Getting a truck home with a bad differential
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by DMAX66, Oct 18, 2018.
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Heat = work. Watch your axle temps when pulling a hard grade. Bet the temps are pretty even. If only one axle did the work, only one axle would get hot.
Oxbow, Midnightrider909 and Feedman Thank this. -
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My guess is since most air ride suspensions don't equalize weight like walking beams do, more weight is on the forward drive axle because the 5th wheel is often slightly ahead of centre. That would make it easier for the rear axle to slide and scrub tires.
Last edited: Oct 19, 2018
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I contribute the wear on right rear tires to the road system . The crown of the road and how we are always on the right hand side. Left hand turns vs right hand turns ect ect ,......
Same applies to the steer tires. Why is it that majority the time the drivers steer will wear faster then passenger???
Same theory applies.
Nothing to do with drive torque or very very little but everything to do with scrubSAR, Oxbow and Rideandrepair Thank this. -
I've watched axle temps on hot day pulling in mountains.
And the front diff is hot on those days 220 degrees about. The rear will sit at no more than 150 degrees.
My trans being manual will get 230 degrees about. I'm guess the trans cooler is liquid, not air cooled. Stupidest engineering ever on this 579.Rideandrepair and tommymonza Thank this. -
I think what confuses a lot of people is that it looks like the driveline goes straight through the front housing (which it does) and that locking in the power divider engages the front drive axle pinion. In reality both pinion gears are driven and the power divider lock just locks out the differential action of the power divider gears.
Oxbow, Rideandrepair and wore out Thank this. -
Twice a week my truck gets stuck in the yard because I back the rear drives up on the pad that is there for trailer landing gear.
Backs up fine and dandy. Next morning go to leave and the front drives are spinning in the air from the soil settlingRideandrepair Thanks this.
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