Head to head · Row Crop

International Harvester 3688 vs International Harvester A-866

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International HarvesterModel A

International Harvester 3688

Row Crop

power
113 hp
displacement
436 ci
Cylinders
6
Forward gears
16
Full 3688 specs
International Harvester A-866 Tractor
International HarvesterModel B

International Harvester A-866

Row Crop

power
121 hp
displacement
358 ci
Cylinders
6
Forward gears
16
Full A-866 specs
International HarvesterInternational Harvester 3688
vs
International HarvesterInternational Harvester A-866

How they compare

Headline specs vs. the whole Row Crop

n = 1,200–1,417

Engine Power

▲ A-866 higher · +8 hp (+7%)
3688113 hp
A-866121 hp
Median Row Crop Tractor138 hp

3688 is in the 34th percentile; A-866 is in the 40th · 1,206 models

Engine Displacement

▲ 3688 higher · +78 ci (+22%)
3688436 ci
A-866358 ci
Median Row Crop Tractor391 ci

3688 is in the 75th percentile; A-866 is in the 40th · 1,409 models

Cylinders

= Effectively tied
36886
A-8666
Median Row Crop Tractor6

3688 is in the 50th percentile; A-866 is in the 50th · 1,417 models

Forward Gears

= Effectively tied
368816
A-86616
Median Row Crop Tractor16

3688 is in the 50th percentile; A-866 is in the 50th · 1,200 models

3688 (A)A-866 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecInternational Harvester 3688International Harvester A-866Difference
ManufacturerInternational HarvesterInternational HarvesterSame
Model3688A-866—
CategoryRow CropRow CropSame

Engine

SpecInternational Harvester 3688International Harvester A-866Difference
ManufacturerInternational HarvesterInternational HarvesterSame
ModelD436D-358—
Power Output113hp121hp▲ A-866+8 hp · +7%
Rated RPM2,400RPMNot recorded—
Cylinders66Same
Displacement436ci358ci▲ 3688+78 ci · +22%
Bore4.3in3.9in▲ 3688+0.4 in · +10%
Stroke5in5.1in▲ A-866+0.1 in · +2%

Transmission

SpecInternational Harvester 3688International Harvester A-866Difference
TypePartial power shiftTwo-speed power shift—

Dimensions & Weight

SpecInternational Harvester 3688International Harvester A-866Difference
Length184inNot recorded—
Width102inNot recorded—
Height112inNot recorded—
Operating Weight13,200lbNot recorded—

Hydraulics

SpecInternational Harvester 3688International Harvester A-866Difference
System TypeOpen centerNot recorded—
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecInternational Harvester 3688International Harvester A-866Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—
Speed 21,000rpmNot recorded—

Hitch & Towing

SpecInternational Harvester 3688International Harvester A-866Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIIIII—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecInternational Harvester 3688International Harvester A-866Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerNot recorded—
Brake TypeHydraulic wet discNot recorded—

Electrical

SpecInternational Harvester 3688International Harvester A-866Difference
Starter TypeElectricNot recorded—

Capacities

SpecInternational Harvester 3688International Harvester A-866Difference
Coolant6.5galNot recorded—

Operator Station

SpecInternational Harvester 3688International Harvester A-866Difference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 34th percentile (113 hp)B · 40th percentile (121 hp)

Engine Displacement

median 391 ci
A · 75th percentile (436 ci)B · 40th percentile (358 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 50th percentile (16)B · 50th percentile (16)
A · 3688B · A-866Median Row Crop Tractor
Full spec pageInternational Harvester 3688Full spec pageInternational Harvester A-866