level ground (concrete or hard base) |
| On-site mobility | Remote‑controlled tracks – can climb stockpiles and reposition without support vehicle | Requires truck or loader to move; limited to flat area |
| Setup time | ~5 minutes (lower tracks → start crushing) | 15–30 minutes (level outriggers → connect power → start) |
| Transport between sites | Slow self‑travel (<1 km/h); needs low‑bed trailer for highway | Road‑legal in most regions; towed by truck at up to 80 km/h |
| Power source | Usually diesel‑hydraulic (self‑contained) | Diesel or electric (often needs external hookup or gen set) |
| Typical application | Quarries, remote mines, demolition debris yards, poor road access | Urban demolition, asphalt/concrete recycling yards, contractors moving weekly |
| Upfront cost | Higher (complex undercarriage + hydraulic drive) | Medium (simpler chassis, optional electric drive) |
The operating cost of a mobile impact crusher mainly depends on whether you choose the hydraulic or electric drive version; the difference is significant. The operating cost of the electric drive version is much lower than that of the hydraulic drive version.
| Comparison Dimensions: | Diesel-Driven | Electric-Driven |
| Energy Costs | Relatively High, a major expense. Model 1: 43.66 liters/hour (approx. 150 tons/hour capacity) Model 2: Approx. 55 liters/hour (approx. 247 tons/hour capacity) | Extremely Low, significant cost savings. Approx. 35% lower energy cost than comparable diesel-driven models. Common energy consumption: 200-260 kWh/hour |
| Maintenance Costs | Relatively High, requires maintenance of engine and hydraulic system. | Relatively Low, simpler motor structure. Approx. 30% lower maintenance cost than comparable diesel-driven models. The hydraulic system is significantly simplified, reducing the risk of oil leaks and hydraulic oil consumption. |
| Overall Cost Reference | Project Overall Cost: Approx. 3.75 RMB/ton (including fuel consumption, consumables, maintenance, and depreciation) | Significant long-term cost advantage, especially suitable for fixed sites with stable power supply. |
Mobile impact crushers are better suited for processing materials with low or moderate moisture content. It is generally recommended to control the feed moisture content below 8%–15%. If the material moisture content is too high, problems such as adhesion and blockage can easily occur, affecting output and quality.
Under normal moisture conditions, mobile impact crushers can process conventional materials such as construction waste, limestone, and concrete blocks. However, it is not recommended to use mobile impact crushers directly during the rainy season or when processing highly moist and sticky materials, as this will affect the crushing chamber and conveying system.
Modern mobile impact crushers typically optimize the crushing chamber structure and vibrating feeding system to improve their adaptability to wet materials, but long-term processing of highly moist materials is still not recommended to ensure continuous, stable, and efficient operation of the equipment.
| Model | ZDM938F1210 | ZDM938FW1214 | ZDM1149F1315 | ZDM1349HD1110 | ZDM1349HD1315 |
| Transportation Length（mm） | 12000 | 12000 | 13900 | 15450 | 15450 |
| Transportation Width（mm） | 2550 | 2550 | 2900 | 2950 | 2950 |
| Transportation Height（mm） | 3900 | 3900 | 4450 | 4500 | 4500 |
| Maximum Length（mm） | 12500 | 12500 | 13900 | 15450 | 15450 |
| Maximum Width（mm） | 3250 | 3260 | 3250 | 3250 | 3250 |
| Maximum Height（mm） | 5100 | 5200 | 5200 | 5200 | 5200 |
| Weight（t） | 39 | 44 | 54 | 62 | 62 |
| Crusher Model | PF-1210 | PF-1214 | PF-1315 | HD1110 | HD1315 |
| The Maximum Feeding Size（mm） | 350 | 350 | 500 | 400 | 700 |
| Production Capacity（t/h） | 70-130 | 100-180 | 130-250 | 112 | 280 |
| Vibrating Feeder | ZSW950×3800 | ZSW950×3800 | ZSW110×4900 | ZSW130×4900 | ZSW130×4900 |
| Main Belt Conveyor | B800×8.5M | B800×8.5M | B1000×9.5M | B800×11M | B1200×11M |
| Side-opening Belt conveyor(Optional) | B500×3.2M | B500×3.2M | B650×4M | B650×4M | B650×4M |
| Genset(Optional) （kw） | 320 | 320 | 400 | 320 | 440 |
| Iron Separator (Optional)（kw） | RCYD(C)-8 | RCYD(C)-8 | RCYD(C)-10 | RCYD(C)-8 | RCYD(C)-12 |
Q: What’s the difference between a mobile impact crusher and a mobile jaw crusher?
