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| info | |
| 1978 - 1981 30 2+2 Series, Four-wheel Drive (4WD) tractor | |
| Next model: | International Harvester 6588 |
| Series next: | International Harvester 3788 |
| Series back: | International Harvester 3388 |
| Production | |
| Manufacturer: | International Harvester |
| Total built: | 5,643 |
| Original price (USD): | $51,300 (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: | 17,620 lbs [7992 kg] |
| Front tire: | 18.4-38 |
| Rear tire: | 18.4-38 |
| 3588 Serial Numbers | |
| Location: | Ahead of rear axle on right side. |
| 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] |
| Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| 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: | 2400 |
| 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 | |
| Speeds: | With 18.4-34 tires. |
| Transmission | |
| Type: | two-range power shift |
| Gears: | 16 forward and 8 reverse |
| Oil capacity: | 94.5 qts [89.4 L] |
| Left lever selects high, low, or reverse range. Right lever selects gear. On-the-move powershift without the clutch between gear pairs 1/2, 3/4, 5/6, and 7/8. Synchronized shift (with the clutch) from 2-to-3, 4-to-5, and 6-to-7. | |
| info | |
| Next model: | International Harvester 6588 |
| Series next: | International Harvester 3788 |
| Series back: | International Harvester 3388 |
| Dimensions | |
| Weight (operating): | 17,620 lbs [7992 kg] |
| Wheelbase: | 110 inches [279 cm] |
| International Harvester 3588 Tires | |
| Ag front: | 18.4-38 |
| Ag rear: | 18.4-38 |