App-Controlled Cat® D11 Bulldozer 42131 | Technic™ | Buy online at the Official LEGO® Shop CA
Lego CAT D11 (42131). Control+ app testing step 4. Drive is running in other direction than app indicates. This piece is directly connected to the electric motor, so it seems that I
App-Controlled Cat® D11 Bulldozer 42131 | Technic™ | Buy online at the Official LEGO® Shop CA
LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces), Building Sets - Amazon Canada
Building the Largest LEGO Technic Bulldozer! - Caterpillar D11T - YouTube