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

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Case-IH STX 375 Full specifications

CUMMINS QSX-15 six-cylinder diesel. The manufacturer claimed 369.9 horsepower. The only laboratory test on record is of one version: OECD Test 1955 measured 386.6 hp at the PTO of the STX 375 (Articulated 4 WD).

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

Weight
37,620 lb
Hyd. flow
40.9 gpm
Top speed
18.6 mph

Case-IH STX 375 specs: key facts

  • The Case-IH STX 375 was built from 2000 to 2005.

  • Only one version of the Case-IH STX 375 has a laboratory test on record: the STX 375 (Articulated 4 WD) produced 288.3 kW (386.6 hp) at the PTO, measured on OECD Test 1955.Source 2

  • The Case-IH STX 375 has a claimed engine power (gross or net not stated) of 275.8 kW (369.9 hp); it has no measured PTO figure.

  • The Case-IH STX 375 was built in four-wheel drive (4WD) and four-wheel drive with equal-size wheels versions, depending on configuration.Source 1

  • The Case-IH STX 375 has a CUMMINS QSX-15 engine, a 6-cylinder 14.95 L diesel unit.Source 4

  • The Case-IH STX 375 weighs 17,064 kg (37,620 lb) unladen.

  • The Case-IH STX 375 has a rear PTO running at 1000 rpm.

  • The hydraulic pump of the Case-IH STX 375 delivers 154.8 L/min (40.9 gpm).

Source · Traktorenlexikon, “Case-IH STX 375”

How much horsepower does an STX 375 have?

The only laboratory test on record is of one version. OECD Test 1955 measured 386.6 hp at the PTO of the STX 375 (Articulated 4 WD). For the STX 375 as a whole the figure is the 369.9 hp claimed for the engine, which is not power at the shaft.

Engine, claimed (gross/net not stated)
369.9 hp

Sources · Traktorenlexikon, “Case-IH STX 375”; OECD test report 1955, 2002

What engine is in an STX 375?

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

Engine — STX 375 engine specifications
Make & modelCUMMINS QSX-15
Cylinders6, liquid-cooledSource 3
Displacement912.0 ci · 14.95 L
Aspirationsupercharged
Max torque1,325 lb·ft · 1,797 N·m @ 1,198 rpmSource 3
Electrical system12 VSource 3

Source · Traktorenlexikon, “New Holland TJ375”

How much will an STX 375 lift, and what is its hydraulic flow?

Hydraulic and PTO specifications for the STX 375 are below.

Hydraulics & PTO — STX 375 hydraulics and PTO specifications
SystemClosed centreSource 2
Pump flow40.9 gpm · 154.8 L/min
Pressure2,698 psi · 186 bar
Hitch categoryCategory 4
Rear PTO1000 rpm
PTO shaft1 3/4"- 20 splined (Form-3)

Source · Traktorenlexikon, “Case-IH STX 375”

What transmission does an STX 375 have?

Transmission specifications for the STX 375 are below.

Transmission — STX 375 transmission specifications
SteeringHydrostatic EATON steering, series 25
Top speed18.6 mph · 30 km/h

Source · Traktorenlexikon, “Case-IH STX 375”

How much does an STX 375 weigh?

An STX 375 weighs 37,620 lb (17,064 kg) unladen.

Weights & dimensions — STX 375 weights and dimensions
Unladen weight37,620 lb · 17,064 kg
Maximum permissible mass39,683 lb · 18,000 kg
Maximum front axle load24,251 lb · 11,000 kg
Maximum rear axle load16,535 lb · 7,500 kg
Wheelbase154.0 in · 3,911 mm
Length297.6 in · 7,558 mm
Width153.0 in · 3,886 mm
Height143.0 in · 3,631 mm
Front track75.0–129.0 in · 1,905–3,277 mmWikibooks gives one track for both axles
Rear track75.0–129.0 in · 1,905–3,277 mmWikibooks gives one track for both axles

Source · Traktorenlexikon, “Case-IH STX 375”

How much fuel does an STX 375 burn per hour?

Measured on OECD Test 1955 (tested as the STX 375 (Articulated 4 WD)), at each condition the laboratory recorded.

Cost per hour = fuel used per hour × your fuel price (per litre, or per US gallon for the gal/h figure).

Fuel use measured on OECD Test 1955
Test conditionFuel per hour
Maximum PTO powerPTO 288.3 kW (386.6 hp) at 801 rpm72.15 L/h 19.06 gal/h
Rated engine speedPTO 252.0 kW (337.9 hp) at 1,001 rpm72.17 L/h 19.07 gal/h
Standard PTO speedPTO 252.0 kW (337.9 hp) at 1,001 rpm72.17 L/h 19.07 gal/h
75% load, 50% loadNot on record for this test

Source · OECD Test 1955

Which tractors compare with an STX 375?

Within 10% of its 337.9 hp at the PTO (claimed), the same type, and first built within 15 years of it.

Everything else people ask

Is an STX 375 two-wheel drive or four-wheel drive?

The Case-IH STX 375 was built in four-wheel drive (4WD) and four-wheel drive with equal-size wheels versions, depending on configuration.

What PTO does an STX 375 have?

An STX 375 has a 1000 rpm rear PTO on a 1 3/4"- 20 splined (Form-3) shaft.

Where this page comes from

Compiled from OECD tractor test report 1955; Traktorenlexikon, “New Holland TJ375”; and Traktorenlexikon, “Case-IH STX 375”.

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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