Cat c12

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Cruzindown80, Mar 12, 2024.

  1. Mar 12, 2024 #1
    Cruzindown80

    Cruzindown80 Bobtail Member

    12
    2
    May 7, 2022
    0
    Guys need some feedback how is this enginr in terms of reliability running it from nj to indiana and back how would it do hauling dry van 80k across interstate 80 in pa?

    I know it's a 12l but volvo ved12 is also 12.1 anyone know how it compares
     
    Cruzindown80, Mar 12, 2024
    Cruzindown80, Mar 12, 2024
    #1
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  3. Mar 12, 2024 #2
    Singh181

    Singh181 Light Load Member

    61
    49
    Jan 26, 2014
    San Jose, Ca
    0
    C12s are great engines, good power , decent on fuel and can last a long life. If it has a 13 speed mated to it then its better.
     
    Singh181, Mar 12, 2024
    Singh181, Mar 12, 2024
    #2
  4. Mar 12, 2024 #3
    Magoo1968

    Magoo1968 Road Train Member

    2,061
    5,492
    Mar 18, 2021
    St Malo mb
    0
    It’s a good little engine that can be tuned to pull very well mine was 465hp at the wheels . But unfortunately the engine brakes are mostly noise . Rocker arms are a weak point on them we did yearly valve adjustments to inspect them because often if they broke it bent a valve or worse yet dropped it requiring a rebuild .
     
    Magoo1968, Mar 12, 2024
    Magoo1968, Mar 12, 2024
    #3
  5. Oct 7, 2025 #4
    C12dolphin

    C12dolphin Bobtail Member

    9
    1
    Oct 3, 2025
    0
    Like mine so far
     
    C12dolphin, Oct 7, 2025
    C12dolphin, Oct 7, 2025
    #4
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