Head to head · Row Crop

Allis Chalmers D15 Series I vs Shibaura ST440

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
ShibauraModel B

Shibaura ST440

Utility

power
40 hp
displacement
122 ci
Cylinders
4
Forward gears
12
Full ST440 specs
Allis ChalmersAllis Chalmers D15 Series I
vs
ShibauraShibaura ST440

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
D15 Series I40 hp
ST44040 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; ST440 is in the 4th · 1,206 models

Engine Displacement

▲ D15 Series I higher · +27 ci (+22%)
D15 Series I149 ci
ST440122 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; ST440 is in the 2nd · 1,409 models

Cylinders

= Effectively tied
D15 Series I4
ST4404
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; ST440 is in the 17th · 1,417 models

Forward Gears

▲ ST440 higher · +4 (+50%)
D15 Series I8
ST44012
Median Row Crop Tractor16

D15 Series I is in the 16th percentile; ST440 is in the 27th · 1,200 models

D15 Series I (A)ST440 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IShibaura ST440Difference
ManufacturerAllis ChalmersShibaura—
ModelD15 Series IST440—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D15 Series IShibaura ST440Difference
ManufacturerAllis ChalmersShibaura—
ModelAllis ChalmersN844—
Power Output40hp40hpSame
Rated RPM2,000RPM2,600RPM▲ ST440+600 RPM · +30%
Cylinders44Same
Displacement149ci122ci▲ D15 Series I+27 ci · +22%
Bore3.5in3.3in▲ D15 Series I+0.2 in · +6%
Stroke3.9in3.5in▲ D15 Series I+0.4 in · +11%

Transmission

SpecAllis Chalmers D15 Series IShibaura ST440Difference
TypePartial Power ShiftSynchromesh—

Dimensions & Weight

SpecAllis Chalmers D15 Series IShibaura ST440Difference
Length130in126in▲ D15 Series I+4 in · +3%
Width66.9in63.4in▲ D15 Series I+3.5 in · +6%
Height79.9in96.5in▲ ST440+16.6 in · +21%
Operating Weight3,990lb3,219lb▲ D15 Series I+771 lb · +24%

Hydraulics

SpecAllis Chalmers D15 Series IShibaura ST440Difference
Steering TypeManualFull hydraulic power—

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IShibaura ST440Difference
TypeLiveIndependent with multi-discs wet type clutch—
Speed 1540rpm540rpmSame
Speed 2Not recorded791rpm—

Hitch & Towing

SpecAllis Chalmers D15 Series IShibaura ST440Difference
Hitch TypeSnap-CouplerThree-point hitch—
Hitch CategoryII/II—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D15 Series IShibaura ST440Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WDMFWD—
Steering TypeManualFull hydraulic power—
Brake TypeExpanding shoeWet disc—

Electrical

SpecAllis Chalmers D15 Series IShibaura ST440Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15 Series IShibaura ST440Difference
Coolant2.8gal1.5gal▲ D15 Series I+1.3 gal · +87%

Operator Station

SpecAllis Chalmers D15 Series IShibaura ST440Difference
TypeOpenOpen with 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 · 2nd percentile (122 ci)

Cylinders

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

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 · 3rd percentile (3,219 lb)
A · D15 Series IB · ST440Median Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageShibaura ST440