Head to head · Row Crop

Allis Chalmers D15 Series I vs Montana 3940

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
Montana 3940 Tractor
MontanaModel B

Montana 3940

Utility

power
39 hp
displacement
110 ci
Cylinders
4
Forward gears
Not recorded
Full 3940 specs
Allis ChalmersAllis Chalmers D15 Series I
vs
MontanaMontana 3940

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D15 Series I higher · +1 hp (+3%)
D15 Series I40 hp
394039 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; 3940 is in the 4th · 1,206 models

Engine Displacement

▲ D15 Series I higher · +39 ci (+35%)
D15 Series I149 ci
3940110 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; 3940 is in the 1st · 1,409 models

Cylinders

= Effectively tied
D15 Series I4
39404
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; 3940 is in the 17th · 1,417 models

Operating Weight

▲ D15 Series I higher · +1,035 lb (+35%)
D15 Series I3,990 lb
39402,955 lb
Median Row Crop Tractor12,307 lb

D15 Series I is in the 5th percentile; 3940 is in the 2nd · 1,350 models

D15 Series I (A)3940 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IMontana 3940Difference
ManufacturerAllis ChalmersMontana—
ModelD15 Series I3940—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D15 Series IMontana 3940Difference
ManufacturerAllis ChalmersMitsubishi—
ModelAllis ChalmersS4L2—
Power Output40hp39hp▲ D15 Series I+1 hp · +3%
Rated RPM2,000RPM2,700RPM▲ 3940+700 RPM · +35%
Cylinders44Same
Displacement149ci110ci▲ D15 Series I+39 ci · +35%
Bore3.5in3.1in▲ D15 Series I+0.4 in · +13%
Stroke3.9in3.6in▲ D15 Series I+0.3 in · +8%

Transmission

SpecAllis Chalmers D15 Series IMontana 3940Difference
TypePartial Power ShiftHydrostatic—

Dimensions & Weight

SpecAllis Chalmers D15 Series IMontana 3940Difference
Length130in132in▲ 3940+2 in · +2%
Width66.9inNot recorded—
Height79.9in87.5in▲ 3940+7.6 in · +10%
WheelbaseNot recorded66.2in—
Operating Weight3,990lb2,955lb▲ D15 Series I+1,035 lb · +35%

Hydraulics

SpecAllis Chalmers D15 Series IMontana 3940Difference
Steering TypeManualPower—

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IMontana 3940Difference
TypeLiveNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D15 Series IMontana 3940Difference
Hitch TypeSnap-CouplerNot recorded—
Hitch CategoryII/II—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D15 Series IMontana 3940Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypeManualPower—
Brake TypeExpanding shoeNot recorded—

Electrical

SpecAllis Chalmers D15 Series IMontana 3940Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15 Series IMontana 3940Difference
Coolant2.8galNot recorded—

Operator Station

SpecAllis Chalmers D15 Series IMontana 3940Difference
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 · 1st percentile (110 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 · 2nd percentile (2,955 lb)

Length

median 180 in
A · 6th percentile (130 in)B · 7th percentile (132 in)
A · D15 Series IB · 3940Median Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageMontana 3940