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#1
11-10-2013, 10:01 AM
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W123 Wheel Hub Diameter?
Does anyone know the hub diameter on W123? Seems Google was a little short on a definitive answer
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82 300TD 75 300D 99 F350 Crew Cab 7.3 Powerstroke 
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#2
11-10-2013, 10:15 AM
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On my W123 steel trailing arms (rear) the diameter is 16 cm.
The front hubs on my W201 are only 14 cm, however, even though they have the same bolt hole PCD as the W123 I don't have a measurement for the front W123 hub yet. If I see one in the garage tomorrow I'll grab it and measure it... ...please do something really exciting and interesting with this boring knowledge!
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior  Don't leave that there - I'll take it to bits!
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#3
11-10-2013, 12:02 PM
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LOL!!! Thanks Stretch!!
I will be using this information to machine the hub in the center of a set of wheels I recently acquired
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82 300TD 75 300D 99 F350 Crew Cab 7.3 Powerstroke
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#4
11-10-2013, 12:39 PM
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Wow - hang about!
I've given you the diameter of the hub =>  not the diameter of the disc (brake) / rotor. Which do you need?
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#5
11-10-2013, 01:03 PM
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Sorry, probably should have specified. I need the diameter of the center portion of the hub. The area that the center of the wheel sits on.
Sent from my EVO using Tapatalk now Free
__________________
82 300TD 75 300D 99 F350 Crew Cab 7.3 Powerstroke
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#7
11-10-2013, 01:32 PM
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The W123 has a funny system. The front wheels look like this =>
 or a bit like this without the vented disc  (Both pictures borrowed from this thread Upgrading w123 with 1st generation w126 brakes) The disc brake is bolted to the inner side of the hub. On the back, however, the discs are more conventionally bolted to the outer side of the hub so for the backs you need a bigger diameter than the value I've posted. If nobody else can help I'll dig about in my garage tomorrow and find the front hub diameter. If you use that value then you'll always be able to fit your wheels to the front and the back hubs
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#8
11-11-2013, 08:24 PM
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Think I might just bite the bullet and get out my calipers and measure it. Probably the most accurate way to do it any way. Thanks you sir!
Sent from my EVO using Tapatalk
__________________
82 300TD 75 300D 99 F350 Crew Cab 7.3 Powerstroke
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#9
11-11-2013, 08:31 PM
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W123 wheel spacers
Looks like the answer is 66.56mm. At least according to this thread. I'm going to measure anyway and will report my findings. Sent from my EVO using Tapatalk
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82 300TD 75 300D 99 F350 Crew Cab 7.3 Powerstroke
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#10
11-12-2013, 01:33 AM
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Sorry I got a bit stuck with other stuff yesterday - today is the day!
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#11
11-13-2013, 05:08 AM
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Quote:
The diameter of the rear brake disc section that is mounted over the hub is 17cm I'm sorry I can't find my W123 front hubs any where - they must be in the crawl space under the living room floor - I'm not going down there! If no body else can help you'll have to take the wheel off of your car and measure it yourself.
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits!
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#12
11-13-2013, 03:19 PM
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Quote:
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42
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