Are driving over mountains, especially a long period of time, hard on a truck? And in what way
Driving over mountains hard on truck?
Discussion in 'Questions From New Drivers' started by Jdm5jdm5, Jan 24, 2022.
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Ascending a big mountain under a heavy load will put the engine to strain, but not to worry, diesel engines can handle it. Descending the mountain will be easier on the engine, but your brakes will be strained if you use them. ( It's possible to descend in the proper gear with a jake brake and never touch the brakes) Long periods of idling will put wear and tear on the engine. Service that beast regularly and drive properly for a long engine life.
Shawn2130, LoneRanger, MACK E-6 and 7 others Thank this. -
If you have a nice truck that is spec'd for it and not overworked without proper maintenance it is not a big deal. A used up truck that is about to go belly up is not something I would want to use.
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As a company driver doing all the mountains in the NW10 states, foot to the floor climbing. As a O/O when climbing I've found that pedal to floor doesn't do any good, and only causes more stress on the engine/turbo. Now I drive the boost guage. 80k, 6% grade 8th gear, 25 miles an hour, 1500 rpm and 30 psi boost she'll chug on up the hill. Kick the turbo to 45psi I can get more speed but at what cost and what, save a minute or two? The mountains are certainly harder than the flat lands but I can certainly do things to help minimize the stress caused.
Sirscrapntruckalot, LoneRanger, jason6541 and 1 other person Thank this. -
It will be fine if you take care of the truck.
Keep it in the sweet spot of the power band. You will not be the fastest uphill, but your truck will not be on the side puking its guts out.Shawn2130, MACK E-6, noworrez and 1 other person Thank this. -
Mountains ONLY hard on Truck when.....in 2017....
Trucker ventures into Utah national park, gets stuck twiceLast edited: Jan 25, 2022
God prefers Diesels and LameMule Thank this. -
A big power engine (550HP or stronger) matched to the proper gear will have the tendency to walk up most hills to the point to where you won’t notice most hills unless it’s an exceptionally long grade. The problem won’t be the engine, but the transmission and the rears. There’s a reason why owner op spec’d trucks will have a transmission temp gauge and 2 separate rear axle gauges…to help you to realize things are getting too hot BEFORE you cook them.Val_Caldera, Shawn2130, God prefers Diesels and 3 others Thank this. -
Ask yourself this would you want to be flogged up a mountain or someone to kick back and take it easy on you?.
Same with idling it is extremely hard on an engine always has been.God prefers Diesels Thanks this. -
Bad drivers kill trucks, not mountains.
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