CrawlerPerformance profile

CaseIH STX440QT Quadtrac

The CaseIH STX440QT Quadtrac is a powerful articulated crawler tractor built for heavy-duty farming tasks. It features a unique Quadtrac drive system, which combines the benefits of tracks and wheels for excellent traction and reduced soil compaction. The tractor is steered using a smooth hydrostatic power system and has a full power shift transmission with 16 forward gears and 2 reverse gears. Under the hood, the STX440QT boasts a Cummins QSX15 engine, which is liquid-cooled and turbocharged for better performance. This 6-cylinder diesel engine has a very high displacement of 912 ci, making it one of the largest in its class. It produces 440 hp at 2000 rpm, which is above average for tractors of this type. The tractor weighs 51,335 lb, giving it excellent stability for tough jobs. It also features a rear hitch with a category IVN rating, suitable for heavy implements. The STX440QT is equipped with a closed center load sensing hydraulic system, which helps improve fuel efficiency and responsiveness. It has a 12-volt electrical system and an electric starter for reliable operation. With its 44-inch frame width, this tractor is designed to handle large-scale farming operations with ease. CaseIH, known for its high-quality agricultural equipment, has created a machine that combines power, efficiency, and advanced features in the STX440QT Quadtrac.

ManufacturerCaseIHPower440 hpEngine6-cylTransfull power shift
Image not recorded

Quick specs

Category
Crawler
Engine Power Output
440hp
Operating Weight
51,335 lb
Transmission
full power shift
Compare this model

At a glance

How the STX440QT Quadtrac compares

vs. Crawler median

Distribution

Engine Power (hp)

Across all Crawler tractors

440 hp · 80th

This model

18
Median 200 hp
508
This modelCrawler tractorsMediann = 142

The STX440QT Quadtrac ranks at the 80th percentile for engine power among recorded crawler tractors.

Overview

About the CaseIH STX440QT Quadtrac

The CaseIH STX440QT Quadtrac is a powerful articulated crawler tractor built for heavy-duty farming tasks. It features a unique Quadtrac drive system, which combines the benefits of tracks and wheels for excellent traction and reduced soil compaction. The tractor is steered using a smooth hydrostatic power system and has a full power shift transmission with 16 forward gears and 2 reverse gears. Under the hood, the STX440QT boasts a Cummins QSX15 engine, which is liquid-cooled and turbocharged for better performance. This 6-cylinder diesel engine has a very high displacement of 912 ci, making it one of the largest in its class. It produces 440 hp at 2000 rpm, which is above average for tractors of this type. The tractor weighs 51,335 lb, giving it excellent stability for tough jobs. It also features a rear hitch with a category IVN rating, suitable for heavy implements. The STX440QT is equipped with a closed center load sensing hydraulic system, which helps improve fuel efficiency and responsiveness. It has a 12-volt electrical system and an electric starter for reliable operation. With its 44-inch frame width, this tractor is designed to handle large-scale farming operations with ease. CaseIH, known for its high-quality agricultural equipment, has created a machine that combines power, efficiency, and advanced features in the STX440QT Quadtrac.

Full specifications

Every recorded spec

General

ManufacturerCaseIH
ModelSTX440QT Quadtrac
CategoryCrawler tractor
Typearticulated crawler
Operating weight51,335lb

Engine

MakeCummins
ModelQSX15
Power440hp
Cylinders6
Displacement912ci
Bore5.39in
Stroke6.65in

Transmission

Typefull power shift
Forward gears16
Reverse gears2

Chassis & drive

Chassisarticulated crawler
DriveQuadtrac
Steeringhydrostatic power

Hydraulics

Typeclosed center load sensing

Dimensions

Width44in
Operating weight51,335lb

Head to head

STX440QT Quadtrac vs. Crawler median

How the CaseIH STX440QT Quadtrac compares to other Crawler tractors

SpecThis modelCrawler medianDifferencePercentile
Engine Power440 hp200 hp+120%80th
Engine Displacement912 ci468 ci+95%91st
Cylinders66at median50th
Forward Gears1610+60%69th
Operating Weight51,335 lb23,320 lb+120%93rd
Width44 in79.5 in-45%7th

Medians and percentiles are computed from the crawler tractors in our database with a recorded value for each spec (sample sizes 142192 models).

Explore

CaseIH siblings

All CaseIH models →

Explore

Similar-spec models

FAQ

Common questions

How much horsepower does the CaseIH STX440QT Quadtrac have?

The CaseIH STX440QT Quadtrac produces 440 hp from its 6-cylinder engine. Engine displacement is 912 ci.

What hydraulics does the CaseIH STX440QT Quadtrac have?

The CaseIH STX440QT Quadtrac uses a closed center load sensing hydraulic system.

What three-point hitch category does the CaseIH STX440QT Quadtrac use?

The CaseIH STX440QT Quadtrac has a Category IVN three-point hitch.

How much does the CaseIH STX440QT Quadtrac weigh?

The CaseIH STX440QT Quadtrac weighs about 51,335 lb in operating condition.

What transmission is in the CaseIH STX440QT Quadtrac?

Transmission on the CaseIH STX440QT Quadtrac is full power shift, with 16 forward speeds.

What maintenance does the CaseIH STX440QT Quadtrac require?

Like any tractor, the CaseIH STX440QT Quadtrac needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.