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Case-IH STX 440 Hydraulics & PTO specifications

21 hydraulics and PTO values on record for the STX 440.

Engine power, claimed · gross or net not stated

434.0 hp

323.6 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Case-IH STX 440”, claimed

How much will an STX 440 lift?

An STX 440 lifts 24,617 lb (11,166 kg) at the lower-link ends.

Hydraulics & hitch — STX 440 Hydraulics & hitch
Hydraulic centreClosed centreSource 1
Pump flow41.0 gpm · 155.2 L/min
Hydraulic pressure3,002 psi · 207 bar
Three-point hitch categoryCategory 4
Lift capacity at ball ends24,617 lb · 11,166 kg
Hitch controlPosition, draft and mixed control

Source · Traktorenlexikon, “Case-IH STX 440”

What PTO does an STX 440 have?

An STX 440 has a 1000 rpm rear PTO.

PTO — STX 440 PTO
Rear PTO drive, optionalEngine-driven
Rear PTO independence, optionalIndependent
PTO engages under load, optionalYes
Rear PTO speeds1000 rpm
Rear PTO shaft1 3/4"- 20 teilig (Form-3)
PTO power, claimed400.7 hp · 298.8 kWClaimed; standard not stated by the source

Source · Traktorenlexikon, “Case-IH STX 440”

How much power does an STX 440 deliver at the PTO?

On OECD Test 1957, the STX 440 delivered 454.2 hp (338.7 kW) at the PTO shaft, at maximum power.

OECD Test 1957 — STX 440 as tested, configuration as printed: “Articulated 4 WD”
PTO power, at maximum power454.2 hp · 338.7 kWAt 851 PTO rpmAt 1,700 engine rpm
PTO power, at rated engine speed400.7 hp · 298.8 kWAt 1,001 PTO rpmAt 2,000 engine rpm
PTO power, at standard PTO speed400.7 hp · 298.8 kWAt 1,001 PTO rpmAt 2,000 engine rpm
PTO shaft speed, at maximum power851 rpm
PTO shaft speed, at rated engine speed1,001 rpm
PTO shaft speed, at standard PTO speed1,001 rpm
Hydraulic power, at maximum power50.8 hp · 37.9 kW
Hydraulic pump delivery, at maximum power35.6 gpm · 134.8 L/min
Three-point lift force21,492 lbf · 95.6 kN

Source · OECD test report 1957, 2001

Where this page comes from

21 hydraulics and PTO values from OECD test report 1957, 2001; and Traktorenlexikon, “Case-IH STX 440”.

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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 2/1 957: Case IH STX 440 — Licence not stated by the publisher; facts cited, OECD-1957 · published 2001-05-31 · retrieved 2026-09-14. OECD. Original document
  2. Traktorenlexikon: Case-IH STX 440 — CC BY-SA 4.0, WIKIBOOKS-TL-115864 · revision 985168. Wikibooks contributors (Traktorenlexikon). Original document