Pensol industries ltd offers supreme quality monograde engine oil diamond 40 / diamond super gold 40. This is specially formulated for non-turbocharged diesel engines, which need high viscosity oils. This oil provides excellent service even in severe conditions. The oil protect the engines from against low temperature, rusting and corrosive wear and thereby help to extend the engine life. It also provide excellent against mechanical wear. This oil has wide application in light and heavy commercial vehicles. Apart from that, it can be also used in marine engines, super charged turbo diesel engines, high powered industrial engines and all types of tractors.