RAILWAY AGE, SEPTEMBER 2023 ISSUE: GP38-2 No. 5131 is, in many ways, a typical Class II or Class III diesel-electric locomotive. It’s a rebuilt unit acquired from a Class I, in this
In extremely cold weather, poor combustion sealing can cause diesel engine lube oil to get past piston rings in the power assemblies and pushed out the exhaust stack. Locomotive mechanical officers call the condition “souping.” It’s a messy environmental problem, with oil-coated carbodies that need to be cleaned, at high labor and disposal costs.
zMAX®, used in racecar and aircraft engines since 1946, is beginning to penetrate the railroad locomotive market—literally.