Head to head · Row Crop

Allis Chalmers WC (1938-1948) vs John Deere A (1939-1947)

Image not recorded
Allis ChalmersModel A

Allis Chalmers WC (1938-1948)

Row Crop

power
18 hp
displacement
201 ci
Cylinders
4
Forward gears
4
Full WC (1938-1948) specs
Image not recorded
John DeereModel B

John Deere A (1939-1947)

Row Crop

power
18 hp
displacement
309 ci
Cylinders
2
Forward gears
6
Full A (1939-1947) specs
Allis ChalmersAllis Chalmers WC (1938-1948)
vs
John DeereJohn Deere A (1939-1947)

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
WC (1938-1948)18 hp
A (1939-1947)18 hp
Median Row Crop Tractor138 hp

WC (1938-1948) is in the 1st percentile; A (1939-1947) is in the 1st · 1,206 models

Engine Displacement

▲ A (1939-1947) higher · +108 ci (+54%)
WC (1938-1948)201 ci
A (1939-1947)309 ci
Median Row Crop Tractor391 ci

WC (1938-1948) is in the 8th percentile; A (1939-1947) is in the 33rd · 1,409 models

Cylinders

▲ WC (1938-1948) higher · +2 (+100%)
WC (1938-1948)4
A (1939-1947)2
Median Row Crop Tractor6

WC (1938-1948) is in the 17th percentile; A (1939-1947) is in the 1st · 1,417 models

Forward Gears

▲ A (1939-1947) higher · +2 (+50%)
WC (1938-1948)4
A (1939-1947)6
Median Row Crop Tractor16

WC (1938-1948) is in the 4th percentile; A (1939-1947) is in the 11th · 1,200 models

WC (1938-1948) (A)A (1939-1947) (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
ManufacturerAllis ChalmersJohn Deere—
ModelWC (1938-1948)A (1939-1947)—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
ManufacturerAllis-ChalmersJohn Deere—
ModelNot recordedJohn Deere—
Power Output18hp18hpSame
Rated RPM1,300RPM975RPM▲ WC (1938-1948)+325 RPM · +33%
Cylinders42▲ WC (1938-1948)+2 · +100%
Displacement201ci309ci▲ A (1939-1947)+108 ci · +54%
Bore4in5.5in▲ A (1939-1947)+1.5 in · +38%
Stroke4in6.5in▲ A (1939-1947)+2.5 in · +63%

Transmission

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
TypeNon-synchronized Gear TypeUnsynchronized gear—

Dimensions & Weight

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
Length136in134in▲ WC (1938-1948)+2 in · +1%
Width76in86.2in▲ A (1939-1947)+10.2 in · +13%
Height63in63.8in▲ A (1939-1947)+0.8 in · +1%
Operating Weight3,792lb4,597lb▲ A (1939-1947)+805 lb · +21%

Hydraulics

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
TypeTransmissionTransmission PTO—
Speed 1535rpm540rpm▲ A (1939-1947)+5 rpm · <1%

Chassis & Drive

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeDifferential hand-operated mechanical drumDifferential mechanical expanding shoe—

Electrical

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
Starter TypeElectricManual—

Capacities

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
Coolant3.5gal9.5gal▲ A (1939-1947)+6 gal · +171%

Operator Station

SpecAllis Chalmers WC (1938-1948)John Deere A (1939-1947)Difference
TypeOpen operator stationOpen—

Category context

Both models against the field

Engine Power

median 138 hp
A · 1st percentile (18 hp)B · 1st percentile (18 hp)

Engine Displacement

median 391 ci
A · 8th percentile (201 ci)B · 33rd percentile (309 ci)

Cylinders

median 6
A · 17th percentile (4)B · 1st percentile (2)

Forward Gears

median 16
A · 4th percentile (4)B · 11th percentile (6)

Operating Weight

median 12,307 lb
A · 4th percentile (3,792 lb)B · 7th percentile (4,597 lb)
A · WC (1938-1948)B · A (1939-1947)Median Row Crop Tractor
Full spec pageAllis Chalmers WC (1938-1948)Full spec pageJohn Deere A (1939-1947)