diesel fuel injection systems / appropriate tools / transmission control systems / electricity / large mobile equipment / air brake systems / precision measuring tools / shop equipment / oxy-fuel cutting equipment / material handling applications / engine rebuilding tools / alarm systems / experience troubleshooting hydraulic systems / hydraulic and hydrostatic systems / equipment start-up / hand tools / controlled systems / oil coolers / mining / hydraulic systems / suspension systems / shop electrical test equipment / automatic shut-down devices / manual and hydraulic steering systems / diagnostic test equipment / electric and electronic testing equipment / engine start-up / electrical systems / electro-hydraulic systems / output devices / heavy duty hydraulic brake systems / engine management / tracked type equipment / /