| Manufacturer | Case |
| Price | 26,000(USD) |
| Model | 1594 |
| Equipment Type | Utility Tractors |
| Factory | Meltham Mills, Huddersfield, England |
NEBRASKA TRACTOR TEST 1546 2
| Description | Diesel synchromesh 2WD October 24 - November 2, 1984 Link: Nebraska Tractor Test 1546 file PTO performance Drawbar performance Gear 7 used for power test. Gear 4 used for pull test |
| Power at rated engine speed | 85.90hp / 64.1kW |
| Fuel use | 5.1gal/hour / 19.3l/hour |
| Power at rated PTO speed | 80.83hp / 60.3kW |
| Max power | 72.17hp / 53.8kW |
| Max pull | 8,331lbs / 3778kg |
NEBRASKA TRACTOR TEST 1547 2
| Description | Diesel Hydra-Shift 2WD October 23 - 30, 1984 Link: Nebraska Tractor Test 1547 file PTO performance Drawbar performance Gear 7 used for power test Gear 4 used for pull test |
| Power at rated engine speed | 85.54hp / 63.8kW |
| Fuel use | 5.1gal/hour / 19.3l/hour |
| Power at rated PTO speed | 81.94hp / 61.1kW |
| Max power | 69.37hp / 51.7kW |
| Max pull | 8,198lbs / 3718kg |
J.I. CASE 1594 POWER
| Engine | 97hp / 72.3kW |
| Drawbar (claimed) | 74hp / 55.2kW |
| PTO (claimed) | 86hp / 64.1kW |
| Drawbar (tested) | 72.17hp / 53.8kW |
| PTO (tested) | 85.90hp / 64.1kW |
ENGINE DETAIL
The Case 1594 tractor features a robust 6-cylinder diesel engine with a significant torque output of 242.7 lb-ft at 1425 RPM, ideal for demanding applications in agricultural or heavy-duty tasks. Its high compression ratio of 16:1 and a power rating of 97 hp at 2300 RPM provide a blend of efficiency and performance, but the relatively low RPM may limit maximum speed capabilities compared to some competitors. With a dual paper air cleaner system, it offers enhanced engine protection, but regular maintenance is essential to ensure optimal performance and longevity.
| Description | Case diesel 6-cylinder liquid-cooled |
| Displacement | 329ci / 5.4L |
| Bore/Stroke | 3.937x4.50inches / 100x 114 mm |
| Power | 97hp / 72.3kW |
| Air cleaner | dual paper elements with pre-cleaner |
| Compression | 16:1 |
| Rated RPM | 2300 |
| Torque | 242.7 lb-ft /329.1 Nm |
| Torque RPM | 1425 |
| Starter volts | 12 |
| Oil capacity | 13.2qts / 12.5L |
| Coolant capacity | 16.2qts / 15.3L |
J.I. CASE 1594 ENGINE
The Case 1594 features a robust 5.4L 6-cylinder diesel engine, providing substantial torque for agricultural tasks. Its 36-gallon (136.3L) fuel tank offers extended operational time, reducing downtime for refueling during heavy tasks. However, the engine's size may lead to increased operational costs and potential challenges in fuel management, particularly in smaller-scale operations.
| Description | Case 5.4L 6-cyl diesel |
| Fuel tank | 36gal / 136.3L |
TRANSMISSIONS OVERVIEW
The Case 1594 features a 12-speed synchromesh transmission, allowing for smooth gear transitions, which enhances operator control and efficiency. The partial power shift capability enables on-the-go gear changes without clutching, improving productivity in varied field conditions. However, operators must be mindful of potential wear on transmission components due to continuous shifting in heavy workloads.
| Description | 12-speed synchromesh 12-speed partial power shift |
TRANSMISSION 1
The Case 1594 tractor features a 12-speed synchromesh transmission, providing smoother gear changes, which enhances operational efficiency during variable tasks. The oil capacity of 33.6 quarts (31.8 liters) indicates robust lubrication needs, essential for maintaining optimal performance and longevity under heavy-duty conditions. However, the complexity of the synchromesh system may present challenges in maintenance and repairs compared to simpler gear systems.
| Type | synchromesh |
| Gears | 12 forward and 4 reverse |
| Oil capacity | 33.6qts / 31.8L |
TRANSMISSION 2
The Case 1594 tractor features a Hydra-Shift partial power shift transmission, providing 12 forward and 4 reverse gears, which allows for smooth gear changes under load—ideal for various field conditions. Its oil capacity of 33.6 quarts (31.8 liters) ensures adequate lubrication and cooling, enhancing durability and performance. However, users should monitor the oil levels regularly to prevent potential overheating or transmission issues during heavy operations.
