- Powerful And Reliable Diesel Engine Performance Equipped With A Globally Recognized Brand Diesel Engine (Cummins/Yuchai/Weichai), This Unit Delivers Stable High-Pressure Airflow From 7 To 25 Bar, Air Flow From 5.0M³/Min To 31.0M³/Min, 185 Cfm To 2000 Cfm. Supporting Demanding Pneumatic Tools Like Rock Drills, Jackhammers, And Shotcrete Machines. The Direct-Drive Coupling Between The Engine And Air end Minimizes Energy Loss And Ensures Consistent Output Even Under Fluctuating Load Conditions.
Technical Highlights:
1. Integrated Skid-Mounted Unit
Diesel Engine Compartment (Cummins/Yuchai)
Twin-Screw Air End (Direct Coupling Drive)
Large Capacity Diesel Fuel Tank(200-800L)
Aftercooler + Oil Separator
Intelligent Control Panel (LED Display Optional)
2. Fully Enclosed Canopy
Soundproofing & Noise Reduction
Design(Noise
Dustproof, Rainproof, Sand proof
Side Access Door for Maintenance
Cooling Louvers
3. Air System
Quick Couplers (Multiple Outlets)
Pressure Gauge / Flow Meter
Safety Valve + Blowdown Valve
4. Safety Features
Front & Rear Warning Lights
Grounding Terminal
Reflective Tape
Toolbox
Applicable Project Types:
1. Highway/Railway Construction
Linear projects, paving length10-50km
Mixing plants, pavers, rollers need compressed air
Construction section relocates every 3-7 days
Case:200 km highway,2 mobile units following the paving Relocate twice a week, project completed in 3 months Stationary units would require 6units + frequent crane lifts.
2. Tunnel/Subway Construction
Tunnel face advances 3-8 meters per day
Compressor must move forward with the face
Wheeled trailer: Can maneuver inside tunnel
Tracked type: Suitable for muddy ground
Case:8km subway section, 1mobile unit following the TBM, Advances 40-60 meters per week, Zero downtime throughout.
3. Mining
Open pit mine work face shifts 100-500 meters per month
Drill jumbos, DTH hammers require mobile air source
Mobile unit advances with mining face
Case: Iron ore open pit, 3 mobile units in rotation, Relocate 4-6times per month, Save ¥300,000 per year in crane fees.
4. Drilling platforms change every3-6 months
Fracturing operations cover wide areas
Poor road conditions in desert /Gobi
Mobile unit: The only choice.
5. Pipeline repair, pavement breaking
Change 3-5 work sites per day
Mobile unit towed behind service truck
On-demand availability.
6. Main product for equipment rental companies
Customers across multiple job sites
Frequent dispatch and relocation
Mobility = Profitability
Core Advantages:
Advantage 1: Complete Freedom from Grid Power. The Ultimate Solution for Sites with No Power Access.
The Ultimate Solution for Sites with No Power Access: No intermediate conversion lose. Energy utilization >95%+
True Plug & Play: Tow to site - Lower outriggers - One-button start. Air supply in 3 minutes! No electrical installation required.
Completely Self-Sufficient operation: Full fuel tank allows 10-20 hours continuous operation. Worry-free night work. Rapid response for emergency rescue.
Advantage 2: Tow & Go, Lightning-Fast Relocation. The Perfect Solution for "Multi-Point, Long-Line" Projects.
The Lightning Relocation of Diesel Mobile Units: Relocation Process (Done in 30 minutes!), Shutdown (2 minutes), Press stop -Depressurize -Turn off diesel engine. Retract Outriggers (5 minutes), Hydraulic leg retraction -> Lock pins. Hook up Towing Vehicle (3 minutes), Connect hitch -> Connect air/electrical lines ->Test brakes. Road Transport (time depends on distance), Highway speed: 40-60 km/h Off-road speed: 15-30 km/h. Arrive at New Site (5 minutes), Unhitch -> Deploy outriggers -> Level. Start Air Supply (5 minutes), Connect air hose -> Start diesel engine-> Build pressure.
Advantage 3: All-Terrain Adaptation, Reliable in Extreme Conditions. From Arctic Permafrost to Desert Gobi, Nothing Stops It.
The All-Terrain Performance of Diesel Mobile Units. Extreme Cold Conditions (-35°C~-20°C).
Extreme Cold Version Configuration:
Electric Preheat System: Engine block heater (1500W), Oil pan heater (1000W), Fuel line heating tape, 30 minute preheat for start.
Low Temperature Fuel System: -35# diesel (gels at-35°C), Insulated fuel tank cover, Fuel line anti-gel valve.
Low Temperature Lubricants: 5W-30 full synthetic oil, Good fluidity down to -40°C.
Enhanced Starting System: Dual batteries (24V 200Ah), High power starter motor, Battery insulation box + heating blanket.
