📦 Drilling Air Compressors
Kaishan LGCY-25/23-27/18K Diesel Screw Compressor
Model: LGCY-25/23-27/18K
The Kaishan LGCY-25/23-27/18K portable diesel screw compressor delivers up to 25 m³/min free air delivery at 23 bar working pressure, with an 18K series engine option for demanding industrial applications. Designed for mining, quarrying, water well drilling, and construction, this heavy-duty unit combines Kaishan's proven twin-screw airend with a reliable diesel engine for continuous operation in remote locations. Its rugged chassis, high ambient cooling system, and intelligent control panel ensure stable performance, low fuel consumption, and easy maintenance. Whether you need high-pressure air for DTH drilling or large-volume air for sandblasting and pneumatic tools, the LGCY-25/23-27/18K offers a robust, cost-effective solution. Built to international standards and supported by Kaishan's global service network, it is an ideal choice for contractors and rental fleets seeking dependable diesel screw compressor performance.
Best For
Technical Specifications
| Model | LGCY-25/23-27/18K |
| Free Air Delivery | 25 m³/min (883 CFM) |
| Working Pressure | 23 bar (334 psi) |
| Engine | Cummins / Yuchai diesel engine, 18K series |
| Air Outlet Port | G1.5×1, G3/4×1 |
| Weight | 4,500 kg |
| Dimension (L×W×H) | 4,200 × 1,800 × 2,500 mm |
Product Details
Technical Selection
Key parameters for matching this machine to your job. Send us your hole diameter, depth and rock condition and our engineers will confirm the right configuration.
Working Pressure
23 bar (334 psi)
Free Air Delivery
25 m³/min (883 CFM)
Weight
4,500 kg
Dimension (L×W×H)
4,200 × 1,800 × 2,500 mm
Not sure this model fits? Tell us the hole diameter and depth — we will confirm the matching rig, compressor and hammer.
Check with an engineerKey Advantages
High free air delivery of 25 m³/min and 23 bar working pressure for demanding drilling
Fuel-efficient diesel engine (Cummins/Yuchai) with cold-start capability
Durable Kaishan twin-screw airend for reliable, continuous operation
Weather-resistant and sound-attenuated enclosure for outdoor use
Intelligent control panel with automatic protection and fault diagnosis
Large fuel tank for extended runtime without refueling
Rugged four-wheel chassis for easy towing over rough terrain
Wide ambient temperature range from -20°C to 50°C
Applications
📍 Mining and Quarrying
High-pressure air for DTH hammer drilling and blast hole drilling in open-pit mines and quarries.
Solution: The LGCY-25/23-27/18K provides consistent 23 bar pressure and 25 m³/min volume to power DTH hammers efficiently, increasing drilling speed and reducing fuel cost per meter.
📍 Water Well Drilling
Reliable air supply for deep water well drilling rigs in remote areas.
Solution: With its high pressure and large air volume, this compressor supports deep borehole drilling and ensures stable operation even in harsh environments, minimizing downtime.
📍 Construction and Piling
Air for foundation piling, sandblasting, and pneumatic tools on construction sites.
Solution: The portable design and rugged chassis allow easy movement around job sites, while the high capacity supports multiple pneumatic tools simultaneously.
📍 Pipeline Testing and Emergency Air
High-volume air for pipeline pressure testing and emergency air supply in industrial plants.
Solution: The LGCY-25/23-27/18K delivers reliable, oil-free air (with optional filters) for testing and can be quickly deployed as a backup air source during plant shutdowns.
