Hi,
This is a road with a 15% up slope, the leveled parking area is 90 degrees from it.
Can the tractor with a 40' container do that backtrack parking maneuver safely?
What is your maximum lateral incline acceptable value?
What a general rule of thumb as far as the required maneuver radius distance for a 60' truck and container length to perform a 90 degree turn going backwards?
Thanks
MAXIMUM AXEPTABLE LATERAL INCLINE
Discussion in 'Ask An Owner Operator' started by albatros1952, Aug 14, 2026.
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It's not a an Axetable, it's a Ptable, but you're using it with an axe.
Golly gee, reading comprehension around here..
I understood the question completely. OP, 8% is the answer. Good luckjaffles, albatros1952 and gentleroger Thank this. -
Pictures or it didn't happen. That's roughly 3 times the slope of most mountain highway downgrades. I'd be surprised if the tractor will be geared low enough. Weights also weren't provided either. Lots of seat of the pants math to do.
W923, albatros1952 and Trucker61016 Thank this. -
15% in reverse You will need to lock differentials or you’ll just spin especially if road is dirty or gravel.. I deliver into mountain jobsites and without 4 way locked up I tend to spin the drives..
W923 Thanks this. -
never measured them, but I’ve had plenty of hills in landfills where it was fully locked, first gear and the dozer will pull you the rest of the way when you stopDeere hunter, W923, gentleroger and 2 others Thank this.
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In my opinion 15% is only going to work on dry concrete and since everything has 2xx gears now good luck to the clutch and driveline
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I don't know what an acceptable angle is but I can definitely say if you're at an angle. The trailer will go to the downhill side.
I had to fight that situation last week. Had to go on flatland. Back up and start over.Trucker61016 Thanks this. -
The height of the fifthwheel plate from the frame rails and the forward position make a difference too. If Plate is lo pro and too close to top of rail and tires it will cause more twist and bottom out issues. Need to have fifth wheel slid all the way back so it doesnt let trailer bottom out on the tail ends of the rails or nose down into the cat walk or quarter fenders for the best results
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