... variable load application, in accordance General Features:l Engine(DCEC Cummins 6LTAA8.9-G2)l Radiator 50OC max, fans are driven by ... alternator IP23, insulation class H/Hl Absorberl Dry type air filter, fuel filter, oil filterl Main line circuit breakerl Standard control panell ... Ripple flex exhaust pipe, exhaust siphon, flange, mufflerl User manual series diesel generating set