| Manufacturer | CaseIH |
| Price | 74,600(USD) |
| Model | 4494 |
| 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 3-2 used for power test. Gear 1-2 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 | 21,400lbs / 9707kg |
CASEIH 4494 POWER
| Engine | 213hp / 158.8kW |
| PTO (claimed) | 175hp / 130.5kW |
| Drawbar (tested) | 150.14hp / 112.0kW |
| PTO (tested) | 175.20hp / 130.6kW |
ENGINE DETAIL
The CaseIH 4494, featuring a turbocharged 6-cylinder diesel engine with an 8.3L displacement and a high torque output of 560 lb-ft at 1650 RPM, delivers robust performance suitable for heavy-duty agricultural tasks. With a compression ratio of 15.8:1 and rated power of 213hp at 2200 RPM, the tractor efficiently balances power and fuel economy, although it necessitates precise maintenance of the dual paper air cleaner to avoid performance degradation. The significant oil and coolant capacity ensures optimal engine cooling and lubrication, making this model well-suited for prolonged operation in demanding farming scenarios.
| Description | Case turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 504ci / 8.3L |
| Bore/Stroke | 4.625x5.00inches / 117x 127 mm |
| Power | 213hp / 158.8kW |
| Air cleaner | dual paper elements |
| Compression | 15.8:1 |
| Rated RPM | 2200 |
| Torque | 560 lb-ft /759.4 Nm |
| Torque RPM | 1650 |
| Starter volts | 12 |
| Oil capacity | 24qts / 22.7L |
| Coolant capacity | 48qts / 45.4L |
CASEIH 4494 ENGINE
The CaseIH 4494 features a robust Case 8.3L 6-cylinder diesel engine, providing high torque output ideal for heavy-duty tasks and efficient fuel consumption. Its powertrain enables optimal performance in demanding agricultural applications, although the tractor's weight may pose challenges in compact terrain management. Ensure to assess load capacity and implement appropriate tire configurations for enhanced traction on varied soil types.
| Description | Case 8.3L 6-cyl diesel |
TRANSMISSION
The Case IH 4494 tractor features a partial power shift transmission with 12 forward and 4 reverse gears, providing versatility for various field conditions. The hydraulic wet disc clutch offers smooth engagement, enhancing operator comfort and reducing wear during shifting. The unique H-pattern for range shifting and inline gear shifting allows for intuitive operation, but the complexity may present a learning curve for novice users.
| Type | partial power shift |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic wet disc |
| Description | Four ranges (1-4) with three power shift gears (1-3) plus reverse in each range. Both shift levers mounted on the dashboard. Range shift lever is to the left in a H-pattern. Gear shift is an inline pattern on the right. |
SPEEDS
| Description | With 23.1x30 tires |
MECHANICAL
The CaseIH 4494 features a robust 4x4 4WD chassis, enhancing traction and stability across diverse terrains, making it ideal for heavy-duty applications like tillage or hauling. Its hydraulic four-wheel crab steering offers superior maneuverability, especially in confined spaces, while the hydraulic dry disc brakes provide reliable stopping power, though they may require more maintenance than conventional brakes. The 12-speed partial power shift transmission allows for efficient speed adjustments, optimizing field operations and reducing operator fatigue, although mastering the gear selection may present a learning curve for new users.
| Chassis | 4x4 4WD |
| Steering | hydraulic, front, rear or four-wheel crab steering |
| Brakes | hydraulic dry disc |
| Cab | Silent Guardian cab standard |
| Transmission | 12-speed partial power shift |
CAPACITY
| Fuel | 128gal / 484.5L |
| Hydraulic system | 15.5gal / 58.7L |
HYDRAULICS
| Type | closed center |
| Capacity | 15.5gal / 58.7L |
| Pressure | 2350psi / 162.0bar |
| Valves | 2 to 4 |
| Total flow | 31gpm / 117.3lpm |
TRACTOR HITCH
| Rear Type | III (optional) |
| Rear lift (at 24 | 12,750lbs / 5783kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent (optional) |
| Rear RPM | 1000 |
| Engine RPM | 1000@2200 |
CASEIH 4494 TIRES
The CaseIH 4494 tractor, equipped with 18.4-34 agricultural tires both front and rear, provides excellent traction and stability on various terrains. This tire size is advantageous for heavy-duty applications and enhances the vehicle's load-carrying capacity. However, operators should consider the potential challenges of maneuverability in tight spaces due to the larger tire dimensions.
| Ag front | 18.4-34 |
| Ag rear | 18.4-34 |
DIMENSIONS
| Wheelbase | 102inches / 259cm |
| Length | 225inches / 571cm |
| Width | 96inches / 243cm (minimum)/143inches / 363cm (duals) |
| Height (exhaust) | 125inches / 317cm |
| Operating weight | 20,840lbs / 9453kg (18.4-34 duals) |
| Ballasted weight | 22,450lbs / 10183kg |
| Ground clearance | 18inches / 45cm (frame) |
| Front tread | 74 to 123inches / 187to 312 cm |
| Rear tread | 74 to 123inches / 187to 312 cm |
DIMENSIONS & TIRES
The CaseIH 4494 features a substantial wheelbase of 102 inches, enhancing stability on uneven terrain, making it ideal for heavy-duty farming applications. Weighing 20,840 lbs aids in traction but may pose challenges when navigating soft or muddy ground. The uniform tire size (18.4-34) allows for balanced weight distribution and traction optimization across a variety of soil types.
| Wheelbase | 102inches / 259cm |
| Weight | 20,840lbs / 9453kg |
| Front tire | 18.4-34 |
| Rear tire | 18.4-34 |
4494 SERIAL NUMBERS
| Location | Data plates located at forward-right corner in top of the tractor cab. |
| 1984 | 8865000 (JI Case) |
| 1985 | 8866200 |
| 1986 | 8866971 |
| 1987 | 8867559 |
ELECTRICAL
| Ground | negative |
| Battery volts | 12 |