The Atlas Copco V21 Sd T4F is a silenced, two-stage, oil-injected screw type air compressor, powered by a liquid- cooled, five-cylinder Scania diesel engine.
 
The unit hosts the new generation Screw element in its air end combined with a Scania made diesel engine model DC09, a cooling circuit, air/oil separation and control systems, mounted on support beams and supported by rubber buffers in a spillage-free frame.
An undercarriage with fixed towbar, brakes and pintle eye is available as option.
Special attention has been given to the overall product quality, user friendliness, ease of serviceability, and economical operation to ensure best in class cost of ownership.