International Harvester
International Harvester 3388
The International Harvester 3388 is a four-wheel drive (4WD) farm tractor produced from 1978 to 1981 as part of the 30 2+2 Series. It features a powerful 7.1L 6-cylinder turbocharged diesel engine, a 16-speed two-range power shift transmission with Torque Amplifier, and hydrostatic power steering. The tractor includes a standard cab, hydraulic wet disc brakes, and a closed center hydraulic system with 12 gpm pump flow. It has a rear PTO with independent 540/1000 RPM settings and a rear Type III hitch. The 3388 was built in a total of 2,146 units and originally sold for $45,680 in 1981. It is related to the International Harvester 6388 and 3588 models.
Power145 hp[P]
Founded1978 - 1981
Model3388
Technical Specifications
Detailed specifications and technical data for International Harvester 3388
Power
| PTO (tested) | 130.61 hp (97.4 kW) |
|---|---|
| Drawbar (tested) | 111.75 hp (83.3 kW) |
Tires
| Ag rear | 16.9-38 |
|---|---|
| Ag front | 16.9-38 |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | International Harvester DT-436B |
| Cooling | liquid-cooled |
| Idle RPM | 780-2645 |
| Cylinders | 6-cylinder |
| Fuel tank | 90 gal (340.7 L) |
| Rated RPM | 2400 |
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.30x5.00 inches (109 x 127 mm) |
| Displacement | 436 ci (7.1 L) |
| Oil capacity | 20 qts (18.9 L) |
| Starter volts | 12 |
| Coolant capacity | 34 qts (32.2 L) |
Dimensions
| Width | 101.6 inches (258 cm) |
|---|---|
| Length | 227 inches (576 cm) |
| Wheelbase | 110 inches (279 cm) |
| Height (cab) | 114.7 inches (291 cm) |
| Max capacity | 22000 lbs (9979 kg) |
| Weight shipping | 16340 lbs (7411 kg) |
| Weight ballasted | 17,850 lbs (8096 kg) |
| Weight operating | 17,420 lbs (7901 kg) |
| Clearance (rear axle) | 25.6 inches (65 cm) |
| Clearance (front axle) | 22 inches (55 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 2 |
| Battery volts | 12 |
| Charging amps | 72 (100 Optional) |
| Charging system | alternator |
Hydraulics
| Type | closed center |
|---|---|
| Valves | 2 |
| Pump flow | 12 gpm (45.4 lpm) |
Mechanical
| Cab | standard |
|---|---|
| Brakes | Hydraulic wet disc brakes |
| Steering | hydrostatic power |
| Four-wheel drive | Yes |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Series | 30 2+2 Series |
| Years made | 1978 - 1981 |
| Total built | 2,146 |
| Original price | $45,680 in 1981 |
Transmission
| Type | two-range power shift |
|---|---|
| Gears | 16 forward and 8 reverse |
| Clutch | 356mm dry disc |
| Description | Four gears (1-4) in two ranges (low-high) with two-range power shift between direct-drive and Torque Amplifier. |
| Transmission | Torque Amplifier |
Tractor hitch
| Rear Type | III |
|---|
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@2100, 1000@2100 |
| Rear PTO Type | 540/1000 |
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