freightliner Sprinter - Page 228

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Observe thetireload rating and speed
rating required foryour vehicle.
1
Prefixing letter
2
Nominal tirewidthinmillimeters
3
Aspect ratio (inpercent)
4
Tire code
5
Rimdiameter
6
Load-bearing index
7
Speed rating
8
Loadindex
%
The datashown in theillustration is sample
data.
Further information about reading tiredatacan
be obtainedfromany qualified specialistwork‐
shop.
Prefixing letter 11:
R
"LT": light trucktires in accordance withUS
manufacturer standards.
R
"C": tires forcommercial usage in accordance
withEuropean manufacturer standards.
Aspect ratio (inpercent) 33:
The size ratio betweenthe tireheight and tire
widthand is shown in percent (tireheight divided
by tirewidth).
Tire code 44 (tiretype):
R
"R": radial tire
Rim diameter 55:
The diameterofthe bead seat (notthe diameter
of therim flange). The rimdiameterisspecified in
inches (in).
Load-bearing index 66:
Numerical code whichspecifies themaximum
load-bearing capacity of atire("91" equals, e.g.
1356 lb (615 kg)).
The tireload-bearing capacitymustbeatleast
half thegross axle weight rating of thevehicle.
Do notoverload thetires by exceeding themaxi‐
mum permissible load.
See also:
R
Maximum permissible load on theTireand
Loading Informationplacard(/page221)
R
Maximum tireload (/ page225)
R
Load index
Speedrating 77:
Specifies theapproved maximum speed of the
tire.
%
An electronicspeed limiter prevents your
vehicle from exceeding aspeed of 130mph
(210 km/h).
Ensure that your tires have therequired speed
rating.You can obtain information on the
required speed rating at aFreightliner Sprinter
service center.
Summer tires
IndexSpeedrating
LUpto75mph (120 km/h)
MUpto81mph (130 km/h)
NUpto87mph (140 km/h)
PUpto93mph (150 km/h)
QUpto100 mph(160km/h)
RUpto106 mph(170km/h)
Summer,all-season and winter tires
IndexSpeedrating
LM+S
1
Up to 75 mph(120km/h)
MM+S
1
Up to 81 mph(130km/h)
NM+S
1
Up to 87 mph(140km/h)
PM+S
1
Up to 93 mph(150km/h)
QM+S
1
Up to 100mph (160 km/h)
RM+S
1
Up to 118mph (170 km/h)
1
:or"M+S i"for winter tires
Winter tires aremarkedwiththe i snowflake
symbol and fulfill therequirements of theRubber
ManufacturersAssociation (RMA) and theRubber
AssociationofCanada (RAC) regarding thetire
traction on snow.
226
Wheels and tires