John and Kathy Boehm
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Engine and control Parts for John Deere Model 40 Tractors






T10966T block for Model 40 (Subs for M64T and AM754T), no breaks or repairs ny visual inspection, includes bayonet oil gauge and main bearing caps, Standard bore with smooth bores (except the top 3/4 inch of one bore), $335, I prefer pick up here or to ship truck freight as it is not possible to properly crate it for UPS Ground shipment

AM240T Used head gasket, similar to above, $10

AM240T Head gasket, used but like new, $15

M285T head bolt with washer, $2 each


M1766T crankshaft pulley #1 or #2 with no breaks or repairs, $40, your choice


M1766T #3 crankshaft pulley with no breaks or repairs, $40

M1766T crankshaft pulley with no breaks or repairs, later style without the built in crank jaws, $25


Starter ring gear for M or 40, $45

Flywheel for 40, Can ship UPS, 90 lb., $25

Bolts, flywheel to crankshaft, with lock strip, $5/ set

M3414T (sub for M27T) Cam followers , $8 each or four for $25

Camshaft, $55. Thrust plate, $7.50

M49T Camshaft gear, $35

Valve cover studs (one has the special cut on the threaded area, very nice condition, $12/pair

AM753T External oil tube, $8; Straight fitting, $5, 90 degree fitting, $5


Pushrod, 11 inch long, $16, one only

Rocker arm assembly, $80

AM274T End caps, $8 each

M76T Spring inside rocker arm shaft, $45

M72T rocker arm shaft, $8

M81T Spring, $5

AM272T or AM273T Rocker arm with adjusting screw, $10 each

AM271T Rocker arm bracket, $10 each

M285T Head bolt, $2 each; set of 7, $10

Carburetor to governor rod, $15

Throttle rod, $10


M1709T governor housing with levers and spring, very good condition, $45


M273T gear with M1683T weights, minimal play in weight pins and good gear, $75, two available, your choice

Internal governor assembly, very good condition, with M273T gear and M1683TT weights, $45

AL2691T Thrust bearing, $10

L4177T Thrust washer, $10

M273T gear with one M275T weight, as-is, there is some play in the weight pin, but the gear is very good, $15

L4197T Spring used on both governor housing and throttle linkage, $11

AM284T oil pressure gauge, nice and original, $40

Oil pump screen, great condition, $20

L4121T set screw with M463T cap, $13


OIl pump with M38T pump body, pumps well, $60, your choice

Oil filter, has top plate, but no bottom plate, $25, similar to above

Oil filter base, $10

Flywheel guard, $20

Oil pan, $10


AM669T Dented breather caps, usable, similar to above, $8 each

Valve cover, $15

Rear engine seal housing, $10

AM902T Front engine cover, $20

Front engine crankshaft seal cover plate, $9

M1758T throttle lever with spring and special washer, $25 (parts available separately)

M1067T with rods, $20

M1803T Mounting bracket for fan, $12.50

M2946T Lower water pipe, $15

M1520T upper water pipe, $15