Trailer Tyre Pressure





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  1. #1
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    Default Trailer Tyre Pressure

    I have a Echo 4 Trailer and I was wondering if anyone can suggest a General rule for Trailer tyre pressure. I have the same tyres on the trailer as my vehicle. 255/65/16. The Vehicle recommended pressure is 2.21 Bar to 3 bar depending on the load.
    The trailer weighs 450 KG unloaded but with a full load it must be close to 1000kg.
    I have been using 2.5 Bar and not had any issues so far. Comments please.

  2. #2
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    Ek weet 'n goeie aanduiding is om die trailer se banddruk dieselfde te ry as die voertuig wat hom sleep.

  3. #3
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    Default

    First set of tyres on our Echo 2 were replaced at an estimated 75 000km due to eccesive tyre wear in the insides - the middle & outsides were still in very good shape. I kept them at 1.8 bar and realised too late about the inside tyre wear.

    The current set I run at 2.4 bar to hopefully "spread" the tyre wear more even. It has done an estimated 15 000 km without any signs of inside wear.

    In sand I go down to 1 bar on the trailer (if you look at the behaviour of a trailer following the car in a thik 2 spoor sandtrack you will notice it slide quite a bit to the sides - therefore I do not go lower than 1 bar due to the risk of the tyre getting off the rim...??)
    Willem Grobler
    LC 105 GX

  4. #4
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    I tow a Mongoose off road trailer behind my Hilux, weight is the same as your Echo 4 and I also have 16" all round. Open road I run 210 front and 250 for both rear & trailer. Keeps the rig stable & the heat build up is very small, which is the first sign that the pressure is wrong
    Last edited by mplester; 2007/12/10 at 12:48 PM.

  5. #5
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    Default Trailer Tyre Pressure


    Thanks for the replies - I suppose there can be no general rule!
    The tyre pressure for loaded LR Discovery 2 is 2.4bar front and 3.2bar rear if I remember correctly. I have as a result run the trailer at 2.5. It has been very stable on road and on dirt road. I have not done any heavy sand or serious off-road yet.
    Why would you drop the tyre pressure on the trailer in sand?

  6. #6
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    Flotation. Better flotation = lower rolling resistance = smaller chance of bogging down.
    Gerrit Loubser
    Richards Bay

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