johnn i have the exact "rare A833" 4 speed od.....running 456 gears in mine and only a lil 305 engine it turns 3000rpm at 65 mph......i know this is an old post but i just seen it ...lol
runs and drives every day .i just got this rig in april ....no idea what gear ratio`s are in the rear ends ....but it revs at 3 grand at about 110 kmh(75mph) off road it crawls along nicely in 4 low ...will crall upp over hills at idle ..and over stumps with ease (has a 4in lift with bf...