25 years of excellence: mtu Series 2000 and Series 4000 enginesFor 25 years, mtu Series 2000 and Series 4000 engines have been setting the pace in the off-highway segment. From the first turn of their crankshafts, they have been trendsetters – and remain so to this day. Run on sustainable fuels, they will soon be producing the 'net-zero' power that matters.