Head to head · Row Crop

Allis Chalmers D15 vs Kubota L3940

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Allis ChalmersModel A

Allis Chalmers D15

Row Crop

power
37.4 hp
displacement
149 ci
Cylinders
4
Forward gears
8
Full D15 specs
Kubota L3940 Tractor
KubotaModel B

Kubota L3940

Utility

power
38.5 hp
displacement
122 ci
Cylinders
4
Forward gears
Not recorded
Full L3940 specs
Allis ChalmersAllis Chalmers D15
vs
KubotaKubota L3940

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ L3940 higher · +1.1 hp (+3%)
D1537.4 hp
L394038.5 hp
Median Row Crop Tractor138 hp

D15 is in the 3rd percentile; L3940 is in the 4th · 1,206 models

Engine Displacement

▲ D15 higher · +27 ci (+22%)
D15149 ci
L3940122 ci
Median Row Crop Tractor391 ci

D15 is in the 4th percentile; L3940 is in the 2nd · 1,409 models

Cylinders

= Effectively tied
D154
L39404
Median Row Crop Tractor6

D15 is in the 17th percentile; L3940 is in the 17th · 1,417 models

Operating Weight

▲ D15 higher · +553 lb (+16%)
D154,036 lb
L39403,483 lb
Median Row Crop Tractor12,307 lb

D15 is in the 6th percentile; L3940 is in the 3rd · 1,350 models

D15 (A)L3940 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15Kubota L3940Difference
ManufacturerAllis ChalmersKubota—
ModelD15L3940—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D15Kubota L3940Difference
ManufacturerAllis ChalmersKubota—
ModelNot recordedV2003—
Power Output37.4hp38.5hp▲ L3940+1.1 hp · +3%
Rated RPM2,000RPM2,700RPM▲ L3940+700 RPM · +35%
Cylinders44Same
Displacement149ci122ci▲ D15+27 ci · +22%
Bore3.5in3.3in▲ D15+0.2 in · +6%
Stroke3.9in3.6in▲ D15+0.3 in · +8%

Transmission

SpecAllis Chalmers D15Kubota L3940Difference
TypePartial power shiftHydrostatic—

Dimensions & Weight

SpecAllis Chalmers D15Kubota L3940Difference
Length130in122in▲ D15+8 in · +7%
Width67in66.5in▲ D15+0.5 in · <1%
Height80.2in97.4in▲ L3940+17.2 in · +21%
Operating Weight4,036lb3,483lb▲ D15+553 lb · +16%

Hydraulics

SpecAllis Chalmers D15Kubota L3940Difference
System TypeNot recordedOpen center—
Steering TypePower-assistedHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers D15Kubota L3940Difference
TypeNot recordedIndependent—
Speed 1Not recorded540rpm—
Speed 2Not recorded2,000rpm—

Hitch & Towing

SpecAllis Chalmers D15Kubota L3940Difference
Hitch TypeSnap-CouplerThree-Point Hitch—
Hitch CategoryII/II—
Hitch PositionRearRearSame
Hitch CapacityNot recorded3,860lb—

Chassis & Drive

SpecAllis Chalmers D15Kubota L3940Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePower-assistedHydrostatic power—
Brake TypeNot recordedWet disc—

Electrical

SpecAllis Chalmers D15Kubota L3940Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15Kubota L3940Difference
Coolant2.8gal2gal▲ D15+0.8 gal · +40%

Operator Station

SpecAllis Chalmers D15Kubota L3940Difference
TypeOpenTwo-post ROPS—

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (37.4 hp)B · 4th percentile (38.5 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)

Operating Weight

median 12,307 lb
A · 6th percentile (4,036 lb)B · 3rd percentile (3,483 lb)

Length

median 180 in
A · 6th percentile (130 in)B · 3rd percentile (122 in)
A · D15B · L3940Median Row Crop Tractor
Full spec pageAllis Chalmers D15Full spec pageKubota L3940