Production
| Description | Row-Crop tractor / Built in Racine, Wisconsin, USA / Original price was $65,000 in 1983 |
|---|---|
| Manufacturer | J.I. Case |
| Total built | 6,065 |
Engine
| Engine type | J.I. Case 8.3L 6-cyl diesel |
|---|---|
| Fuel tank | 85 gal (321.7 L) |
| Bore/Stroke | 4.625x5.00 inches (117 x 127 mm) |
| Compression | 15.8:1 |
| Coolant capacity | 44 qts (41.6 L) |
| Description | J.I. Case / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 504 ci (8.3 L) |
| Rated RPM | 2100 |
| Starter volts | 12 |
| Drawbar (claimed) | 159 hp (118.6 kW) |
| Drawbar (tested) | 153.24 hp (114.3 kW) |
| PTO (claimed) | 180 hp (134.2 kW) |
| PTO (tested) | 180.38 hp (134.5 kW) |
Transmission
| Gears | 12 forward and 3 reverse |
|---|---|
| Transmission type | 12-speed partial power shift |
| Type | partial power shift |
Mechanical
| Description | Power steering / Differential hydraulic wet disc brakes / Silent Guardian cab standard with air-conditioning. Four-post ROPS available. |
|---|---|
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
Hydraulics
| Pressure | 2200 psi (151.7 bar) |
|---|---|
| Pump flow | 27 gpm (102.2 lpm) |
| Steering flow | 8 gpm (30.3 lpm) |
| Steering press. | 2000 psi (137.9 bar) |
| Type | closed center |
| Valves | 2 to 4 |
Hitch
| Rear lift | 8000 lbs (3628 kg) |
|---|---|
| Rear Type | III |
PTO
| Engine RPM | 1000@2100 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 1000 (1.375) |
Electrical
| Cab Charging amps | 72 |
|---|---|
| Charging system | alternator |
| Charging volts | 12 |
| Ground | negative |
| ROPS Charging amps | 61 |
Dimensions & Tires
| Height (cab) | 115.5 inches (293 cm) |
|---|---|
| Height (exhaust) | 117.5 inches (298 cm) |
| Length | 183.25 inches (465 cm) |
| Rear axle | 3.875 by 96 inches (98 by 2438 mm) / 3.875 by 120 inches (98 by 3048 mm) |
| Wheelbase | 104 inches (264 cm) |
| Front tire | 11.00-16 |
| Rear tire | 18.4-38 |
| Weight | 14875 to 15740 pounds |
| Wheelbase | 104 inches (264 cm) |
| Ag front | 11.00-16 |
| Ag rear | 18.4-38 / 24.5-32 |
2590 Serial Numbers
| 1978 | 8835443 |
|---|---|
| 1979 | 8840001 |
| 1980 | 9901001 |
| 1981 | 9910025 |
| 1982 | 9918830 |
| 1983 | 9924700 |
| Description | FAQ: How to read a serial number table. |
| Location: | Data plate on instrument panel |
J.I. Case 2590 Weight
| Max capacity | 20500 lbs (9298 kg) |
|---|---|
| Operating | 15740 lbs (7139 kg) |
| Shipping | 14875 lbs (6747 kg) |
J.I. Case 2590 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1303
| Description | Diesel 12-speed 2WDApril 9 - 19, 1979Link: Nebraska Tractor Test 1303 file / PTO performance / Drawbar performance / Gear 2-I used for power test. |
|---|---|
| Fuel use | 11.6 gal/hour (43.9 l/hour) / 11.4 gal/hour (43.1 l/hour) |
| Max power | 153.24 hp (114.3 kW) |
| Power at rated engine speed | 180.38 hp (134.5 kW) |
References
| Description | Model90 Loaders published in 1979, by J.I. Case / 2390/ Tractors published in 1979, by J.I. Case / Specialization... the payoff in farming published in 1980, by J.I. Case / The new look in farm power published in 1981, by J.I. Case / Power for all-season productivity published in 1982, by J.I. Case / The Tractor Specialist Buyers Guide published in 1983, by J.I. Case |
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Speeds
| Description | With 18.4-38 rear tires. |
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