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
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
Description
J.I. Case 8.3L 6-cyl diesel
Fuel tank
85gal / 321.7L
TRANSMISSION
Type
partial power shift
Gears
12 forward and 3 reverse
SPEEDS
Description
With 18.4-38 rear tires
MECHANICAL
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
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
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
About J.I. Case Tractor
The 2590 tractor is part of the J.I. Case's 90 Series. The 2590 is a Row-Crop Tractors type, which is used mostly in the Agriculture Tractors. A engine powers the 2590 tractor. This setup is more practical in the real world.