A: A jaw crusher uses compression force to crush hard, highly abrasive materials such as granite and basalt. It’s best suited for primary crushing, producing coarser materials. An impact crusher, on the other hand, uses high-speed hammers to crush softer materials such as limestone, concrete, and asphalt. It produces more regular, square-shaped products, making it more suitable for use as roadbed and concrete aggregate.
Q: How much does a mobile impact crusher cost?
A: The purchase price of a mid-range model is typically between $100,000 and $200,000. However, over time, operating costs such as fuel, wear parts, and maintenance often exceed the initial purchase price. Electric models can significantly reduce fuel costs but require grid connection.
Q: Tracked or wheeled – which chassis should I choose?
A: If you need to operate on rough or soft terrain and require frequent movement without auxiliary vehicles, you should choose a tracked chassis. If you move between different construction sites more than once a week, and the site roads are paved with level concrete platforms, choose a wheeled crusher. Tracked crushers offer greater operational flexibility, while wheeled crushers facilitate logistics management.
Q: How often do I need to replace wearing parts?
A: Hammers typically last 400 to 500 hours, depending on the abrasiveness of the material. Side liners have a lifespan of 600 to 800 hours. Hard, high-silica materials like granite wear out much faster than limestone or concrete. Daily checks for wear and unusual noises can prevent unexpected downtime.
Q: Can a mobile impact crusher break hard rock like granite?
A: Yes, but a trade-off is necessary. Impact crushers can handle hard rock, but the lifespan of wearing parts will be significantly reduced—typically 50% to 75% shorter than when handling limestone. For large-volume hard rock operations, a combination of a jaw crusher and a cone crusher is generally more economical.
Q: What should I ask before purchasing equipment from a Chinese manufacturer?
A: The transport width (European roads require a width of less than 2.55 meters), spare parts availability and delivery time, voltage compatibility with the local power grid, whether an English manual is provided, and whether the machine can withstand the local climate—from 50°C to -30°C. Also, request a letter of recommendation from a local customer you can contact.
Q: Can I use a mobile impact crusher for concrete recycling?
A: Absolutely. Concrete recycling is one of the most common applications. Mobile impact crushers excel at crushing concrete fragments and can be equipped with magnetic separators to remove reinforcing steel. The crushed material is ideal for use as recycled base material or filler.
Q: How long does it take to set up at a new site?
A: Tracked crushers can be put into operation in about 5 minutes—simply lower the tracks, start the engine, and feed material. Wheeled crushers typically take 15 to 30 minutes as the outriggers need to be leveled and the power connected. If you frequently need to move the site, the setup time is particularly important.
Q: What are the routine maintenance steps?
A: Routine maintenance takes approximately 10 to 30 minutes: lubricating bearings, checking engine oil and hydraulic fluid levels, inspecting the wear of the hammer rod and bushings, and checking for any unusual noises or vibrations. Regular routine checks can prevent costly breakdowns.
Q: Do you provide overseas spare parts support?
A: Yes. We stock commonly used wear parts such as hammer plates, bushings, and belts in our regional warehouses. For urgent needs, we can also airfreight parts. Please contact us and provide your equipment model and location, and we will inform you of the current delivery time and shipping costs.
Chunlei Mining Machinery