Case
J.I. Case 4890
The J.I. Case 4890 is a four-wheel drive tractor produced from 1979 to 1983 as part of the 4WD 90 Series. Built in Racine, Wisconsin, USA, a total of 2,716 units were made. It features a turbocharged 11.0L 6-cylinder Saab-Scania diesel engine producing 300 hp. The tractor has a 12-speed partial powershift transmission with hydraulic dry disc clutch and offers advanced hydraulic and mechanical features including four-wheel crab steering and a Silent Guardian cab with air-conditioning. It is equipped with a rear independent 1000 PTO and a category III rear hitch with a lift capacity of 12,750 lbs at 24 inches. The 4890 is known for its robust power and versatility in farm applications.
Power300 hp
Founded1979 - 1983
Model4890
Technical Specifications
Detailed specifications and technical data for J.I. Case 4890
Power
| Engine | 300 hp (223.7 kW) |
|---|---|
| PTO (tested) | 253.41 hp (189.0 kW) |
| PTO (claimed) | 253 hp (188.7 kW) |
| Drawbar (tested) | 218.68 hp (163.1 kW) |
| Drawbar (claimed) | 224 hp (167.0 kW) |
Tires
| Ag rear | 18.4-34, 20.8-34 |
|---|---|
| Ag front | 18.4-34, 20.8-34 |
| Other rear | 23.1-30, 24.5-32, 30.5-32 |
| Other front | 23.1-30, 24.5-32, 30.5-32 |
Engine
| Make | Saab-Scania |
|---|---|
| Type | turbocharged diesel |
| Power | 300 hp (223.7 kW) |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Fuel tank | 150 gal (567.8 L) |
| Rated RPM | 2200 |
| Bore/Stroke | 5.00x5.71 inches (127 x 145 mm) |
| Compression | 14.7:1 |
| Displacement | 674 ci (11.0 L) |
| Oil capacity | 28.4 qts (26.9 L) |
| Starter volts | 12 |
| Coolant capacity | 44 qts (41.6 L) |
Dimensions
| Width | 99 inches (251 cm) |
|---|---|
| Length | 243 inches (617 cm) |
| Wheelbase | 110 inches (279 cm) |
| Rear tread | 74 to 94 inches (187 to 238 cm) |
| Front tread | 74 to 94 inches (187 to 238 cm) |
| Ballasted weight | 28,460 lbs (12909 kg) |
| Ground clearance | 18 inches (45 cm) |
| Operating weight | 25,750 lbs (11680 kg) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 72 |
| Charging system | alternator |
Hydraulics
| Type | closed center PFC |
|---|---|
| Valves | 2 to 4 |
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 24 gpm (90.8 lpm) |
| Total flow | 31 gpm (117.3 lpm) |
Mechanical
| Cab | Silent Guardian cab standard with air-conditioning. |
|---|---|
| Drive | 4x4 4WD |
| Brakes | Hydraulic dry disc brakes |
| Steering | hydraulic, front, rear or four-wheel crab steering |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Series | 4WD 90 Series |
| Built in | Racine, Wisconsin, USA |
| Total built | 2,716 |
| Original price | $100,000 in 1983 |
| Years produced | 1979 - 1983 |
Transmission
| Type | partial powershift |
|---|---|
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic dry disc |
| Description | Four ranges with three power shifts in each range. |
| Oil capacity | 52 qts (49.2 L) |
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 |