Tyres and Load rating etc.

[jeffcav]

Hi Ladies and Gents,
I have a couple of tyres that are badly cracked, whilst looking for prices i came acroos the term load rating, does anyone know what that should be for a Hobby700/750? I would ask what make/ model you prefer, but that is a can of worms for another time.
Secondly, do you always change in pairs, say LH3 and RH3 or staggered/as required or in no particular order?
And finally, do you bother with yearly habitation checks on an older(18yr) van?
I know all the problems and dont need somebody else reminding me ;-)
Cheers in advance

 

[chatteris]

for tyres find your axle weights and and see what rating you need here https://www.gov.uk/guidance/mot-ins...al-vehicles/appendix-b-tyre-load-index-tables

 

[denisejoe]

I would probably say 111/113 you could go higher to 116 I think your gross weight is 4.5 tons is that correct

 

[Tykatem]

Pete

 

[gus-lopez]

the load rating should be marked on the sidewall.

^{_{Subscribers  do not see these advertisements}}

 

[SandraL]

There will be a plate on the van from fiat, another from alko, and lastly from hobby.
The plate will have axle weights, max weight and train weight.
The newest plate is the important one, in your case hobby.
Look at the axle loadings, you need a tyre with a load rating equal to the highest axle rating.
Note axle load needs to be divided by 2 to get tyre load rating.

I have assumed its a fiat with an alko chassis.....

 

[denisejoe]

There will be a plate on the van from fiat, another from alko, and lastly from hobby.
The plate will have axle weights, max weight and train weight.
The newest plate is the important one, in your case hobby.
Look at the axle loadings, you need a tyre with a load rating equal to the highest axle rating.
Note axle load needs to be divided by 2 to get tyre load rating.

I have assumed its a fiat with an alko chassis.....

Would be a tag axel

 

[jeffcav]

I would probably say 111/113 you could go higher to 116 I think your gross weight is 4.5 tons is that correct

yes thats correct, what do the numbers mean, is that 1110kg?

 

[funflair]

Here's a table of load ratings vs tyre maximum load so double it foe axle load https://www.ctyres.co.uk/general/load-index

Martin

 

[jeffcav]

for tyres find your axle weights and and see what rating you need here https://www.gov.uk/guidance/mot-ins...al-vehicles/appendix-b-tyre-load-index-tables

So from this guide if i get 111 rated tyres, that is 2180kg/axle, with three axles is 6540kg. well over what i need as its 6.4tons, and my max weight is 4.5tons, unless i am missing something.
thanks everyone.

^{_{Subscribers  do not see these advertisements}}

 

[cmcardle75]

So from this guide if i get 111 rated tyres, that is 2180kg/axle, with three axles is 6540kg. well over what i need as its 6.4tons, and my max weight is 4.5tons, unless i am missing something.
thanks everyone.

Check individual axle loads, as some axles may take much less than others. As you typically want to swap wheels around, use the axle with the highest load to determine the tyres. The axle loads should add up to more than the MAM. Otherwise, it would be very inflexible. It is the highest max axle load that determines the tyre load required. You can't take the total MAM and divide by the number of tyres. Also, if you have DRW rather than tag axle, the tyres are downrated. This is what it meant when you see a tyre have two load ratings. The highest is for a 2 wheel axle and the lower for a 4 wheel DRW axle.

 

[jeffcav]

Check individual axle loads, as some axles may take much less than others. As you typically want to swap wheels around, use the axle with the highest load to determine the tyres. The axle loads should add up to more than the MAM. Otherwise, it would be very inflexible. It is the highest max axle load that determines the tyre load required. You can't take the total MAM and divide by the number of tyres. Also, if you have DRW rather than tag axle, the tyres are downrated. This is what it meant when you see a tyre have two load ratings. The highest is for a 2 wheel axle and the lower for a 4 wheel DRW axle.

I found my axle max loads -
AXLE 0NE 1850KG
AXLE TWO 1500KG
AXLE THREE 1500KG
so i am good to go on all of these tyres, and you were correct on the front axle requiring a different rating. cheers

 

[cmcardle75]

I found my axle max loads -
AXLE 0NE 1850KG
AXLE TWO 1500KG
AXLE THREE 1500KG
so i am good to go on all of these tyres, and you were correct on the front axle requiring a different rating. cheers

Technically, anything 105 or over is fine (although a manufacturer's recommendation for a higher load rating must be followed). Typically, two load ratings are available for any particular tyre size. I don't know what tyre size you have.

 

[RowleyBirkinQC]

From a load capacity perspective we are over spec‘d then, 3.5T van which came with the optional 16 inch alloys and 116 load rated Michelin Agilis Camper tyres on both axles. Guess it could have been dictated by the available tyre options for wheel size (not had cause to verify as yet)?

 

[cmcardle75]

From a load capacity perspective we are over spec‘d then, 3.5T van which came with the optional 16 inch alloys and 116 load rated Michelin Agilis Camper tyres on both axles. Guess it could have been dictated by the available tyre options for wheel size (not had cause to verify as yet)?

Many 3.5t vans are actually 4.0-4.5t vans that have been downplated. However, their wheels and tyres would have been specced for the higher MAM.

^{_{Subscribers  do not see these advertisements}}

 

[RowleyBirkinQC]

Many 3.5t vans are actually 4.0-4.5t vans that have been downplated. However, their wheels and tyres would have been specced for the higher MAM.

We’re on the light chassis, think it can go to 3850 fairly easily (plate suggests such).