Engine Parts for Dubuque Tractors: John Deere 420, 430, 440

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Engine Parts for Dubuque Tractors: John Deere 420, 430, 440

Four views of a Marvel-Schebler TSX688 carburetor to fit all 420, 430, and gas 440 tractors, This carburetor has been disassembled, beadblasted, all passages thoroughly cleaned out and reassembled with new gaskets and drain valve (GE), $325

M3995T Head for 420, 430, 440 gas tractors, all four valves are new from H and J Machining and valves and valve seats have been ground by my local machine shop, cooling system was full of antifreeze when parted and there were no leaks. This head is ready for your paint and to go to work.$450

M3035T Head for 420, 430, 440 gas tractors, valves and valve seats have been ground by my local machine shop, cooling system was full of antifreeze when parted and there were no leaks. This head is ready for your paint and to go to work.$375

Used head gasket, $10

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

AM3015T Oil line with nuts, $8
AM234T elbow nut nut, $5
AM235T straight connector, $5
Entire set, $15

M3957T Or5chard style manifold designed to be used with the AM3224T muffler with adjustable flange, very good condition, no breaks or repairs, one manifold stud will need to be removed, $120

M3957T Orchard style manifold designed to be used with the AM3224T muffler with adjustable flange, very good condition, no breaks or repairs, $125

M3060T (Sub. M3956T) Manifold, very good condition, no breaks or repairs, $100

This is the bore that is pitted

M3037T block, no breaks or repairs, this block had antifreeze solution in it with no leaks when parted, standard bore, one bore is nice and smooth, the other bore does have some pitting so you may want torebore it for oversize pistons, includes main bearing caps, can ship via UPS, $300

M3043T standard bore pistons, these pistons camee from and are matched to block #1, iunclude pisaton pins, $100 for the pair

M1691T connecting rod, $60, three available

M3114T cranklshaft, iknclues maqin bearings, all journals and gear teeth are good, $150, can ship UPS

L768T Crankshaft oil slinger, $9 (G)

M3112T crankshaft pulley, $40, your choice

M3113T (M4150T) Crank jaw, $25

M26T Main bearing cap, $8 each

19H1890A Main bearing bolt, $2 each

M13T, Thrust plate, $5

M49T Camshaft gear, $48

M49T Cam gear, $48
M3156T Camshaft, $30
Complete assembly, $70

M3414T Valve tappet, $10 each or $32 set of four

AM2849T pushrod, $19 each

Complete rocker arm assembly #1, excellent condition, $110

Complete rocker arm assembly #2, good condition, $80

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

Set of four bolts to attach front end support to block, $12

Bolt set to attach block to torque tube, $14

AM3123T Flywheel with ring gear, $60

M21T (AM648T) Good ring gear, $40

AM1791T governor assembly, good condition, $60

Governor housing with M1709T casting on housing, $60

AM3130T Tachometer drive, turns freely, good condition, ready to go to work, $50

AM3131T Cable and sheath assembly, $25

AM284T Oil pressure gauge, original, good working condition, $30

AT10301 Filler cap with oil dipsitck, $20

AM232T Bayonet Oil Dipstick, $10

M98T oil return pipe, $12

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, M59T base with AM236T case and missing bottom sealing plate, $30

Rain cap to fit mufflers with 1 3/4 to 2 inch outside diameter pipes, $10

AM2850T (AT10423T) valve cover with good gasket, no dents, no rust, has coil mounting bracket, $35

AM2850T (AT10423T) valve cover, no dents, no rust, $25

Home made hanger for undermounted muffler pipe, bolts undeath the foot rest, free with any order

AM3009T Heat shield, $30, your choice

Flywheel guard, $20

AM902T Front engine cover, $16

L4115T Cover for front end of crankshaft, $10

M18T Cover for rear main seal, $10

Timing mark cover, $5

M3298T plug, $8

M3295T Gvoernor to carburetor rod, $16 (MJB or G)

T13883T (M3123T) Governor connecting rod, $10

L4197T spring, $11

T11113T throttle lever, $18

M1858T Spring, $7

M1859T Thrust washer, $7

M1857T Lipped Washer, $10

M3152T Throttl bracket with M3121T anchor, $10

Throttle parts from a 440I, may fit 430 and slant dash 420, good universal joint, bracket has a welded repair, $50

Spring, $5

AM1788T oil pan, $25

Breather cap, no dents, $25, your choice

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

AM2840T fan blade, $20

AM2840T fan blade, $10

M3057T 5/16 x 1 1/2 Specil bolts to attach water pump, $5 each, three available

AM3060T Water pump with M3061T hub and M3111T adjustable flange, used but came from a tractor with antifreeze when removed, turns freely as it should, $90