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Years in Production / 1981–1984

International Harvester

6388

Explore the specifications, hardware, and original references for the International Harvester 6388.

Generic tractor; no model photo available
No photo

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