There are three types of automatic transmissions in the Japanese imported midrange trucks. This includes Isuzu's NPR, NQR, NRR, FRR, and FTR as well as GM's W3500, W4500, W5500 and W6500 models, Chevrolet's W3, W4 and W5 trucks, Mitsubishi FUSO's FE, FG, FH, FK, and FM trucks, and UD's 1200, 1300, 1400, 1800, 2000, 2300, 2600 and 3300 trucks.