Head to head · Row Crop

Allis Chalmers WC (1933-1937) vs Farmall Super A

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Allis ChalmersModel A

Allis Chalmers WC (1933-1937)

Row Crop

power: 11.9 hp
displacement: 186 ci
Cylinders: 4
Forward gears: 4

Full WC (1933-1937) specs

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FarmallModel B

Farmall Super A

Row Crop

power: 16 hp
displacement: 113 ci
Cylinders: 4
Forward gears: 4

Full Super A specs

Allis ChalmersAllis Chalmers WC (1933-1937)

FarmallFarmall Super A

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ Super A higher · +4.1 hp (+34%)

WC (1933-1937)11.9 hp

Super A16 hp

Median Row Crop Tractor138 hp

WC (1933-1937) is in the 1st percentile; Super A is in the 1st · 1,206 models

Engine Displacement

▲ WC (1933-1937) higher · +73 ci (+65%)

WC (1933-1937)186 ci

Super A113 ci

Median Row Crop Tractor391 ci

WC (1933-1937) is in the 6th percentile; Super A is in the 1st · 1,409 models

Cylinders

= Effectively tied

WC (1933-1937)4

Super A4

Median Row Crop Tractor6

WC (1933-1937) is in the 17th percentile; Super A is in the 17th · 1,417 models

Forward Gears

= Effectively tied

WC (1933-1937)4

Super A4

Median Row Crop Tractor16

WC (1933-1937) is in the 4th percentile; Super A is in the 4th · 1,200 models

WC (1933-1937) (A)Super A (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Manufacturer	Allis Chalmers	Farmall	—
Model	WC (1933-1937)	Super A	—
Category	Row Crop	Row Crop	Same

Engine

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Manufacturer	Allis-Chalmers/Waukesha	International Harvester	—
Model	Not recorded	C113	—
Power Output	11.9hp	16hp	▲ Super A+4.1 hp · +34%
Rated RPM	1,300RPM	1,400RPM	▲ Super A+100 RPM · +8%
Cylinders	4	4	Same
Displacement	186ci	113ci	▲ WC (1933-1937)+73 ci · +65%
Bore	3.6in	3in	▲ WC (1933-1937)+0.6 in · +20%
Stroke	4.5in	4in	▲ WC (1933-1937)+0.5 in · +13%

Transmission

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Type	Non-synchronized gear	Sliding Gear	—

Dimensions & Weight

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Length	136in	107in	▲ WC (1933-1937)+29 in · +27%
Width	76in	55.8in	▲ WC (1933-1937)+20.2 in · +36%
Height	63in	81.8in	▲ Super A+18.8 in · +30%
Operating Weight	3,188lb	2,400lb	▲ WC (1933-1937)+788 lb · +33%

Hydraulics

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
System Type	Not recorded	IH Touch-Control	—
Steering Type	Manual	Manual	Same

Power Take-off (PTO)

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Type	Transmission	Transmission	Same
Speed 1	535rpm	540rpm	▲ Super A+5 rpm · <1%

Hitch & Towing

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Hitch Type	Not recorded	Mid-mount Touch Control rockshaft	—

Chassis & Drive

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Chassis Type	4x2	4x2 (2WD)	—
Drive Type	2WD	2WD	Same
Steering Type	Manual	Manual	Same
Brake Type	Differential hand-operated mechanical drum	Differential mechanical contracting band	—

Electrical

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Starter Type	Electric	Electric	Same

Capacities

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Coolant	3.5gal	3.3gal	▲ WC (1933-1937)+0.2 gal · +6%

Operator Station

Spec	Allis Chalmers WC (1933-1937)	Farmall Super A	Difference
Type	Open operator station	Open operator station	Same

Category context

Both models against the field

Engine Power

median 138 hp

A · 1st percentile (11.9 hp)B · 1st percentile (16 hp)

Engine Displacement

median 391 ci

A · 6th percentile (186 ci)B · 1st percentile (113 ci)

Cylinders

median 6

A · 17th percentile (4)B · 17th percentile (4)

Forward Gears

median 16

A · 4th percentile (4)B · 4th percentile (4)

Operating Weight

median 12,307 lb

A · 3rd percentile (3,188 lb)B · 1st percentile (2,400 lb)

A · WC (1933-1937)B · Super AMedian Row Crop Tractor

Full spec pageAllis Chalmers WC (1933-1937)Full spec pageFarmall Super A