Our past experience covers the following motors: Z4 series motors: Z4-315, Z4-355, Z4-400, Z4-450, Z4-500, Z4-560, Z4-630, Z4-71.etc. Z series motors: Z355, Z400, Z450, Z500, Z560, Z630, Z710, Z800, Z900, Z1000.etc ZZJ series motors GE/EMD motors: D17, D29, D37, D43, D47, D57, D77, D87, D100, GE731, GE747, GE841, GE752, GE761, GE763.etc.