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Tractor · 1978Unverified

International Harvester 3388

Name: International Harvester 3388
Brand: International Harvester

International Harvester 3388 — 30 2+2 Series · 131 hp. Reference specifications; pending source verification.

The International Harvester 3388 is a tractor that produces approximately 131 hp, placing it at the more powerful end of its class. It was manufactured from 1978 to 1981. Key features of the 3388 include a 6-cylinder turbocharged diesel liquid-cooled engine and four-wheel drive with a hydrostatic transmission. The tractor has an operating weight range of 16340 to 17420 pounds and is suitable for operations covering 200-800 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

131 hp

Max power

83.3 kW

Weight

16340 to 17420 pounds

Catalogue coverage

Variants represented

Richest spec table

79 rows

Recorded power

131 hp

Transmissions

16-speed two-range power shift

Production years

1978-1981

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Four-wheel Drive (4WD) tractorReference

Total built2,146Reference

Original price was $45,680 in 1981Reference

Four-wheel driveReference

Steeringhydrostatic powerReference

Hydraulic wet disc brakesReference

Cab standardReference

Engine

International Harvester 7.1L 6-cyl dieselReference

Fuel tank340.7 LReference

Drawbar (tested)83.3 kWReference

International Harvester DT-436BReference

turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.1 LReference

Bore/Stroke109 x 127 mmReference

Air cleanerdual paper elementsReference

Rated RPM2400Reference

Idle RPM780-2645Reference

Starter volts12Reference

Oil capacity18.9 LReference

Coolant capacity32.2 LReference

Power at rated engine speed97.4 kWReference

Max power83.3 kWReference

Transmission

16-speed two-range power shiftReference

TransmissionTorque AmplifierReference

Typetwo-range power shiftReference

Gears16 forward and 8 reverseReference

Clutch356mm dry discReference

Four gears (1-4) in two ranges (low-high) with two-range power shift between direct-drive and Torque Amplifier.Reference

PTO & Hydraulics

PTO (tested)97.4 kWReference

Typeclosed centerReference

Valves2Reference

Pump flow45.4 lpmReference

Rear TypeIIIReference

Rear PTOindependentReference

Rear PTO Type540/1000Reference

Engine RPM540@2100Reference

Engine RPM1000@2100Reference

Power at rated PTO speed95.9 kWReference

Dimensions

Wheelbase279 cmReference

Weight16340 to 17420 poundsReference

Front tire16.9-38Reference

Rear tire16.9-38Reference

Ag front16.9-38Reference

Ag rear16.9-38Reference

Length576 cmReference

Width258 cmReference

Height (cab)291 cmReference

Clearance (front axle)55 cmReference

Clearance (rear axle)65 cmReference

Front axle82 mmReference

Bar rear axle82 mmReference

Shipping7411 kgReference

Operating7901 kgReference

Ballasted8096 kgReference

3388 Serial Numbers

Location:On the rear tractor frame, right side, near axle.Reference

19788801Reference

19798816Reference

198010037Reference

198110714Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps72Reference

Charging amps100Reference

Batteries2Reference

Battery volts12Reference

Capacities

Max capacity9979 kgReference

Test results

Diesel 16-speed 4WDAugust 21 - 27, 1979Link: Nebraska Tractor Test 1319 fileReference

PTO performanceReference

Fuel use31.8 l/hourReference

Fuel use28.8 l/hourReference

Drawbar performanceReference

Fuel use31.4 l/hourReference

Gear 4-Lo-DD used for power test.Reference

Max pull7604 kgReference

Gear 1-Lo-DD used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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