The best Sprocket Tank Design powertrain calculator! Removes all the guesswork from calculating your transmission and engine setups.

Gear Calculator

Enter your tank's stats and click Submit

Vehicle Era
Sprocket Diameter
RPM limit
Horsepower Output
Vehicle Weight
Climbing Angle (degrees)
Total Gear Count
Per-cylinder Displacement

Prioritize acceleration (bigger starting gears)

Use legacy formula (less optimized curve)

Your results will appear here.