The Kubota SQ3140 is a premium compact three phase four pole diesel generator with a capacity of 14kVA at 1500RPM, the Kubota SQ-3200B-AU-B is super quiet with a capacity of 20kVA at 1500RPM and the SQ-3300B-AU-B diesel generator comes with 30kVA at 1500RPM capacity. These diesel generators are fully sound attenuated for super quiet operation. There’s no need to worry about engine fuel leakages, as both the SQ-3200B and SQ-3300B are fully bunded.