safest approach is always to check the vehicle’s owner’s manual.
But when “G” is being used in the historical or off-road transmission context, it often points to an unusually low-speed,
high-torque gear.
And that is where the story gets interesting.
What Is a Crawler Gear?
A crawler gear is essentially a very low gear designed to let a vehicle move extremely slowly while producing substantial torque at the wheels.
This is completely different from a normal first gear.
Imagine trying to move a heavy vehicle up a steep dirt slope.