LGCY Series Models
Compare specifications across the series to find the right model.
| ☑ | Model | Model | Free Air Delivery | Working Pressure | Engine | Air Outlet Port | Inquire |
|---|---|---|---|---|---|---|---|
| LGCY-25/23-27/18KThis model | LGCY-25/23-27/18K | 25 m³/min (883 CFM) | 23 bar (334 psi) | Cummins / Yuchai diesel engine, 18K series | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-23/23-25/18K | LGCY-23/23-25/18K | 23 m³/min (812 CFM) | 23 bar (334 psi) | Cummins / Yuchai diesel engine | G1.5 × 1, G3/4 × 1 | Get a Quote | |
| LGCY-26/25 | LGCY-26/25 | 26 m³/min (918 CFM) | 25 bar (362 psi) | Cummins diesel engine | G2×1, G1×1 | Get a Quote | |
| LGCY-26/25K | LGCY-26/25K | 26 m³/min (918 CFM) | 25 bar (362 psi) | Cummins / Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-27/25-29/18 | LGCY-27/25-29/18 | 27 m³/min at 25 bar, 29 m³/min at 18 bar | 25 bar / 18 bar | Cummins or Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-21/21-23/18 | LGCY-21/21-23/18 | 21 m³/min (740 CFM) | 21 bar (305 psi) | Cummins / Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-19/21-21/18K | LGCY-19/21-21/18K | 19 m³/min | 21 bar / 18 bar | Cummins / Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-23/23-25/18 | LGCY-23/23-25/18 | 23 m³/min | 18 bar | Cummins / Yuchai | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-33/25 | LGCY-33/25 | 33 m³/min (1,165 CFM) | 25 bar (362 psi) | Cummins or Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-33/25K | LGCY-33/25K | 33 m³/min (1,165 CFM) | 25 bar (362 psi) | Cummins or Yuchai diesel engine | G2×1, G3/4×1 | Get a Quote | |
| LGCY-19/21-21/18 | LGCY-19/21-21/18 | 21 m³/min (740 CFM) at 18 bar / 19 m³/min (670 CFM) at 21 bar | 18 bar (261 psi) / 21 bar (305 psi) | Cummins or Yuchai diesel engine, 6-cylinder, turbocharged | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-19/21-21/18X | LGCY-19/21-21/18X | 21 m³/min (740 CFM) | 18 bar (261 psi) | Cummins / Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-17/18-18/15T | LGCY-17/18-18/15T | 17 m³/min (600 CFM) | 18 bar (261 psi) | Cummins or Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-17/18-18/15TK | LGCY-17/18-18/15TK | 17 m³/min (600 CFM) | 18 bar (261 psi) | Cummins / Yuchai diesel engine | G1.5 × 1, G3/4 × 1 | Get a Quote | |
| LGCY-39/25 | LGCY-39/25 | 39 m³/min (1,377 CFM) | 25 bar (362 psi) | Cummins or Yuchai heavy-duty diesel | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-39/25A | LGCY-39/25A | 39 m³/min | 25 bar | Cummins / Yuchai diesel engine | G2×1, G1×1 | Get a Quote | |
| LGCY-15/18-17/12T | LGCY-15/18-17/12T | — | — | — | — | Get a Quote | |
| LGCY-21/13TK | LGCY-21/13TK | 21 m³/min (740 CFM) | 13 bar (190 psi) | Cummins or Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-25/10TK | LGCY-25/10TK | 25 m³/min (883 CFM) | 10 bar (145 psi) | Cummins or Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-45/25-37/35V | LGCY-45/25-37/35V | 45 m³/min (1,590 CFM) | 25 bar (362 psi) | Cummins or Yuchai diesel engine | G2×1, G1×1 | Get a Quote | |
| LGCY-33/35 | LGCY-33/35 | 33 m³/min (1,165 CFM) | 35 bar (507 psi) | Cummins or Yuchai diesel engine | G2×1, G1×1 | Get a Quote | |
| LGCY-33/35A | LGCY-33/35A | 33 m³/min (1,165 CFM) | 35 bar (508 psi) | Cummins or Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LGCY-30/8TK | LGCY-30/8TK | 30 m³/min (1060 CFM) | 8 bar (116 psi) | Cummins / Yuchai diesel engine | G1.5×1, G3/4×1 | Get a Quote | |
| LCGC-29/23 (crawler base) | LCGC-29/23 (crawler base) | 29 | 2.3 | — | G2×1, G³/₄×1 | Get a Quote |
Compare 2–3 models? Tick the boxes and send them together — we will quote each one for you.
