Head to head
Atlas Copco QAS 45 vs Stephill SSD10000S
The Atlas Copco QAS 45 is a silenced diesel generator, 43,5 kva prime power. The Stephill SSD10000S is a 10 kva super silent diesel generator with kubota engine.
Last reviewed 6 October 2026
Specifications side by side
| Atlas Copco QAS 45 | Stephill SSD10000S | |
|---|---|---|
| Fuel tank | 92 / 257 (l) | 37.0 Litres |
| Noise level | 62 (LpA at 7m, dB(A)) | 68dBA @ 7 metres |
| Weight | 985 / 1065 (dry / wet, kg) | 301 KG |
| Prime power PRP | 43,5 / 35 (kVA / kW) | - |
| Emergency standby power ESP | 47,6 / 38 (kVA / kW) | - |
| Output | - | 10.0kVA / 8.0kW |
| Engine | - | Kubota D722 (EU Stage V) |
Sources: Atlas Copco QAS 45, Stephill SSD10000S. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the QAS 45 if...
A mid-size 50Hz site generator for temporary power on larger sites and events, from the Atlas Copco QAS range that the maker designs for rental use. The brochure lists two fuel tank capacities for longer runs between refuels.
Full QAS 45 specifications →Buy or hire the SSD10000S if...
Quiet site generator for hire fleets, construction and welfare cabins. Acoustic canopy and long-run tank suit unattended site use.
Full SSD10000S specifications →Common questions
What is the difference between the Atlas Copco QAS 45 and the Stephill SSD10000S?
The Atlas Copco QAS 45 is a silenced diesel generator, 43,5 kVA prime power; the Stephill SSD10000S is a 10 kVA super silent diesel generator with Kubota engine.
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