2001 Other Mercedes Benz Models engine revs

Tiny
PIERREPATRUN
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  • 2001 MERCEDES BENZ
Engine Performance problem
2001 Other Mercedes Benz Models 6 cyl Manual 423000 miles

Hi, may be you could help me out.
make mercedes model actros 4143 manufacture 2001
problem, from 1 gear to 3 low gear the engine at full pedal revs up to 2300 rpm and from gear 3 hi the engine at full pressed pedal revs only up to 2100 rpm
2 problem this truck has a mounted crane and when I operates the levers of the crane the engine revs still remain at idle which is 600 rpm. Engine revs isn't accelerating.
please give me a reply may be they could fix my truck.
Friday, August 6th, 2010 AT 1:39 PM

4 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Thank you for the donation,

Is this crane driven hydraulically by an engine pump or is it electrical?

Mark (mhpautos)
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Saturday, August 7th, 2010 AT 7:20 AM
Tiny
PIERREPATRUN
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It is driven by a hudraulic pump
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Saturday, August 7th, 2010 AT 12:20 PM
Tiny
MHPAUTOS
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From my experience with similar units, you either set a hand throttle or there is an engine governor that control revs to ensure that the pump is fully powered, what do you have?

Mark (mhpautos)
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Saturday, August 7th, 2010 AT 6:28 PM
Tiny
PIERREPATRUN
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This truck is a mercedes actros 2001 model and with the fuel pump there isn't any throtles like older trucks neither for truck it's self.
What about the engine revs that from 1 low gear till 3 low gear the engine while driving the truck revs up to 2300 rpm and from 3 hi till 8 hi the engine revs only up to 2100 rpm?
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Sunday, August 8th, 2010 AT 11:29 AM

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