International Harvester 3788 tractor specifications

1980 - 1981

1980 - 1981 30 2+2 SeriesFour-wheel Drive (4WD) tractor

Series:

Series:3588 ← 37886788 ↓

1978 - 1981

30 2+2 Series

Four-wheel Drive (4WD) tractor

Series:

Series:	3388 ←	3588	→ 3788
		6588 ↓

Production

Production
Manufacturer:	International Harvester
Type:	Four-wheel Drive (4WD) tractor
Total built:	5,643
Original price:	$51,300 (1981 )

International Harvester 3588 Power

International Harvester 3588 Power
Drawbar (claimed):	130 hp 96.9 kW
PTO (claimed):	150.41 hp 112.2 kW
Drawbar (tested):	126.15 hp 94.1 kW
PTO (tested):	150.41 hp 112.2 kW
power test details ...

International Harvester 3588 Engine

International Harvester 3588 Engine
International Harvester 7.6L 6-cyl diesel
Fuel tank:	90 gal 340.7 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x4 articulated 4WD
Brakes:	hydraulic wet disc
Cab:	Cab standard
Transmission:	16-speed two-range power shift
Transmission details ...

Hydraulics

Hydraulics
Type:	closed center
Valves:	2
Pump flow:	12 gpm 45.4 lpm

Tractor hitch

Tractor hitch
Rear Type:	III

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	1000
Engine RPM:	1000@2100

Dimensions & Tires

Dimensions & Tires
Wheelbase:	110 inches 279 cm
Weight:	16520 to 17620 pounds
Front tire:	18.4-38
Rear tire:	18.4-38
Full dimensions and tires ...

3588 Serial Numbers

3588 Serial Numbers
Location:	Ahead of rear axle on right side.
1978:	8801
1979:	8844
1980:	11797
1981:	13561
how to read serial numbers...

Electrical

Electrical
Ground:	negative
Charging system:	alternator
Charging amps:	72
	100*Optional
Batteries:	2
Battery volts:	12

Production

Production Manufacturer:International Harvester
Type:Four-wheel Drive (4WD) tractor
Total built:2,496
Original price:$57,000 (1981 )

International Harvester 3788 Power

International Harvester 3788 Power Drawbar (claimed):146 hp
108.9 kW
PTO (claimed):170.57 hp
127.2 kW
Drawbar (tested):142.05 hp
105.9 kW
PTO (tested):170.57 hp
127.2 kW
power test details ...

1980 - 1981

30 2+2 Series

Four-wheel Drive (4WD) tractor

Series:

Series:	3588 ←	3788
		6788 ↓

Nebraska Tractor Test 1377

Nebraska Tractor Test 1377
Diesel 12-speed 4WD November 5 - 17, 1980 Link: Nebraska Tractor Test 1377 file
PTO performance
Power at rated engine speed:	170.57 hp 127.2 kW
Fuel use:	10.9 gal/hour 41.3 l/hour
Power at rated PTO speed:	166.39 hp 124.1 kW
Fuel use:	9.7 gal/hour 36.7 l/hour
Drawbar performance
Max power:	142.05 hp 105.9 kW
Fuel use:	10.7 gal/hour 40.5 l/hour
Gear 3-Low-Direct used for power test.
Max pull:	19069 lbs 8649 kg
Gear 1-Low-Direct used for pull test.

International Harvester 3788 Engine

International Harvester 3788 Engine International Harvester 7.6L 6-cyl diesel Fuel tank:90 gal
340.7 L
Engine details ...

1980 - 1981

30 2+2 Series

Four-wheel Drive (4WD) tractor

Series:

Series:	3588 ←	3788
		6788 ↓

Engine Detail

Engine Detail
International Harvester DT-466B
turbocharged diesel
6-cylinder
liquid-cooled
Displacement:	466 ci 7.6 L
Bore/Stroke:	4.30x5.35 inches 109 x 136 mm
Rated RPM:	2500
Idle RPM:	780-2750
Starter volts:	12
Oil capacity:	20 qts 18.9 L
Coolant capacity:	34 qts 32.2 L

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Steering:hydrostatic power
Brakes:hydraulic wet disc
Cab:Cab standard
Transmission:12-speed two-range power shift
Transmission details ...

1980 - 1981

30 2+2 Series

Four-wheel Drive (4WD) tractor

Series:

Series:	3588 ←	3788
		6788 ↓

Transmission

Transmission
Transmission:	Torque Amplifier
Type:	two-range power shift
Gears:	12 forward and 6 reverse
Clutch:	356mm hydraulic dry disc

Speeds

Speeds
With 18.4-38 rear tires.

Hydraulics

Hydraulics Type:closed center
Valves:2
Pump flow:12 gpm
45.4 lpm

Tractor hitch

Tractor hitch Rear Type:III

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000
Engine RPM:1000@2100

Dimensions & Tires

Dimensions & Tires Wheelbase:110 inches
279 cm
Weight:16520 to 18620 pounds
Front tire:18.4-38
Rear tire:18.4-38
Full dimensions and tires ...

1980 - 1981

30 2+2 Series

Four-wheel Drive (4WD) tractor

Series:

Series:	3588 ←	3788
		6788 ↓

International Harvester 3788 Tires

International Harvester 3788 Tires
Ag front:	18.4-38
Ag rear:	18.4-38

Dimensions

Dimensions
Wheelbase:	110 inches 279 cm
Length:	228 inches 579 cm
Width:	101.6 inches 258 cm
Height (cab):	115.8 inches 294 cm
Clearance (front axle):	23.2 inches 58 cm
Clearance (rear axle):	26.7 inches 67 cm