The Union Pacific 844 is now available in a full kit using parts from GoBricks, a high quality Lego compatible alternative. This model features just over 2100 parts and is fully motorized with 2 powerfunctions style L motors that power the drive wheels. This model also features custom wheels and rods designed by MackBricks, they are included in the kit. This model has also been prototyped for R104 curves, this will not run on standard Lego R40 curves.