First look at the LEGO Technic 42131 CAT D11 Bulldozer! - Jay's Brick Blog
REVIEW] 42131 - CAT D11T Bulldozer - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
LEGO Technic App-Controlled Cat D11 Bulldozer 42131; A True-to-Life Replica of an Iconic Construction Machine (3,854 Pieces) - Walmart.com
Meticulous Cat D11 Lego RC custom build nails details down to the C32 engine | Equipment World
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