SMC杆不回转椭圆形活塞气缸MU系列
直列发动机（line engine），它的所有气缸均肩并肩排成一个平面，它的缸体和曲轴结构简单，而且使用一个气缸盖，制造成本较低，稳定性高，低速扭矩特性好，燃料消耗少，尺寸紧凑，应用比较广泛。其缺点是功率较低。“直列”可用l代表，后面加上气缸数就是发动机代号，现代气车上主要有l3、l4、l5、l6型发动机。
SMC杆不回转椭圆形活塞气缸MU系列
MDUWB25-100D
MDUWB25-100DZ
MDUWB25-10DMZ
MDUWB25-10DZ
MDUWB25-125D
MDUWB25-150D
MDUWB25-150DM
MDUWB25-15D
MDUWB25-15DZ
MDUWB25-200DM
MDUWB25-20D
MDUWB25-20DM
MDUWB25-20DZ
MDUWB25-250D
MDUWB25-25D
MDUWB25-25DMZ
MDUWB25-30D
MDUWB25-30DM
MDUWB25-30DZ
MDUWB25-35DM
MDUWB25-35DZ
MDUWB25-40DMZ
MDUWB25-40DZ
MDUWB25-50D
MDUWB25-50DM
MDUWB25-5D
MDUWB25-5DZM9NV
MDUWB25-75D
MDUWB25-75DM
MDUWB25-75DMZ
MDUWB25-75DZ
MDUWB32-100D
MDUWB32-100DM
MDUWB32-10DMZ
MDUWB32-125DMZ
MDUWB32-150D
MDUWB32-150DM
MDUWB32-15DMZ
MDUWB32-20DM
MDUWB32-250D
MDUWB32-250DZ
MDUWB32-25D
MDUWB32-25DM
MDUWB32-25DZ
MDUWB32-300DM
MDUWB32-300DMZ
MDUWB32-30DM
MDUWB32-30DMZ
MDUWB32-35D
MDUWB32-40D
MDUWB32-50D
MDUWB32-50DM
MDUWB32-50DMZ
MDUWB32-50DZ
MDUWB32-5D
MDUWB32-75DM
MDUWB32-75DMZ
MDUWB40-10D
MDUWB40-10DMZ
MDUWB40-150D
MDUWB40-15D
MDUWB40-20D
MDUWB40-20DM
MDUWB40-20DZ
MDUWB40-300DM
MDUWB40-30D
MDUWB40-40D
MDUWB40-40DMZ
MDUWB40-50D
MDUWB40-50DM
MDUWB40-75DM
MDUWB40-75DMZ
MDUWB50-10DM
MDUWB50-10DZ
MDUWB50-15DM
MDUWB50-15DMZ
MDUWB50-20DM
MDUWB50-30D
MDUWB50-30DZ
MDUWB50-35D
MDUWB50-35DM
MDUWB50-40DMZ
MDUWB50-50D
MDUWB50-50DM
MDUWB50-75DM
MDUWB50-80DM
MDUWB63-100D
MDUWB63-20DM
MDUWB63-30D
MDUWB63-35D
MDUWB63-50DMZ
MDUWB63-50DZ
MDUWB6365DMX235
MDUWB63-75D
MDUWB63-75DM
MDUWB63-75DMZ
MDUWB63-75DZ
MEDDT7364
MEDDT7364003
MEDHT7364E
MEMCA0032FCT
MEMCA0033ECT
MF15-RG180AW
MF15-RG90
MF15-RT90
MF32-RG90
MF32-RT90
MF32-SA1600
MF-4-1/8
MFDDTA390
MFDDTB3A2
MFDHT5440E
MFDHTA390CA1
MFDKTA390CA1
MFECA0013EAA-F
MFECA0013EAM-F
MFECA0013EAM-R
