WhichTractor
  • Articulated
  • WhichTractor size: High-power
  • Lab tested ×1
  • 2000–2005

WhichTractor size, not the maker’s category

Case-IH STX 375 Engine specifications

19 engine values on record for the STX 375.

Engine power, claimed · gross or net not stated

369.9 hp

275.8 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Case-IH STX 375”, claimed

What engine is in an STX 375?

An STX 375 has a CUMMINS QSX-15, a 6-cylinder 14.95 L diesel engine.

Engine — CUMMINS QSX-15 specifications
Make & modelCUMMINS QSX-15Source 4
FuelDieselSource 4
Cylinders6Source 4
Displacement912.0 ci · 14.95 LSource 4
AspirationSuperchargedSource 4
CoolingLiquid-cooled
Maximum torque1,325 lb·ft · 1,797 N·m
Maximum torque speed1,198 rpm
Air cleanerNELSON dry air filter with pre-separator
Cylinders6
Displacement15.8 qt · 14.9 L
Bore5.4 in · 137 mm
Stroke6.7 in · 169 mm
Rated engine speed2,000 rpm
Torque rise49.5 %

Source · Traktorenlexikon, “Case-IH STX 375”

How much fuel does an STX 375 use?

On OECD Test 1955, the STX 375 used 19.06 gal/h (72.2 L/h) at maximum power.

OECD Test 1955 — STX 375 as tested, configuration as printed: “Articulated 4 WD with dual wheels”
Fuel consumption, at maximum power19.06 gal/h · 72.2 L/hSource 2
Fuel consumption, at rated engine speed19.07 gal/h · 72.2 L/hSource 2
Fuel consumption, at standard PTO speed19.07 gal/h · 72.2 L/hSource 2
Engine speed, at maximum power1,600 rpmSource 2
Engine speed, at rated engine speed2,000 rpmSource 2
Engine speed, at standard PTO speed2,000 rpmSource 2
Maximum torque1,325 lb·ft · 1,797.0 N·mSource 2
Torque rise49.4%Source 2

Source · OECD test report 1955, 2001

Where this page comes from

19 engine values from Traktorenlexikon, “New Holland TJ375”; Traktorenlexikon, “Case-IH STX 375”; OECD test report 1955, 2001; and OECD test report 1955, 2002.

Last verified

Not yet verified

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. OECD Code 2 test report 2/1 955: Case IH STX 375 — Licence not stated by the publisher; facts cited, OECD-1955 · published 2001-05-29 · retrieved 2026-09-14. OECD. Original document
  2. OECD Code 2 test report 2/1 955/1: New Holland TJ 375 — Licence not stated by the publisher; facts cited, OECD-1955 · published 2002-02-22 · retrieved 2026-09-14. OECD. Original document
  3. Traktorenlexikon: Case-IH STX 375 — CC BY-SA 4.0, WIKIBOOKS-TL-115863 · revision 985164. Wikibooks contributors (Traktorenlexikon). Original document
  4. Traktorenlexikon: New Holland TJ375 — CC BY-SA 4.0, WIKIBOOKS-TL-111250 · revision 993203. Wikibooks contributors (Traktorenlexikon). Original document