Head to head · Row Crop

Allis Chalmers D17 vs International Harvester 645

Allis Chalmers D17 Tractor
Allis ChalmersModel A

Allis Chalmers D17

Row Crop

power
63 hp
displacement
226 ci
Cylinders
4
Forward gears
8
Full D17 specs
Image not recorded
International HarvesterModel B

International Harvester 645

Agricultural

power
66 hp
displacement
206 ci
Cylinders
4
Forward gears
Not recorded
Full 645 specs
Allis ChalmersAllis Chalmers D17
vs
International HarvesterInternational Harvester 645

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 645 higher · +3 hp (+5%)
D1763 hp
64566 hp
Median Row Crop Tractor138 hp

D17 is in the 9th percentile; 645 is in the 10th · 1,206 models

Engine Displacement

▲ D17 higher · +20 ci (+10%)
D17226 ci
645206 ci
Median Row Crop Tractor391 ci

D17 is in the 11th percentile; 645 is in the 10th · 1,409 models

Cylinders

= Effectively tied
D174
6454
Median Row Crop Tractor6

D17 is in the 17th percentile; 645 is in the 17th · 1,417 models

Operating Weight

▲ 645 higher · +3,485 lb (+75%)
D174,675 lb
6458,160 lb
Median Row Crop Tractor12,307 lb

D17 is in the 7th percentile; 645 is in the 21st · 1,350 models

D17 (A)645 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D17International Harvester 645Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelD17645—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D17International Harvester 645Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelAllis-Chalmers 3.7L 4-cyl gasolineD-206—
Power Output63hp66hp▲ 645+3 hp · +5%
Rated RPM1,650RPM2,180RPM▲ 645+530 RPM · +32%
Cylinders44Same
Displacement226ci206ci▲ D17+20 ci · +10%
Bore4in3.9in▲ D17+0.1 in · +3%
Stroke4.5in4.4in▲ D17+0.1 in · +2%

Transmission

SpecAllis Chalmers D17International Harvester 645Difference
TypePartial Power ShiftNot recorded—

Dimensions & Weight

SpecAllis Chalmers D17International Harvester 645Difference
Length140in139in▲ D17+1 in · <1%
Width76.4in75.6in▲ D17+0.8 in · +1%
Height80.7in88.6in▲ 645+7.9 in · +10%
Operating Weight4,675lb8,160lb▲ 645+3,485 lb · +75%

Hydraulics

SpecAllis Chalmers D17International Harvester 645Difference
System TypeOpen CenterNot recorded—
Steering TypeManualNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D17International Harvester 645Difference
TypeLiveNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D17International Harvester 645Difference
Hitch TypeSnap-CouplerCategory II—
Hitch CategoryIICategory 3—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D17International Harvester 645Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualNot recorded—

Electrical

SpecAllis Chalmers D17International Harvester 645Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D17International Harvester 645Difference
Coolant3.6galNot recorded—

Operator Station

SpecAllis Chalmers D17International Harvester 645Difference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 9th percentile (63 hp)B · 10th percentile (66 hp)

Engine Displacement

median 391 ci
A · 11th percentile (226 ci)B · 10th percentile (206 ci)

Cylinders

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

Operating Weight

median 12,307 lb
A · 7th percentile (4,675 lb)B · 21st percentile (8,160 lb)

Length

median 180 in
A · 11th percentile (140 in)B · 11th percentile (139 in)
A · D17B · 645Median Row Crop Tractor
Full spec pageAllis Chalmers D17Full spec pageInternational Harvester 645