Picking the wrong air compressor causes unexpected downtime and wastes money on job sites. Based on our practical experience at YG Machinery, over 60% of buyers mistake working pressure (MPa) for air flow rate (m³/min). As a direct machinery manufacturer, we built this guide to help contractor teams and factory owners buy smartly.
Diesel Screw Portable Air Compressor Parameter
| Model | Nominal Pressure(Mpa) | F.A.D(Free Air Delivery(m³/min) | Oil Content(ppm) | Diesel Power(HP) | Weight (kg) | Unit Dimensions(mm) |
| 40YGY | 0.6 | 4.2 | ≤6 | 37(50) | 860 | 2400×1330×1480 |
| 58YGY-8 two wheels | 0.8 | 7 | ≤6 | 58(80) | 1550 | 3140×1740×1900 |
| 110YGY-8 four wheels | 0.8 | 12 | ≤6 | 110(150) | 2180 | 3120×1630×2290 |
| 110YGY-10 two wheels | 1.0 | 12 | ≤6 | 110(150) | 2130 | 2890×2020×2270 |
| 110YGY-10 four wheels | 1.0 | 12 | ≤6 | 110(150) | 2180 | 3120×1630×2290 |
| 110SYGY-14.5 two wheels | 1.45 | 10 | ≤6 | 110(150) | 2130 | 2890×2020×2270 |
| 110YGY-14.5 four wheels | 1.45 | 10 | ≤6 | 110(150) | 2180 | 3120×1630×2290 |
| 138YGY-14.5 two wheels | 1.45 | 13 | ≤6 | 140(180) | 2384 | 3350×2060×2350 |
| 139YGY-13 four wheels | 1.3 | 15 | ≤6 | 140(180) | 2580 | 3650×1700×2040 |
| 141YGY-13 four wheels | 1.3 | 15.5 | ≤6 | 140(180) | 2510 | 3650×1700×2040 |
| 180YGY-8 four wheels | 0.8 | 20 | ≤6 | 179(240) | 3428 | 3720×1970×2250 |
Diesel-Driven Portable Screw Air Compressor (High-Pressure Series) Parameter
| Model | Nominal Pressure(Mpa) | F.A.D(Free Air Delivery(m³/min) | Oil Content(ppm) Diesel Power(HP) | Diesel Power(HP) | Weight (kg) | Unit Dimensions(mm) |
| 168YGY-17 four wheels | 1.7 | 16 | ≤6 | 162(220) | 2550 | 3620×1950×2200 |
| 177YGY-17 four wheels | 1.7 | 16 | ≤6 | 177(240) | 3760 | 3720×1970×2250 |
| 181YGY-17 two wheels | 1.8 | 17 | ≤6 | 181(260) | 3650 | 3600×1870×2660 |
| 186YGY-18 four wheels | 1.8 | 18 | ≤6 | 191(260) | 3760 | 3600×1870×2660 |
| 198YGY-18 four wheels | 1.8 | 18 | ≤6 | 191(260) | 3900 | 3720×1970×2550 |
| 250YGY-18 four wheels | 1.8 | 23 | ≤6 | 295(400) | 4800 | 3810×2000×2900 |
| 228YGY-21 | 2.1(Two-Stage Compression) | 20 | ≤6 | 221(300) | 4060 | 3600×1870×2550 |
| 300YGY-24 | 2.4(Two-Stage Compression) | 30 | ≤6 | 309(420) | 4910 | 4150×1950×2900 |
What Is an Air Compressor and How Does It Power Other Machines?
An air compressor converts power from electric motors or diesel engines into potential energy stored in pressurized air. It serves as the primary power source for many heavy-duty factory tools.
- Mining and Drilling Equipment: Paired with a pneumatic rock drill, an air compressor needs 0.7–1.5 MPa pressure to drive heavy rock bits.
- Surface Cleaning Machinery: Working with a sandblasting machine requires a stable air flow rate to remove rust quickly.
- Packaging and Light Industry: On paper cup machine and egg tray machine production lines, clean air drives pneumatic cylinders and mold blowouts smoothly.
Screw Compressor vs. Piston Type: Which Air Compressor Fits You Best?
Modern industrial jobs favor a reliable screw compressor over old piston designs due to high continuous output.
A rotary screw compressor handles 24/7 continuous duty easily. It runs with low noise and needs minimal maintenance. On the other hand, traditional piston models cost less upfront. However, they wear out quickly and only suit intermittent, light-duty work.
Pro-tip: For factory production lines, go straight for a rotary screw unit. It saves you huge electricity costs over time.
Electric Screw Air Compressors Parameter
| Model | Nominal Pressure(Mpa) | F.A.D(Free Air Delivery(m³/min) | Oil Content(ppm) | Motor Power(KW) | Weight (kg) | Unit Dimensions(mm) |
| YGDY13.6-8 | 0.8 | 13.6 | ≤5 | 75 | 1956 | 2280×1656×1970 |
| YGDY12-10 | 1.0 | 12 | ≤5 | 75 | 1832 | 2880×1656×1970 |
| YGDY12-13 | 1.3 | 12 | ≤5 | 90 | 2273 | 2280×1656×1970 |
| YGDY16-13 | 1.3 | 16 | ≤5 | 132 | 3175 | 3340×1640×2270 |
| YGDY21-13 | 1.3 | 21 | ≤5 | 185 | 3395 | 3340×1640×2270 |
Diesel vs. Electric: How to Choose the Power and Mobility of Your Portable Air Compressor?
Remote job sites need a diesel-powered portable air compressor, while indoor factory floors run best on electric models.
A diesel portable screw compressor costs more than an electric unit with the same output. Yet, it operates anywhere without a grid power connection. Heavy wheels make a portable air compressor ideal for mining and road construction. Meanwhile, stationary skid-mounted units fit neatly inside fixed plant workshops.
Pro-tip: If you manage field projects, pick a wheel-mounted diesel unit. You can tow it around smoothly anywhere you go.
Real Field Case: How a Middle East Contractor Cut Costs with the Right Air Compressor?
An overseas contractor named Michael faced big delays during outdoor mining work. His rock drills lacked force, and his old air unit overheated frequently.
Our technical team analyzed his site requirements carefully. We provided him with a diesel portable screw compressor delivering 12m³/min air flow at 1.2Mpa pressure.
Actual Results and Customer Benefits:
- Higher Output: Three rock drills ran simultaneously at full power, boosting drilling speed by 35%.
- Lower Fuel Costs: Smart engine control reduced total fuel usage by 15%.
- Zero Downtime: The unit ran continuously for 6 months without a single breakdown, saving thousands in maintenance.
Buyer FAQ on Selecting an Air Compressor
You need to specify three main points: power source (diesel or electric), mobility (wheels or fixed skid), and your required pressure (MPa) plus air flow (m³/min).
A diesel engine costs much more to manufacture than an electric motor. It also needs dedicated fuel tanks, heavy cooling radiators, and complex control panels.
Moisture and oil carryover in compressed air cause frequent trouble. Without dry air, water damages pneumatic cylinders inside paper cup machines and ruins wet paper pulp shapes.
Final Thoughts
Selecting the ideal air compressor requires matching pressure, flow rate, and power sources to your job site tools. As a direct machinery manufacturer, YG Machinery supplies heavy-duty air units alongside rock drills, sandblasters, and industrial production lines. Contact our expert team today to get a custom gear setup for your next project!
