Head to head · Row Crop

Allis Chalmers D15 Series I vs CaseIH Farmall 40A Series II

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
Allis ChalmersAllis Chalmers D15 Series I
vs
CaseIHCaseIH Farmall 40A Series II

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
D15 Series I40 hp
Farmall 40A Series II40 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; Farmall 40A Series II is in the 4th · 1,206 models

Engine Displacement

▲ D15 Series I higher · +34 ci (+30%)
D15 Series I149 ci
Farmall 40A Series II115 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; Farmall 40A Series II is in the 2nd · 1,409 models

Cylinders

▲ D15 Series I higher · +1 (+33%)
D15 Series I4
Farmall 40A Series II3
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; Farmall 40A Series II is in the 2nd · 1,417 models

Forward Gears

▲ Farmall 40A Series II higher · +4 (+50%)
D15 Series I8
Farmall 40A Series II12
Median Row Crop Tractor16

D15 Series I is in the 16th percentile; Farmall 40A Series II is in the 27th · 1,200 models

D15 Series I (A)Farmall 40A Series II (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
ManufacturerAllis ChalmersCaseIH—
ModelD15 Series IFarmall 40A Series II—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
ManufacturerAllis ChalmersLS Mtron—
ModelAllis ChalmersL3C19-T—
Power Output40hp40hpSame
Rated RPM2,000RPM2,600RPM▲ Farmall 40A Series II+600 RPM · +30%
Cylinders43▲ D15 Series I+1 · +33%
Displacement149ci115ci▲ D15 Series I+34 ci · +30%
Bore3.5in3.5inSame
Stroke3.9in4.1in▲ Farmall 40A Series II+0.2 in · +5%

Transmission

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
TypePartial Power ShiftMechanical Shuttle & Hydrostatic—

Dimensions & Weight

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
Length130in145in▲ Farmall 40A Series II+15 in · +12%
Width66.9in66.5in▲ D15 Series I+0.4 in · <1%
Height79.9in88.2in▲ Farmall 40A Series II+8.3 in · +10%
Operating Weight3,990lb3,067lb▲ D15 Series I+923 lb · +30%

Hydraulics

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
System TypeNot recordedOpen Center—
Steering TypeManualNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
TypeLiveNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
Hitch TypeSnap-CouplerNot recorded—
Hitch CategoryII/II—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
Chassis Type4x2 2WD4WD—
Drive Type2WD4-Wheel Drive—
Steering TypeManualNot recorded—
Brake TypeExpanding shoeNot recorded—

Electrical

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
Coolant2.8galNot recorded—

Operator Station

SpecAllis Chalmers D15 Series ICaseIH Farmall 40A Series IIDifference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

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

Engine Displacement

median 391 ci
A · 4th percentile (149 ci)B · 2nd percentile (115 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 5th percentile (3,990 lb)B · 2nd percentile (3,067 lb)
A · D15 Series IB · Farmall 40A Series IIMedian Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageCaseIH Farmall 40A Series II