Self-excitation, brushless, Diesel generator ModelKDF4000X/XEKDF4000X-3/XE-3 Rated frequency (Hz) ... Excitation transistorizedSelf-excitation, brushlessSelf-excitation, constant voltage (AVR) ATS typeWithout ATS, optional Structure typeOpen-frame Fuel consumption (g/KW.h ... Fuel type0 (summer), -10 (winter), -35 (chill cold) diesel oil LubeSAE10W30 (above CC grade)SAE10W30 (above CC grade) Engine ...