Head to head · Row Crop

Allis Chalmers D15 Series I vs Allis Chalmers WD

Allis Chalmers D15 Series I Tractor
Allis ChalmersModel A

Allis Chalmers D15 Series I

Row Crop

power
40 hp
displacement
149 ci
Cylinders
4
Forward gears
8
Full D15 Series I specs
Image not recorded
Allis ChalmersModel B

Allis Chalmers WD

Row Crop

power
34.6 hp
displacement
201 ci
Cylinders
4
Forward gears
4
Full WD specs
Allis ChalmersAllis Chalmers D15 Series I
vs
Allis ChalmersAllis Chalmers WD

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D15 Series I higher · +5.4 hp (+16%)
D15 Series I40 hp
WD34.6 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; WD is in the 3rd · 1,206 models

Engine Displacement

▲ WD higher · +52 ci (+35%)
D15 Series I149 ci
WD201 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; WD is in the 8th · 1,409 models

Cylinders

= Effectively tied
D15 Series I4
WD4
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; WD is in the 17th · 1,417 models

Forward Gears

▲ D15 Series I higher · +4 (+100%)
D15 Series I8
WD4
Median Row Crop Tractor16

D15 Series I is in the 16th percentile; WD is in the 4th · 1,200 models

D15 Series I (A)WD (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
ManufacturerAllis ChalmersAllis ChalmersSame
ModelD15 Series IWD—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
ManufacturerAllis ChalmersAllis ChalmersSame
ModelAllis ChalmersAllis ChalmersSame
Power Output40hp34.6hp▲ D15 Series I+5.4 hp · +16%
Rated RPM2,000RPM1,659RPM▲ D15 Series I+341 RPM · +21%
Cylinders44Same
Displacement149ci201ci▲ WD+52 ci · +35%
Bore3.5in4in▲ WD+0.5 in · +14%
Stroke3.9in4in▲ WD+0.1 in · +3%

Transmission

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
TypePartial Power ShiftNon-synchronized Gear—

Dimensions & Weight

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
Length130in127in▲ D15 Series I+3 in · +2%
Width66.9inNot recorded—
Height79.9in81.5in▲ WD+1.6 in · +2%
Operating Weight3,990lbNot recorded—

Hydraulics

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
System TypeNot recordedOpen Center—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
TypeLiveOptional Transmission or Live—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
Hitch TypeSnap-CouplerSingle Hitch Point—
Hitch CategoryII/INot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeExpanding shoeManual External Compression Band—

Electrical

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
Coolant2.8gal3.5gal▲ WD+0.7 gal · +25%

Operator Station

SpecAllis Chalmers D15 Series IAllis Chalmers WDDifference
TypeOpenOpenSame

Category context

Both models against the field

Engine Power

median 138 hp
A · 4th percentile (40 hp)B · 3rd percentile (34.6 hp)

Engine Displacement

median 391 ci
A · 4th percentile (149 ci)B · 8th percentile (201 ci)

Cylinders

median 6
A · 17th percentile (4)B · 17th percentile (4)

Forward Gears

median 16
A · 16th percentile (8)B · 4th percentile (4)

Length

median 180 in
A · 6th percentile (130 in)B · 5th percentile (127 in)
A · D15 Series IB · WDMedian Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageAllis Chalmers WD