| Production |
| Manufacturer: | J.I. Case
|
| Type: | Four-wheel Drive (4WD) tractor
|
| Factory: | Racine, Wisconsin, USA
|
| Total built: | 2,716
|
| Original price: | $100,000 (1983)
|
| 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
|
| Mechanical |
| Chassis: | 4x4 4WD
|
| Steering: | hydraulic, front, rear or four-wheel crab steering
|
| Brakes: | hydraulic dry disc
|
| Cab: | Silent Guardian standard with A/C.
|
| Transmission: | 12-speed
|
| Photos |
| | J.I. Case 4890 photos... |
| 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 RPM: | 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
|
|
