Navistar cutting costs, reducing work force

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Total Base Number and three more lube indicators to track

Total Base Number (TBN) or Base Number (BN) is a common term referenced by diesel engine OEMs, used oil analysis labs, fleet mechanics and oil…



  1. […] Carrier Journal reported Sept. 6 that Navistar said it was increasing efforts to cut discretionary spending and further reduce its materia… as part of its overall cost reduction program. The company also announced it had launched a review […]