Diesel 12-speed 4WD November 5 - 17, 1980 Link: Nebraska Tractor Test 1377 file PTO performance Drawbar performance Gear 3-Low-Direct used for power test Gear 1-Low-Direct used for pull test
Power at rated engine speed
170.57hp / 127.2kW
Fuel use
10.7gal/hour / 40.5l/hour
Power at rated PTO speed
166.39hp / 124.1kW
Max power
142.05hp / 105.9kW
Max pull
19069lbs / 8649kg
INTERNATIONAL HARVESTER 3788 POWER
Drawbar (claimed)
146hp / 108.9kW
PTO (claimed)
170.57hp / 127.2kW
Drawbar (tested)
142.05hp / 105.9kW
PTO (tested)
170.57hp / 127.2kW
ENGINE DETAIL
Description
International Harvester DT-466B turbocharged diesel 6-cylinder liquid-cooled
Displacement
466ci / 7.6L
Bore/Stroke
4.30x5.35inches / 109x 136mm
Rated RPM
2500
Idle RPM
780-2750
Starter volts
12
Oil capacity
20qts / 18.9L
Coolant capacity
34qts / 32.2L
INTERNATIONAL HARVESTER 3788 ENGINE
Description
International Harvester 7.6L 6-cyl diesel
Fuel tank
90gal / 340.7L
TRANSMISSION
Transmission
Torque Amplifier
Type
two-range power shift
Gears
12 forward and 6 reverse
Clutch
356mm hydraulic dry disc
SPEEDS
Description
With 18.4-38 rear tires
MECHANICAL
Chassis
4x4 articulated 4WD
Steering
hydrostatic power
Brakes
hydraulic wet disc
Cab
Cab standard
Transmission
12-speed two-range power shift
HYDRAULICS
Type
closed center
Valves
2
Pump flow
12gpm / 45.4lpm
TRACTOR HITCH
Rear Type
III
POWER TAKE-OFF (PTO)
Rear PTO
independent
Rear RPM
1000
Engine RPM
1000@2100
INTERNATIONAL HARVESTER 3788 TIRES
Ag front
18.4-38
Ag rear
18.4-38
DIMENSIONS
Wheelbase
110inches / 279cm
Length
228inches / 579cm
Width
101.6inches / 258cm
Height (cab)
115.8inches / 294cm
Clearance (front axle)
23.2inches / 58cm
Clearance (rear axle)
26.7inches / 67cm
INTERNATIONAL HARVESTER 3788 WEIGHT
Shipping
16520lbs / 7493kg
Operating
18620lbs / 8446kg
Max capacity
23500lbs / 10659kg
DIMENSIONS & TIRES
Wheelbase
110inches / 279cm
Weight
16520 to 18620 pounds
Front tire
18.4-38
Rear tire
18.4-38
3788 SERIAL NUMBERS
Location
Right side of tractor frame, by rear axle
1980
8801
1981
10866
ELECTRICAL
Ground
negative
Charging system
alternator
Charging amps
72/100
Batteries
2
Battery volts
12
About International Harvester Tractor
The 3788 type tractor is part of the International Harvester 30 2 plus 2 Series. The 3788 is a and is majorly used for Agriculture Tractors production. A engine powers the 3788 tractor. This setting increases real-world effectiveness.