Portable Screw Air Compressors (Diesel power series) are widely used in various industries for roads, railways, mines, water conservation and supplies, shipbuilding, city development, energy development, military services, and others. GTL’s Portable Screw Air Compressors (Diesel power series) are highly efficient and reliable with a full range of selections.
Production Capacity: 30/Month Payment Terms: L/C, T/T
After-sales Service: Online Warranty: 2 year
Lubrication Style: Lubricated Cooling System: Water Cooling
Power Source: Diesel Engine Cylinder Position: Vertical
| Model | MDS185-FF | |||||||||
| Compressor | Air delivery | m3/min | 5.18 | |||||||
| cu.ft/min | 185 | |||||||||
| Discharge pressure | bar | 7 | ||||||||
| psig | 101.5 | |||||||||
Lubricating Oil Capacity | L | 23 | ||||||||
| Diesel Engine | Manufacture&Model | Foxair-4027DF-005 | ||||||||
| Cylinder Number | 4 | |||||||||
| Rotation speed(Rmp) | Operating | 2650 | ||||||||
| Idle speed(r/min) | 2200 | |||||||||
| Rated power(KW) | 42 | |||||||||
| Lubricating Oil capacity(L) | 300 | |||||||||
Displacement (L) | 2.7 | |||||||||
Lubricating Oil Capacity (L) | 7 | |||||||||
Coolant Capacity (L) | 9 | |||||||||
Battery | 6-QW-70 | |||||||||
Standard Configuration
◆ Suction valve
◆ Solenoid valve
◆ Lubricating oil radiator
◆ Minimum pressure valve
◆ Air filter of compressor
◆ 24V sealed for life maintenance-free battery
Lubricating oil filter
Vertical air/oil tank
Safety valve
Lockable battery isolator switch
Vent valve
Fuel tank for 8 hours running
◆ Oil thermostatic valve
◆ Pressure regular valve
◆ Emergency stop button
◆ Powder-coated canopy
50°C radiator
Air/oil separator
Air filter of engine
Shuttle valve
General Features
Structure diagram
1. Lifting bail 2. Exhaust outlet 3. Door 4. Handle 5. Service valve 6. Instrument panel
| Feature&Benefit | |||||||||
| Feature | Benefit | ||||||||
| Pressure selection and control | Easy pressure setting | ||||||||
| Flow selection and control | The working pressure and airflow rate can be adjusted according to the size of air consumption without wasting any diesel | ||||||||
| The twin-screw rotor is directly connected with the diesel engine by a highly flexible coupling | Outputting more air with less energy consumption, featuring high reliability, longer service life, and low maintenance cost. | ||||||||
| The two-stage air filtration system | The total efficiency of air filtration reaches 99.8% ensuring the compressor to not be infringed by dust and dirt particles and longer service life of the engine | ||||||||
| High-temperature resistance design | Able to run for a long time under extreme cold or hot temperature from -20ºC to 50ºC | ||||||||
| One-button start, clear operational parameters | Operators don’t have to go through long-term professional training, and unattended operations can be achieved. | ||||||||
Application areas
| Field | Application | Nominal Working Pressure(bar) | Free Air Delivery Range(m3/min) | |||||||
| General Construction (building sites, road maintenance, bridges, tunnels, concrete pumping, and shotcreting) | Hand-held pneumatic breakers | 7~14 | 5~13 | |||||||
| Jackhammers | ||||||||||
| Air guns | ||||||||||
| Shotcrete equipment | ||||||||||
| Pneumatic wrenches | ||||||||||
| Nut runners | ||||||||||
| Ground Engineering Drilling (basement and foundation excavation for apartment blocks and other buildings) | Pneumatic rock drills | 7~17 | 12~28 | |||||||
| Block cutters | ||||||||||
| Dewatering pumps. | ||||||||||
| Hand-held pneumatic breakers | ||||||||||
| Utility, Abrasive Blasting (shipyards, steel construction and large renovation jobs) | Sandblasting (remove rust, scale, paint) | 7~10 | 10~22 | |||||||
| Blast Hole Drilling (aggregate production for construction stabilization, cement production in limestone quarries and open-pit mining) | Rock drills | 14~21 | 12~29 | |||||||
| Dewatering pumps | ||||||||||
| Hand-held breakers | ||||||||||
| High-Pressure Drilling (drilling for water wells and foundations for high-rise buildings, along with geotechnical/geothermal applications) | Water well drilling | 20~35 | 18~40 | |||||||
| DTH drilling | ||||||||||
| Rotary drilling | ||||||||||
Selection table
| Small Series | ||||||||||
| Small Series | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS55S-7 | 1,55 | 55 | 7 | 101,5 | D902 | 2925 | 1650 | 1200 | 1200 | 600 |
| MDS80S-7 | 2,24 | 80 | 7 | 101,5 | D1005 | 2925 | 1650 | 1200 | 1200 | 630 |
| MDS100S-7 | 2,8 | 100 | 7 | 101,5 | V1505 | 2925 | 1650 | 1200 | 1200 | 640 |
| MDS125S-7 | 3,5 | 125 | 7 | 101,5 | V1505 | 3065 | 1800 | 1500 | 1350 | 810 |
| MDS130S-8 | 3,7 | 132 | 8 | 116 | JE493 | 3065 | 1800 | 1500 | 1350 | 810 |
| MDS185S-7 | 5,18 | 185 | 7 | 101,5 | JE493 | 3200 | 1900 | 1740 | 1660 | 950 |
| MDS185S-10 | 5,18 | 185 | 10 | 145 | JE493 | 3050 | 1900 | 1740 | 1660 | 950 |
