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Allis Chalmers C vs Allis Chalmers UC
Verdict: Allis Chalmers C vs Allis Chalmers UC
The Allis Chalmers C and the Allis Chalmers UC are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 19 hp. Allis Chalmers C is the lighter machine (1,134 kg vs 2,637 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers UC holds more fuel (90.8 L vs 49.2 L) for longer stints between fills. Allis Chalmers C is the newer design (1940 vs 1933). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
19 hp
19 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
Gasoline 3-speed 2WDOctober 28 - November 7, 1940Link: Nebraska Tractor Test 364 fileReference
Allis 300 ci 4-speed 2WDJune 16 - August 8, 1935Link: Nebraska Tractor Test 238 fileReference
Total built
84,020Reference
1,541 UC CaneReference
Engine
Fuel tank
49.2 LReference
90.8 LReference
Aux. fuel
3.8 LReference
3.8 LReference
Plows
2Reference
3Reference
Drawbar (tested)
13.7 kWReference
15.8 kWReference
Displacement
2.1 LReference
5.2 LReference
Bore/Stroke
86 x 89 mmReference
114 x 127 mmReference
Air cleaner
oil bathReference
—
Compression
5.75:1Reference
—
Rated RPM
1500Reference
1200Reference
Firing order
1-2-4-3Reference
—
Starter volts
6Reference
—
Coolant capacity
7.6 LReference
22.7 LReference
Sparkplug
AC 45Reference
—
Sparkplug gap
0.889 mmReference
—
Point gap
0.508 mmReference
—
Intake valve clearance
0.254 mmReference
—
Exhaust valve clearance
0.254 mmReference
—
Oil capacity
6.6 LReference
—
Power at rated engine speed
17.4 kWReference
—
Max power
13.7 kWReference
—
Drawbar (claimed)
—
14.2 kWReference
Belt (claimed)
—
23.1 kWReference
Belt (tested)
—
25.4 kWReference
Belt power (max):
—
25.4 kWReference
Max power:
—
17.7 kWReference
Transmission
Type
non-synchronized gearReference
non-synchronized gearReference
Gears
3 forward and 1 reverseReference
4 forward and 1 reverseReference
Oil type
SAE20WReference
—
PTO & Hydraulics
PTO (tested)
17.4 kWReference
—
Rear PTO
transmissionReference
—
Rear PTO Type
560Reference
—
Dimensions
Wheelbase
195 cmReference
220 cmReference
Weight
1134 kgReference
2637 kgReference
Front tire
4.00-15Reference
24x5Reference
Rear tire
9-24Reference
42x2Reference
Ag front
6-12Reference
6.00x16Reference
Ag rear
10-24Reference
12.75x24Reference
Length
289 cmReference
368 cmReference
Height
159 cmReference
176 cmReference
Front tread
208 cmReference
—
Rear tread
132 to 203 cmReference
—
C Serial Number Location
C Serial Numbers
1940
1Reference
UC4770Reference
1941
112Reference
UC4972Reference
1942
12389Reference
—
1943
18782Reference
—
1944
23908Reference
5038Reference
1945
30695Reference
-Reference
1946
36378Reference
-Reference
1947
39168Reference
5068Reference
1948
51515Reference
5268Reference
1949
68281Reference
5526Reference
1950
80518Reference
5644Reference
Capacities
Diameter
20 cmReference
25 cmReference
Width
173 cmReference
205 cmReference
RPM
1129Reference
1095Reference
Speed
—
874.78 meters/minReference
Electrical
Ground
positiveReference
—
Charging system
generatorReference
—
Charging amps
12Reference
—
Battery volts
6Reference
—
Battery AH
95Reference
—
Test results
Fuel use
7.6 l/hourReference
—
Max pull
1066 kgReference
—
Belt fuel use (max):
—
15.5 l/hourReference
Max pull:
—
1176 kgReference
Variants
U
—
standardReference
UC
—
row-cropReference
UC Serial Numbers
1930
—
UC1Reference
1931
—
UC39Reference
1932
—
UC1100Reference
1933
—
UC1232Reference
1934
—
UC1294Reference
1935
—
UC1552Reference
1936
—
UC2001Reference
1937
—
UC2771Reference
1938
—
UC3757Reference
1939
—
UC4547Reference
1951
—
5806Reference
1952
—
5939Reference
1953
—
6143Reference
Location:
—
Rear axle near PTOReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.