Gearbox; Hp 15; Input Rpm 750; Western; Model S51B; Ratio 4; Out Rpm 187.5; Style Parallel; Service Factor 1.4;
Hp 15; Input Rpm 750; Mill Number None; Model S51B; Out Rpm 187.5; Ratio 4; Serial Number 3041; Service Factor 1.4; Style Parallel; Casting 8151, Order # 100-54488, Cat Hp Rating 21*
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