Tractor · 1933Unverified
Allis Chalmers UC
Allis Chalmers UC — Row-Crop tractor · 19 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
19 hp
Max power
18.6 kW
Weight
2637 kg
Hover a source tag to verify
Overview
ManufacturerAllis ChalmersReference
Row-Crop tractorReference
Built in West Allis, Wisconsin, USAReference
Total built4,647 UCReference
Total built1,541 UC CaneReference
The Allis-Chalmers model UC was originally named the All-Crop.Reference
Two-wheel driveReference
Open operator station.Reference
Variants
UstandardReference
UCrow-cropReference
Engine
Allis-Chalmers 4.9L 4-cyl gasolineReference
Allis-Chalmers 5.2L 4-cyl gasolineReference
Fuel tank90.8 LReference
Aux. fuel3.8 LReference
Drawbar (claimed)14.2 kWReference
Belt (claimed)23.1 kWReference
Plows3Reference
Drawbar (tested)15.8 kWReference
Belt (tested)25.4 kWReference
Allis-ChalmersReference
gasolineReference
4-cylinderReference
vertical I-headReference
The 301 Allis engine replaced was the second engine on the All-Crop / UC. It was used from 1933 until 1936; tractor serial numbers UC1369 though UC2281Reference
Displacement4.9 LReference
Bore/Stroke111 x 127 mmReference
Rated RPM1200Reference
liquid-cooled vertical I-headReference
The 318 Allis was the final engine, introduced in 1936 on tractor serial number UC2282Reference
Displacement5.2 LReference
Bore/Stroke114 x 127 mmReference
Coolant capacity22.7 LReference
Belt power (max):26.9 kWReference
Max power:18.6 kWReference
Belt power (max):25.4 kWReference
Max power:15.8 kWReference
Max power:17.7 kWReference
Transmission
3-speed non-synchronized gearReference
4-speed non-synchronized gearReference
Typenon-synchronized gearReference
Gears3 forward and 1 reverseReference
Gears4 forward and 1 reverseReference
Dimensions
Wheelbase220 cmReference
Weight2637 kgReference
Front tire24x5Reference
Rear tire42x2Reference
Ag front24x5 steelReference
Ag rear42x2 steelReference
Ag front6.00x16Reference
Ag rear12.75x24Reference
Length368 cmReference
Width205 cmReference
Height176 cmReference
UC Serial Numbers
Location:Rear axle near PTOReference
1930UC1Reference
1931UC39Reference
1932UC1100Reference
1933UC1232Reference
1934UC1294Reference
1935UC1552Reference
1936UC2001Reference
1937UC2771Reference
1938UC3757Reference
1939UC4547Reference
1940UC4770Reference
1941UC4972Reference
19445038Reference
1945-Reference
1946-Reference
19475068Reference
19485268Reference
19495526Reference
19505644Reference
19515806Reference
19525939Reference
19536143Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter25 cmReference
Width19 cmReference
RPM1095Reference
Speed874.78 meters/minReference
Test results
Continental 3-speed 2WDApril 17 - May 13, 1931Link: Nebraska Tractor Test 189 fileReference
Belt fuel use (max):15.5 l/hourReference
Drawbar performanceReference
Gear 1 used for power test.Reference
Max pull:1706 kgReference
Gear 1 used for pull test.Reference
Allis 300 ci 4-speed 2WDJune 16 - August 8, 1935Link: Nebraska Tractor Test 238 fileReference
Max pull:1041 kgReference
Max pull:1176 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.