Tractor Restoration

Agricultural Mechanics - 2010-11 Tractor Restoration Project

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Denton FFA Chapter
Chartered July 1938
"Denton's Agricultural Legacy"



" It's better to be a has-been that a never-was."


The Denton FFA Alumni Association is planning a student restoration of this 1949 Allis Chalmers C. 

The tractor was generously donated to the Denton FFA by Gordon & Sylva Cohen of Copper Canyon in memory of her parents and to provide their support for agricultural education of future generations of Texas farmers.

Sylva's mother, Nancy Mundy Surratt, was the first woman to graduate from Michigan State with a degree in Agriculture, when professors told her that no woman will ever make it through the program! Her Dad was an engineer, but they always dreamed of having a farm. At age 55, he sold his business, and they purchased a small farm in Clinton Township, Michigan. "Esmeralda" was purchased and they operated the farm until they both passed away in 1994.

1949 Allis Chalmers C


Manufacturer: Allis Chalmers
Factory: West Allis, Wisconsin, USA
Total built: 84,030
Original price (USD): $1200 (1949)

Allis Chalmers C Engine:

   Allis Chalmers 4-cyl distillate
   Allis-Chalmers 4-cyl gasoline


Fuel: 13 gal [49.2 L]

Power Take-off (PTO):

Rear PTO: transmission
Rear RPMs: 560

Dimensions & Tires:

Wheelbase: 77 inches [195 cm]
Weight: 2,500 lbs [1134 kg]
Front tire: 4.00-15
Rear tire: 9.00-24

C Serial Numbers:

Location: On top of transmission case, behind shift lever
1940: 1
1941: 112
1942: 12389
1943: 18782
1944: 23908
1945: 30695
1946: 36378
1947: 39168
1948: 51515
1949: 68281
1950: 80518


Drawbar (claimed): 12.6 hp [9.4 kW]
PTO (claimed): 18.82 hp [14.0 kW]
Plows: 2
Drawbar (tested): 18.4 hp [13.7 kW]
PTO (tested): 23.3 hp [17.4 kW]


Chassis: 4x2 2WD
Steering: manual
Brakes: mechanical drum


Manufacturer: Allis Chalmers
Fuel: distillate
Type: vertical I-head
Cylinders: 4
Valves: 8
Bore/Stroke: 3.375x3.50 inches [86 x 89 mm]
Displacement: 125.2 ci [2.1 L]
Cooling: liquid
Coolant: 8 qts [7.6 L]
Air cleaner: oil bath
Compression: 4.75:1
Rated RPMs: 1500
Firing order: 1-2-4-3
Starter type: -unknown-
Oil capacity: 4 qts [3.8 L]
Oil type:
90oF [32oC] : SAE90
32oF [0oC] : SAE20
10oF [-12oC] : SAE20W
10oF [-12oC] : SAE10W
Sparkplug gap: 0.030
Point gap: 0.020
Intake valve clearance: 0.010 hot
Exhaust valve clearance: 0.010 hot
Comments: Low-octane fuel engine designed to run on tractor fuels with an octane rating of 30 or higher.

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1007 Fulton, Denton, TX 76201

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5101 E. McKinney,  Denton, TX 76208


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7501 Teasley Lane. Denton, TX 76210

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