SCANIA 124 / 470 max RPM

Discussion in 'Trucks [ Eighteen Wheelers ]' started by ah fai, Sep 15, 2013.

  1. ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    Hello

    What is the correct SCANIA 124/ 470 engine max Engine RPM, i bought a used truck and the max RPM only 2000 without any fault codes...

    and the truck seem like under power..
     
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  3. 98989

    98989 Road Train Member

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    max power is at 1900rpm , redline is at 2400rpm max torque 1050-1350
     
  4. ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    Thanks for your replied, but the engine just at max 2000rpm only while fully press the fuel accelerator, at truck stationary or running. izzit ECU faulty ?
     
  5. 98989

    98989 Road Train Member

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    trucks often have limitation for rpm to prevent unintelligent people go in to the unnecessary rpms , some have only in neutral some have both in driving and in neutral
     
  6. ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    IC, can we change the RPM to 2400 like other scania using VCI-1 ??
     
  7. 98989

    98989 Road Train Member

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    again

    why you would do that? you cant get aynthing except problems

    i would even avoid higher rpm than 2000 at engine brake
     
  8. ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    Okay, i know you means, thanks a lot.
     
  9. 98989

    98989 Road Train Member

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    i would say going in to high rpm have sense only in few situation

    we deal with construction and we do excavation for buildings they make underground garages ,and ramps to get out are steep 30%, ramps are soft truck can sink to axles

    we usually start in 2nd Low gear ( of 16) because 1st is too powerful it spin wheels too easy , and we rev them as much as it can go , on some trucks 2200 2300 , i have mercedes it can go 2500rpm , we go that high in case you lose traction you still have time to release throttle and give it again in case you are going in lower rpm you would not have time to give throttle again

    also this high rpm engine dont have torque so less problems with traction but we did it only for short like 20seconds
     
  10. ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    you are right, i mean the truck is from UK, I believe is prime mover but now we put it for tipper and the driver told me need more engine speed like other tipper truck for construction mud condition.
    some more we will change the original 6X2 to bogie set become more slow that why we need to put it at 2400RPM ..
     
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