Head to head · Row Crop

Allis Chalmers D15 Series I vs Thieman Harvester Thieman

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
Thieman HarvesterModel B

Thieman Harvester Thieman

Standard Tread

power
40 hp
displacement
201 ci
Cylinders
4
Forward gears
3
Full Thieman specs
Allis ChalmersAllis Chalmers D15 Series I
vs
Thieman HarvesterThieman Harvester Thieman

How they compare

Headline specs vs. the whole Row Crop

n = 1,200–1,417

Engine Power

= Effectively tied
D15 Series I40 hp
Thieman40 hp
Median Row Crop Tractor138 hp

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

Engine Displacement

▲ Thieman higher · +52 ci (+35%)
D15 Series I149 ci
Thieman201 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; Thieman is in the 8th · 1,409 models

Cylinders

= Effectively tied
D15 Series I4
Thieman4
Median Row Crop Tractor6

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

Forward Gears

▲ D15 Series I higher · +5 (+167%)
D15 Series I8
Thieman3
Median Row Crop Tractor16

D15 Series I is in the 16th percentile; Thieman is in the 1st · 1,200 models

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

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
ManufacturerAllis ChalmersThieman Harvester—
ModelD15 Series IThieman—
CategoryRow CropStandard Tread—

Engine

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
ManufacturerAllis ChalmersFord—
ModelAllis ChalmersModel A—
Power Output40hp40hpSame
Rated RPM2,000RPM2,200RPM▲ Thieman+200 RPM · +10%
Cylinders44Same
Displacement149ci201ci▲ Thieman+52 ci · +35%
Bore3.5in3.9in▲ Thieman+0.4 in · +11%
Stroke3.9in4.3in▲ Thieman+0.4 in · +10%

Transmission

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
TypePartial Power ShiftGear—

Dimensions & Weight

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
Length130inNot recorded—
Width66.9inNot recorded—
Height79.9inNot recorded—
Operating Weight3,990lbNot recorded—

Hydraulics

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
TypeLiveNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
Hitch TypeSnap-CouplerNot recorded—
Hitch CategoryII/INot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeExpanding shoeNot recorded—

Electrical

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
Coolant2.8galNot recorded—

Operator Station

SpecAllis Chalmers D15 Series IThieman Harvester ThiemanDifference
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 · 8th percentile (201 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 1st percentile (3)
A · D15 Series IB · ThiemanMedian Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageThieman Harvester Thieman