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    For Heavy-Duty, Long-Drain Service in Railroad Diesel Engines

    Made from highly refined select base oils, LE's Ultra RDE Oil was designed to protect silver alloy bearings in modern high-efficiency diesel engines from wear and contamination. In addition to increasing the engine lifespan, Ultra RDE improves fuel efficiency and significantly reduces oil consumption.

    Lubrication Engineers operates under an ISO 9001 Certified Quality System.