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| info | |
| 1979 - 1983 90 Series, Row-Crop tractor | |
| Previous model: | J.I. Case 1370 |
| Series next: | J.I. Case 2590 |
| Series back: | J.I. Case 2290 |
| Production | |
| Manufacturer: | J.I. Case |
| Factory: | Racine, Wisconsin, USA |
| Original price (USD): | $58,700 (1983) |
| Capacity | |
| Fuel: | 85 gal [321.7 L] |
| 3-Point Hitch | |
| Rear Type: | III |
| Rear lift: | 8000 lbs [3628 kg] |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Dimensions & Tires | |
| Wheelbase: | 104 inches [264 cm] |
| Weight: | 15590 to 18710 pounds |
| Front tire: | 11.00-16 |
| Rear tire: | 18.4-38 |
| 2390 Serial Numbers | |
| Location: | Data plate on instrument panel |
| J.I. Case 2390 Power | |
| Drawbar (tested): | 137.72 hp [102.7 kW] |
| PTO (tested): | 160.72 hp [119.8 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Differential lock: | rear standard |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Silent Guardian cab standard with air-conditioning. |
| Hydraulics | |
| Type: | closed center |
| Valves: | 2 to 4 |
| Pump flow: | 23 gpm [87.1 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 72 |
| Charging volts: | 12 |
| info | |
| Bore/Stroke: | 4.625x5.00 inches [117 x 127 mm] |
| Air cleaner: | dual paper elements with aspirator |
| Compression: | 15.8:1 |
| Rated RPM: | 2100 |
| Starter volts: | 12 |
| Coolant capacity: | 44 qts [41.6 L] |
| Engine Detail | |
| J.I. Case, turbocharged diesel, 6-cylinder, liquid-cooled, 504 ci [8.3 L] |
| info | |
| Previous model: | J.I. Case 1370 |
| Series next: | J.I. Case 2590 |
| Series back: | J.I. Case 2290 |
| Transmission | |
| Type: | partial power shift |
| Gears: | 12 forward and 3 reverse |
| Four gears, plus reverse, with three ranges. Power shift between ranges. | |
| info | |
| Previous model: | J.I. Case 1370 |
| Series next: | J.I. Case 2590 |
| Series back: | J.I. Case 2290 |
| Dimensions | |
| Weight (operating): | 15,590 lbs [7071 kg] (with duals) |
| Weight (ballasted): | 18,710 lbs [8486 kg] |
| Wheelbase: | 104 inches [264 cm] |
| Rear axle: | 3.50 by 96 inches [88x2438 mm] 3.875 by 96 inches [98x2438 mm] 3.875 by 120 inches [98x3048 mm] |
| Front tread: | 60 to 88 inches [152 to 223 cm] |
| Rear tread: | 60 to 110 inches [152 to 279 cm] |
| J.I. Case 2390 Tires | |
| Ag front: | 11.00-16 |
| Ag rear: | 18.4-38 |