The front axle and the back axle of the Caterpillar 434E are – as I’ve already supposed – significantly different:
By the way, if you wonder how to rotate your viewport in Blender 2.8, it’s called “view roll”:
counterclockwise: Shift Numpad 4
clockwise: Shift Numpad 6
(see: Preferences => Keymap => 3D View => 3D View (Global) => View Roll)