CaseIH STX380
The CaseIH STX380 is a tractor produced by Caseih. It is equipped with a 786 ci 12.9 L engine. The listed engine power is Diesel (listed): 380 hp / 283.4 kW. Transmission: Synchroshift. Drive type: 4x4 articulared 4WD. Operating weight: 37900 to 41605 pounds.
Engine Power
Diesel (listed): 380 hp / 283.4 kW
Drive & Traction
4x4 articulared 4WD
Fuel & Capacities
300 gal
1135.5 L
Transmission
Synchroshift
Operating Weight
37900 to 41605 pounds
Overview
 | 2006 - 2007
Steiger STX SeriesFour-wheel Drive (4WD) tractor
Steiger STX Series
Four-wheel Drive (4WD) tractor |
|---|
Production | |
|---|---|
Manufacturer | CaseIH |
Four-wheel Drive (4WD) tractor | |
Built in Fargo, North Dakota, USA | |
Variants | |
|---|---|
STX380 | wheeled tractor |
STX380QT | crawler |
CaseIH STX380 Engine | |
|---|---|
Iveco 12.9L 6-cyl diesel | |
Fuel tank | 300 gal
1135.5 L |
Engine details ...  | |
CaseIH STX380 Power | |
|---|---|
Engine | 380 hp
283.4 kW |
PTO (claimed) | 335 hp
249.8 kW |
Drawbar (tested) | 319.41 hp
238.2 kW |
PTO (tested) | 390.87 hp
291.5 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x4 articulared 4WD |
Final drives | inboard 4-planetary |
inboard compound planetary (STX380 HD) | |
Steering | hydrostatic power |
Integrated hydraulic wet disc brakes | |
Surveyor cab standard with air-conditioning. Optional luxury cab with leather trim and seating. | |
Hydraulics | |
|---|---|
Type | pressure flow compensated |
Valves | 4 |
Pump flow | 40 gpm
151.4 lpm |
55 gpm (High capacity)
208.2 lpm | |
90 gpm (TwinFlow)
340.7 lpm | |
Tractor hitch | |
|---|---|
Rear Type | IVN |
Rear lift (at 24"/610mm) | 19620 lbs
8899 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent OptOptional |
Rear PTO Type | 1000 (1.75) |
Dimensions & Tires | |
|---|---|
Wheelbase | 154 inches
391 cm |
Weight | 37900 to 41605 pounds |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
STX Steiger published in 2006, by CaseIH | |
STX Series Steiger Tractors published in 2006, by CaseIH |
Engine
Engine Detail — 786 ci / 12.9 L Diesel
Manufacturer | Iveco |
Configuration | turbocharged aftercooled diesel, 6-cylinder 24-valve, liquid-cooled |
Displacement | 786 ci
12.9 L |
Bore/Stroke | 5.314x5.906 inches
135 x 150 mm |
Power | 380 hp
283.4 kW |
Air cleaner | dual paper elements |
Compression | 16.5:1 |
Rated RPM | 2000 |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
16-speed full power shift | |
24-speed fully synchronized |
Transmission — 16 forward and 2 reverse full power shift
Type | full power shift |
Gears | 16 forward and 2 reverse |
Clutch | electro-hydraulic wet disc |
 | |
Transmission — Synchroshift
Transmission | Synchroshift |
Type | fully synchronized |
Gears | 24 forward and 6 reverse |
Clutch | wet disc |
Dimensions
CaseIH STX380 Tires |
|---|
Dimensions | |
|---|---|
Wheelbase | 154 inches
391 cm |
Bar rear axle | 4.5 inch diameter
114 mm |
Rear tread | 60 to 176 inches
152 to 447 cm |
CaseIH STX380 Weight | |
|---|---|
Shipping | 37900 lbs
17191 kg |
Operating | 41605 lbs
18872 kg |
Max capacity | 45600 lbs
20684 kg |
Tests
OCED Tractor Test 1908 | |
|---|---|
Diesel 16-speed 4WD
October 16 - 23, 2007
Link: OCED Tractor Test 1908 file | |
PTO performance | |
Max power | 390.87 hp
291.5 kW |
Fuel use | 22.6 gal/hour
85.5 l/hour |
Power at rated engine speed | 347.00 hp
258.8 kW |
Fuel use | 20.7 gal/hour
78.3 l/hour |
Drawbar performance | |
Max power | 319.41 hp
238.2 kW |
Fuel use | 20.5 gal/hour
77.6 l/hour |
Gear 4 used for power test. | |
Max pull | 41365 lbs
18763 kg |
Gear 2 used for pull test. | |
Photos
CaseIH STX380
CaseIH STX380
Recommended Implements & Sizing Guide
Engineering recommendations for Caseih STX380 based on its 380 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
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 STX380.
Estimated Continuous Field Runtime: 15.2 hrs
Approximately 15.2 hours of continuous field operation at ~75% rated power on a full tank (300 gal / 1135.6 L).
Estimated 75% Load Fuel Burn~19.8 gal/hr (74.8 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 STX380 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Caseih STX380.
Converted Equivalents:
Horsepower (HP)380 hp
Kilowatts (kW)283.4 kW
Metric Horsepower (PS / CV)385.3 PS
Direct Competitor Comparison
Compare CaseIH STX380 against same-era industry alternatives in the same horsepower class.
Current Model
Caseih
CaseIH STX380
Engine Power:Diesel (listed): 380 hp / 283.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 4786
Engine Power:350
Production Years:1978 - 1981
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