J.I. Case 4890

J.I. Case 4890The J.I. Case 4890 is a four-wheel drive tractor from the series. This tractor was manufactured by J.I. Case in Racine, Wisconsin, USA from 1979 to 1983. The J.I. Case 4890 is equipped with a 11.0 L (673.9 cu·in) six-cylinder diesel engine and a partial powershift transmission with 12 forward and 4 reverse gears.

The J.I. Case 4890 four-wheel drive used the Saab-Scania engine. It is a 11.0 L, 11,044 cm2, (673.9 cu·in) six-cylinder turbocharged diesel engine with 127.0 mm (5 in) of the cylinder bore and 145.0 mm (5.71 in) of the piston stroke. The compression ratio rating is 14.7:1. This engine produced 304.2 PS (223.7 kW; 300.0 HP) at 2,200 rpm of output power.

The J.I. Case 4890 is equipped with hydraulic, front, rear or four-wheel crab steering, hydraulic dry disc brakes, Silent Guardian cab (standard) and 567.8 liters (150 US gal.; 124.9 Imp. gal) fuel tank.

J.I. Case 4890 Specifications

General Specifications
Model J.I. Case 4890
Length 6,170 mm (242.9 in)
Width 2,510 mm (98.8 in)
Height
Wheel base 2,790 mm (109.8 in)
Ground clearance 450 mm (17.7 in)
Weight (operating) 11,680 kg (25,750 lbs)
Fuel tank capacity 567.8 liters (150 US gal.; 124.9 Imp. gal)
Battery 12V
Cabin type Silent Guardian cab (standard)
Engine
Engine model Saab-Scania
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 11.0 L, 11,044 cm2, (673.9 cu·in)
Bore and stroke 127.0 mm X 145.0 mm (5 in X 5.71 in)
Compression ratio 14.7:1
Horsepower 304.2 PS (223.7 kW; 300 HP) at 2,200 rpm
Starter Electric
Oil capacity: 26.9 L (28.4 US. qt, 23.7 Imp. qt.)
Coolant capacity: 41.6 L (44 US. qt, 36.6 Imp. qt.)
Transmission and chassis
Chassis 4×4 4WD
Steering type Hydraulic, front, rear or four-wheel crab steering
Brakes Hydraulic dry disc
Transmission model
Transmission type Partial powershift with hydraulic dry disc clutch
Gears 12 forward and 4 reverse
Speed Forward: 28.0 kmh (17.4 mph) Reverse: 28.0 kmh (17.4 mph)
Transmission oil capacity 49.2 L (13 US. gal, 10.8 Imp. gal.)
Tires
Front tires Ag: 18.4-34
Rear tires Ag: 18.4-34
Three-Point Hitch
Category III
Control type
Lift capacity (at 610 mm/24 in) 5,783 kg (12,750 lbs)
PTO (Power take-off shaft)
Rear PTO type Independent
Rear PTO speed 1000 rpm
Hydraulic system
Hydraulic type Closed center PFC
Pressure 2250 psi (155.1 bar)
Valves 2 to 4
Pump flow 24.0 gpm (90.8 lpm)
Total flow 31.0 gpm (117.3 lpm)