looks to me like a blunt copy of mining truck 2 in every aspect
Considering a certain game developer helped make mining delivery games appealing and popular, its recommended that some research be done to really make your version of it shine brightly. Physics game thrive on control since every other game element (cargo, vehicle balance, etc) is a constant variable state.
Please focus on making a enjoyable game, submissions like these cheapen the overall experience of communities like NG. You clearly have the potential.