John and Kathy Boehm
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Engine parts for Hercules NXB engines can be found here




Marvel Schebler TSX237 carburetor, original equipment for LUC, but will work just fine on LA or L tractors, This carb has best disassembled, cleaned, checked, and reassembled using a new gasket. Ready to go to work on you tractor! $235



Standard bore LA 3 1/2" standard bore block , includes camshaft, cam gear, and main bearing caps, will need at lerast two new valve seats, visual inspection reveals no breaks or repairs, sold as-is$50 (105 lb, can ship UPS)


L4288T manifold #1 in excellent condition, $95

L4234T head for LA and LUC, no breaks or repairs, $20


Pulley #1, Casting # L4240T (same as catalog part # AL2876T), no breaks or repairs, excellent teeth, $100



Crankshaft pulley for JD LA/LUC engine (not for Hercules engine),
Pressed steel pulley, $15 each
#3, worn teeth, $45
#4, good condition,no repairs, two teeth worn, $50
#6, fair original teeth, has been brazed on both sides, $20
NOTE: Casting # L4240T is the same as catalog part # AL2876T
NOTE: The L with JD engine has a different pulley


3 1/4 standard pistons for L $35 each

Standard bore pistons, similar to above, includes piston pin, $25 each

Connecting rod for L or LA, used bearings, $35 each

Good Crankshaft, $35 (Can ship inexpensively in a flat rate box)

AL2882T Rear main bearings, standard, $30

L587T Ferrule, fuel inlet line, $2

Set Screw and jam nut for starter, $15

Rear engine seal housing, with used seal, $5

Camshaft and gear, $25

Idler shaft with gear, $20

NOS L820T oil pump drive gear, $10 each, three available

Oil pressure gauge, original, but cloudy glass and dirty dial face, $15

Oil pump, $25
Oil pump screen, $20
Oil line, $8
Set screw and jam nut for oil pump, $5

Cap, spring, and piston for oil pressure relief valve, $30

AT14098T NOS Oil dipstick, $10 (One available)

Used dipstick, good condition, $5

Valve cover, $8

AL821T, NOS intake valve, $12 each

L822T NOS exhaust valves, $20/pair

Good used exhaust valves, $8 each, Good used intake valves, $5 each; Springs $1 each; keeper rings, $1 each, Pins, $1 each

L4234T head, $20, Set of headbolts, $12, or combine both items for $29

L4133T pan gasket, $9

Oil pan similar to above, $10

Flywheel cover similar to above, $15

Front engine mounting bracket, $15

Spark plug wire holder, $15

Internal parts for governor as shown: $10

Governor housing and attached parts: $14

L4197T, $7

L4176T sealing washer for governor, NOS in original packaging, $2.50 each

Rod from carb to governor, $19

Bolt with 14H377 jam nut, $1

L4294T with screw, $5 (without screw, $4)

L4248T Throttle plate with spring, similar to above, $18
L4248T Throttle plate without spring, $4


Clutch pilot bearing, $5

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

Breather/Oil filler tube $5
Breather/Oil filler cap, good and usable, but may have some dents, $12.50

Oil pipes to oil gauge, $8

25H125 Grooved and taped pin for crankshaft pulley, new, $2 each

Fan assembly with bearings in very good condition, ready to use: $60
Fan assemblies with usable bushings (there is some play between shaft and bushing, but not excessively worn and usable as-is): $30
Also have complete fan assemblies that need to have the bushings rebuilt for $15 each

Fan blades , $10

Engine front cover plate, $9

LA/LA/LI clutch pressure plate, $20
LA/L/LI clutch disk, $20


Starter hole blank cover, $7 each

This engine, with all internal parts, engine is stuck, $50, can ship truck freight or pick up here