BA-64-125 differed from BA-64B with a narrower track (1278 mm front wheels, 1245mm rear wheels), changes included narrowed fenders; different placement of the trenching tool – [spade over right fender, saw with axe over the left]; absence of embrasures in control section (on some vehicles); rear springs were mounted under the axle beam (on BA-64B over it); tyre profiles were often of the GAZ-M1 type.