KOTECH KDP Series | Portable Diesel Air Compressor for Mining & Construction
KOTECH KDP Series portable diesel mobile air compressor. High-efficiency rotary screw air end powered by world-class Diesel engines (Cummins/Yuchai). Designed for the toughest environments including mining, borehole drilling, and industrial construction. CE & ISO certified quality. Reliable high-flow air delivery with unmatched site-to-site mobility and fuel economy.
Send your required working pressure, flow rate (CFM), and application. Our engineering team will recommend the most cost-effective model within 24 hours.
Why KDP series excels in exploration, oil & gas, mining, and outdoor engineering projects
What Keeps Site Managers Awake at Night
- Engine "Suffocation" at Altitude: Standard compressors lose up to 30% power at high elevations, stalling your entire project.
- The "Fuel Trap": Inefficient air-ends turn your operation into a money-pit as fuel costs skyrocket under heavy loads.
- Dust Contamination Lethality: Fine sand and dust in mining zones clog internal systems, leading to catastrophic engine failure.
- Logistics Nightmare in Nowhere: Breaking down in remote regions means weeks of waiting for generic parts while costs pile up.
How KDP Series Guarantees Operational Success
- Intelligent Power Compensation: Turbo-charged engines auto-adjust to maintain peak torque from sea level up to 4500m.
- Fuel-Saving Screw Technology: Precision-machined rotors deliver 15%-20% more CFM per drop of fuel than competitors.
- Pre-Filtration Defense System: Dual heavy-duty centrifugal filters ensure only 99.9% clean air enters the combustion chamber.
- Global Support Architecture: Built with Cummins/Perkins/Yuchai cores, accessing parts via 100+ local service networks.
Industries & Applications
KDP Series Selection Guide
| Model | Air Delivery-㎡/min | Air Delivery-cfm | Working Pressure-bar | Working Pressure-psi | Fuel oil tank capacity-L | Diesel Engine-brand | Rated Power-kw | Noise-dB(A) | Max. ambient temperature-℃ | Max. rotation speed-rpm | Min. rotation speed-rpm | Outlet Connection | Dimension(mm)-L | Dimension(mm)-W | Dimension(mm)-H | Weight-Kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KDP-1/7 | 1 | 35 | 7 | 100 | 20 | Changchai | 8.2 | 70±3 | 50 | 2500 | 1800 | 1*G3/4 | ODM | ODM | ODM | ODM |
| KDP-2/7 | 2 | 70 | 7 | 100 | 20 | Changchai | 11 | 70±3 | 50 | 2500 | 1800 | 1*G3/4 | ODM | ODM | ODM | ODM |
| KDP-3.5/7 | 3.5 | 123 | 7 | 100 | 45 | Yanmar | 26.8 | 75±3 | 50 | 2650 | 1750 | 2*G3/4 | 2853 | 1272 | 1092 | 880 |
| KDP-4.5/7 | 4.5 | 147 | 7 | 100 | 70 | Yanmar | 32.2 | 75±3 | 50 | 2500 | 1750 | G1, G3/4 | 3230 | 1440 | 1425 | 1200 |
| KDP-5/7 | 5.2 | 185 | 7 | 100 | 70 | Weichai | 36.8 | 75±3 | 50 | 2500 | 1750 | G1, G3/4 | 3230 | 1440 | 1425 | 1200 |
| KDP-5/7 | 3.7 – 5.2 | 130 – 185 | 13 – 7 | 188 – 100 | 70 | Yanmar | 32.3 | 75±3 | 50 | 2500 | 1750 | G1, G3/4 | 3230 | 1440 | 1425 | 1200 |
| KDP-6/7 | 6 | 214 | 7 | 100 | 100 | Yanmar | 60 | 75±3 | 50 | 2500 | 1500 | G1-1/4, G1 | 3300 | 1570 | 1560 | 1550 |
| KDP-6/10 | 6 | 214 | 10 | 145 | 120 | Cummins | 60 | 75±3 | 50 | 2500 | 1500 | G1-1/4, G1 | 3300 | 1570 | 1560 | 1550 |
| KDP-10/7 | 10 | 353 | 7 | 100 | 140 | Cummins | 93 | 80±3 | 50 | 2000 | 1500 | G1-1/2, 2*G1-1/4 | 3800 | 1900 | 1900 | 1820 |
| KDP-10/10 | 10 | 353 | 10 | 145 | 160 | Cummins | 97 | 80±3 | 50 | 2500 | 1800 | G1-1/2, 2*G1-1/4 | 3800 | 1900 | 1900 | 1820 |
| KDP-12/7 | 12 | 424 | 7 | 100 | 160 | Cummins | 97 | 80±3 | 50 | 2300 | 1800 | G1-1/2, 2*G1-1/4 | 3800 | 1900 | 1900 | 1820 |
| KDP-10/12 | 10 | 353 | 12 | 174 | 160 | Cummins | 97 | 80±3 | 50 | 2500 | 1800 | G1-1/2, 2*G1-1/4 | 3800 | 1900 | 1900 | 1820 |
| KDP-12/8 | 12 | 423 | 8 | 116 | 160 | Cummins | 110 | 80±3 | 50 | 2500 | 1800 | G1-1/2, 2*G1-1/4 | 3800 | 1900 | 1900 | 1820 |
| KDP-13/13 | 13 | 460 | 13 | 188 | 188 | Cummins | 110 | 80±3 | 50 | 2500 | 1500 | G1-1/2, 2*G1-1/4 | 4320 | 2000 | 2000 | 2250 |
| KDP-15/13 | 15 | 530 | 13 | 188 | 203 | Cummins | 132 | 85±3 | 50 | 2000 | 1500 | G1-1/2, 2*G1-1/4 | 4320 | 2000 | 2000 | 2250 |
| KDP-12/14 | 12.5 | 441 | 14 | 203 | 203 | Cummins | 132 | 85±3 | 50 | 2500 | 2000 | G1-1/2, 2*G1-1/4 | 4320 | 2000 | 2000 | 2250 |
| KDP-14/14 | 14 | 494 | 14 | 203 | 290 | Cummins | 154 | 85±3 | 50 | 2200 | 1500 | G1-1/2, 2*G1-1/4 | 4320 | 2000 | 2000 | 2250 |
