The CaseIH 1594 is a 2WD or 4WD utility tractor from the 94 series. This tractor was manufactured by CaseIH from 1985 to 1988. The Case IH 1594 is equipped with a 5.4 L (329.0 cu·in) six-cylinder diesel engine and one of two transmissions: a synchromesh transmission with 12 forward and 4 reverse gears or a partial power shift transmission with 12 forward and 4 reverse gears.
The Case-IH 1594 utility tractor used the Case engine. It is a 5.4 L, 5,391 cm2, (329.0 cu·in) six-cylinder natural aspirated diesel engine with 100.0 mm (3.94 in) of the cylinder bore and 114.0 mm (4.49 in) of the piston stroke. The compression ratio rating is 16.0:1. This engine produced 98.3 PS (72.3 kW; 97.0 HP) at 2,300 rpm of output power and 329.1 N·m (33.6 kg·m, 242.5 ft·lb) at 1,425 rpm of torque.
The CaseIH 1594 is equipped with hydrostatic power steering, differential hydraulic wet disc brakes, ROPS or cab, and 136.3 liters (36 US gal.; 30 Imp. gal) fuel tank.
CaseIH 1594 Specifications
| General Specifications | |
| Model | Case-IH 1594 |
| Length | – |
| Width | 1,980 mm (78 in) |
| Height (cab) | 2,710 mm (106.7 in) |
| Wheel base | 2,540 mm (100 in) |
| Ground clearance | 2WD: 400 mm (15.7 in) 4WD: 380 mm (15 in) |
| Weight | 2WD Cab: 4,215 kg (9,292 lbs) |
| Fuel tank capacity | 136.3 liters (36 US gal.; 30 Imp. gal) |
| Battery | 12V, CCA: 420A or 550A (heavy duty) |
| Cabin type | ROPS or cab |
| Engine | |
| Engine model | Case |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 5.4 L, 5,391 cm2, (329.0 cu·in) |
| Bore and stroke | 100.0 mm X 114.0 mm (3.94 in X 4.49 in) |
| Compression ratio | 16.0:1 |
| Horsepower | 98.3 PS (72.3 kW; 97.0 HP) at 2,300 rpm |
| Torque | 329.1 N·m (33.6 kg·m, 242.5 ft·lb) at 1,425 rpm |
| Starter | Electric |
| Oil capacity: | 12.5 L (13.2 US. qt, 11 Imp. qt.) |
| Coolant capacity: | 15.3 L (16.2 US. qt, 13.5 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Hydrostatic power |
| Brakes | Differential hydraulic wet disc |
| Transmission model | – |
| Transmission type | Synchromesh |
| Gears | 12 forward and 4 reverse |
| Transmission oil capacity | 31.8 L (8.4 US. gal, 7 Imp. gal.) |
| Transmission model | Hydra-Shift |
| Transmission type | Partial power shift |
| Gears | 12 forward and 4 reverse |
| Transmission oil capacity | 31.8 L (8.4 US. gal, 7 Imp. gal.) |
| Tires | |
| Front tires | Ag: 10.00-16 (2WD), 13.6-24 or 13.6-28 (4WD) |
| Rear tires | Ag: 16.9-38, 18.4-34, 14.9-24, 18.6-38 |
| Three-Point Hitch | |
| Category | II |
| Control type | – |
| Lift capacity (at ends) | 3,375 kg (7,440 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/1000 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Pressure | 2600 psi (179.3 bar) |
| Valves | 2 |
| Steering flow | 7.7 gpm (29.1 lpm) |
| Total flow | 10.5 gpm (39.7 lpm) Tandem: 20.1 gpm (76.1 lpm) |
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