J.I. Case 2590

The J.I. Case 2590 is a tractor produced by J I Case. It is equipped with a 504 ci 8.3 L engine. The rated power output is 180.38 hp 134.5 kW. Transmission: 12 forward and 3 reverse. Operating weight: 14875 to 15740 pounds.

Overview

	1979 - 1983 90 SeriesRow-Crop tractor
1979 - 1983
90 Series
Row-Crop tractor

Production
Manufacturer	J.I. Case
Row-Crop tractor
Built in Racine, Wisconsin, USA
Total built	6,065
Original price was $65,000 in 1983

J.I. Case 2590 Engine
J.I. Case 8.3L 6-cyl diesel
Fuel tank	85 gal 321.7 L
Engine details ...

J.I. Case 2590 Transmission
12-speed partial power shift
Transmission details ...

J.I. Case 2590 Power
Drawbar (claimed)	159 hp 118.6 kW
PTO (claimed)	180 hp 134.2 kW
Drawbar (tested)	153.24 hp 114.3 kW
PTO (tested)	180.38 hp 134.5 kW
Performance test details ...

Mechanical
Two-wheel drive
Differential lock	mechanical rear
Power steering
Differential hydraulic wet disc brakes
Silent Guardian cab standard with air-conditioning. Four-post ROPS available.

Hydraulics
Type	closed center
Pressure	2200 psi 151.7 bar
Valves	2 to 4
Pump flow	27 gpm 102.2 lpm
Steering flow	8 gpm 30.3 lpm
Steering press.	2000 psi 137.9 bar

Tractor hitch
Rear Type	III
Rear lift	8000 lbs 3628 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000 (1.375)
Engine RPM	1000@2100

Dimensions & Tires
Wheelbase	104 inches 264 cm
Weight	14875 to 15740 pounds
Front tire	11.00-16
Rear tire	18.4-38
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
ROPS Charging amps	61
Cab Charging amps	72
Charging volts	12

References
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

Engine

Engine Detail — 504 ci / 8.3 L Diesel

Manufacturer	J.I. Case
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	504 ci 8.3 L
Bore/Stroke	4.625x5.00 inches 117 x 127 mm
Compression	15.8:1
Rated RPM	2100
Starter volts	12
Coolant capacity	44 qts 41.6 L

Transmission

Transmission — 12 forward and 3 reverse partial power shift

Type	partial power shift
Gears	12 forward and 3 reverse
With 18.4-38 rear tires.

Dimensions

J.I. Case 2590 Tires
Ag front	11.00-16
Ag rear	18.4-38
Ag rear	24.5-32
	30.5-32
	20.8-38
	18.4-42
	20.8-42

Dimensions
Wheelbase	104 inches 264 cm
Length	183.25 inches 465 cm
Height (cab)	115.5 inches 293 cm
Height (exhaust)	117.5 inches 298 cm
Rear axle	3.875 by 96 inches 98 by 2438 mm
Rear axle	3.875 by 120 inches 98 by 3048 mm

J.I. Case 2590 Weight
Shipping	14875 lbs 6747 kg
Operating	15740 lbs 7139 kg
Max capacity	20500 lbs 9298 kg

Tests

Nebraska Tractor Test 1303
Diesel 12-speed 2WD April 9 - 19, 1979 Link: Nebraska Tractor Test 1303 file
PTO performance
Power at rated engine speed	180.38 hp 134.5 kW
Fuel use	11.6 gal/hour 43.9 l/hour
Drawbar performance
Max power	153.24 hp 114.3 kW
Fuel use	11.4 gal/hour 43.1 l/hour
Gear 2-I used for power test.