Cold Protection Materials: Cold-resistant rubber hoses (rated -50°C), Double-layer insulated canopy, Sealing strips to prevent cold air ingress.
High Temperature Conditions (+40°C~ +50°C)
High Temperature Version Configuration:
Reinforced Cooling System: Larger radiator surface area(+30%), Dual forced convection fans, Copper tube radiator (better heat transfer), Sunshade roof (reflects solar radiation).
High Temperature Specific Fluids: 15W-40 diesel engine oil, High temperature compressor oil (high viscosity index).
Sand/Dust Protection Design: Multi-stage air filter, Cyclone pre-filter + paper filter safety filter, Automatic dust discharge valve, Sealed canopy to keep out sand.
High Altitude Conditions (2000-4500m altitude)
High Altitude Version Configuration:
Turbocharged Engine: Turbocharger forced induction, Power loss
High Altitude ECU Calibration: Optimized fuel injection curves, Adjusted boost pressure, Adaptive altitude compensation.
Reinforced Cooling: Oversized radiator, Compensates for reduced cooling efficiency.
Advantage 4: Integrated Design, Simple Maintenance Factory Prefabricated, Plug & Play, Simple Operation.
Integration Advantages of Diesel Mobile Unit:
Factory Prefabricated Integration: Unified chassis platform, 100% tested before leaving factory, Diesel engine + Compressor + Auxiliary systems, Optimized parameter matching, Piping and wiring pre-installed at factory.
Advantages: No on-site installation work, No alignment or debugging, Fewer failure points (high integration), Easy maintenance (modular design), Ready to use upon delivery.
Performance Advantages:
Noise Control: Noise Level (@7 meters distance), Standard Type:75-82dB(A), Ultra-Quiet Type:≤75 dB(A), Three-layer soundproofing cotton + damping plate.
Noise Reduction Technology: Fully Enclosed Soundproof Canopy, Intake silencer (>25dB noise reduction), Exhaust silencer(>30dB noise reduction), Vibration damping rubber pads (for engine mounting), Flexible connections (for piping), Flame retardant sound insulation material (50mm thick).
Compressor Air End:
Air End Type: Screw Type
Twin Screw Rotors (male and female rotors)
4/5-6 lobe profile (high efficiency profile)
SKF/FAG Bearings (Imported brand)
Direct drive rotors (no belts)
Service Life: 30,000-50,000 hours
Drive Method: Direct Coupling Drive
Transmission Efficiency:98% (virtually no loss)
No belt wear issues
Compact and reliable structure
oil System:
Oil-Air Separator: Three- stage separation
Oil carryover Oil Cooler: Plate-fin/Shell and tube
Minimum Pressure Valve: Prevents oil blow-by
Oil Cut-off Protection: Automatic shutdown on oil failure
Cooling System:
Cooling Method: Air Cooled
Combined Cooler, Compressor oil cooler, Air aftercooler, Diesel engine radiator, Three-in-one series arrangement.
Forced Air Cooling System: High power axial fan, Aluminum fin radiator, Automatic temperature-controlled speed adjustment, Reverse rotation cleaning function (anti-clogging).
Control system:
Intelligent Controller: Real-time Display, Discharge Pressure, Running Hours, Discharge Temperature, Battery Voltage, Oil Temperature/Pressure, Fault Codes, Fuel Level Remaining, Engine Speed Water Temperature.
Automatic Protection: Overpressure Protection, Over temperature Protection, Oil Starvation Protection, Power Failure Protection, Overspeed Protection, Emergency Stop Button.
Smart Functions: One-Button Start, Automatic Unloading (Idle load), Timed Start/Stop, Maintenance Reminder (hour meter based), Fault History Log.
The "Power Heart" for Remote Job Sites Key Specifications:
Power Unit: Diesel Engine
Power Range: 25-295 kW
Engine Brands (World-Class) Cummins(USA), Best-selling, 60% market share.
SDEC/Weichai/ Yuchai (Domestic Chinese Brands), Economy series, 5% market share.
Free Air Delivery (FAD): 4.2-31 m3/min
Series Configurations:
1. Small (4.2-8m2/min)
Power:25-55kW
Pressure: 7/8/10/13 bar
Application: Small job sites, road repair, emergency rescue
Use Case: 2-4 jackhammers, 1 shotcrete machine, small drill rigs
Weight: 750-1200kg.
2. Medium (10-17m2/min)
Power: 78-194kW
Pressure: 7/10/13/17 bar
Application: Tunneling medium quarries municipal engineering
Use Case: 8-12 jackhammers, medium drill rigs, sandblasting
Weight: 1500-3200kg (Standard Trailer)
Market share:50%(Best-selling).
3. Large (20-31m2/min)
Power: 153-295kW
Pressure: 7/10/13/17/25 bar
Application: Large tunnels, mining, oilfield fracturing
Use Case: Large drill rigs, jumbos, continuous operation
Weight: 3000-3500kg (Heavy-Duty Trailer).