CaseIH 1594
The CaseIH 1594 is a tractor produced by Caseih. It is equipped with a 329 ci 5.4 L engine. The listed engine power is Diesel (listed): 97 hp / 72.3 kW. Transmission: Hydra-Shift. Drive type: 4x2 2WD. Operating weight: 9,290 lbs 4213 kg.
Engine Power
Diesel (listed): 97 hp / 72.3 kW
Drive & Traction
4x2 2WD
Fuel & Capacities
36 gal
136.3 L
Transmission
Hydra-Shift
Operating Weight
9,290 lbs
4213 kg
Overview
 | 1985 - 1988
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | CaseIH |
Utility tractor | |
Original price | $26,000 (1988) |
CaseIH 1594 Engine | |
|---|---|
Case 5.4L 6-cyl diesel | |
Fuel tank | 36 gal
136.3 L |
Engine details ...  | |
CaseIH 1594 Power | |
|---|---|
Engine | 97 hp
72.3 kW |
Drawbar (claimed) | 74 hp
55.2 kW |
PTO (claimed) | 86 hp
64.1 kW |
Drawbar (tested) | 72.17 hp
53.8 kW |
PTO (tested) | 85.90 hp
64.1 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 MFWD 4WD (optional) | |
Steering | hydrostatic power |
Differential hydraulic wet disc brakes | |
ROPS or cab. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2600 psi
179.3 bar |
Valves | 2 |
Total flow | 10.5 gpm
39.7 lpm |
20.1 gpm (tandem)
76.1 lpm | |
Steering flow | 7.7 gpm
29.1 lpm |
Steering press. | 1850 psi
127.6 bar |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift (at ends) | 7,440 lbs
3374 kg |
Rear lift (at 24"/610mm) | 6,290 lbs
2853 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 100 inches
254 cm |
Weight | 9,290 lbs
4213 kg |
Front tire | 10.00-16 |
Rear tire | 16.9-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 45 |
65 (heavy duty) | |
Battery CCA | 420 |
550 (heavy duty) | |
Battery volts | 12 |
Battery AH | 96 |
128 (heavy duty) | |
References | |
|---|---|
 | |
1985 Farm Equipment Buyer's Guide published by CaseIH |
Engine
Engine Detail — 329 ci / 5.4 L Diesel
Manufacturer | Case |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 329 ci
5.4 L |
Bore/Stroke | 3.937x4.500 inches
100 x 114 mm |
Power | 97 hp
72.3 kW |
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 | 13.2 qts
12.5 L |
Coolant capacity | 16.2 qts
15.3 L |
Transmission
Transmission options | |
|---|---|
12-speed synchromesh | |
12-speed partial power shift |
Transmission — 12 forward and 4 reverse synchromesh
Type | synchromesh |
Gears | 12 forward and 4 reverse |
Oil capacity | 33.6 qts
31.8 L |
Transmission — Hydra-Shift
Transmission | Hydra-Shift |
Type | partial power shift |
Gears | 12 forward and 4 reverse |
Oil capacity | 33.6 qts
31.8 L |
Dimensions
CaseIH 1594 Tires | |
|---|---|
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 | 100 inches
254 cm |
Length | 164 inches
416 cm |
Width | 78 inches
198 cm |
Height (cab) | 107 inches
271 cm |
Ground clearance | 16 inches (2WD)
40 cm |
15 inches (4WD)
38 cm | |
Front tread | 56 to 80 inches
142 to 203 cm (2WD) |
Front tread | 60 to 76 inches
152 to 193 cm (4WD) |
Rear tread | 56 to 84 inches
142 to 213 cm |
CaseIH 1594 Weight | |
|---|---|
Operating | 9,290 lbs (2WD cab)
4213 kg |
Ballasted | 11,210 lbs
5084 kg |
Max capacity | 13,500 lbs
6123 kg |
Max Drawbar | 3,300 lbs (PTO position)
1496 kg |
Max front axle | 7,500 lbs (2WD)
3402 kg |
8,000 lbs (4WD)
3628 kg | |
Max rear axle | 12,000 lbs
5443 kg |
Tests
Tractor Tests | |
|---|---|
NTTL 1546: diesel synchromesh 2WD | |
NTTL 1547: diesel Hydra-Shift 2WD |
Nebraska Tractor Test 1546 | |
|---|---|
Diesel synchromesh 2WD
October 24 - November 2, 1984
Link: Nebraska Tractor Test 1546 file | |
PTO performance | |
Power at rated engine speed | 85.90 hp
64.1 kW |
Fuel use | 5.2 gal/hour
19.7 l/hour |
Power at rated PTO speed | 80.83 hp
60.3 kW |
Fuel use | 4.7 gal/hour
17.8 l/hour |
Drawbar performance | |
Max power | 72.17 hp
53.8 kW |
Fuel use | 5.1 gal/hour
19.3 l/hour |
Gear 7 used for power test. | |
Max pull | 8,331 lbs
3778 kg |
Gear 4 used for pull test. | |
Nebraska Tractor Test 1547 | |
|---|---|
Diesel Hydra-Shift 2WD
October 23 - 30, 1984
Link: Nebraska Tractor Test 1547 file | |
PTO performance | |
Power at rated engine speed | 85.54 hp
63.8 kW |
Fuel use | 5.2 gal/hour
19.7 l/hour |
Power at rated PTO speed | 81.94 hp
61.1 kW |
Fuel use | 4.9 gal/hour
18.5 l/hour |
Drawbar performance | |
Max power | 69.37 hp
51.7 kW |
Fuel use | 5.1 gal/hour
19.3 l/hour |
Gear 7 used for power test. | |
Max pull | 8,198 lbs
3718 kg |
Gear 4 used for pull test. | |
Photos
CaseIH 1594
Recommended Implements & Sizing Guide
Engineering recommendations for Caseih 1594 based on its 97 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Caseih 1594.
Estimated Continuous Field Runtime: 7.1 hrs
Approximately 7.1 hours of continuous field operation at ~75% rated power on a full tank (36 gal / 136.3 L).
Estimated 75% Load Fuel Burn~5 gal/hr (19.1 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Caseih 1594 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Caseih 1594.
Converted Equivalents:
Horsepower (HP)97 hp
Kilowatts (kW)72.3 kW
Metric Horsepower (PS / CV)98.3 PS
Direct Competitor Comparison
Compare CaseIH 1594 against same-era industry alternatives in the same horsepower class.
Current Model
Caseih
CaseIH 1594
Engine Power:Diesel (listed): 97 hp / 72.3 kW
★ Baseline Reference
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