Middle Series (Low&Medium pressure)
| Middle Series (Low&Medium pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS265S-7 | 7,42 | 265 | 7 | 101,5 | JE493 | 3629 | 2200 | 1700 | 1470 | 1200 |
| MDS300S-14 | 8,4 | 300 | 14 | 203 | 4BTA3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS350S-10 | 9,9 | 354 | 10 | 145 | 4BT3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS390S-7 | 11 | 393 | 7 | 101,5 | 4BTA3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS390S-13 | 11 | 393 | 13 | 188,5 | QSB4.5 | 3850 | 3100 | 1810 | 2378 | 1980 |
| MDS429S-7 | 12 | 429 | 7 | 101,5 | 4BTA3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS429S-14 | 12 | 429 | 14 | 203 | QSB4.5 | 3850 | 3100 | 1810 | 2378 | 1980 |
| MDS500S-14 | 14,1 | 504 | 14 | 203 | 6BTAA5.9 | 4550 | 3600 | 1810 | 2378 | 3100 |
| MDS690S-14 | 19,3 | 689 | 14 | 203 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS720S-10 | 20,2 | 721 | 10 | 145 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS750S-12 | 21 | 750 | 12 | 174 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS786S-10.3 | 22 | 786 | 10,3 | 149,35 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS820S-14 | 23 | 821 | 14 | 203 | 6LTAA8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS850S-8.6 | 24 | 857 | 8,6 | 124,7 | 6CTAA8.3 | 5300 | 4200 | 2170 | 2630 | 4600 |
| MDS900S-7.1 | 25,3 | 904 | 7,1 | 102,95 | 6CTA8.3 | 5300 | 4200 | 2170 | 2630 | 4600 |
Middle Series (Medium&High pressure)
| Middle Series (Medium&High pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS460S-17 | 13 | 464 | 17 | 246,5 | 6BTAA5.9 | 4600 | 3500 | 1800 | 2230 | 3500 |
| MDS620S-17 | 17,4 | 621 | 17 | 246,5 | 6LTAA8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS650S-19 | 18,2 | 650 | 19 | 275,5 | QSL8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS690S-20.4 | 19,4 | 693 | 20,4 | 295,8 | 6LTAA8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS770S-21 | 21,6 | 771 | 21 | 304,5 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS830S-18 | 23,2 | 830 | 18 | 261 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS820S-25 | 23 | 821 | 25 | 362,5 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5600 |
| MDS860S-20.4/17.3 | 24,2 | 864 | 20,4 | 295,8 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| 24,2 | 864 | 17,3 | 250,85 | |||||||
| MDS875S-23 | 24,5 | 875 | 23 | 333,5 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5600 |
Large Series (Low&Medium pressure)
| Large Series (Low&Medium pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS900S-14.2/10.5 | 25,1 | 896 | 14,2 | 205,9 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| 25,2 | 900 | 10,5 | 152,25 | |||||||
| MDS910S-14 | 25,6 | 914 | 14 | 203 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS970S-10 | 27,2 | 971 | 10 | 145 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1011S-8.6 | 28,3 | 1011 | 8,6 | 124,7 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1054S-12 | 29,5 | 1054 | 12 | 174 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1250S-8.6 | 35 | 1250 | 8,6 | 124,7 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1400S-13 | 40 | 1400 | 13 | 188,5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 5800 |
| MDS1600S-10.3 | 45 | 1600 | 10,3 | 149,35 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 5800 |
| MDS1785S-13 | 50 | 1785 | 13 | 188,5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 5800 |
| MDS2140S-10 | 60 | 2142 | 10 | 145 | QSZ14 | 7400 | 5400 | 2230 | 2630 | 8400 |
Large Series (Medium&High pressure)
| Large Series (Medium&High pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS900S-20 | 25,3 | 904 | 20 | 290 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5800 |
| MDS960S-18 | 26,9 | 961 | 18 | 261 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5800 |
| MDS1000S-35 | 28,2 | 1000 | 35 | 507,5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1089S-25 | 30,5 | 1089 | 25 | 362,5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1200S-24 | 33,6 | 1200 | 24 | 348 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1250S-21 | 35 | 1250 | 21 | 304,5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1250S-25 | 35 | 1250 | 25 | 362,5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1250S-30 | 35 | 1250 | 30 | 435 | WP17G770E302 | 6200 | 4700 | 2100 | 2630 | 7800 |
| MDS1250S-35 | 35 | 1250 | 35 | 507,5 | WP17G770E302 | 6200 | 4700 | 2100 | 2630 | 7800 |
| MDS1250S-40 | 35 | 1250 | 40 | 580 | WP17G770E302 | 6200 | 4700 | 2100 | 2630 | 7800 |
| MDS1428S-18 | 40 | 1428 | 18 | 261 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1428S-35 | 40 | 1428 | 35 | 507,5 | TAD1643VE-B | 7400 | 5500 | 2180 | 2650 | 10000 |
| MDS1428S-40 | 40 | 1428 | 40 | 580 | QSK19 | 7400 | 5500 | 2180 | 2650 | 10000 |
| MDS1600S-25 | 44,8 | 1600 | 25 | 362,5 | WP17G770E302 | 7400 | 5500 | 2180 | 2650 | 10000 |
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