步兵战车的设计曾一直遵循着一种普遍的形式。然而,俄罗斯-3是一个创新的例子,它在总体布置及采用的武器方面均不同于其它的步兵战车。 通常设计的步兵战车上,发动机室位于车体的前部,装有机关炮的两人炮塔在车辆的中部,后部是一个步兵班舱室,它有一扇或两扇后舱门,步兵从这些舱门迅速地上、下车。这也符合于-3以前的-2步兵战车的设计形式。相反,-3的发动机室位于车体后 The design of infantry fighting vehicles has always followed a common form. However, Russia-3 is an innovative example that differs from other infantry fighting vehicles in terms of overall layout and the weapons used. Usually designed infantry chariot, the engine room is located in the front of the body, with two guns of turrets in the middle of the vehicle, the rear is an infantry cab class, it has one or two rear doors, infantry from These doors quickly get on and off. This also fits with the design of the -2 infantry combat vehicle before -3. In contrast, the -3 engine compartment is located behind the bodywork