front wheels

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front wheels

Post by manxmac » Wed Oct 28, 2015 10:24 am

I am trying to find a supplier of a new front wheel for my David Brown 990 Q cab 1976. The existing tyre size is 600 x19 and the Case parts lists a front wheel of 4.50e x 19 part No K947940. Massey and Ford sites list this size but there seems to be some doubt about the centres fitting the DB 990 regarding the holes and dishing of the wheel. Why do I always get the weird awkward parts!!
Thanks in advance

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RE: front wheels

Post by ollek » Wed Oct 28, 2015 12:05 pm

The part number K947940 is for a 4.50e x 19 rim. This rim is used together with 6.00x19 tyres. Please see ref number 22 in the following link ... 3ar1305634


RE: front wheels

Post by Guest » Wed Oct 28, 2015 1:21 pm

New 19" front wheels appear to be now unobtainable in either 5.50 or 6.00 rim size, plenty available for Ferguson T20 tractors but these aren't any good for the purpose, they won't fit the hub either. The only option is to ring around the tractor breakers and ask if they have any good used ones that will fit your purpose, they were commonly fitted to 990's so there should be some about. The ones listed on the Case IH partstore site is listed as 'not available'.

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RE: front wheels

Post by JamesF » Wed Oct 28, 2015 2:05 pm

Try Barcley Williams, if anyone still has them in stock I would think it would be them

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RE: front wheels

Post by John_Allen » Wed Oct 28, 2015 4:41 pm

Find someone with an MF135 and ask to try their 16" front wheel on your tractor. If it fits, order a front wheel for an MF148, which came with 19" front wheels as standard.

I seem to think that the 16 and 19 inch wheels will fit pretty well anything built in the UK - Fords, MF, IH etc all bought from the same supplier and seem to get swapped between makes quite often. There may be differences for front wheel weight mountings, but the offset and PCS for the studs is pretty standard. It's only when you start to get very wide tyres that you might have problems.

I'd agree that, while the "grey Fergy" wheels might fit the studs (MF 35's 600 x 16" wheels fit a Fergy and a 780), the wheels are rather narrow for the job!


RE: front wheels

Post by Guest » Wed Oct 28, 2015 5:34 pm

The T20 wheels are narrower and only take 4" tyres and the stud holes are different, the 19" 'Sankey' wheels have the same standard hub and stud pattern fitting as the 16" but will take a tyre no wider than a 6.00. 19" front wheels were most commonly fitted to 990's that were fitted with 14, 16 and 18x30 rears and also with 12.4/11x36.

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RE: front wheels

Post by dexta » Thu Nov 12, 2015 7:07 pm

there's a set on ebay if that's any help


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