Article by William Gillette (LogiLube, LLC A Canadian National Railway (CNR) heavy-haul freight train departs Toronto, Ontario in mid-January bound for Vancouver, British Columbia. Each of the three locomotives, modern Tier 4 GE ET44AC engines, are fueled with approximately 5,000 gallons of winterized diesel fuel prior to departure. While the fuel blend is suitable for expected conditions in Southern Ontario, the locomotives will travel more than 4,000 kilometers across mul

Article by William Gillette (LogiLube, LLC ​ One of the most destructive and under-appreciated causes of diesel engine failure is fuel dilution. Across North American locomotive fleets, open-pit mining equipment, underground mining machines, stationary power systems, marine engines, and heavy-haul transportation assets, fuel contamination entering the crankcase lubricant can rapidly escalate into catastrophic engine damage and costly unplanned downtime if not detected early.