Cat D11-bulldozer (42131) control+ test your build step 3 rotation direction. App says clockwise, mine is counter-clockwise. Other side rotates clockwise. Should mine rotate clockwise as pictured in app, and is it
LEGO Technic Bulldozer Battle - 42131 CAT D11 vs 8275 vs 42100 B model Liebherr PR 776 - YouTube