Tractor · 1978Unverified
International Harvester 3388
International Harvester 3388 — 30 2+2 Series · 131 hp. Reference specifications; pending source verification.
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
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.