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Years in Production / 1981–1984
International Harvester
6388
Explore the specifications, hardware, and original references for the International Harvester 6388.

157hp
Source index power
4x4 Only
Drive
1981–1984
Production years
International Harvester
Manufacturer
6388 / 01
At a glance
Overview
1981 - 1984
60 2+2 Series
Production
Original price was $61,400 in 1984
- Manufacturer
- International Harvester
- Total Built
- 272
Mechanical
Four-wheel drive
Cab standard with burgundy finish, heat, and A/C. Optional western finish interior.
- Steering
- articulated hydrostatic power
Capacity
- Fuel
- 89 gal336.9 L
- Fuel
- 139 gal (optional)526.1 L
- Hydraulic System
- 23.6 gal89.3 L
Hydraulics
- Type
- closed center
- Capacity
- 23.6 gal89.3 L
- Valves
- 2 to 4
- Pump Flow
- 18 gpm68.1 lpm
- Steering Flow
- 12 gpm45.4 lpm
Hitch
- Rear Type
- III/II
Pto
- Rear Pto
- independent
- Rear Type
- 540/1000
6388 / 02
Under the hood
Engine Detail
International Harvester DT 436B
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 436 ci7.1 L
- Bore Stroke
- 4.30x5.00 inches109 x 127 mm
- Power
- 157 hp117.1 kW
- Rated Rpm
- 2400
- Starter Volts
- 12
- Oil Capacity
- 20 qts18.9 L
- Coolant Capacity
- 34 qts32.2 L
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
International Harvester 7.1L 6-cyl diesel
6388 / 03
Gears & controls
Transmission
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.
- Transmission Type
- two-range power shift
- Gears
- 16 forward and 8 reverse
- Oil Capacity
- 94.5 qts89.4 L
- Speeds Description
- With 16.9-38 tires.
International Harvester6388 Transmission
16-speed two-range power shift
6388 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 227 in576 cm
- Width
- 101.61 in258 cm
- Height (cab)
- 113 in287 cm
- Wheelbase
- 110 in279 cm
- Ground clearance
- 27.3 in69 cm
Dimensions And Tires
- Wheelbase
- 110 inches279 cm
- Weight
- 15960 lbs7239 kg
- Front Tire
- 16.9-38
- Rear Tire
- 16.9-38
Tires And Tracks
- Front Ag
- 16.9-38
- Rear Ag
- 16.9-38
See it in action
Videos
Watch International Harvester 6388 videos from their original YouTube creators.
6388 / 06
Tests (NTTL)
Nebraska Tractor Test 1319
Diesel 16-speed 4WDAugust 21 - 27, 1979
PTO performance
Drawbar performance
Gear 4-Lo-DD used for power test.
Gear 1-Lo-DD used for pull test.
- Id
- 1319
- Power At Rated Engine Speed
- 130.61 hp97.4 kW
- Fuel Use
- 8.4 gal/hour31.8 l/hour
- Fuel Use
- 7.6 gal/hour28.8 l/hour
- Fuel Use
- 8.3 gal/hour31.4 l/hour
- Power At Rated Pto Speed
- 128.59 hp95.9 kW
- Max Power
- 111.75 hp83.3 kW
- Max Pull
- 16,764 lbs7604 kg