Atlas Copco
QAS 20
Silenced diesel generator, 17,5 kVA prime power
Last reviewed 6 October 2026
Specifications
| Prime power PRP (kVA / kW) | 17,5 / 14 |
| Emergency standby power ESP (kVA / kW) | 18,7 / 15 |
| Fuel tank | 115 litres |
| Noise level (LpA at 7m, dB(A)) | 60 |
| Weight (dry / wet, kg) | 696 / 795 |
Figures taken from the manufacturer: source. Specifications change by model year and configuration - confirm with the supplier before relying on them.
Before you quote these figures
Figures are for the European 50Hz, 400V version.
Who uses it
A small 50Hz site generator for powering tools, welfare cabins and small sites, in the Atlas Copco QAS range that the maker designs for rental use. Its Kubota engine and 60 dB(A) sound pressure level at 7m suit work in built-up areas.
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