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





To view the running engine before disassembly, here is a video:

Standard bore short block with all internal components (oil pump, crankshaft, camshaft, pistons, connecting rods, etc. This came from a running tractor and the video of it runniung before diassembly is included here. $950 and I can ship it to you truck freight.



M1799T manifold, good condition, no breaks, burned out spots, or repairs, $80


AM2835T (M1195T) Orchard exhaust pipe attachment, $95 - this piece allows an under the hood exhaust. your choice

M1519T Plates to block out the hood opening when orchard attachment is used, $10

Used muffler in good condition, $20

M1691T connecting rod with good used bearings and bushings, $45 each

M29T connecting rod, $30 each, piston pin, $10 each


Starter ring gear for M or 40, $45

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

Flywheel guard, $25

Camshaft, $25. Thrust plate, $7.50

M49T Camshaft gear, $50

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

AM753T External oil tube, $10; Straight fitting, $5, 90 degree fitting, $6


Pushrod, 11 inch long, $16 each or four for $60

Rocker arm assembly, $70

End caps, $6 each

Individual parts also available (rocker arms,$12.50 each, internal spring: not avaqilable, posts $7)

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

Carburetor to governor rod, $15

Throttle rod, $10

Internal governor assembly in very good condition, came from a running tractor, $80

M1709T Governor housing and associated parts, $20

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

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

Screen for oil pump, $25

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

Lower water pipes, $15

M1620Tupper water pipe, $15

Used coil with correct mounting bracket, $10

Voltage regulator (not tested), $8

Coil bracket, $5

Original switches from non running tractors, appear to be good, but sold as-is, $15

Holddown clips and bolts for distributor,$10 per set


Very good distributor from a running tractor, $45, your choice

Ring gear, $30

Delco 1107064 Working and tested starter, no switch, $145

M1863T Starter switch lever, $7

Original switch, this one from a running tractor, appears to be good, but is sold as-is, $25

Ammeter, $10

Generator mounting bolt set, $10

Generator adjusting bracket, $10