# Weights - payload - VEH?

Discussion in 'Tech/Mech General' started by Diesel, Jan 19, 2016.

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Hi All,

Hope someone can help.

How do I calculate my payload if that is right term for total weight of laden motorhome, I assume it is not 5600kg - 3500kg?

VEH - We currently pay roughly £240 - £260 in VEH PA, before buying our 2000 Hymer s510 we viewed a classic Hymer s660 which was older, bigger and had twin wheels on rear - that was only £160 to tax apparently ...are we paying too much?

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Not sure how I abbreviated Vehicle excise duty VED / Tax to VEH ...oh well

3. ### JeanLucFunster

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5,600 kg is your max permitted Train Weight; that is the maximum allowable for the Hymer plus any towed trailer.
3,500 kg is the max gross vehicle weight (GVW) for the Hymer (also referred to as MAM or MTPLM). That is the maximum allowable weight for the fully-loaded motorhome.
1,600 kg is the max allowable load on the front axle and 2,240 kg is the max allowable load on the rear axle. As well as complying with the GVW limit, the individual axle loads must be respected.

None of the weights on your plate tell you the pay-load. To calculate that, you need to know the weight of the Hymer in 'running order' (called MIRO - 'mass in running order'). This is a technical term with set parameters such as the inclusion of fuel, gas, water, hook-up lead and a 75 kg allowance for the driver. In practice, this is not much help either. What you really need to do, is load up van with all the basics, then go to a weighbridge and check the MIRO with the driver on board. Subtract the answer from the GVW (3,500 kg in your case) and you have the pay-load.
Assuming your Hymer is on a 313 or 316 Sprinter chassis, it has been down-plated to 3,500 kg by Hymer to make it saleable to people who do not have a C1 licence (or its equivalent if yours is an import). The chassis is actually rated at 3,800 kg.

Motorhomes with a GVW in excess of 3,500 kg are classed as PHGV (Private Heavy Goods) and are subject to a VED rate of £165. Those with a GVW of 3,500 kg or less pay a higher rate.

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Top info for you there diesel, spot on JL.

5. ### Mr ColpotFunster

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As above - but we load the van up in "Holiday Mode" and weigh it (I like to have full water and fuel but thats just me) to see how much we can add in purchases. Holiday Mode is clothes/food/people/water/fuel. We are lucky that we have a public weighbridge not far from us which weighs individual axles. So I know not only what I can add in terms of Wine but also where I should put it in the van.

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Top answer by Jeanluc, and as said best option is to weight your van loaded. Google public weight bridges for your town and a few will come up, usually only a few pounds.

7. ### ManicFunster

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Go to Weighbridge to check total weight and axle weights.
If you want to up-rate the 3500kg weight to get £160 bed you can contact Hymer with your van details and they will be able to tell you what can be done as a paper work excersise. I did mine and the contact I used was
Lisa Hummel
kundendienst@hymer.com

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Blimey great info - thank you .... @JeanLuc and @Manic

I'd have never considered my tax was higher because its lighter.

my licence is good for over 3500kgs, so will get myself to a weighbridge, the chassis is a 312D - if same 3800kg is available -seems daft not to upgrade?

I guess the axle weights remain the same so loading is then key as only leaves 40kg wiggle room between the axles - 1600kg + 2240kg = 3840kg making a weighbridge even more important as @Mr Colpot stated.

9. ### JeanLucFunster

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In practice, I weigh ours just before we set off on a tour, with both of us on board and full tanks, supplies, food etc. Having done it a few times, I now don't bother very often as I have a pretty good idea of what the van can take.
The procedure I set out above was to find the pay-load but actual fully laden weight is the key measurement. If, at your local weighbridge, they charge per weighing, then get the whole van done first, then either the front or rear axle alone and subtract from the total to get the load on the unweighed axle.
I am not sure what the maximum weight would be for a 312 chassis but Manic gives good advice regarding the Hymer contact.

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10. ### daveandsanFunster

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As @JeanLuc says but do pay attention to the axle weights, if I loaded my motorhome up to its max weight I would be way overweight on the back axle.

11. ### Peter A ForbesFunster

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How can that be?

Unless you have everything at the back, there should be sufficient capacity in the axle loadings to accommodate some imbalance front to back.

Our Mercedes is 5990kg gross, 4300kg rear axle, 2300kg front axle = 6600kg. GCW = 13000kg.

Peter

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