Cat 777D Mining Truck

[modelman]

I have decided not to build the Marion dragline for several reasons but I am going back to the Cat 777D mining truck. From what I have heard this is the perfect size truck to be loaded by the Marion shovel like I have built. I am spending some time to see if I can make some tires which will be the deciding factor on this build. If I can make an acceptable tire then I will go forward with the truck. I am also making a rough wood mock-up of the truck to see if all the components will fit inside. I think my scale (1/30) will cause some problems because the truck is small and the way these trucks are designed there is not much room for motors, batteries, ESC's, etc. but I have to stay with this scale to match my shovel. I have started the master part for the tire and I am waiting on some small end mills to cut the tread pattern. Here is what I have so far -