International Harvester 6388 Specs ( 1981-1984 )

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Production

Description Original price was $61,400 in 1984
Manufacturer International Harvester
Total built 272

Engine

Engine type International Harvester 7.1L 6-cyl diesel
Bore/Stroke 4.30x5.00 inches (109 x 127 mm)
Coolant capacity 34 qts (32.2 L)
Description International Harvester DT 436B / turbocharged diesel / 6-cylinder / liquid-cooled
Displacement 436 ci (7.1 L)
Oil capacity 20 qts (18.9 L)
Power 157 hp (117.1 kW)
Rated RPM 2400
Starter volts 12
Drawbar (claimed) 114 hp (85.0 kW)
Drawbar (tested) 111.75 hp (83.3 kW)
PTO (claimed) 130 hp (96.9 kW)
PTO (tested) 130.61 hp (97.4 kW)

Transmission

Description 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.
Gears 16 forward and 8 reverse
Oil capacity 94.5 qts (89.4 L)
Transmission type 16-speed two-range power shift
Type two-range power shift

Mechanical

Cab Cab standard with burgundy finish, heat, and A/C. Optional western finish interior.
Drive type Four-wheel drive
Steering articulated hydrostatic power

Capacity

Fuel 89 gal (336.9 L)
Hydraulic system 23.6 gal (89.3 L)

Hydraulics

Capacity 23.6 gal (89.3 L)
Pump flow 18 gpm (68.1 lpm)
Steering flow 12 gpm (45.4 lpm)
Type closed center
Valves 2 to 4

Hitch

Rear Type III/II

PTO

Rear PTO independent
Rear PTO Type 540/1000

Dimensions & Tires

Ground clearance 27.3 inches (69 cm)
Length 227 inches (576 cm)
Shipping weight 15960 lbs (7239 kg)
Wheelbase 110 inches (279 cm)
Width 101.61 inches (258 cm)
Front tire 16.9-38
Rear tire 16.9-38
Weight 15960 lbs (7239 kg)
Wheelbase 110 inches (279 cm)
Ag front 16.9-38
Ag rear 16.9-38

6388 Serial Numbers

1981 8801
1982 8962
1983 9060
1984 9241
1985 9361
Description FAQ: How to read a serial number table.
Location: transmission housing, right side

International Harvester 6388 Height

Cab 113 inches (287 cm)
Exhaust 124.3 inches (315 cm)
Hood 78.8 inches (200 cm)

Nebraska Tractor Test 1319

Description Diesel 16-speed 4WDAugust 21 - 27, 1979Link: Nebraska Tractor Test 1319 file / PTO performance / Drawbar performance / Gear 4-Lo-DD used for power test. / Gear 1-Lo-DD used for pull test.
Fuel use 8.4 gal/hour (31.8 l/hour) / 7.6 gal/hour (28.8 l/hour) / 8.3 gal/hour (31.4 l/hour)
Max power 111.75 hp (83.3 kW)
Max pull 16,764 lbs (7604 kg)
Power at rated engine speed 130.61 hp (97.4 kW)
Power at rated PTO speed 128.59 hp (95.9 kW)

References

Description Buyer's Guide 1982 published by International Harvester / 2+2 Tractors 130/150/170 HP published in 1981, by International Harvester

Speeds

Description With 16.9-38 tires.