Harvard's oil recycling system, installed on this Caterpillar 980G loader, cleans the used oil so it can be reused in the engine. Both engine and hydraulic filters, shown here on a mixer, keep ...
Why have your used engine oil hauled away when you can use it to heat your shop? Used engine oil is a terrific fuel, closely resembling No. 2 diesel fuel and furnace oil – except that it actually ...