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


Used head gasket, similar to above, $10

M285T head bolt with washer, $2 each


M1799T manifold #2, looks like it may need a repair at the yellow arrow, $20

M1691T connecting rod with good used bearings and bushings, $35 each

M29T connecting rod, good condition, $25


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


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


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

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 each or four for $60

Rocker arm assembly, $70

AM274T End caps, $9 each

M76T Spring inside rocker arm shaft, $20

M72T rocker arm shaft, $8

M81T Spring, $5

AM272T or AM273T Rocker arm with adjusting screw, $12 each

AM271T Rocker arm bracket, $8 each

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

Carburetor to governor rod, $15

Throttle rod, $10

M273T gear with M1683T weights, minimal play in weight pins and good gear, $85

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

M1709T Governor housing and associated parts, $20

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


Oil pump screen, great condition, $20


Oil pump with M38T pump body, pumps well, screen needs repair, $75


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

Oil Pump set screw and cap $6

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

Oil filter base, $10

Flywheel guard, $20

Oil pan, $10

Nice Oil filler/Breather cap similar to above, may have some small dents, $12.50

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

M265T water tube (not an original Deere part), $8

M1520T upper water pipe, $15