CaseIH STX440QT Quadtrac
The CaseIH STX440QT Quadtrac is a tractor produced by Caseih. It is equipped with a 912 ci 14.9 L engine. The rated power output is 440 hp 328.1 kW. Transmission: 16 forward and 2 reverse. Drive type: articulated crawler. Operating weight: 51335 lbs 23285 kg.
Engine Power
440 hp
328.1 kW
Drive & Traction
articulated crawler
Fuel & Capacities
300 gal
1135.5 L
Transmission
16 forward and 2 reverse
Operating Weight
51335 lbs
23285 kg
Caseih STX440QT Quadtrac Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 2001
Steiger STX SeriesArticulated Crawler tractor |
|---|---|
2001 | |
Steiger STX Series | |
Articulated Crawler tractor | |
Production | |
|---|---|
Manufacturer | CaseIH |
Articulated Crawler tractor | |
Built in Fargo, North Dakota, USA | |
CaseIH STX440QT Engine | |
|---|---|
Cummins 14.9L 6-cyl diesel | |
Fuel tank | 300 gal
1135.5 L |
Engine details ...  | |
CaseIH STX440QT Transmission | |
|---|---|
16-speed full power shift | |
Transmission details ...  |
CaseIH STX440QT Power | |
|---|---|
Engine | 440 hp
328.1 kW |
Drawbar (tested) | 345.68 hp
257.8 kW |
PTO (tested) | 450.29 hp
335.8 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | articulated crawler |
Final drives | inboard planetary |
Steering | hydrostatic power |
Integrated hydraulic wet disc brakes | |
Surveyor Cab standard. | |
Hydraulics | |
|---|---|
Type | closed center load sensing |
Rear valves | 4 to 7 |
Pump flow | 40 gpm
151.4 lpm |
55 gpmOptOptional
208.2 lpm | |
Tractor hitch | |
|---|---|
Rear Type | IVN |
Rear lift (at 24"/610mm) | 19500 lbs
8845 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent OptOptional |
Rear PTO Type | 1000 |
Dimensions & Tracks | |
|---|---|
Weight | 51335 lbs
23285 kg |
Tracks | |
Full dimensions and tracks ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Batteries | 2 |
Battery volts | 12 |
References | |
|---|---|
 | |
STX Series Steiger Tractors published in 2000, by CaseIH* | |
*Publication contains known errors. |
Engine
Engine Detail — 912 ci / 14.9 L Diesel
Manufacturer | Cummins QSX15 |
Configuration | turbocharged aftercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 912 ci
14.9 L |
Bore/Stroke | 5.394x6.654 inches
137 x 169 mm |
Power | 440 hp
328.1 kW |
Air cleaner | dual paper elements |
Compression | 16.5:1 |
Rated RPM | 2000 |
Torque | 1650 lb-ft
2237.4 Nm |
Torque RPM | 1400 |
Starter volts | 12 |
CaseIH STX440QT Engine | |
|---|---|
 |
Transmission
Transmission — 16 forward and 2 reverse full power shift
Type | full power shift |
Gears | 16 forward and 2 reverse |
Clutch | electro-hydraulic wet disc |
 | |
Dimensions
CaseIH STX440QT Tracks |
|---|
Dimensions | |
|---|---|
Width | 44 inches (frame)
111 cm |
Operating weight | 51335 lbs
23285 kg |
Max weight | 53264 lbs
24160 kg |
Rear axle | 4.5 inch diameter
114 mm |
Tests
OCED Tractor Test 1785 | |
|---|---|
Diesel 16-speed Crawler
October 4 - 19, 2000
Link: OCED Tractor Test 1785 file | |
PTO performance | |
Max power | 450.29 hp
335.8 kW |
Fuel use | 22.3 gal/hour
84.4 l/hour |
Power at rated engine speed | 399.14 hp
297.6 kW |
Fuel use | 22.0 gal/hour
83.3 l/hour |
Drawbar performance | |
Max power | 345.68 hp
257.8 kW |
Fuel use | 22.1 gal/hour
83.6 l/hour |
Gear 4 used for power test. | |
Photos
CaseIH STX440QT Quadtrac
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