John and Kathy Boehm
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Engine Parts for unstyled B tractors



DLTX10 Marvel Schebler carburetor for unstled B, BO, BR and styled B up to serial 96000, This carb has been disassembled completely, all passages including load nozzle cleaned, then reassembled with new bowl gasket, $275


Wico Type X long lug magneto, new impulse spring, cleaned and service by local auto electric shop, good and hot, and tested on a running tractor, $250

A572R magneto gasket, $5

7/16-14 thread acorn nut for JD B valve covers, identical to correct original equipment, $1.50 each

A80R throttle lever, $20

B5R connecting rod #2 with good babbitt, $75

B5R connecting rod #1 with good babbitt, $75

B5R connecting rods with good babbitt, $75each
B5R with usable, but not super good babbitt, $25 each

B1303R crankshaft #1, Journals good, but driving disk splines show some wear and may need to be built up, as-is, $45 (50 lb.)

Set of pistons from the B1305R block shown below, measure 4.535", $45 for the pair



B1305R block, bored oversize to 4.545, on bore is pitted, as-is, $50

B355R, 9/16 x 5 1/4 head stud, $4 each

Oil slinger on crankshaft, $7

B131R slinger cover, $7

Left hand and right hand bearing shells with good bearings, $50 each

B660R flywheel, good splines, no breaks or repairs, $45

Complete rocker arm assembly with original cast rocker arms, $90

B217R Camshaft: $25
B195R Cam gear: $40

B198R camshaft rh bearing, $10

B199R camshaft lh bearing, $10

B504R, tappet lever bracket stud, $5 each

24H200R washer, $1 each
B207R spring, $2 each

B206R tappet lever shaft, $5


B pushrods, $4 each

AB271R Cam followers, $5 each or $16 set of 4

B201R or B1103R Cam follower guide with drive for oil pump, $20


B1306R head #1, no cracks by visual inspection, willneed new valve seats and on valve guide, as-is, $50


B357R Head, has been magnafluxed to show no breaks, cracks, or repairs, valve have just been reground, good pushrod sleeves, no broken studs, ready to paint and install, $300



B357R head, has been surfaced, new push rod tubes, new valve seats, and new inserts in valve guides. Somewhere there is an internal water leak and I gave up. Sold as is, $35

B357R head, no visible cracks or repairs, may need some new valve seats, good rebuikldable core, $120

B357R head, need some valve guides and seats, as-is, $50

B73R manifold good condition, but one broken ear as seen in lower photo, $50

B17R muffler end casting, $10

B773R muffler casting for BO/BR, $15

Oil pump, with good screen, tested and pumps oil well, $70

Oil filter head B under #40781 (with B255R body and B435R head), $50

Oil filter head B above #40781 (with F96R head), $50

Oil filter housing for B above 40781, $25

OIl pressure regulator for B under #40781, $25

AB2705R Oil pipe, governor, $20

AB286R Oil pipe, pump discharge, $15

AB289R, Oil pipe, to indicator and camshaft bearings, $15

AB290R Oil pipe, camshaft bearing, $15

AB288R Oil pipe, LH main bearing, $15

AB515R Oil pipe, RH main bearing, $15

B1097R, Elbow, side outlet, on camshaft and governoroil pipe, $15

Oil filter outlet, $35



Oil filter bottom that is used with the metal oil filter, $10

Complete oil filter bottom with nut, sealing plate, spring, and snap ring, $25

Oil filter bottom cover, $7

7/16-14 thread acorn nut for JD B valve covers, identical to correct original equipment, $1 each


B211R cast valve cover, $25

B211R cast valve cover that has a repair, If you can use this, it is free with any order of other parts.

Pressed steel valve cover, $30

B215R Tappet oiler pipe, $15

B700R crankcase cover, $15

B55R Breather cover and stack, $20

AB233R Breather core, $12

B76R carburetor to air cleaner pipe, $15

B59R short frame ventilator pipe, $15

A80R throttle lever, $25

B302R Unstyled B, BR, BO, BI, throttle rod, $25

B38R speed control rod, $18

B791R Speed control rod, $25

B403R upper water pipe, casting only, $20

B403R upper water pipe, $25

B650R Fan shaft support, $10, has the cut out area to fit the generator. .B650R is for all BR/BO and row crop B 3043-42199, $15

Fan shaft support for B 1000-42200, $15

B1006R fan shaft support for B 42200-59999, $10


AB297R fan blade with hub #1, good rubber and good splines, $120


AB297R fan blade with hub #2, good rubber and good splines, $120


B289R fan gear, not too worn, but it has a few small chips in some of the teeth, $60

B289R fan gear with slight pitting and some wear, $95

Fanshaft for row crop u/s B, $20

Fans tube for row crop u/s B, includes internal parts (bearing retainers, spring, etc.) at front end. $40.
Without internal parts, $15

Housing rear fan shaft bearing, $10

Bracket for oil and water gauges, $8

Governor and B1102R case, fan pinion gear is worn, otherwise complete and in good condition, $80 (35 lb.)

Bare B1102 R governor case, $20


B269R bare governor case, $20

B283R end cap for governor, $15

B282R governor drive gear, $25
Other internal governor parts are available, please

B272R lever and shaft, $15

B272R lever and shaft, with good speed control lever, $25

Clamp for spark plug wire conduit, $16


B813R Front end support for BO and BR, 215 pounds, $125 (This is the early style with no eyebolt hole)

B813R Front end support for BO and BR, 215 pounds, $100, (This is the later style, but eyebolt is missing)

B813R Front end support for BO and BR, 215 pounds, $125, (This is the later style, with the eyebolt)

BO Main case with serial tag 326803, $125

BO Main case with serial tag 325629, $125

Cast frame front end support for unstyled B, $50