Tip: select multiple models and click “Inquire All” — the selected models are added to the quote form automatically, so you get a faster quotation.
Not sure which model fits your project? Send us your working pressure and air demand — our engineers will recommend the right one.
Main Components
- Diesel engine (Cummins/Yuchai)
- Twin-screw airend
- Air filter and oil filter
- Oil separator tank
- Cooling system (radiator and oil cooler)
- Microprocessor control panel
- Four-wheel chassis with tow bar
- Weather-resistant enclosure
Working Principle
The Kaishan LGCY-25/23-27/18K operates on the principle of positive displacement rotary screw compression. A diesel engine drives the male and female rotors of the twin-screw airend. As the rotors mesh, air is drawn into the space between them and the casing. The volume of this space decreases as the rotors turn, compressing the air. Oil is injected into the compression chamber to lubricate, seal, and cool the process. The compressed air and oil mixture then passes through a separator, where oil is removed and returned to the system. The clean, high-pressure air is delivered through the discharge valve. A microprocessor control panel continuously monitors discharge pressure, temperature, and engine parameters, automatically adjusting the engine speed and compressor load to match air demand. This ensures efficient operation, low fuel consumption, and protection against overheating or overloading. The system also includes safety features such as high-temperature shutdown and low-oil pressure alarms, ensuring reliable performance in demanding conditions.
Detailed Features
- ▸High capacity: 25 m³/min free air delivery at 23 bar
- ▸Fuel-efficient diesel engine with cold-start capability
- ▸Durable Kaishan twin-screw airend for long life
- ▸Intelligent control panel with automatic protection
- ▸Weather-resistant and sound-attenuated enclosure
- ▸Large fuel tank for extended runtime
- ▸Rugged four-wheel chassis for easy towing
- ▸Wide ambient temperature range (-20°C to 50°C)
Packaging & Shipping
The Kaishan LGCY-25/23-27/18K is shipped in a heavy-duty seaworthy packing suitable for international transport. Each unit is secured on a steel frame and protected with a weather-resistant cover. The compressor can be loaded into a 40HQ container or shipped as break-bulk depending on order quantity. Standard delivery time is 30-45 days after order confirmation. Port of shipment: Shanghai or Ningbo, China. For urgent orders, expedited shipping can be arranged. All units are inspected and tested before shipment, and a full set of documentation including operation manual, parts catalog, and certificate of origin is provided.
After-Sales Service
Kaishan offers a comprehensive after-sales service for the LGCY-25/23-27/18K. The compressor is warranted for 12 months from the date of shipment or 2000 operating hours, whichever comes first. Our global service network provides 24/7 technical support and spare parts supply. We offer on-site installation and commissioning, operator training, and preventive maintenance programs. Genuine Kaishan spare parts are available from regional warehouses to minimize downtime. Our service engineers are available for troubleshooting and repairs, ensuring your equipment operates at peak performance throughout its lifecycle.
Frequently Asked Questions
What is the free air delivery and working pressure of the LGCY-25/23-27/18K?+
The LGCY-25/23-27/18K delivers a free air delivery of 25 m³/min (883 CFM) at a working pressure of 23 bar (334 psi). These figures suit high-pressure DTH drilling and large-volume air demand. The air outlet ports are G1.5×1 and G3/4×1.
What engine powers the LGCY-25/23-27/18K?+
The LGCY-25/23-27/18K is powered by a Cummins or Yuchai diesel engine in the 18K series. The diesel engine offers cold-start capability for remote sites. The unit weighs 4,500 kg and measures 4,200 × 1,800 × 2,500 mm.
