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john deere model b serial number

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jeremy abernath

02-11-2008 09:38:01

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I just got a John Deere long hood model b. the serial number tag is rust pitted so bad i cannot make out any of the numbers. is there any other way to find out what year model it is beside the tag.

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jeremy abernathy

02-14-2008 09:57:01

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 09:38:01

thanks for all the help guys. i have some more information. the radiator is copper core because it is green. the number on the radiator is b1804r. it has a powertrol system on the back. the number on it is pcv67368. in front of the clutch housing there is a number that is verticle. b1840r i am assuming this is the block number. it is a 6 speed trans. with high and low range. it has a sliding drawbar,angle iron frame.

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LittleD

02-12-2008 16:22:18

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 09:38:01

Jeremy,

Maybe you can use the list below to find a serial number range that your "B" fits into.

Hoping this might be useful, Rich

� 95201 Last 4 speed, a rebuilt BN shipped on Oct. 17, 1940

� 95202 to 95999 NOT USED as new design starts at 96000

� 96000 New engine and drive train, Sept 19, 1940

Engine change to 175 CID (4-1/2 x 5-1/2) 14/18.5 Hp

�Ramp style� cylinder head now used

New shielded manifold (B1784R) now used

Muffler extension tube now used

6 speed transmission begins

DLTX-34 Carburetor used with manual choke rod ( starter equipped only)

Brake drum changed to wider design

New clutch drive disk (B1849R) and wider pulley (6-3/16�) now used

Tractors with starter have straight dash

5 inch lights now used

Fuel tank made as two parts, gas (2gal) and fuel (12gal)

� 102683 Heavier hub and clamp (B1961R) now used on rear steel wheels

� 136662 Cast frame now used until 166999

� 148500 Steel finned radiator and pressurized cooling system begins, new temp gauge
� 149699 Last 2 piece sliding drawbar

� 149700 First 1-3/8 dia. PTO shaft

� 157131 New style skeleton wheel with removable hub first used

� 153376 Reversible front wheels (JD1268R) first used

� 155445 New brake shoes with shorter linings first used

� 165401 New style steel wheel with removable hub first used

� 167000 Angle iron frame begins again
Last breather with short flat stack Copper finned radiator core returns (unpressurized)

� 167010 First breather with mushroom cap offset for battery box

� 171992 Fan drive friction clutch first used

� 173179 First �Power-Trol� first used

� 174604 Brake latches shortened, moved forward on platform

� 183972 New manifold (B2179R) first used

� 186133 Last old style drawbar frame

� 187389 New style cast iron wheel with removable hub first used

� 200247 Last �styled� Model B, Jan. 9, 1947

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Derbynut

02-13-2008 20:28:28

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Re: john deere model b serial number in reply to LittleD, 02-12-2008 16:22:18

Where is this type information printed? I have a BR with no tag and I'm trying to determine the year.

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DickD

02-12-2008 09:08:09

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 09:38:01

Serial numbers 136662 to 166999 had a cast iron frame as you know. Serial numbers 148500 to 166999 had a pressurized cooling system. Maybe this will get you a little closer.

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patsdeere

02-11-2008 13:09:51

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 09:38:01

Try searching the archives/old posts. There have been many more suggestions on ways to read the number.

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johndeereman

02-11-2008 12:37:19

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 09:38:01

i can narrow it even more its between 42 and 44 they used steel plates instead of brass cause of the war and they are hard to read lucky for me someone painted over mine so it didnt pit too bad mines a 43 it has a belly frame in it not straight through like the other years

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MrJDMan80

02-11-2008 10:07:32

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 09:38:01

Deere never put the serial numbers anwhere else on the tractor, but more info would help.
Isit styled or unstyled? what options does it have? ie: hydrolics, water pump, carb type, shift patern, etc. all these things will get you close. Also, try putting a piece of paper over it and shading with a pencel or crayon. That often times helps.
MrJDMan80

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jeremy abernathy

02-11-2008 10:18:54

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Re: john deere model b serial number in reply to MrJDMan80, 02-11-2008 10:07:32

it is styled it has high and low range shifter electric start, hydrolics there is no water pump and i am missing the carb. it is a all fuel. it has the spring seat not the seat with a batery box under it. no rol-a-matic front end. the starter is mounted on the top. it has stamped wheels. any information would be appreciated.

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jason r

02-11-2008 11:46:26

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Re: john deere model b serial number in reply to jeremy abernathy, 02-11-2008 10:18:54

it is a 1941 to early 1947 B. There are also ways to tell if it is a war time tractor by the frame and cooling system. Sometimes you can tell by the front rims if the tractor is original.

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