Head to head · Row Crop

Allis Chalmers WC (1938-1948) vs Yanmar AC-18

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 AC-18

Sub-Compact

power
18 hp
displacement
61.4 ci
Cylinders
3
Forward gears
Not recorded
Full AC-18 specs
Allis ChalmersAllis Chalmers WC (1938-1948)
vs
YanmarYanmar AC-18

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
WC (1938-1948)18 hp
AC-1818 hp
Median Row Crop Tractor138 hp

WC (1938-1948) is in the 1st percentile; AC-18 is in the 1st · 1,206 models

Engine Displacement

▲ WC (1938-1948) higher · +140 ci (+227%)
WC (1938-1948)201 ci
AC-1861.4 ci
Median Row Crop Tractor391 ci

WC (1938-1948) is in the 8th percentile; AC-18 is in the 1st · 1,409 models

Cylinders

▲ WC (1938-1948) higher · +1 (+33%)
WC (1938-1948)4
AC-183
Median Row Crop Tractor6

WC (1938-1948) is in the 17th percentile; AC-18 is in the 2nd · 1,417 models

Operating Weight

▲ WC (1938-1948) higher · +2,370 lb (+167%)
WC (1938-1948)3,792 lb
AC-181,422 lb
Median Row Crop Tractor12,307 lb

WC (1938-1948) is in the 4th percentile; AC-18 is in the 1st · 1,350 models

WC (1938-1948) (A)AC-18 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
ManufacturerAllis ChalmersYanmar—
ModelWC (1938-1948)AC-18—
CategoryRow CropSub-Compact—

Engine

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
ManufacturerAllis-ChalmersYanmar—
ModelNot recorded3TNE74—
Power Output18hp18hpSame
Rated RPM1,300RPM2,600RPM▲ AC-18+1,300 RPM · +100%
Cylinders43▲ WC (1938-1948)+1 · +33%
Displacement201ci61.4ci▲ WC (1938-1948)+140 ci · +227%
Bore4in2.9in▲ WC (1938-1948)+1.1 in · +38%
Stroke4in3.1in▲ WC (1938-1948)+0.9 in · +29%

Transmission

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
TypeNon-synchronized Gear TypeHydrostatic—

Dimensions & Weight

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
Length136in87in▲ WC (1938-1948)+49 in · +56%
Width76in47.2in▲ WC (1938-1948)+28.8 in · +61%
Height63in69.5in▲ AC-18+6.5 in · +10%
Operating Weight3,792lb1,422lb▲ WC (1938-1948)+2,370 lb · +167%

Hydraulics

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
Steering TypeManualNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
TypeTransmissionNot recorded—
Speed 1535rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
Hitch CategoryNot recordedCategory 3—

Chassis & Drive

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualNot recorded—
Brake TypeDifferential hand-operated mechanical drumNot recorded—

Electrical

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
Coolant3.5galNot recorded—

Operator Station

SpecAllis Chalmers WC (1938-1948)Yanmar AC-18Difference
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 (61.4 ci)

Cylinders

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

Operating Weight

median 12,307 lb
A · 4th percentile (3,792 lb)B · 1st percentile (1,422 lb)

Length

median 180 in
A · 9th percentile (136 in)B · 1st percentile (87 in)
A · WC (1938-1948)B · AC-18Median Row Crop Tractor
Full spec pageAllis Chalmers WC (1938-1948)Full spec pageYanmar AC-18