Tyres

You can’t just take it for granted that tyres on your truck will take the weight of your demountable, especially so with Double Cab base cars. It’s crucial you check that they are rated correctly and have the correct pressure for the load you are carrying.

The consequences of under inflation and/or overloading are inevitable and very very scary.

Our lightweight models should pose no problems but it’s always beneficial to take a trip to the local weighbridge. You don’t just want the overall weight, you need to ask the weighbridge to give you the front and rear axle weights too: this is very important.  Before you go you should load the car and camper with all the stuff you take with you on your trips, a full tank of diesel and full fresh water tank. Don’t forget the driver and passenger must be included too.

If you are below the manufacturers GVW that’s a good start but it’s not the whole story. You need to check that both axles are within the truck’s axle limits too and that your tyres are rated to carry the load.

The maximum permissible axle weights will be shown on the vehicle data plate and you’ll find the rating of your tyres on the sidewall after the tyre size. The table below shows how the ratings work, for example 265 55 R16 108 T has a load capacity of 1000kg when inflated to the correct pressure. You’ll find that pressure prominently marked on the sidewall and remember it is always the pressure marked on the tyre, not the pressure on the information plate on the car that is correct. If they are different always trust the information on the tyre.

Load Rating Weight (kg) Load Rating Weight (kg)
62 265 107 975
63 272 108 1000
64 280 109 1030
65 290 110 1060
66 300 111 1090
67 307 112 1120
68 315 113 1150
69 325 114 1180
70 335 115 1215
71 345 116 1250
72 355 117 1285
73 365 118 1320
74 375 119 1360
75 387 120 1400
76 400 121 1450
77 412 122 1500
78 425 123 1550
79 437 124 1600
80 450 125 1650
81 462 126 1700
82 475 127 1750
83 487 128 1800
84 500 129 1850
85 515 130 1900
86 530 131 1945
87 545 132 2000
88 560 133 2060
89 580 134 2120
90 600 135 2180
91 615 136 2240
92 630 137 2300
93 650 138 2360
94 670 139 2430
95 690 140 2500
96 710 141 2575
97 730 142 2650
98 750 143 2725
99 775 144 2800
100 800 145 2900
101 825 146 3000
102 850 147 3075
103 875 148 3104
104 900 149 3250
105 925 150 3350
106 950

 

Speed Rating Miles Per Hour Kilometers Per Hour
B 31 50
C 37 60
D 40 65
E 43 70
F 50 80
G 56 90
J 62 100
K 68 110
L 75 120
M 81 130
N 87 140
P 93 150
Q 99 160
R 106 170
S 112 180
T 118 190
U 124 200
H 130 210
V 149 240
Z 150+ 240+
W 168 270
Y 186 300