| Manufacturer | J.I. Case |
| Price | 65,000(USD) |
| Model | 2590 |
| Equipment Type | Row-Crop Tractors |
| Factory | Racine, Wisconsin, USA |
NEBRASKA TRACTOR TEST 1303
| Description | Diesel 12-speed 2WD April 9 - 19, 1979 Link: Nebraska Tractor Test 1303 file PTO performance Drawbar performance Gear 2-I used for power test |
| Power at rated engine speed | 180.38hp / 134.5kW |
| Fuel use | 11.4gal/hour / 43.1l/hour |
| Max power | 153.24hp / 114.3kW |
J.I. CASE 2590 POWER
| Drawbar (claimed) | 159hp / 118.6kW |
| PTO (claimed) | 180hp / 134.2kW |
| Drawbar (tested) | 153.24hp / 114.3kW |
| PTO (tested) | 180.38hp / 134.5kW |
ENGINE DETAIL
The J.I. Case 2590 features a robust turbocharged 6-cylinder diesel engine with a significant displacement of 8.3L, offering a higher torque output ideal for heavy-duty agricultural applications. With a compression ratio of 15.8:1, this tractor delivers efficient fuel combustion, while the 2100 RPM rated speed ensures ample power for tasks such as plowing or hauling. However, the 44-quart coolant capacity necessitates regular maintenance to prevent overheating during prolonged operation; adequate cooling is crucial for maintaining performance efficiency.
| Description | J.I. Case turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 504ci / 8.3L |
| Bore/Stroke | 4.625x5.00inches / 117x 127mm |
| Compression | 15.8:1 |
| Rated RPM | 2100 |
| Starter volts | 12 |
| Coolant capacity | 44qts / 41.6L |
J.I. CASE 2590 ENGINE
The J.I. Case 2590 tractor is equipped with an 8.3L 6-cylinder diesel engine, providing robust power output ideal for heavy-duty agriculture tasks. With an 85-gallon fuel tank, it allows for extended operation periods with reduced refueling frequency, which is advantageous for large-scale farming scenarios. However, the tractor's weight and size might pose challenges in maneuverability on smaller fields or in tight spaces.
| Description | J.I. Case 8.3L 6-cyl diesel |
| Fuel tank | 85gal / 321.7L |
TRANSMISSION
The J.I. Case 2590 features a partial power shift transmission, which enhances operational efficiency by allowing for smoother gear changes without interrupting power flow, ideal for applications requiring constant velocity. With 12 forward and 3 reverse gears, it provides versatility in speed selection, making it suitable for both fieldwork and transport tasks. However, operators must be adept at managing the gear shifts to optimize performance, particularly under varying load conditions.
| Type | partial power shift |
| Gears | 12 forward and 3 reverse |
SPEEDS
| Description | With 18.4-38 rear tires |
MECHANICAL
The J.I. Case 2590 tractor features a 4x2 2WD configuration, which offers simplicity and cost-effectiveness for light-duty tasks but may struggle with traction in challenging terrain. Its mechanical rear differential lock enhances traction in slippery conditions, and the power steering significantly reduces operator fatigue, enhancing maneuverability. The 12-speed partial power shift transmission allows for efficient speed changes, making it suitable for varied applications, while the Silent Guardian cab with air-conditioning boosts operator comfort in long working hours.
| Chassis | 4x2 2WD |
| Differential lock | mechanical rear |
| Steering | power |
| Brakes | differential hydraulic wet disc |
| Cab | Silent Guardian cab standard with air-conditioning. Four-post ROPS available |
| Transmission | 12-speed partial power shift |
HYDRAULICS
| Type | closed center |
| Pressure | 2200psi / 151.7bar |
| Valves | 2 to 4 |
| Pump flow | 27gpm / 102.2lpm |
| Steering flow | 8 gpm /30.3 lpm |
| Steering press. | 2000psi / 137.9bar |
TRACTOR HITCH
| Rear Type | III |
| Rear lift | 8000lbs / 3628kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.375) |
| Engine RPM | 1000@2100 |
J.I. CASE 2590 TIRES
The J.I. Case 2590 tractor's tire specifications indicate versatility in traction and field performance, with a range of rear tire sizes (24.5-32 to 20.8-42) that can adapt to various agricultural conditions. The front tire size (11.00-16) supports stability and steering precision, crucial for maneuverability in tight spaces. Depending on the application—whether row cropping or heavy tillage—selecting the appropriate tire size can enhance performance, load distribution, and minimize soil compaction.
| Ag front | 11.00-16 |
| Ag rear | 24.5-32 / 30.5-32 / 20.8-38 / 18.4-42 / 20.8-42 |
DIMENSIONS
| Wheelbase | 104inches / 264cm |
| Length | 183.25inches / 465cm |
| Height (cab) | 115.5inches / 293cm |
| Height (exhaust) | 117.5inches / 298cm |
| Rear axle | 3.875 by 120inches / 98by 3048mm |
J.I. CASE 2590 WEIGHT
| Shipping | 14875lbs / 6747kg |
| Operating | 15740lbs / 7139kg |
| Max capacity | 20500lbs / 9298kg |
DIMENSIONS & TIRES
The J.I. Case 2590 tractor features a substantial wheelbase of 104 inches, providing good stability and traction during heavy-duty tasks. Weighing between 14,875 and 15,740 pounds, it offers a robust platform suitable for diverse agricultural applications, though its weight may limit maneuverability in tight spaces. Its tire configuration, with wide rear tires (18.4-38), enhances soil compaction resistance, making it ideal for fieldwork, although it may require careful consideration of soil conditions to avoid damage.
| Wheelbase | 104inches / 264cm |
| Weight | 14875 to 15740 pounds |
| Front tire | 11.00-16 |
| Rear tire | 18.4-38 |
J.I. CASE 90 LOADER
| Loader weight | 2161lbs / 980kg |
| Height (to pin) | 148.7inches / 377cm |
| Clearance, dumped bucket | 127.7inches / 324cm |
| Dump reach | 41.2inches / 104cm |
| Dump angle | 43° |
| Reach at ground | 88inches / 223cm |
| Rollback angle | 27° |
| Breakout force (at pin) | 5500lbs / 2494kg |
| Lift to full height (at pin) | 3370lbs / 1528kg |
| Bucket width | 83inches / 210cm |
2590 SERIAL NUMBERS
| Location | Data plate on instrument panel |
| 1978 | 8835443 |
| 1979 | 8840001 |
| 1980 | 9901001 |
| 1981 | 9910025 |
| 1982 | 9918830 |
| 1983 | 9924700 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| ROPS Charging amps | 61 |
| Cab Charging amps | 72 |
| Charging volts | 12 |