Wider steer tires on 386 Pete

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Combine Pilot, Jun 30, 2017.

  1. Combine Pilot

    Combine Pilot Bobtail Member

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    Mar 24, 2016
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    I have a 2007 386 Pete that has a grain box on it. We have trouble with the front end sinking in the fields and yard at seeding and harvest time and are looking to gain some floatation. The truck has a C15 in it and 11R22.5's which is quite a bit of weight up front on those tires I feel. We are considering going to a 315 tire or a 365. The 385's would be too wide and stick out past the fenders which is why we are looking at these 2 particular sizes. Is anyone else running these sizes of tires on this style of truck? We are not looking to increase weight on the front axle just floatation.
     
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  3. Roberts450

    Roberts450 Road Train Member

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    One of our company trucks run 315/65r22.5 on it and its a 2013 386. Most of our trucks run 295/75r22.5's but then again we are all highway trucks. I know you can get different offset rims for the wide tires as well as pete making fender flairs for these trucks too.
     
  4. bavarian

    bavarian Heavy Load Member

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    A 11" tire is 279 mm. You wouldn't gain much with a 295 or a 315. A 315 is only 1 3/8" wider than the 11".

    A 365 or 385 would do way better.
     
    noluck Thanks this.
  5. Combine Pilot

    Combine Pilot Bobtail Member

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    Mar 24, 2016
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    I will have to look into fender flares and see what they look like.

    That was my thought on the 315 is they aren't much wider so it's hardly worth it.
     
  6. Caterpillar Cowboy

    Caterpillar Cowboy Heavy Load Member

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    I run 385's on my truck now, but on my old 378 Pete I had I ran the 315's on the steers. I felt they were a nice in-between of giving the flotation of basketball tires yet also like pizza cutters not wandering all over on bad roads.
     
    Oxbow Thanks this.
  7. noluck

    noluck Road Train Member

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    If it's floatation is what you're after 385, or 425 with fender flares. 315's won't help much with sinking
     
  8. Diesel Dan 92

    Diesel Dan 92 Light Load Member

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    Nov 27, 2015
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    I run 385's on two of my tractors. Love em on fields and crappy roads.
     
  9. x1Heavy

    x1Heavy Road Train Member

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    My penny is on the flares. You can do well with them.

    My thought is 385's but you have to actually get onto bad ground to justify that big parade float rubber.
     
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