J.I. Case 4490

The J.I. Case 4490 is a tractor produced by J I Case. It is equipped with a 504 ci 8.3 L engine. The rated power output is 210 hp 156.6 kW. Transmission: 12 forward and 4 reverse. Drive type: 4x4 4WD. Operating weight: 20840 lbs 9453 kg.

Overview

	1979 - 1983 4WD 90 SeriesFour-wheel Drive (4WD) tractor
1979 - 1983
4WD 90 Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	J.I. Case
Four-wheel Drive (4WD) tractor
Built in Racine, Wisconsin, USA
Original price was $70,800 in 1983

J.I. Case 4490 Engine
Case 8.3L 6-cyl diesel
Fuel tank	128 gal 484.5 L
Engine details ...

J.I. Case 4490 Transmission
12-speed three-speed power shift
Transmission details ...

J.I. Case 4490 Power
Engine	210 hp 156.6 kW
Drawbar (claimed)	153 hp 114.1 kW
PTO (claimed)	175 hp 130.5 kW
Drawbar (tested)	150.14 hp 112.0 kW
PTO (tested)	175.20 hp 130.6 kW
Performance test details ...

Mechanical
Drive	4x4 4WD
Final drives	outboard planetary
Power four-wheel steering
Hydraulic dry disc brakes
Silent Guardian cab standard with air-conditioning.

Hydraulics
Type	closed center
Pressure	2250 psi 155.1 bar
Valves	2 to 4
Pump flow	31 gpm 117.3 lpm
SCV flow	24 gpm 90.8 lpm

Tractor hitch
Rear Type	III
Rear lift	11000 lbs 4989 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000 (1.375)

Dimensions & Tires
Wheelbase	102 inches 259 cm
Weight	20840 lbs 9453 kg
Front tire	18.4-34
Rear tire	18.4-34
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	72
Battery volts	12

References
4490 Tractor published in 1979, by J.I. Case
The most advanced design 4-wheel drive tractors Case ever built published in 1979, 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
The Tractor Specialist Buyers Guide published in 1984, by J.I. Case

Engine

Engine Detail — 504 ci / 8.3 L Diesel

Manufacturer	Case
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	504 ci 8.3 L
Bore/Stroke	4.625x5.0 inches 117 x 127 mm
Power	210 hp 156.6 kW
Air cleaner	dual paper elements
Compression	15.8:1
Rated RPM	2200
Starter volts	12
Coolant capacity	48 qts 45.4 L

Transmission

Transmission — 12 forward and 4 reverse three-speed power shift

Type	three-speed power shift
Gears	12 forward and 4 reverse
Clutch	hydraulic wet disc
Three power shift gears, plus reverse gear, in four ranges.
With 23.1-30 tires.

Dimensions

J.I. Case 4490 Tires
Ag front	18.4-34
Ag rear	18.4-34
Ag front	20.8-34
	23.1-30
	24.5-32
	30.5-32
Ag rear	20.8-34
	23.1-30
	24.5-32
	30.5-32

Dimensions
Wheelbase	102 inches 259 cm
Length	232 inches 589 cm
Width	96 inches*Minimum width. 243 cm
Operating weight	20840 lbs 9453 kg
Ballasted weight	22450 lbs*With dual 18.4-34 front and rear and liquid in all front tires. 10183 kg
Ground clearance	18 inches 45 cm
Front tread	72 to 92 inches 182 to 233 cm
Rear tread	72 to 92 inches 182 to 233 cm

Tests

Nebraska Tractor Test 1328
Diesel 12-speed 4WD October 15 - 20, 1979 Link: Nebraska Tractor Test 1328 file
PTO performance
Power at rated engine speed	175.20 hp 130.6 kW
Fuel use	11.5 gal/hour 43.5 l/hour
Drawbar performance
Max power	150.14 hp 112.0 kW
Fuel use	11.3 gal/hour 42.8 l/hour
Gear 8 used for power test.
Max pull	21400 lbs 9707 kg
Gear 1-I used for pull test.