Head to head · Row Crop

Allis Chalmers D15 Series I vs International Harvester D-439

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
International HarvesterModel B

International Harvester D-439

Sub-Compact

power
39 hp
displacement
149 ci
Cylinders
4
Forward gears
Not recorded
Full D-439 specs
Allis ChalmersAllis Chalmers D15 Series I
vs
International HarvesterInternational Harvester D-439

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D15 Series I higher · +1 hp (+3%)
D15 Series I40 hp
D-43939 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; D-439 is in the 4th · 1,206 models

Engine Displacement

= Effectively tied
D15 Series I149 ci
D-439149 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; D-439 is in the 4th · 1,409 models

Cylinders

= Effectively tied
D15 Series I4
D-4394
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; D-439 is in the 17th · 1,417 models

Operating Weight

▲ D15 Series I higher · +496 lb (+14%)
D15 Series I3,990 lb
D-4393,494 lb
Median Row Crop Tractor12,307 lb

D15 Series I is in the 5th percentile; D-439 is in the 3rd · 1,350 models

D15 Series I (A)D-439 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelD15 Series ID-439—
CategoryRow CropSub-Compact—

Engine

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelAllis ChalmersDD-148—
Power Output40hp39hp▲ D15 Series I+1 hp · +3%
Rated RPM2,000RPM1,900RPM▲ D15 Series I+100 RPM · +5%
Cylinders44Same
Displacement149ci149ciSame
Bore3.5in3.4in▲ D15 Series I+0.1 in · +3%
Stroke3.9in4in▲ D-439+0.1 in · +3%

Transmission

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
TypePartial Power ShiftAgriomatic—

Dimensions & Weight

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
Length130in115in▲ D15 Series I+15 in · +13%
Width66.9in64.6in▲ D15 Series I+2.3 in · +4%
Height79.9in61.5in▲ D15 Series I+18.4 in · +30%
Operating Weight3,990lb3,494lb▲ D15 Series I+496 lb · +14%

Hydraulics

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
Steering TypeManualNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
TypeLiveNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
Hitch TypeSnap-CouplerThree-Point Hitch—
Hitch CategoryII/III/ISame
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualNot recorded—
Brake TypeExpanding shoeNot recorded—

Electrical

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
Battery VoltageNot recorded12V—
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
Coolant2.8gal3.7gal▲ D-439+0.9 gal · +32%

Operator Station

SpecAllis Chalmers D15 Series IInternational Harvester D-439Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 4th percentile (40 hp)B · 4th percentile (39 hp)

Engine Displacement

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

Cylinders

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

Operating Weight

median 12,307 lb
A · 5th percentile (3,990 lb)B · 3rd percentile (3,494 lb)

Length

median 180 in
A · 6th percentile (130 in)B · 2nd percentile (115 in)
A · D15 Series IB · D-439Median Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageInternational Harvester D-439