. Official proceedings . eral reports. 185 The average condition in the lowest cost group is the best,while that in the highest cost group is the worst. The leadersin each group show an even more striking relationship. Thebest condition in the highest cost group is 90 times the bestin the lowest cost group. The chart showing freight train car conditions reflects asimilar condition. The costs and condition of cars have beentaken from federal reports furnished by the Bureau of Statis-tics of the I. C. C. The lowest cost group is also the bestcondition group. These charts of cost and condition ex
. Official proceedings . eral reports. 185 The average condition in the lowest cost group is the best,while that in the highest cost group is the worst. The leadersin each group show an even more striking relationship. Thebest condition in the highest cost group is 90 times the bestin the lowest cost group. The chart showing freight train car conditions reflects asimilar condition. The costs and condition of cars have beentaken from federal reports furnished by the Bureau of Statis-tics of the I. C. C. The lowest cost group is also the bestcondition group. These charts of cost and condition explain the truth of Harrimans policy that: A dollar saved by deferred main-tenance brings about a subsequent expenditure of two dollars. It is important that savings efifccted in mechanical main-tenance be real economies and not result in a poorer conditionthat ultimately causes an actual loss. In checking costs, it is important that the effect of age benot over-looked. Chart No. 4 shows the relationship existing be-. n 19 21 2i 2S Act mVearS 7 39 41 186 tween age and repair costs. It was developed by Mr. T. , formerly a member of this Club. It will be seen thatcosts increase approximately 4% per year. One railroad mayhave locomotives costing 10% more than another, but if theage of the power exceeds the other by more than 2^ years,its record is actually better. The transportation department has realized more than afull share of benefit from these conditions. Where a good hot-box record in li)22 was expressed in tens of thousands of miles,in 1!)32, it was expressed in hundreds of thousands of failures have decreased likewise. This has broughttrain delays, due to mechanical failure, to a minimum, result-ing in faster movements and an almost complete elimination ofovertime in through service. Fast freight train service has ap-proached the reliability of passenger service. The three primary factors supporting this improvement inequipment maintenance are:
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