Mikasa Diesel Vibrator Driven by Yanmar Diesel Engine L48N. Yanmar LN series diesel engines are world leaders in the small engine market. Yanmar was the first to develop the miniaturized direct injection system which is the key factor behind their low fuel consumption and easy starting ability. Maximum power from every drop of diesel, thanks to Yanmar’s super precise direct injection system. Auto return decompressor makes starting almost as simple as a gasoline engine Compact design with a standard mounting pattern for simple installation Powerful environmentally friendly engine.