Motosel SAE 50 CF-2 Diesel Engine Oil is designed to meet the needs of engines operating in severe service, in on- or off-highway applications, where single grade heavy-duty oils are specified. KLONDIKE SAE 50 CF-2 Diesel Engine Oil is recommended for use in naturally aspirated, turbocharged, or supercharged four-stroke diesel engines where SAE 50 engine oils meeting API CF-2 specifications are required.