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| info | |
| 1980 - 1983 90 Series, Utility tractor | |
| Previous model: | J.I. Case 995 |
| Next model: | J.I. Case 1394 |
| Series next: | J.I. Case 1490 |
| Series back: | J.I. Case 1290 |
| Production | |
| Manufacturer: | J.I. Case |
| Factory: | Meltham Mills, Huddersfield, England |
| Original price (USD): | $22,100 (1983) |
| Capacity | |
| Fuel: | 19 gal [71.9 L] |
| Hydraulic system: | 7.1 gal [26.9 L] |
| 3-Point Hitch | |
| Rear Type: | 2/1 |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540/1000 |
| Dimensions & Tires | |
| Wheelbase: | 84 inches [213 cm] |
| Weight: | 5,500 lbs [2494 kg] |
| Front tire: | 7.50-16 |
| Rear tire: | 16.9-30 |
| 1390 Serial Numbers | |
| Location: | Right side of main frame |
| J.I. Case 1390 Power | |
| PTO (claimed): | 60 hp [44.7 kW] |
| Drawbar (tested): | 50.26 hp [37.5 kW] |
| PTO (tested): | 60.59 hp [45.2 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | mechanical drum |
| Cab: | Two-post ROPS. Cab optional. |
| Hydraulics | |
| Type: | open center |
| Capacity: | 7.1 gal [26.9 L] |
| Valves: | 1 or 2 |
| Pump flow: | 15.3 gpm [57.9 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 26 |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 3.94x4.50 inches [100 x 114 mm] |
| Air cleaner: | dual dry element |
| Compression: | 17:1 |
| Rated RPM: | 2200 |
| Starter volts: | 12 |
| Oil capacity: | 7.9 qts [7.5 L] |
| Coolant capacity: | 14.8 qts [14.0 L] |
| Engine Detail | |
| J.I. Case, diesel, 4-cylinder, liquid-cooled, 219 ci [3.6 L] |
| info | |
| Speeds: | With 16.9x30 rear tires. |
| Transmission | |
| Type: | synchromesh |
| Gears: | 12 forward and 4 reverse |
| Clutch: | hydraulic dry disc |
| Oil capacity: | 28.5 qts [27.0 L] |
| info | |
| Previous model: | J.I. Case 995 |
| Next model: | J.I. Case 1394 |
| Series next: | J.I. Case 1490 |
| Series back: | J.I. Case 1290 |
| Dimensions | |
| Weight (shipping): | 5,500 lbs [2494 kg] |
| Weight (max capacity): | 10,500 lbs [4762 kg] |
| Wheelbase: | 84 inches [213 cm] |
| Length: | 135 inches [342 cm] |
| Height (exhaust): | 88 inches [223 cm] |
| 2WD Clearance (front axle): | 21 inches [53 cm] |
| 4WD Clearance (front axle): | 13 inches [33 cm] |
| J.I. Case 1390 Tires | |
| Ag front: | 7.50-16 |
| Ag rear: | 16.9-30 |