| Manufacturer | Case |
| Price | 78,000(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 |
J.I. CASE 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 Case 4494 tractor features a robust 6-cylinder turbocharged diesel engine with an 8.3L displacement, delivering a notable 213hp at 2200 RPM and a peak torque of 560 lb-ft at 1650 RPM. Its dual paper element air cleaner effectively enhances air filtration, crucial for maintaining performance in dusty environments, while the 15.8:1 compression ratio promotes fuel efficiency. However, the relatively high oil and coolant capacities (24qts and 48qts, respectively) may pose challenges in maintenance due to increased fluid costs and the need for more extensive service intervals.
| Description | Case turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 504ci / 8.3L |
| Bore/Stroke | 4.625x5.00inches / 117x 127mm |
| Power | 213hp / 158.8kW |
| Air cleaner | dual paper elements |
| Compression | 15.8:1 |
| Rated RPM | 2200 |
| Torque | 560lb-ft / 759.4Nm |
| Torque RPM | 1650 |
| Starter volts | 12 |
| Oil capacity | 24qts / 22.7L |
| Coolant capacity | 48qts / 45.4L |
J.I. CASE 4494 ENGINE
The Case 4494 tractor is powered by an 8.3L 6-cylinder diesel engine, delivering robust torque and durability suitable for heavy-duty applications. It features a high fuel efficiency and lower emissions due to advanced combustion technology, which can reduce operational costs over time. However, the tractor's weight and size may pose challenges in maneuverability in tighter spaces, making it ideal for large-scale farming operations but less efficient in smaller fields.
| Description | Case 8.3L 6-cyl diesel |
TRANSMISSION
The Case 4494 tractor features a partial power shift transmission with 12 forward and 4 reverse gears, providing versatility in various operational scenarios. The hydraulic wet disc clutch ensures smooth engagement and minimizes wear, making it advantageous for heavy-duty use. However, operators may need to acclimate to the H-pattern range shift layout for efficient gear selection, particularly in tight work conditions.
| Transmission | 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 Case 4494 tractor features a robust 4WD chassis, enhancing traction and stability in diverse terrains, which is advantageous for tasks requiring maneuverability and power. Its hydraulic steering system allows for superior control in tight spaces, while the hydraulic dry disc braking ensures consistent performance across various conditions, potentially easing maintenance due to reduced wear. However, the 12-speed transmission may require more complexity in operation compared to simpler gear systems, posing a learning curve for operators unfamiliar with multi-speed tractors.
| Chassis | 4x4 4WD |
| Steering | hydraulic, front, rear or four-wheel crab steering |
| Brakes | hydraulic dry disc |
| Cab | Silent Guardian cab standard |
| Transmission | 12-speed |
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 |
J.I. CASE 4494 TIRES
The Case 4494 tractor utilizes 18.4-34 agricultural tires both front and rear, providing a balanced load distribution and improved traction on various terrain types. However, the tire size may limit its maneuverability in tighter spaces and increase soil compaction under heavy loads. This setup is ideal for medium to large farms requiring robust fieldwork capabilities, especially in row cropping and tillage operations.
| 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 312cm |
| Rear tread | 74 to 123inches / 187to 312cm |
DIMENSIONS & TIRES
The Case 4494 tractor has a wheelbase of 102 inches, enhancing stability during operation, particularly in heavy fieldwork. With a weight of 20,840 lbs and consistent tire size front and rear (18.4-34), it offers good traction but may challenge maneuverability in tight spaces. Ideal for large agricultural tasks, this tractor may struggle on uneven terrain due to its weight distribution and tire profile.
| 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 |
ELECTRICAL
| Ground | negative |
| Battery volts | 12 |