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45hp vs. 90hp trencher?

Discussion in 'Other Compact Equipment' started by Garrik, Oct 17, 2020.

  1. Garrik

    Garrik Member

    Joined:
    Feb 12, 2020
    Messages:
    15
    Location:
    Santa Cruz, CA
    I have a bunch of general purpose trenching to do at my ranch, laying 2-3" water lines and direct burial power distribution lines underground mostly. I will probably dig 2 miles of 6" trench in the next year. Probably don't need anything bigger than 6-8". 4-5' deep is plenty deep. My soil is fairly sandy loam, but with a fair number of hunks of granite ranging in size from a fist to bigger. I have a Case 580N to deal with the larger rocks.

    It looks like a 45hp class trencher with a 5' boom, something like a Vermeer 4150A or 3550A or a Ditch Witch RT40 or RT45 can be had for around $6k near me (ads asking $7k are common).

    A 90hp class trencher like a Vermeer 8020or 8550A is more like a $17,500 problem.

    Not surprisingly, I am attracted to the smaller machine. Any thoughts to share before I go ahead?

    Thanks!
     
  2. Welder Dave

    Welder Dave Senior Member

    Joined:
    Oct 11, 2014
    Messages:
    6,771
    Location:
    Canada
    Doesn't sound like you need a 90 HP. Is there something around 60 HP with a 6' boom so you have a little extra capacity in case of hills, etc.
     
  3. Simon C

    Simon C Well-Known Member

    Joined:
    Jul 1, 2015
    Messages:
    216
    Occupation:
    Heavy Equipment Mechanic
    Location:
    Rocky Mountain House , AB., Canada
    How about a rental trencher on a high flow skid steer, maybe you could rent for a little and let someone else do the fixing. It just depends on the conditions. i did about 1 mile in a day but only 4 feet deep with high flow john Deere 326D Skidsteer. A Track machine would have been better. You need a machine with 0-100 percent creep to control how fast the auger goes into the dirt. Hope this helps. Was putting in video cable to a cabin.
    Simon C