What equipment can run on the air supply of this compressor?+
With 25 m³/min at 23 bar, the LGCY-25/23-27/18K supplies air for DTH hammers, button bits and pneumatic tools. The G1.5×1 and G3/4×1 outlet ports connect to standard drilling air lines. It is built for continuous operation in remote locations.
Which applications is the LGCY-25/23-27/18K suitable for?+
The LGCY-25/23-27/18K is used in mining and quarrying, water well drilling, construction and piling, and pipeline testing and emergency air. Its four-wheel chassis allows towing over rough terrain. The enclosure is weather-resistant and sound-attenuated for outdoor use.
What ambient temperature range does the LGCY-25/23-27/18K operate in?+
The LGCY-25/23-27/18K operates across an ambient temperature range of -20°C to 50°C. A high-capacity oil cooler and heavy-duty air filtration support performance in these conditions. The intelligent control panel provides automatic protection and fault diagnosis.
How is the LGCY-25/23-27/18K packaged and shipped?+
The LGCY-25/23-27/18K ships in heavy-duty seaworthy packing, secured on a steel frame with a weather-resistant cover. It can be loaded into a 40HQ container or shipped as break-bulk depending on order quantity. Standard delivery time is 30-45 days after order confirmation, from Shanghai or Ningbo.
What warranty covers the LGCY-25/23-27/18K?+
The LGCY-25/23-27/18K is warranted for 12 months from the date of shipment or 2000 operating hours, whichever comes first. The global service network provides 24/7 technical support and spare parts supply. On-site installation and commissioning, operator training and preventive maintenance programs are offered.
Related Insights
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Where This Machine Is Used
Is This Rig Right for My Project?
Answer seven questions about your hole, depth and rock — get a matched rig, compressor, hammer, bit and rod.
Compatible Drilling Rigs
Rigs this air supply can drive, matched on air demand and working pressure.
Best air-supply match shown first — the rest are still compatible.
Top matches
KQLG-115
- Hole range
- 90–152 mm
- Drilling depth
- 25 m
- Air demand
- 12–25 m³/min
KG520
- Hole range
- 105–152 mm
- Drilling depth
- 25 m
- Air demand
- 15–22 m³/min
KG430
- Hole range
- 90–152 mm
- Drilling depth
- 25 m
- Air demand
- 13–20 m³/min
Show 3 more compatible rigs(Other compatible rigs)
KG420B
- Hole range
- 90–130 mm
- Drilling depth
- 25 m
- Air demand
- 10–17 m³/min
Marked “lower range only” means the rig's upper air demand exceeds this unit's 25 m³/min, so it works with smaller hole sizes or a second compressor.
Need Technical Support?
Request information and get a quote from our engineers.
Recommended System
Rig + air compressor + drilling tools matched to your project. Get pre-matching advice from our engineers.
Recommended Equipment Configuration
Matched from real machine parameters — rig, compressor, hammer, bit and rod working as one system.
KG550
- Hole range
- 115–254 mm
Why matched
Covers the lower range of the required 15 bar / 35 m³/min air demand — this unit is rated 23 bar / 25 m³/min, so pair it with smaller hole sizes or add a second compressor.
K8
- Hole range
- 195–254
- Air flow
- 12–31 m³/min
- Working pressure
- 10+ bar
- Bit shank
- K8** / COP84/DHD380
Why matched
Hole range 195–254 mm covers your requirement 115–254 mm.
K6
- Hole range
- 152–300
- Pressure class
- 高风压 (High pressure)
Why matched
Hole range 152–300 mm covers your requirement 115–254 mm.
76mm Drill Rods
- Rod spec
- Φ76 / Φ89 / Φ102 mm
Why matched
Matches the rig's official rod specification Φ76 / Φ89 / Φ102 mm.
System requirement: 23 bar / 25 m³/min · 115–254 mm
