The NG160, NG225 and NG295 generators are powered by natural gas and have an automatic dual-fuel switch
Two propane-powered mobile generators, the 50-kVA 50REZGT and 70-kVA 70REZGT, use naturally aspirated engines.
Doosan has taken its P185 and C185 air compressors to Tier 4-Final, along with its G240WCU generator.
The Tier 4-Interim G70WCU, G85WCU, and G125WCU feature a cooling system with a variable speed cooling fan and an enclosure that includes deep air intake pockets that protect the generator from external elements and virtually eliminate water ingression, the company says.
CPG 150 generator is equipped with a six-cylinder Tier 4-Interim John Deere engine and a Leroy Somer alternator. Armed with a 219-gallon in-frame fuel tank, the CPG 150 provides 33.5-hour run time at 75 percent load.