J.I. Case

4890

Farm tractor · 1979–1983 · 300 hp

The J.I. Case 4890 is a farm tractor manufactured from 1979 to 1983. It features a Saab-Scania engine, and hydraulic, front, rear or four-wheel crab steering steering. The transmission is a partial powershift type with 12 forward and 4 reverse.

Engine

EngineSaab-Scania
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Turbocharger Statusturbocharged diesel
Displacement674 ci (11 L)
Bore5 in (127 mm)
Stroke5.71 in (145 mm)
Compression Ratio14.7
Power Gross300 hp (223.7 kW)
Power Rated300 hp (223.7 kW)
Power PTO253.41 hp (189 kW)
Power Drawbar218.68 hp (163.1 kW)
Starter Volts12
Oil Capacity28.4 qts (26.9 L)
Coolant Capacity44 qts (41.6 L)
ManufacturerSaab-Scania
Rated2,200 RPM

Transmission

Transmission Typepartial powershift
Gears12 forward and 4 reverse
Transmission DescriptionFour ranges with three power shifts in each range.
Clutchhydraulic dry disc
Oil Capacity52 qts (49.2 L)
Available Options12-speed

Hydraulics

Typeclosed center PFC
Pump Flow24 gpm (90.8 lpm)
Pressure2,250 psi (155.1 bar)
Valves4
Total Flow31 gpm (117.3 lpm)

PTO

Rear Type1000

Hitch

Rear TypeIII
Rear Lift12,750 lbs (5,783 kg)

Dimensions

Length243 in (617 cm)
Width99 in (251 cm)
Wheelbase110 in (279 cm)
Ground Clearance18 in (45 cm)
Front Tread74 in (187 cm)
Rear Tread74 in (187 cm)

Weight

Operating25,750 lbs (11,680 kg)
Ballasted28,460 lbs (12,909 kg)

Tires & Tracks

Front Ag18.4-34, 20.8-34
Rear Ag18.4-34, 20.8-34, 23.1-30, 24.5-32, 30.5-32

Fuel

Capacity150 gal (567.8 L)

Steering

Typehydraulic, front, rear or four-wheel crab steering

Cab

CabSilent Guardian cab standard with air-conditioning