Advice needed Snow chain confusion - Diamond Pattern / ONORM 5117 / ONORM 5119?

CaptainArrogant

First Runs
Jun 11, 2021
2
1
3
I'm looking at buying an old set of Konig T2 Magic. They're diamond pattern, and are labelled ONORM 5117.

The ONORM 5119 standard seems to get mentioned a lot on older threads - are 5117 chains still okay, or even necessary?

No mention of ONORM is made here:

V5117.jpg
 

teckel

"I'm not a cat"
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Oct 16, 2004
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www.mysticmountainsskihire.com.au
5117 is for smaller vehicles, 5119 for larger vehicles - buses/trucks etc
What are you driving?
    • Category M: used for the carriage of passengers
      • Category M1: no more than eight seats in addition to the driver seat (mainly, cars)
      • more than eight seats in addition to the driver seat (buses):
        • Category M2: having a maximum mass not exceeding 5 tonnes (11,000 lb)
        • Category M3: having a maximum mass exceeding 5 tonnes
    • Category N: used for the carriage of goods (trucks):
      • Category N1: having a maximum mass not exceeding 3.5 tonnes (7,700 lb)
      • Category N2: having a maximum mass exceeding 3.5 tonnes but not exceeding 12 tonnes (26,000 lb)
      • Category N3: having a maximum mass exceeding 12 tonnes
  • Category O: trailers (including semi-trailers)
    • Category O1: maximum mass not exceeding 0.75 tonnes (1,700 lb)
    • Category O2: exceeding 0.75 tonnes but not exceeding 3.5 tonnes (7,700 lb)
    • Category O3: exceeding 3.5 tonnes but not exceeding 10 tonnes (22,000 lb)
    • Category O4: exceeding 10 tonnes
5117 for M1, N1, O1, O2
5119 for larger vehicle classes
 
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