Tractor · 1981Unverified
International Harvester 6388
International Harvester 6388 — 60 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
7239 kg
Hover a source tag to verify
Overview
ManufacturerInternational HarvesterReference
Total built272Reference
Original price was $61,400 in 1984Reference
Four-wheel driveReference
Steeringarticulated hydrostatic powerReference
Cab standard with burgundy finish, heat, and A/C. Optional western finish interior.Reference
Engine
International Harvester 7.1L 6-cyl dieselReference
Engine117.1 kWReference
Drawbar (claimed)85.0 kWReference
Drawbar (tested)83.3 kWReference
International Harvester DT 436BReference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.1 LReference
Bore/Stroke109 x 127 mmReference
Power117.1 kWReference
Rated RPM2400Reference
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
Typetwo-range power shiftReference
Gears16 forward and 8 reverseReference
Oil capacity89.4 LReference
Left lever selects high, low, or reverse range. Right lever selects gear. On-the-move powershift without the clutch between gear pairs 1/2, 3/4, 5/6, and 7/8. Synchronized shift (with the clutch) from 2-to-3, 4-to-5, and 6-to-7.Reference
PTO & Hydraulics
PTO (claimed)96.9 kWReference
PTO (tested)97.4 kWReference
Hydraulic system89.3 LReference
Typeclosed centerReference
Capacity89.3 LReference
Valves2 to 4Reference
Pump flow68.1 lpmReference
Steering flow45.4 lpmReference
Rear TypeIII/IIReference
Rear PTOindependentReference
Rear PTO Type540/1000Reference
Power at rated PTO speed95.9 kWReference
Capacities
Fuel336.9 LReference
Fuel526.1 LReference
Dimensions
Wheelbase279 cmReference
Weight7239 kgReference
Front tire16.9-38Reference
Rear tire16.9-38Reference
Ag front16.9-38Reference
Ag rear16.9-38Reference
Length576 cmReference
Width258 cmReference
Shipping weight7239 kgReference
Ground clearance69 cmReference
Bar rear axle82 mmReference
6388 Serial Numbers
Location:transmission housing, right sideReference
19818801Reference
19828962Reference
19839060Reference
19849241Reference
19859361Reference
FAQ: How to read a serial number table.Reference
International Harvester 6388 Height
Hood200 cmReference
Cab287 cmReference
Exhaust315 cmReference
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
Speeds
With 16.9-38 tires.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.