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Allis Chalmers Styled WC vs Allis Chalmers U

Verdict: Allis Chalmers Styled WC vs Allis Chalmers U

The Allis Chalmers Styled WC and the Allis Chalmers U are both tractors — here is how they stack up on the figures that matter. Allis Chalmers U leads on rated power with 20 hp against 18 hp. Allis Chalmers U is the lighter machine (2,086 kg vs 2,700 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers U holds more fuel (90.8 L vs 56.8 L) for longer stints between fills. Allis Chalmers Styled WC is the newer design (1933 vs 1929). In short: choose the Allis Chalmers U for outright pulling power, or the Allis Chalmers Styled WC if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
Allis Chalmers Styled WC Tractor
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers U Tractor
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
18 hp
20 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
Operated via gear shift lever and foot clutch.Reference
The four-speed transmission was offered on tractors equipped with rubber tires.Reference
Total built
3,751 (Speed Patrol)Reference
19,009Reference
Original price
$1,341 (1947)Reference
Variants
WC Speed Maintainer
1938-1941Reference
WC Speed Patrol
1945-1950Reference
WF
Standard front version (wide)Reference
U
standardReference
UC
row-cropReference
Engine
Fuel tank
56.8 LReference
90.8 LReference
Aux. fuel
3.8 LReference
Drawbar (claimed)
13.4 kWReference
14.9 kWReference
Belt (claimed)
20.1 kWReference
23.1 kWReference
Plows
2Reference
3 (14-inch)Reference
Drawbar (tested)
16.6 kWReference
22.6 kWReference
Belt (tested)
22.3 kWReference
26.1 kWReference
Displacement
3.3 LReference
5.2 LReference
Bore/Stroke
102 x 102 mmReference
114 x 127 mmReference
Fuel use
8.0 l/hourReference
Air cleaner
oil bathReference
Compression
4.2:1Reference
Rated RPM
1300Reference
1200Reference
Firing order
1-2-4-3Reference
Starter type
electricReference
Coolant capacity
13.2 LReference
18.9 LReference
Sparkplug gap
0.762 mmReference
Point gap
0.508 mmReference
Intake valve clearance
0.254 mmReference
Exhaust valve clearance
0.254 mmReference
Oil capacity
4.7 LReference
Belt power (max)
22.3 kWReference
25.4 kWReference
Max power
18.0 kWReference
22.6 kWReference
Transmission
Type
non-synchronized gearReference
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Oil type
[0oC]Reference
32oF [0oC]↑
: SAE140Reference
32oF [0oC]↓
: SAE90Reference
PTO & Hydraulics
Rear PTO
transmissionReference
Rear PTO Type
535Reference
Dimensions
Weight
2700 to 3792 poundsReference
2086 kgReference
Front tire
5.50x16Reference
28x6Reference
Rear tire
11x28Reference
42x11Reference
Ag front
5.50x16Reference
6.00x16Reference
Ag rear
11x28Reference
12.75x24Reference
Length
345 cmReference
300 cmReference
Height
160 cmReference
135 cmReference
Clearance (rear axle)
73 cmReference
Rear tread
165 to 193 cmReference
Shipping
1496 kgReference
Operating
1720 kgReference
Ballasted
2061 kgReference
WC Serial Number Location
WC Serial Numbers
1933
1Reference
7419Reference
1934
29Reference
7685Reference
1935
3127Reference
8063Reference
1936
13870Reference
9471Reference
1937
31784Reference
12822Reference
1938
60790Reference
14855Reference
1939
75216Reference
15587Reference
1940
91534Reference
16078Reference
1941
103517Reference
16722Reference
1942
114534Reference
17137Reference
1943
123171Reference
17470Reference
1944
127642Reference
17802Reference
1945
134624Reference
-unknown-Reference
1946
148091Reference
-unknown-Reference
1947
152845Reference
18309, 20174Reference
1948
170174Reference
18613, 20179, 21000Reference
Final
178202Reference
Capacities
Diameter
22 cmReference
Width
193 cmReference
160 cmReference
RPM
1170Reference
Electrical
Charging system
generatorReference
Battery volts
6Reference
Battery AH
95Reference
Test results
Belt fuel use (max)
11.0 l/hourReference
15.5 l/hourReference
Max pull
1422 kgReference
1112 kgReference
U Serial Numbers
1929
1Reference
1930
1975Reference
1931
6554Reference
1932
7262Reference
1949
20301, 210036, 22018Reference
1950
20422, 22024Reference
Location:
Rear of differential, 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.

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