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bolenscollector
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| | Posted: Sun Jan 02, 2011 7:36 am Post subject: no serial number on wd | My wd dosent have a serial number where they usually do on the left rear end on the flat spot. ive cleaned the paint off the area but theres just not anything there. Is there any other way for me to find out what year this thing is?
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Brian G. NY
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Joined: 13 Mar 2001
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| | Posted: Sun Jan 02, 2011 8:40 am Post subject: Re: no serial number on wd | The very early WD's had the serial number stamped next to the left brake access cover opposite the seat.
If you post the 'Engine' serial number I can give you a rough idea of the age of the tractor, assuming the engine is original.
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bolenscollector
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| | Posted: Sun Jan 02, 2011 9:00 am Post subject: Re: no serial number on wd | Brian the engine number best i could tell is w 15388 with either a 6 or a g for the last digit. Thanks.
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JMS/.MN
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Joined: 05 Mar 2009
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| | Posted: Sun Jan 02, 2011 10:48 am Post subject: Re: no serial number on wd | Not sure about the WD, but on the WC, front side of the right end of the rear axle, between the differetial and the C-channel, is a casting date for the axle.
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Brian G. NY
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| | Posted: Sun Jan 02, 2011 11:59 am Post subject: Re: no serial number on wd | That number confuses me; could you look at it again and clarify whether the last digit is a 6 or a G??
The WDs used either GA or PA as a suffix to designate gasoline engines.
The WD-45s used a G to designate Gasoline; however the WD-45 engine serial numbers begin with '45' rather than 'WD'.
Because yours starts with only 'W', I'm wondering whether its a WC engine.
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bolenscollector
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| | Posted: Sun Jan 02, 2011 2:33 pm Post subject: Re: no serial number on wd | Brian ill check that out but cant do it till tommrow . thanks for the help
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JMS/.MN
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| | Posted: Sun Jan 02, 2011 5:11 pm Post subject: Re: no serial number on wd | I have 4 WD tractors- checked the one in the tool room of the shop...it is sn 33966, a 1949. There are casting dates on the intermediate castings of the rear end. Intermediate casting is between the differential and the final drive casting- one that has the wheel on it. Since they are identical castings...the casting date is on the front side of the right intermediate casting, and on the rear side of the left one. This WD shows 9-29-49 on the left side, and 8-30-49 on the right side. Casting dates give you an idea, but do not determine the production date- the date the tractor left the assembly line. Considering the immense, immediate popularity of the WD, it does give a good indication of the year of production, between 1948 and Spring of 1953, when the WD45 came out, at sn 146007.
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bolenscollector
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| | Posted: Mon Jan 03, 2011 7:30 am Post subject: Re: no serial number on wd | Brian the engine number is w 153888g
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bolenscollector
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| | Posted: Mon Jan 03, 2011 7:35 am Post subject: Re: no serial number on wd | I checked the casting numbers on the final drives and they show 3-17-49 on the left side and 3-21-49 on the right side
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Brian G. NY
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| | Posted: Tue Jan 04, 2011 7:21 am Post subject: Re: no serial number on wd | I just confirmed my suspicions by getting a second opinion on the engine numbers for WCs.
The WC tractor engines have the W prefix only.
So........Your engine appears to be a WC gas engine.
Not to worry; very little difference, if any, between a WD block and one from a WC.
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bolenscollector
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| | Posted: Tue Jan 04, 2011 6:32 pm Post subject: Re: no serial number on wd | Thanks for the info brian. I was wondering how you are decodeing these engine numbers or do you have a book that u look them up in? From the number i gave u can u give me a rough idea of the year of this wc engine? thanks
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Brian G. NY
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| | Posted: Wed Jan 05, 2011 4:58 pm Post subject: Re: no serial number on wd | A few years ago a guy over on the 'Unofficial Allis' site devised a list showing the correlation between the engine and tractor serial numbers on WDs and WD-45s and published it on the site. I've never seen a like list for the WCs, tho.
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karl f
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Joined: 05 Dec 2001
Posts: 1779
Location: MN
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| | Posted: Thu Jan 06, 2011 5:24 am Post subject: Re: no serial number on wd | Weren't some tractor serial numbers duplicated on a frame rail? Right side by belt pulley seems to be ringing a bell in my head.
karl f
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karl f
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Joined: 05 Dec 2001
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Location: MN
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| | Posted: Thu Jan 06, 2011 5:34 am Post subject: Re: no serial number on wd | also see this link for illustration of normal location:
pictorial guide
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ACEd
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Joined: 15 May 2003
Posts: 523
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| | Posted: Thu Jan 06, 2011 6:37 am Post subject: Re: no serial number on wd | W153888G would most likely be a 1945 WC or WF engine. I think I was the source of the correlation list you mentioned - and I do have a list for WC's - but not as much data - but range I've seen for 1945 WC engines goes from W144xxx to W154xxx and I own 2 WCs s/n WC144378 with motor W153952K and WC144380 with motor W153950K.
But as to placement of S/N on early WD, look at top of axle at left brake cover - I've seen there and in one case stamped under edge of brake cover so you had to remove cover to see it.
best, Ed
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