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Model # QT06030 QT07068 QT08046
Rated Power LP (kW) 60 70 80
Rated Power NG (kW) 60 70 80
Amps @ 240V, 1Ø 250 292 333
Amps @ 208V, 3Ø 208 243 278
Amps @ 480V, 3Ø 90 105 120
Voltage @ 60 Hz 120/240, 1Ø
120/208, 3Ø
277/480, 3Ø
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø
Phase Single and 3-Phase Single and 3-Phase Single and 3-Phase
Frequency 60 Hz 60 Hz 60 Hz
Engine/Alternator RPM 3600/3600 1800/1800 3600/3600
Engine 3.0 V-6 6.8L V-10 4.6L V-8
Fuel Consumption LP
(cu.ft./hr.)/(gal./hr.)
376.3 (10.34) 411 (11.3) 465 (12.78)
Fuel Consumption NG (cu.ft./hr.) 960 1020 1154
EPA/CARB Certified Yes Yes Yes
Fuel Natural Gas
LP Vapor
Natural Gas
LP Vapor
Natural Gas
LP Vapor
Engine Cooling Liquid Liquid Liquid
Controls R-100 H-100 H-100
UL 2200 (US and Canada) Yes Yes Yes
Sound Output dB(A) at 23 ft. with generator operating at full load 73 71 74
Sound Output dB(A) at 23 ft. with generator in WhisperTest™ low speed exercise mode 62 60 61
Main Line Circuit Breaker 300, 250, 100 Amp 300, 250, 125 Amp 350, 300, 150 Amp
Aluminum Enclosure Option Yes Yes Yes
Dimensions (L" x W" x H") 88.6 x 33.5 x 47.8* 96.5 x 36.8 x 47.9 115.2 x 36.8 x 54.8*
Unit Wt. (lbs.) (steel/aluminum) 1650/1513 2185/2040 2010/1836

* Does not include measurement of exhaust stack(s)