Head to head · Row Crop

Allis Chalmers WC (1938-1948) vs Yanmar YM187

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
YanmarModel B

Yanmar YM187

Utility

power
18 hp
displacement
53.6 ci
Cylinders
3
Forward gears
9
Full YM187 specs
Allis ChalmersAllis Chalmers WC (1938-1948)
vs
YanmarYanmar YM187

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
WC (1938-1948)18 hp
YM18718 hp
Median Row Crop Tractor138 hp

WC (1938-1948) is in the 1st percentile; YM187 is in the 1st · 1,206 models

Engine Displacement

▲ WC (1938-1948) higher · +147 ci (+275%)
WC (1938-1948)201 ci
YM18753.6 ci
Median Row Crop Tractor391 ci

WC (1938-1948) is in the 8th percentile; YM187 is in the 1st · 1,409 models

Cylinders

▲ WC (1938-1948) higher · +1 (+33%)
WC (1938-1948)4
YM1873
Median Row Crop Tractor6

WC (1938-1948) is in the 17th percentile; YM187 is in the 2nd · 1,417 models

Forward Gears

▲ YM187 higher · +5 (+125%)
WC (1938-1948)4
YM1879
Median Row Crop Tractor16

WC (1938-1948) is in the 4th percentile; YM187 is in the 20th · 1,200 models

WC (1938-1948) (A)YM187 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
ManufacturerAllis ChalmersYanmar—
ModelWC (1938-1948)YM187—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
ManufacturerAllis-ChalmersYanmar—
ModelNot recorded3T72HA-N—
Power Output18hp18hpSame
Rated RPM1,300RPM2,600RPM▲ YM187+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%
Stroke4in2.9in▲ WC (1938-1948)+1.1 in · +38%

Transmission

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
TypeNon-synchronized Gear TypeThree-speed power shift—

Dimensions & Weight

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
Length136in107in▲ WC (1938-1948)+29 in · +27%
Width76in50in▲ WC (1938-1948)+26 in · +52%
Height63in84.9in▲ YM187+21.9 in · +35%
Operating Weight3,792lb1,523lb▲ WC (1938-1948)+2,269 lb · +149%

Hydraulics

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
TypeTransmissionOptional Transmission or Live PTO—
Speed 1535rpm540rpm▲ YM187+5 rpm · <1%
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
Hitch CategoryNot recordedI—

Chassis & Drive

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualManualSame
Brake TypeDifferential hand-operated mechanical drumNot recorded—

Electrical

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
Coolant3.5gal1.1gal▲ WC (1938-1948)+2.4 gal · +218%

Operator Station

SpecAllis Chalmers WC (1938-1948)Yanmar YM187Difference
TypeOpen operator stationNot recorded—

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 · 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 (1,523 lb)
A · WC (1938-1948)B · YM187Median Row Crop Tractor
Full spec pageAllis Chalmers WC (1938-1948)Full spec pageYanmar YM187