American Truck Simulator

American Truck Simulator

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Trucks have no power
I am running down the interstate and going up a long slight incline it slows down from 70 to about 20 mph.
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Showing 1-15 of 20 comments
Simrealism (Banned) Feb 27, 2022 @ 6:59am 
quick answer: get a bigger engine, more wheels, increased number of shorter gears and a low rear ratio
Last edited by Simrealism; Feb 27, 2022 @ 7:01am
If you're running an automatic transmission, under options, then controls you'll see a setting for adaptive transmission. You can set that to High power, normal or fuel effeciency. It sets when the ♥♥♥♥♥♥ upshifts for the next gear. That might help you alittle.

Another good tip, is to use a key to swap between sequential shifting and automatic. That way you can downshift as needed, since the transmission isn't that great at it.
Last edited by HighPlains Drifter; Feb 27, 2022 @ 10:50am
Fearagen Feb 27, 2022 @ 10:22am 
If you're doing quick jobs the trucks they give you are hit or miss. Sometimes they have REALLY great engines and sometimes the engines are so bad that an incline is a chore at times. If this is a purchased truck, you should've chosen at least a 500 HP engine and a decent transmission.
Last edited by Fearagen; Feb 27, 2022 @ 10:23am
Sandhill Feb 27, 2022 @ 10:53am 
Originally posted by sr-71_blackbird:
I am running down the interstate and going up a long slight incline it slows down from 70 to about 20 mph.
Where were you driving? What looks like a "slight incline" might actually be quite steep, on I70 between Denver and the tunnels or Vail Pass are a good examples...simulating slopes is not a strong point of the game
WildDogsGaming Feb 27, 2022 @ 1:34pm 
Originally posted by Sandhill:
Originally posted by sr-71_blackbird:
I am running down the interstate and going up a long slight incline it slows down from 70 to about 20 mph.
Where were you driving? What looks like a "slight incline" might actually be quite steep, on I70 between Denver and the tunnels or Vail Pass are a good examples...simulating slopes is not a strong point of the game

LOL, yep. What in real life is a 3% grade in the game is more like 10-12%, because they still want to go up in elevation, in a much shorter distance.
SecretEnemy Feb 27, 2022 @ 2:15pm 
Congratulations, you probably took a quick job truck with a 370hp engine. The game loves to set up the high-paying hazmat double trailers with bargain bin fleet day cabs on purpose to keep the quick job page... "interesting." :KSmiley:
_KC76_ Mar 1, 2022 @ 1:18am 
You're all giving the DEVs too much credit. Under-power'd trucks is just another short-coming of this game, that is due to the Devs using the wrong specs, or not putting enough effort in to their jobs. Sure, all the engine specs match the "numbers" from the manufacturers documentation in-real-life, but the manufacturers spec sheets are also "conservative" and/or "de-rated" specs. If you use the 5252 formula, every truck in ATS is about 30% lower Power than in real calculated values.
Example: Game says 600HP Cummins has 2050 foot-pounds torque at 1200 RPM...
Formula: 2050 x 1200 = 2,460,000. now divide by 5252 and get the ACTUAL horsepower at 1200 RPM = 468.39 Horsepower, NOT 600 .. Or go the other way, and a 600 HP engine should have 2,626 foot-pounds of torque at 1200 RPM.
Last edited by _KC76_; Mar 1, 2022 @ 1:21am
mojo_musica Mar 1, 2022 @ 5:13am 
Originally posted by KingConrail:
Sure, all the engine specs match the "numbers" from the manufacturers documentation in-real-life, (snip)

What else would you expect SCS to do, when the trucks are all licensed and approved by the actual manufacturers? :steamfacepalm:Why would SCS invent spurious HP figures to keep you happy?
Just because you claim the specs are "conservative" and/or "de-rated", how can SCS ascertain what the difference is?
What if a manufacturers claims a higher HP rating than IRL?
All nonsense, every truck CAN haul all the loads in a vanilla game, it might not be as fast as you want, but they will get there. Some players deliberately choose lower powered engines for their trucks to make hauls more challenging, and if that is not to your taste, you can buy a new engine and gearbox.
Last edited by mojo_musica; Mar 1, 2022 @ 5:14am
Simrealism (Banned) Mar 1, 2022 @ 7:29am 
Originally posted by mojo_musica:
Originally posted by KingConrail:
Sure, all the engine specs match the "numbers" from the manufacturers documentation in-real-life, (snip)

What else would you expect SCS to do, when the trucks are all licensed and approved by the actual manufacturers? :steamfacepalm:Why would SCS invent spurious HP figures to keep you happy?
Just because you claim the specs are "conservative" and/or "de-rated", how can SCS ascertain what the difference is?
What if a manufacturers claims a higher HP rating than IRL?
All nonsense, every truck CAN haul all the loads in a vanilla game, it might not be as fast as you want, but they will get there. Some players deliberately choose lower powered engines for their trucks to make hauls more challenging, and if that is not to your taste, you can buy a new engine and gearbox.
Thank you for saying the vanilla game. they normally omit that detail around here.
_KC76_ Mar 1, 2022 @ 8:32am 
Originally posted by mojo_musica:
Originally posted by KingConrail:
Sure, all the engine specs match the "numbers" from the manufacturers documentation in-real-life, (snip)

What else would you expect SCS to do, when the trucks are all licensed and approved by the actual manufacturers? :steamfacepalm:Why would SCS invent spurious HP figures to keep you happy?
Just because you claim the specs are "conservative" and/or "de-rated", how can SCS ascertain what the difference is?
What if a manufacturers claims a higher HP rating than IRL?
All nonsense, every truck CAN haul all the loads in a vanilla game, it might not be as fast as you want, but they will get there. Some players deliberately choose lower powered engines for their trucks to make hauls more challenging, and if that is not to your taste, you can buy a new engine and gearbox.

