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™ CAT® D11 Bulldozer
Review: 42131 Cat D11 Bulldozer | Brickset: LEGO set guide and database