| Transmission | Hydra-Shift |
| Type | partial power shift |
| Gears | 12 forward and 4 reverse |
| Oil capacity | 33.6qts / 31.8L |
MECHANICAL
The Case 1594 tractor features a robust 4WD option providing enhanced traction for challenging terrains, beneficial for heavy-duty agricultural tasks. Its hydrostatic power steering allows for easy maneuverability, minimizing operator fatigue during long hours. The 12-speed synchromesh transmission enables smooth shifting, but the partial power shift may require some acclimatization for optimal performance in varied conditions.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | hydrostatic power |
| Brakes | differential hydraulic wet disc |
| Cab | ROPS or cab. |
| Transmissions | 12-speed synchromesh/12-speed partial power shift |
HYDRAULICS
| Type | open center |
| Pressure | 2600psi / 179.3bar |
| Valves | 2 |
| Total flow | 10.5gpm / 39.7lpm/20.1gpm / 76.1lpm (tandem) |
| Steering flow | 7.7gpm / 29.1lpm |
| Steering press. | 1850psi / 127.6bar |
TRACTOR HITCH
| Rear Type | II |
| Rear lift (at ends) | 7,440lbs / 3374kg |
| Rear lift (at 24 | 6,290lbs / 2853kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000 |
J.I. CASE 1594 TIRES
The Case 1594 tractor is versatile with various tire configurations for both 2WD and 4WD, providing adaptability for different terrains and operational needs. The choice of front tires (10.00-16 for 2WD and 13.6-24/13.6-28 for 4WD) enhances traction and stability, while dual rear tire options (16.9-38, 18.4-34, 14.9-24, 18.6-38) allow for customized weight distribution and improved handling in diverse agricultural applications. However, tire selection may impact fuel efficiency and maneuverability, particularly in tight or uneven fields, so choosing the right combination is essential.
| Ag front | 10.00-16 (2WD)/13.6-24 (4WD)/13.6-28 (4WD) |
| Ag rear | 16.9-38/18.4-34/14.9-24/18.6-38 |
DIMENSIONS
| Wheelbase | 100inches / 254cm |
| Width | 78inches / 198cm |
| Height (cab) | 107inches / 271cm |
| Ground clearance | 16inches / 40cm (2WD)/15inches / 38cm (4WD) |
| Front tread | 56 to 80inches / 142to 203 cm (2WD) 60 |
| Rear tread | 56 to 84inches / 142to 213 cm |
J.I. CASE 1594 WEIGHT
| Operating | 9,290lbs / 4213kg (2WD cab) |
| Ballasted | 11,210lbs / 5084kg |
| Max capacity | 13,500lbs / 6123kg |
| Max Drawbar | 3,300lbs / 1496kg (PTO position) |
| Max front axle | 7,500lbs / 3402kg (2WD)/8,000lbs / 3628kg (4WD) |
| Max rear axle | 12,000lbs / 5443kg |
DIMENSIONS & TIRES
The Case 1594 tractor features a 100-inch wheelbase, providing excellent stability during heavy-duty operations, particularly on uneven terrains. With a weight of 9,290 lbs, it balances power and maneuverability, capable of handling sizeable implements while minimizing soil compaction. The front tire size of 10.00-16 and rear tire size of 16.9-38 enhances traction and flotation, making it well-suited for agricultural tasks in both wet and dry conditions.
| Wheelbase | 100inches / 254cm |
| Weight | 9,290lbs / 4213kg |
| Front tire | 10.00-16 |
| Rear tire | 16.9-38 |
J.I. CASE 74L LOADER
| Loader weight | 1645lbs / 746kg |
| Height (to pin) | 137inches / 347cm |
| Clearance, dumped bucket | 115inches / 292cm |
| Dump reach | 43inches / 109cm |
| Dump angle | 41° |
| Reach at ground | 78inches / 198cm |
| Rollback angle | 18° |
| Breakout force (at pin) | 4400lbs / 1995kg |
| Lift to full height (at pin) | 2500lbs / 1134kg |
| Bucket width | 60inches / 152cm/66inches / 167cm/72inches / 182cm/83inches / 210cm |
1594 SERIAL NUMBERS
| Location | On right side of main frame |
| 1983 | 11219050 |
| 1984 | 11219213 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 45/65 (heavy duty) |
| Battery CCA | 420/550 (heavy duty) |
| Battery volts | 12 |
| Battery AH | 96/128 (heavy duty) |