Nice pictures Corleone11 : ) Thanks for the answer my question.
On this page
http://i40.tinypic.com/i22fqc.jpg, the tiger's torque wheel is front no mistake, I have the model. The torque wheels are connect on the driveshaft with the engine at back.
http://images.google.com/imgres?imgu...US319%26um%3D1 Here is the tank model