accumulate Atticus Mart cat lego dozer going to decide Therefore collateral
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 MOC 42131 CAT D11 Bulldozer Upgrade by A_C | Rebrickable - Build with LEGO
LEGO MOC Caterpillar D11R Full RC by Mani91 | Rebrickable - Build with LEGO
First look at the LEGO Technic 42131 CAT D11 Bulldozer! - Jay's Brick Blog