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| info | |
| 1980 - 1981 30 2+2 Series, Four-wheel Drive (4WD) tractor | |
| Next model: | International Harvester 6788 |
| Series back: | International Harvester 3588 |
| Production | |
| Manufacturer: | International Harvester |
| Total built: | 2,496 |
| Original price (USD), $57,000 (1981 ), | |
| Capacity | |
| Fuel: | 90 gal [340.7 L] |
| 3-Point Hitch | |
| Rear Type: | III |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Dimensions & Tires | |
| Wheelbase: | 110 inches [279 cm] |
| Weight: | 18,620 lbs [8446 kg] |
| Front tire: | 18.4-38 |
| Rear tire: | 18.4-38 |
| 3788 Serial Numbers | |
| Location: | Right side of tractor frame, by rear axle. |
| 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] |
| Mechanical | |
| Chassis: | 4x4 articulated 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard |
| Hydraulics | |
| Type: | closed center |
| Valves: | 2 |
| Pump flow: | 12 gpm [45.4 lpm] |
| Electrical | |
| Ground: | negative |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.30x5.35 inches [109 x 136 mm] |
| Rated RPM: | 2500 |
| Starter volts: | 12 |
| Coolant capacity: | 34 qts [32.2 L] |
| Engine Detail | |
| International Harvester, turbocharged diesel, 6-cylinder, liquid-cooled, 466 ci [7.6 L] |
| info | |
| Next model: | International Harvester 6788 |
| Series back: | International Harvester 3588 |
| Transmission | |
| Type: | two-speed power shift |
| Gears: | 12 forward and 6 reverse |
| Clutch: | hydraulic dry disc |
| info | |
| Next model: | International Harvester 6788 |
| Series back: | International Harvester 3588 |
| Dimensions | |
| Weight: | 18,620 lbs [8446 kg] |
| Wheelbase: | 110 inches [279 cm] |
| Length: | 228 inches [579 cm] |
| Height: | 116 inches [294 cm] |
| 4WD turn radius: | 31.9 feet [9.7 m] |
| International Harvester 3788 Tires | |
| Ag front: | 18.4-38 |
| Ag rear: | 18.4-38 |