Swedish-engineered QAS series — 5-8 dB quieter than competitors, best fuel efficiency in the portable class
22–616 kW14 modelsdiesel
Why buyers choose Atlas Copco
5-8 dB quieter than comparable portable generators
Best fuel efficiency and runtime in the portable class
Compact footprint — excellent for urban construction sites
Proven paralleling — multiple units for scalable temporary power
All CARB compliant across the QAS lineup
Who Atlas Copco is for
Rental fleets already in the Atlas Copco compressor ecosystem, noise-restricted urban construction, and events. NOT for buyers who prioritize post-sale support.
What to consider before specifying Atlas Copco
*After-sale service is the #1 complaint — unreturned calls, $311+/hr travel charges, parts delays
*No US stationary standby presence — portable only
*'Compressor company' brand perception in the generator market
*QAS 45 has known coolant and overheating issues
Key specs at a glance
Power range
22–616 kW standby
Fuel types
diesel
Engine OEMs
John Deere, FPT, Isuzu, Scania, Volvo
Alternator OEMs
Leroy Somer
Phase options
1-phase, 3-phase
Models in library
14
When to Specify Atlas Copco
✓5-8 dB quieter than comparable portable generators — the quietest option for noise-restricted urban construction and event applications
✓Best fuel efficiency and runtime in the portable class — reduces refueling frequency on long-duration applications
✓Compact footprint excels on urban construction sites with limited staging area
✓Proven paralleling capability for scalable temporary power when load grows beyond a single unit
✓Best choice for noise-restricted sites, buyers already in the Atlas Copco compressor ecosystem, and CARB-compliant California applications
