![LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com](https://i5.walmartimages.com/asr/73cc8467-e444-40bd-b38b-5e2737f6204e.9b72eccbd01c277b6d6094f3bab379cf.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com
![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 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](https://preview.redd.it/lego-cat-d11-42131-control-app-testing-step-4-drive-is-v0-4phliy9uujd91.jpg?width=3072&format=pjpg&auto=webp&s=e63c3c0f65c82ef8a9b15d49f42ded5a0449b954)
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
![LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com](https://i5.walmartimages.com/asr/414608f2-e606-4680-a0f2-bcfd97b3f8e1.d4e1f2e8ef84de3fa85c6f09a2575b30.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com
![LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com](https://i5.walmartimages.com/asr/80e891ca-8b88-465d-9785-c454ae4a63f1.23ba4abb779a9fb40e546b2c217dfdef.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)