| Manufacturer | Case |
| Price | 70,800(USD) |
| Model | 4490 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Racine, Wisconsin, USA |
NEBRASKA TRACTOR TEST 1328 2
| Description | Diesel 12-speed 4WD October 15 - 20, 1979 Link: Nebraska Tractor Test 1328 file PTO performance Drawbar performance Gear 8 used for power test Gear 1-I used for pull test |
| Power at rated engine speed | 175.20hp / 130.6kW |
| Fuel use | 11.3gal/hour / 42.8l/hour |
| Max power | 150.14hp / 112.0kW |
| Max pull | 21400lbs / 9707kg |
J.I. CASE 4490 POWER
| Engine | 210hp / 156.6kW |
| Drawbar (claimed) | 153hp / 114.1kW |
| PTO (claimed) | 175hp / 130.5kW |
| Drawbar (tested) | 150.14hp / 112.0kW |
| PTO (tested) | 175.20hp / 130.6kW |
ENGINE DETAIL
The Case 4490 features a robust 8.3L turbocharged diesel engine, delivering 210hp at a rated 2200 RPM, which offers significant power for heavy-duty applications such as plowing and hauling. With a compression ratio of 15.8:1, it optimizes fuel efficiency but may require high-quality diesel to prevent knocking. The dual paper air cleaners enhance engine longevity by ensuring better filtration, though regular maintenance is critical to avoid reduced performance due to clogging.
| Description | Case turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 504ci / 8.3L |
| Bore/Stroke | 4.625x5.0inches / 117x 127mm |
| Power | 210hp / 156.6kW |
| Air cleaner | dual paper elements |
| Compression | 15.8:1 |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Coolant capacity | 48qts / 45.4L |
J.I. CASE 4490 ENGINE
The Case 4490 features an 8.3L 6-cylinder diesel engine, offering robust torque and power suitable for heavy-duty applications. Its large 128-gallon fuel tank allows for extended operational periods, reducing downtime for refueling, which is advantageous in large farming operations. However, the weight and consumption of such a powerful engine need to be managed effectively to avoid potential soil compaction in sensitive terrains.
| Description | Case 8.3L 6-cyl diesel |
| Fuel tank | 128gal / 484.5L |
TRANSMISSION
The Case 4490 tractor features a three-speed power shift transmission, providing 12 forward and 4 reverse gears, enhancing operational flexibility for various tasks. The hydraulic wet disc clutch ensures smooth engagement and minimizes wear, ideal for demanding applications such as plowing or heavy tillage. However, the complexity of the power shift system may require more maintenance and skilled operation, which should be considered in demanding agricultural scenarios.
| Type | three-speed power shift |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic wet disc |
| Description | Three power shift gears, plus reverse gear, in four ranges |
SPEEDS
| Description | With 23.1-30 tires |
MECHANICAL
The Case 4490 tractor features a robust 4x4 drive system with outboard planetary final drives, enhancing traction and stability on uneven terrain. Its hydraulic dry disc brakes provide reliable stopping power, while the 12-speed three-speed power shift transmission allows for smooth and efficient gear changes, improving productivity during varied field operations. The Silent Guardian cab with air-conditioning ensures operator comfort, making it advantageous for extended hours of use in diverse climates.
| Chassis | 4x4 4WD |
| Final drives | outboard planetary |
| Steering | power four-wheel |
| Brakes | hydraulic dry disc |
| Cab | Silent Guardian cab standard with air-conditioning |
| Transmission | 12-speed three-speed power shift |
HYDRAULICS
| Type | closed center |
| Pressure | 2250psi / 155.1bar |
| Valves | 2 to 4 |
| Pump flow | 31gpm / 117.3lpm |
| SCV flow | 24gpm / 90.8lpm |
TRACTOR HITCH
| Rear Type | III |
| Rear lift | 11000lbs / 4989kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.375) |
J.I. CASE 4490 TIRES
The Case 4490 tractor features Ag front tires sized 20.8-34, providing a good balance between traction and floatation on various terrains. The rear tire options, ranging from 20.8-34 to 30.5-32, offer versatility for different load capacities and ground conditions, enhancing the tractor's performance in field applications. However, be mindful that larger rear tires may require additional horsepower to maintain efficiency, particularly in heavy tillage scenarios.
| Ag front | 20.8-34 |
| Ag rear | 20.8-34/23.1-30/24.5-32/30.5-32 |
DIMENSIONS
| Wheelbase | 102inches / 259cm |
| Length | 232inches / 589cm |
| Width | 96inches / 243cm *Minimum width |
| Operating weight | 20840lbs / 9453kg |
| Ballasted weight | 22450lbs / 10183kg *With dual 18.4-34 front and rear and liquid in all front tires |
| Ground clearance | 18inches / 45cm |
| Front tread | 72 to 92inches / 182to 233cm |
| Rear tread | 72 to 92inches / 182to 233cm |
DIMENSIONS & TIRES
The Case 4490 tractor, with a wheelbase of 102 inches, provides stability and maneuverability, making it suitable for various agricultural applications. Weighing 20,840 lbs, it can handle heavy loads, but this weight may challenge transportability and require larger towing equipment. The uniform tire size (18.4-34) enhances traction and ensures balanced weight distribution, although it may limit versatility in tire options for specific terrain conditions.
| Wheelbase | 102inches / 259cm |
| Weight | 20840lbs / 9453kg |
| Front tire | 18.4-34 |
| Rear tire | 18.4-34 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 72 |
| Battery volts | 12 |