I think you misunderstand some words I used, and also how ATS is "scaled" in a very NON-uniform way ...

SCS "scaled" the world much smaller, to fit more stuff on a smaller "map", but did not "scale" the speed limits or Truck Power, so it "feels" like it takes 20 miles to get up to highway speed, and/or feels like you are going 200 MPH on roads with sharp curves, while doing the posted speed limits ... These are issues that contribute to a very UN-simulation.

I understand your point about "licensing" and SCS needing to follow the real truck manufacture specs, but you fail to see the Devs failure to "scale" those figures in the Game-Engine/Game-Code, so that they match the "scale" of the world-space. What you also fail to understand, is how manufactures "rate" or "advertise" the Power-Ratings of their engines/trucks ... and also, how they "de-rate" aka "De-tune" the Engines power to meet EPA smog/Emissions requirements. Yes, the Engine can make 600 HP, and yes, it is rated at 2050 lb-ft of torque at a given RPM, but that is due to "de-tuning" the engine so that it ONLY makes 2050 lb-ft of torque ...Which could be made by a 468 HP engine ... Horsepower sells Engines, Torque pulls loads, the manufacture advertises what buyers want to see/hear, not reality... None of that matters though, because of the afore mentioned "scaling" of the Game .. It is inconsistent, and lazy.
mojo_musica Mar 1, 2022 @ 3:10pm 
"because of the afore mentioned "scaling" of the Game .. It is inconsistent, and lazy."
In your ill-informed opinion, and a point you failed to make before being called out about it.

Why has nobody EVER commented on this before?
Why has nobody EVER made the same observation in Euro Truck Simulator?

If it was even vaguely correct, there has been a considerable period of time since they were released for players to spot this, and the silence is deafening. I don't think you understand what "scaling" means, especially as both games use variable amounts of "scaling" for inside and outside cities. To make matters worse, there are 3 different levels in ETS2! The whole of the UK map is built to a different scale to the rest of Europe.
Your argument falls apart completely, as the power and acceleration are the same, no matter where you drive, in either game, no matter what scale SCS choose to implement.

You might want to reconsider the fact this is a just a PC game and not a perfect simulation of truck driving, far from it, but is made purely for entertainment, at an affordable price and complexity. The vast majority of players aren't in the least concerned about technicalities, they just want to drive and have fun.

Your points are still spurious, and entirely your opinion, which you are entitled to, but which are not relevant for SCS. Imaginary terms like "de-tune" and "de-rate" are not going to be a factor in the game at any point in the future, but buying a bigger engine is always going to be the answer. :steamfacepalm:
Sandhill Mar 1, 2022 @ 3:19pm 
Originally posted by KingConrail:
You're all giving the DEVs too much credit. Under-power'd trucks is just another short-coming of this game
The trucks are what they are, no need to worry about IRL. If a truck slows to 20 mph on a hill in game, that's the way it is, in game, and just something to carry on from, focusing on torque or horsepower vs IRL makes zero sense.
mojo_musica Mar 1, 2022 @ 3:25pm 
Originally posted by Sandhill:
Originally posted by KingConrail:
You're all giving the DEVs too much credit. Under-power'd trucks is just another short-coming of this game
The trucks are what they are, no need to worry about IRL. If a truck slows to 20 mph on a hill in game, that's the way it is, in game, and just something to carry on from, focusing on torque or horsepower vs IRL makes zero sense.

Thank you :steamthumbsup::steamthumbsup::steamthumbsup::steamhappy:
_KC76_ Mar 1, 2022 @ 4:10pm 
Fan-boy rage ..lol .. I addressed the OP's concerns, you felt the need to argue YOUR opinion, while adding evidence to my statements ... THREE different scalings for ETS2 you say? sounds pretty inconsistent to me. ...and it's literally in the name, American Truck Simulator... If that is not what this software is meant to be, then again, the Devs are lazy for not giving it a correct name. With people like YOU on these forum boards, it's no wonder no one has brought up the topic in the past (which, actually, scaling inconsistency has been discussed a lot).. You LITERALLY only commented to argue and try to act like you're better than me because you think SCS is the greatest ever .. YOU gave ZERO help to the OP, offered ZERO assistance or input, only mouthed off to TRY to make someone else "lesser than" yourself ..Nice try, my skin is thicker than that.
ThunderDownUnder Mar 1, 2022 @ 4:28pm 
Originally posted by KingConrail:
You're all giving the DEVs too much credit. Under-power'd trucks is just another short-coming of this game, that is due to the Devs using the wrong specs, or not putting enough effort in to their jobs. Sure, all the engine specs match the "numbers" from the manufacturers documentation in-real-life, but the manufacturers spec sheets are also "conservative" and/or "de-rated" specs. If you use the 5252 formula, every truck in ATS is about 30% lower Power than in real calculated values.
Example: Game says 600HP Cummins has 2050 foot-pounds torque at 1200 RPM...
Formula: 2050 x 1200 = 2,460,000. now divide by 5252 and get the ACTUAL horsepower at 1200 RPM = 468.39 Horsepower, NOT 600 .. Or go the other way, and a 600 HP engine should have 2,626 foot-pounds of torque at 1200 RPM.

That's not how it works, look at any graph of a dyno and you see the peak power comes at a higher RPM than peak torque. If you look in the engine definition files you'll find a matrix of torque to rpm and if you run the calculations from that you'll find peak power around 1500 rpm or so.
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Date Posted: Feb 27, 2022 @ 6:47am
Posts: 20