J.I. Case 4890
Contents:
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 |
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 |
Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 72 |
| Battery volts: | 12 |
Engine Detail | |
| Saab-Scania | |
| 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 |
| 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. | |
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 |
