Head to head · Row Crop

Allis Chalmers D15 Series I vs John Deere 2040 (1972-1979)

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
John DeereJohn Deere 2040 (1972-1979)

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
D15 Series I40 hp
2040 (1972-1979)40 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; 2040 (1972-1979) is in the 4th · 1,206 models

Engine Displacement

▲ 2040 (1972-1979) higher · +15 ci (+10%)
D15 Series I149 ci
2040 (1972-1979)164 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; 2040 (1972-1979) is in the 5th · 1,409 models

Cylinders

▲ D15 Series I higher · +1 (+33%)
D15 Series I4
2040 (1972-1979)3
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; 2040 (1972-1979) is in the 2nd · 1,417 models

Forward Gears

= Effectively tied
D15 Series I8
2040 (1972-1979)8
Median Row Crop Tractor16

D15 Series I is in the 16th percentile; 2040 (1972-1979) is in the 16th · 1,200 models

D15 Series I (A)2040 (1972-1979) (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
ManufacturerAllis ChalmersJohn Deere—
ModelD15 Series I2040 (1972-1979)—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
ManufacturerAllis ChalmersJohn Deere—
ModelAllis ChalmersJohn Deere—
Power Output40hp40hpSame
Rated RPM2,000RPM2,500RPM▲ 2040 (1972-1979)+500 RPM · +25%
Cylinders43▲ D15 Series I+1 · +33%
Displacement149ci164ci▲ 2040 (1972-1979)+15 ci · +10%
Bore3.5in4in▲ 2040 (1972-1979)+0.5 in · +14%
Stroke3.9in4.3in▲ 2040 (1972-1979)+0.4 in · +10%

Transmission

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
TypePartial Power ShiftCollar shift with dry disc clutch—

Dimensions & Weight

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
Length130in131in▲ 2040 (1972-1979)+1 in · <1%
Width66.9in89.4in▲ 2040 (1972-1979)+22.5 in · +34%
Height79.9in52.4in▲ D15 Series I+27.5 in · +52%
Operating Weight3,990lb4,806lb▲ 2040 (1972-1979)+816 lb · +20%

Hydraulics

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
System TypeNot recordedOpen center or closed center—
Steering TypeManualPower—

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
TypeLiveLive with dry disc clutch—
Speed 1540rpm540rpmSame

Hitch & Towing

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
Hitch TypeSnap-CouplerNot recorded—
Hitch CategoryII/II—
Hitch PositionRearNot recorded—
Hitch CapacityNot recorded2,400lb—

Chassis & Drive

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualPower—
Brake TypeExpanding shoeHydraulic wet disc—

Electrical

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
Coolant2.8gal0.7gal▲ D15 Series I+2.1 gal · +300%

Operator Station

SpecAllis Chalmers D15 Series IJohn Deere 2040 (1972-1979)Difference
TypeOpenTwo-post Roll-Gard ROPS—

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 · 5th percentile (164 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 12,307 lb
A · 5th percentile (3,990 lb)B · 7th percentile (4,806 lb)
A · D15 Series IB · 2040 (1972-1979)Median Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageJohn Deere 2040 (1972-1979)