The J.I. Case 2590 is a 2WD row-crop tractor from the 90 series. This tractor was manufactured by J.I. Case in Racine, Wisconsin, USA from 1979 to 1983. The J.I. Case 2590 is equipped with a 8.3 L (504.0 cu·in) six-cylinder diesel engine and a partial power shift transmission with 12 forward and 3 reverse gears.
The Case 2590 row-crop tractor used the J.I. Case engine. It is a 8.3 L, 8,259 cm2, (504.0 cu·in) six-cylinder turbocharged diesel engine with 117.0 mm (4.61 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 15.8:1. This engine produced 182.5 PS (134.2 kW; 180.0 HP) at 2,100 rpm of PTO output power.
The J.I. Case 2590 is equipped with hydrostatic power steering, differential hydraulic wet disc brakes, Silent Guardian cab with air-conditioning, and 321.7 liters (85 US gal.; 70.8 Imp. gal) fuel tank.
J.I. Case 2590 Specifications
| General Specifications | |
| Model | J.I. Case 2590 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,640 mm (103.9 in) |
| Weight (operating) | 7,140 kg (15,741 lbs) |
| Fuel tank capacity | 321.7 liters (85 US gal.; 70.8 Imp. gal) |
| Battery | 12V |
| Cabin type | Silent Guardian cab with air-conditioning |
| Engine | |
| Engine model | J.I. Case |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 8.3 L, 8,259 cm2, (504.0 cu·in) |
| Bore and stroke | 117.0 mm X 127.0 mm (4.61 in X 5 in) |
| Compression ratio | 15.8:1 |
| Horsepower | 182.5 PS (134.2 kW; 180.0 HP) at 2,100 rpm |
| Starter | Electric |
| Coolant capacity: | 41.6 L (44 US. qt, 36.6 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Hydrostatic power |
| Brakes | Differential hydraulic wet disc |
| Differential lock | Rear standard |
| Transmission model | – |
| Transmission type | Partial power shift |
| Gears | 12 forward and 3 reverse |
| Tires | |
| Front tires | Ag: 11.00-16 |
| Rear tires | Ag: 18.4-38 |
| Three-Point Hitch | |
| Category | III |
| Control type | – |
| Lift capacity (at ends) | 3,628 kg (8,000 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Valves | 2 to 4 |
| Pump flow | 23.0 gpm (87.1 lpm) |