John and Kathy Boehm
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Allis-Chalmers Model B and C Parts

This page contains drive train parts: transmission, clutch, final drive, pto, hydraulic, and brakes

These parts are from both Allis Chalmers B and C tractors. Many are interchangeable, but some are specific to on or the other. If you are unsure, ask and I will verify if it will fit your tractor.

About 25 pounds of bolts, nuts, washers, and miscellaneous parts for AC B and C, $20 plus $15 shipping in a flat rate box

Clutch disk, $20

Pressure plate assembly #1, $35


Clutch pedal, $10

Clutch pedal lock., $5

Clutch Rod, $10

Clutch throw out bearing with carrier, $30

Fork for throwout bearing and carrier, with pin, $12.50

Brake drum on pinion shaft, $20 one available)

Large key on pinion shaft at brake drum, $5


Brake rod for foot brake, $15

Brake spring, $6

Grooved brake pin, $5

Brake band (for foot brakes) with usable lining left, $16

Brake adjusting screw, $10

Hand brake lever, good threads, $14 each

Brake covers $15 each or $25/paqir, your choice

Brake pedal set, $25

Driveshaft with good splines both ends, $25

Rear cover, Painted, $10


Shifter forks, rails, and cover, $40

Painted Bare transmission case, $30

Good transmission case, with C serial number, $20

Shifter lever, $12, your choice

206530, 14T gear on mainshaft, first and reverse, $20

206533, 27T gear on mainshaft, third gear, $25

206532, 19T gear on mainshaft, second gear, $20

206541, 35T sliding gear on pinion shaft, first and reverse, $30

206542, 30T gear on pinion shaft,second and third, $20

22T idler gear on pinion shaft, $20

207752 Shaft with 7 T pinion gear, $25

Spring washer, not available
225449 nut for bevel pinion shaft, $5

Thrust washer for bevel pinion shaft, $5

Reverse idler gear (19 and 22T), shaft and two roller bearings, $25

Differential assembly, $25

Differential carrier, $10 each

Two views of a pto/belt pulley drive, gears and bearings in good condition, $100

206726, 14T sliding gear on mainshaft for belt pulley/pto, $35

224745 Snap ring sliding stop for above gear, $8


AC B wheel center, bolt on style, $30 (72 lb)

AC C wheel center, $30 (76 lb)


AM2790-1 bull gear for both B and C, $25 each, 2 available (27 lb.)

B gear only for drive gear, $15

Bare final drive housing for B, $35, can ship UPS (90 lb)

Also available, Bare final drive housing for C, $35, can ship UPS

Pinion shaft cover B or C, $5 each

Final drive oil pan, B or C, $40

Piniopn shaft fopr AC C, includes both bearings, $40 (26 ")

Large key on pinion shaft at brake drum, $5

Flanged Axle for AC C, $40, includes both bearings

Special nut and washers for end of AC C flanged axle, $7/set

Final drive nut, $8 each

Large washer on final drive, $4 each

Used 05508, Inner bearing cap, $8

New 205508, Inner bearing cap, $10