RIGTOR RDS-125S is the entry-level lightweight unit of the RDS 125-750CFM compressor series. Powered by genuine FAW 4DW91-56G2 naturally aspirated diesel engine, it produces 3.5m³/min (125CFM) airflow at 7 bar. Select either stationary silent cabinet or highway-legal single-axle tow trailer. Its sound-proof steel enclosure satisfies urban noise standards. The intelligent monitoring panel provides real-time readings and auto-protection for low oil, overheat and overload. Optimized screw rotor design delivers stable air output with low fuel consumption of 8.2L/h. CE & ISO9001 certified, it suits small-scale construction, pipeline maintenance and rental businesses. Individual datasheet and full-series catalog are available for distributors.
RIGTOR RDS-125S is the entry-level lightweight unit of the RDS 125-750CFM compressor series. Powered by genuine FAW 4DW91-56G2 naturally aspirated diesel engine, it produces 3.5m³/min (125CFM) airflow at 7 bar. Select either stationary silent cabinet or highway-legal single-axle tow trailer. Its sound-proof steel enclosure satisfies urban noise standards. The intelligent monitoring panel provides real-time readings and auto-protection for low oil, overheat and overload. Optimized screw rotor design delivers stable air output with low fuel consumption of 8.2L/h. CE & ISO9001 certified, it suits small-scale construction, pipeline maintenance and rental businesses. Individual datasheet and full-series catalog are available for distributors.
4-cylinder water-cooled naturally aspirated power unit, low maintenance cost, universal spare parts across Southeast Asia, Africa and Middle East.
Small footprint, easy loading & transport, ideal for small engineering rental fleets.
Trailer version with support legs & safety reflective strips, road legal for short-distance site transfer.
Auto alarm & emergency shutdown to avoid unexpected machine damage under abnormal operation.
Matched engine-airend calibration greatly cuts daily running cost for rental business.
Labyrinth silencer + dense sound insulation cotton, quiet operation in downtown residential construction zones.
| Parameter Item | RDS-125S Standard Parameter |
| Airend Type | Twin Rotary Screw |
| Free Air Delivery | 3.5 m³/min / 125 CFM |
| Rated Working Pressure | 7 bar |
| Built-in Air Receiver Tank | 0.027 m³ |
| Air Outlet Ports | 2 × 3/4" |
| Matched Engine Model | FAW 4DW91-56G2 |
| Engine Type | Water-Cooled 4-Stroke Naturally Aspirated |
| Rated Engine Power | 41kW @ 2650rpm |
| Cylinder Count | 4 Inline Cylinders |
| Bore × Stroke | 90mm × 100mm |
| Displacement | 2.54 L |
| Hourly Fuel Consumption | 8.2 L/h |
| Engine Lubrication Oil Volume | 7.4 L |
| Built-in Fuel Tank Capacity | 60 L |
| Net Machine Weight | 720 kg |
| Packing Dimension L×W×H | 3100 × 1640 × 1690 mm |
| Optional Upgrade | Single-Axle Highway Mobile Trailer |
| Certifications | CE, ISO9001 |
| Datasheet Download | 📄 Download RDS-125S PDF |
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