| KDP-10/20 | 10 | 353 | 20 | 290 | 290 | Cummins | 158 | 85±3 | 50 | 2000 | 1500 | G1-1/2, 2*G1-1/4 | 4320 | 2000 | 2000 | 2250 |
KDP Series: Portable Diesel Air Compressors
The Ultimate Pneumatic Solution for Rugged Environments
The KOTECH-KDP Series is engineered for maximum versatility and relentless performance. Whether powering heavy construction machinery or operating in remote mining sites, the KDP Series delivers high-pressure air with unmatched efficiency.
Key Technical Advantages
1. Extreme Adaptability & Versatility
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Climate Resilient: Precision-engineered components ensure flawless operation in ambient temperatures ranging from -20°C to +50°C.
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Customizable Mobility: Choose from a fixed or height-adjustable tow bar (with or without overrun brakes). Stationary models are available on skids or machine mounts for permanent installation.
2. Heavy-Duty Power, Lightweight Design
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High Power-to-Weight Ratio: Exceptionally easy to maneuver and transport without sacrificing output.
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Extended Shift Autonomy: Equipped with an oversized fuel tank to ensure continuous operation for an entire work shift without refueling.
3. Advanced Engine & Air Management
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Independent Filtration: Separate, high-capacity air filters for both the engine and compressor optimize intake and prevent cross-contamination.
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Electronic Fuel Pump: Features rapid, automatic deaeration of diesel lines—eliminating labor-intensive manual pumping and reducing downtime.
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Dedicated Expansion Tank: Exclusive cooling system design prevents overheating in high-load scenarios.
4. Global Engine Options
Standardize your fleet with world-class powerplants for easy local maintenance:
Available Engines: Kubota, Yanmar, Perkins, Volvo, Cummins, and more.
5. Intuitive “Smart-Start” Operation
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Single-Switch Control: Simple icon-based interface with a pre-heat function.
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Safety First: Fully automatic monitoring with instant shutdown in case of malfunction.
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At-a-Glance Monitoring: Analog pressure gauges and digital temperature displays for real-time diagnostics.
Why Choose Kotech? (Trustworthy Services)
We back our hardware with a comprehensive support ecosystem to ensure your project never stops:
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Expert Consultation: We assist in selecting the precise configuration (pressure/flow) to match your specific project requirements.
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Global Technical Support: From operational guidance to rapid troubleshooting, our technical team is available to keep your equipment in peak condition.
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Genuine Spare Parts: Access a reliable supply of authentic Kotech parts to ensure long-term stability and sustained performance.
Kotech KDP-Series: Your trusted partner for construction, manufacturing, and energy sectors worldwide.
Have Questions? Contact Us
Fill out the form below and we'll get back to you within 24 hours.
Frequently Asked Questions
We primarily use Cummins, Yuchai, and Deutz engines to ensure reliable performance and easy access to spare parts worldwide.
Yes. Our diesel compressors are equipped with specialized intake systems and heavy-duty cooling to maintain peak performance in high-altitude and high-temperature environments.
Our advanced screw air-end design and intelligent engine speed control can save up to 10-15% in fuel costs compared to traditional models.
Absolutely. The KDP series is fully CE approved, meeting international safety and quality standards for export to over 130 countries.
We recommend a basic check every 250 hours and a major service every 500-1000 hours, depending on the working environment.
Yes, as a factory-direct manufacturer, we can customize the pressure and flow rate to match your specific drilling or industrial requirements.



