Head to head · Row Crop

Allis Chalmers WC (1938-1948) vs Shibaura SP1840

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
ShibauraModel B

Shibaura SP1840

Sub-Compact

power
17.8 hp
displacement
53.6 ci
Cylinders
3
Forward gears
9
Full SP1840 specs
Allis ChalmersAllis Chalmers WC (1938-1948)
vs
ShibauraShibaura SP1840

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ WC (1938-1948) higher · +0.2 hp (+1%)
WC (1938-1948)18 hp
SP184017.8 hp
Median Row Crop Tractor138 hp

WC (1938-1948) is in the 1st percentile; SP1840 is in the 1st · 1,206 models

Engine Displacement

▲ WC (1938-1948) higher · +147 ci (+275%)
WC (1938-1948)201 ci
SP184053.6 ci
Median Row Crop Tractor391 ci

WC (1938-1948) is in the 8th percentile; SP1840 is in the 1st · 1,409 models

Cylinders

▲ WC (1938-1948) higher · +1 (+33%)
WC (1938-1948)4
SP18403
Median Row Crop Tractor6

WC (1938-1948) is in the 17th percentile; SP1840 is in the 2nd · 1,417 models

Forward Gears

▲ SP1840 higher · +5 (+125%)
WC (1938-1948)4
SP18409
Median Row Crop Tractor16

WC (1938-1948) is in the 4th percentile; SP1840 is in the 20th · 1,200 models

WC (1938-1948) (A)SP1840 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
ManufacturerAllis ChalmersShibaura—
ModelWC (1938-1948)SP1840—
CategoryRow CropSub-Compact—

Engine

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
ManufacturerAllis-ChalmersShibaura—
ModelNot recordedS723—
Power Output18hp17.8hp▲ WC (1938-1948)+0.2 hp · +1%
Rated RPM1,300RPM2,600RPM▲ SP1840+1,300 RPM · +100%
Cylinders43▲ WC (1938-1948)+1 · +33%
Displacement201ci53.6ci▲ WC (1938-1948)+147 ci · +275%
Bore4in2.8in▲ WC (1938-1948)+1.2 in · +43%
Stroke4in2.8in▲ WC (1938-1948)+1.2 in · +43%

Transmission

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
TypeNon-synchronized Gear TypeSynchromesh, Creeper—

Dimensions & Weight

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
Length136in87.2in▲ WC (1938-1948)+48.8 in · +56%
Width76in39.8in▲ WC (1938-1948)+36.2 in · +91%
Height63in48.2in▲ WC (1938-1948)+14.8 in · +31%
Operating Weight3,792lb1,279lb▲ WC (1938-1948)+2,513 lb · +196%

Hydraulics

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
System TypeNot recordedOpen Center—
Steering TypeManualNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
TypeTransmissionNot recorded—
Speed 1535rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
Hitch CategoryNot recordedCategory 3—

Chassis & Drive

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualNot recorded—
Brake TypeDifferential hand-operated mechanical drumNot recorded—

Electrical

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
Starter TypeElectricElectric Starter—

Capacities

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
Coolant3.5gal0.9gal▲ WC (1938-1948)+2.7 gal · +338%

Operator Station

SpecAllis Chalmers WC (1938-1948)Shibaura SP1840Difference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 1st percentile (18 hp)B · 1st percentile (17.8 hp)

Engine Displacement

median 391 ci
A · 8th percentile (201 ci)B · 1st percentile (53.6 ci)

Cylinders

median 6
A · 17th percentile (4)B · 2nd percentile (3)

Forward Gears

median 16
A · 4th percentile (4)B · 20th percentile (9)

Operating Weight

median 12,307 lb
A · 4th percentile (3,792 lb)B · 1st percentile (1,279 lb)
A · WC (1938-1948)B · SP1840Median Row Crop Tractor
Full spec pageAllis Chalmers WC (1938-1948)Full spec pageShibaura SP1840