Those gear ratios probably meant that the slide rule jockeys were counting on the trucks they were powering to run heavy overloads most of the time. The owners of most of those big box trucks considered "GVW" to be a "suggestion" at best!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!