International Harvester 3788

Last Updated: June 2024

Overview

The International Harvester 3788 is a 4WD tractor manufactured by International Harvester from 1980 to 1981. This model falls under the company's 30 2+2 series of tractors, designed for a variety of agricultural tasks. It is equipped with a robust International Harvester DT-466B six-cylinder diesel engine with a displacement of 466 cubic inches, capable of producing 146 horsepower at a rated RPM of 2500. The tractor features a two-range power shift transmission with 12 forward and 6 reverse gears, hydrostatic power steering, hydraulic wet disc brakes, and a standard cab operator station. It has a three-point hitch with Category 3 classification at the rear, and it uses an independent 1000 RPM PTO. With dimensions of 228 inches in length, 101.6 inches in width, and a height of 115.7 inches, the tractor offers a sturdy presence in the field. Its operating weight stands at 18620 pounds, reinforcing its capability to tackle substantial payloads and demanding farm operations.
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Key Specifications

Category: Utility, Four-Wheel Drive

Power Output: 146

Transmission: Two-range power shift

Drive Type: 4WD

Operating Weight: 18620

Fuel Type: Diesel

International Harvester 3788 vs. Similar Tractors

Power Output
Excellent
Greater than 90% of similar tractors.
Operating Weight
Average
Greater than 69% of similar tractors.

Technical Specifications

Engine

Manufacturer
International Harvester
Model
DT-466B
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
6
Displacement (ci)
466
Bore (in)
4.3
Stroke (in)
5.35
Rated RPM
2500
Power Output (hp)
146

Transmission

Type
Two-range power shift
Forward Gears
12
Reverse Gears
6
Total Gears
-

Dimensions

Length (in)
228
Width (in)
101.6
Height (in)
115.7
Operating Weight (lb)
18620

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
1000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 articulated 4WD
Drive Type
4WD
Steering Type
Hydrostatic power
Coolant Capacity (qts)
34
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1981
Hitch Type
Three-Point Hitch
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Cab (standard)
Starter Type
Electric
Brake Type
Hydraulic wet disc
Hydraulic System Type
Closed center