Why Railroads REFUSE To Retire 50 Year Old Locomotives
EMD SD40-2 locomotives built in the 1970s are STILL hauling freight for billion-dollar railroads. Why won't they retire these 50-year-old machines? Because the math says don't. A new Tier 4 locomotive costs $3M+. A quality SD40-2 rebuild? A fraction of that. The secret is the EMD 645 engine, one of the most indestructible diesel designs ever built, and a secondhand market that gives these old workhorses a second life on short line railroads across America.
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