J.I. Case 4890

The J.I. Case 4890 is a tractor produced by J I Case. It is equipped with a 674 ci 11.0 L engine. The rated power output is 300 hp 223.7 kW. Transmission: partial powershift. Drive type: 4x4 4WD. Operating weight: 25,750 lbs 11680 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
Total built	2,716
Original price was $100,000 in 1983

J.I. Case 4890 Engine
Saab-Scania 11.0L 6-cyl diesel
Fuel tank	150 gal 567.8 L
Engine details ...

J.I. Case 4890 Transmission
12-speed
Transmission details ...

J.I. Case 4890 Power
Engine	300 hp 223.7 kW
Drawbar (claimed)	224 hp 167.0 kW
PTO (claimed)	253 hp 188.7 kW
Drawbar (tested)	218.68 hp 163.1 kW
PTO (tested)	253.41 hp 189.0 kW
Performance test details ...

Mechanical
Drive	4x4 4WD
Steering	hydraulic, front, rear or four-wheel crab steering
Hydraulic dry disc brakes
Silent Guardian cab standard with air-conditioning.

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

Tractor hitch
Rear Type	III
Rear lift (at 24"/610mm)	12,750 lbs 5783 kg

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

Dimensions & Tires
Wheelbase	110 inches 279 cm
Weight	25,750 lbs 11680 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
4890 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 — 674 ci / 11.0 L Diesel

Manufacturer	Saab-Scania
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	674 ci 11.0 L
Bore/Stroke	5.00x5.71 inches 127 x 145 mm
Power	300 hp 223.7 kW
Compression	14.7:1
Rated RPM	2200
Starter volts	12
Oil capacity	28.4 qts 26.9 L
Coolant capacity	44 qts 41.6 L

Transmission

Transmission — partial powershift

Transmission	partial powershift
Gears	12 forward and 4 reverse
Clutch	hydraulic dry disc
Oil capacity	52 qts 49.2 L
Four ranges with three power shifts in each range.
With 23.1-30 tires.

Dimensions

J.I. Case 4890 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	110 inches 279 cm
Length	243 inches 617 cm
Width	99 inches 251 cm
Operating weight	25,750 lbs 11680 kg
Ballasted weight	28,460 lbs 12909 kg
Ground clearance	18 inches 45 cm
Front tread	74 to 94 inches 187 to 238 cm
Rear tread	74 to 94 inches 187 to 238 cm

Tests

Nebraska Tractor Test 1330
Diesel 12-speed 4WD October 22 - 29, 1979 Link: Nebraska Tractor Test 1330 file
PTO performance
Power at rated engine speed	253.41 hp 189.0 kW
Fuel use	15.5 gal/hour 58.7 l/hour
Drawbar performance
Max power	218.68 hp 163.1 kW
Fuel use	15.4 gal/hour 58.3 l/hour
Gear 8 used for power test.
Max pull	27,627 lbs 12531 kg
Gear 1I used for pull test.