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Thread: Do USX trucks have APU units?
- 07.12.2012 #11Banned or Retired
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That's the reason I don't wanna come back to USX...They decide what is comfortable for you to idle.
Originally Posted by musicgal 
So why will your APU only run for 6 hours?
- 07.12.2012 #12Road Train Member
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Sometimes it will run longer...the shop boss said they knew it ran the batteries down quick, which is why they don't holler about the idle time.
- 07.12.2012 #13Medium Load Member
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Good info!
- 07.12.2012 #14Banned or Retired
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Yeah, because I thought an APU had an alternator to charge the electrical system as it ran Originally Posted by ATL-1 
- 07.12.2012 #15Road Train Member
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Me 2, I don't understand why the APU would run the batteries down either?? Aren't they supposed to be a self sustaining power unit to do what ever you need to in the truck without running the truck?? Originally Posted by WRIGHTRACING Yeah, because I thought an APU had an alternator to charge the electrical system as it ran
- 07.12.2012 #16Road Train Member
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My APU charges my batteries. I can leave all my electrical devices on all night and soon as tap the key it fires up. You have some issues if your unit isn't charging your batteries.
- 07.13.2012 #17Bobtail Member
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yep thats why i decided not to go with them looking at other options seems other wise they are a good company but comfort on the road is important as you all know thanks for the info
- 07.13.2012 #18Bobtail Member
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thats true when i was with prime never hade a problem with my apu there is something wrong with his
- 07.13.2012 #19Trucker Forum STAFF
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Battery powered APUs depend on a battery charge, and many don't work even as well as what musicgal related. Some companies tried them and aren't bothering to repair them.
The fuel powered ones run indefinitely as long as they run.
- 07.14.2012 #20Road Train Member
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Yep, sounds like one of the battery powered APU's
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