Maybe this thread helps illustrate the point concerning tier 4 and tractor usage in the other thread. That device is cool, but there's no way I spend enough time in the seat to warrant it's purchase. Perhaps that hints at the difference between homeowner usage vs. Commercial or farm.

"Forget pounds and ounces, I'm figuring displacement!"

If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.