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Years in Production / 1978–1981
International Harvester
3388
Explore the specifications, hardware, and original references for the International Harvester 3388.

145hp
Engine estimate · from PTO
4x4 Only
Drive
1978–1981
Production years
International Harvester
Manufacturer
3388 / 01
At a glance
Overview
1978 - 1981
30 2+2 Series
Four-wheel Drive (4WD) tractor
Production
Four-wheel Drive (4WD) tractor
Original price was $45,680 in 1981
- Manufacturer
- International Harvester
- Total Built
- 2,146
Mechanical
Four-wheel drive
Hydraulic wet disc brakes
Cab standard
- Steering
- hydrostatic power
Hydraulics
- Type
- closed center
- Valves
- 2
- Pump Flow
- 12 gpm45.4 lpm
Hitch
- Rear Type
- III
Pto
- Rear Pto
- independent
- Rear Type
- 540/1000
- Engine Rpm
- 540@2100
- Engine Rpm
- 1000@2100
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 72
- Charging Amps
- 100 OptOptional
- Batteries
- 2
- Battery Volts
- 12
3388 / 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
- Air Cleaner
- dual paper elements
- Rated Rpm
- 2400
- Idle Rpm
- 780-2645
- 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
- Fuel Tank
- 90 gal340.7 L
3388 / 03
Gears & controls
Transmission
Four gears (1-4) in two ranges (low-high) with two-range power shift between direct-drive and Torque Amplifier.
- Transmission
- Torque Amplifier
- Transmission Type
- two-range power shift
- Gears
- 16 forward and 8 reverse
- Clutch
- 356mm dry disc
International Harvester3388 Transmission
16-speed two-range power shift
3388 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 227 in576 cm
- Width
- 101.6 in258 cm
- Height (cab)
- 114.7 in291 cm
- Wheelbase
- 110 in279 cm
Dimensions And Tires
- Wheelbase
- 110 inches279 cm
- Weight
- 16340 to 17420 pounds
- 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 3388 videos from their original YouTube creators.
3388 / 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