International WorkStar (7400/7600)
InternationalClass 8

International WorkStar (7400/7600)

The vocational workhorse of its era.

The WorkStar arrived for the 2008 model year when International dropped its numeric "thousand series" badging (7000, 8000, 9000) in favor of descriptive names, rebranding the 7400/7600 severe-duty trucks with a new hood, grille and MaxxForce engine options. Built for tough vocational work, it offered 6x4 and 6x6 tandems plus an unusual 8x6 tridem on the 7600, with ratings up to 76,000 pounds GVWR before the HV Series replaced it in 2018.

Maker
International Motors, LLC (Traton SE / VW Group)
Years
2008–2020
Body
Vocational
Rating
Up to 66,000 lb GVWR
Power
Up to 475 hp
Applications
Dump, Plow, Concrete
Engines
International DT570MaxxForceCummins ISL

Trouble with your WorkStar (7400/7600)?

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Common replacement parts

Real products from the PartsNow catalog. Confirm fitment with Mike before ordering.

3030HNTRX - 3030 SPEC LONG SHAFT HNTRX BRAKE CHAMBER

3030HNTRX

3030HNTRX - 3030 SPEC LONG SHAFT HNTRX BRAKE CHAMBER

OTR10143 - AUTO SLACK ADJUSTER, 11/2-10DRIVE 5.5,6.5

OTR10143

OTR10143 - AUTO SLACK ADJUSTER, 11/2-10DRIVE 5.5,6.5

5-808330 - BRAKE KIT FOR 4709DEN SHOES

5-808330

5-808330 - BRAKE KIT FOR 4709DEN SHOES

370036A - OIL BATH SEAL

370036A

370036A - OIL BATH SEAL

348-4195 - HUB CAP (SENTINAL LARGE DIAM)

348-4195

348-4195 - HUB CAP (SENTINAL LARGE DIAM)

5008414PGBXW - AIR DRYER CARTRIDGE, PURAGUARD

5008414PGBXW

5008414PGBXW - AIR DRYER CARTRIDGE, PURAGUARD

11444 - GLADHAND BRACKET MOUNT

11444

11444 - GLADHAND BRACKET MOUNT

15W40 OIL - 15W40 OIL (ROTELLA) GAL JUG

15W40 OIL

15W40 OIL - 15W40 OIL (ROTELLA) GAL JUG

Brakes & Wheel EndAir SystemFiltrationElectrical & LightingSuspension & SteeringCooling SystemDrivetrainBody & CabExhaust
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More International models

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LT Series

International's aero flagship for the highway.

RH Series

Regional hauler built around driver comfort.

HX Series

Premium severe-service flagship.

HV Series

The bread-and-butter vocational International.

MV Series

The flexible medium-duty backbone.

LoneStar

Retro-styled showpiece inspired by the 1930s.

ProStar

The aero workhorse that sold by the hundreds of thousands.

DuraStar (4300/4400)

The medium-duty fleet standard for two decades.

CV Series

Commercial-grade muscle from the only Class 4/5 truck built by a real truck company.

eMV Series

The zero-emission medium-duty workhorse, built on the proven MV.

PayStar

The set-back-axle severe-duty legend that conquered the jobsite.

TranStar

The regional-haul tractor built to grind out the short runs.

9900i

The square-hood, long-nose icon for owner-operators who wanted to be seen.

4700 / 4900 (4000 Series)

The DT466-powered medium-duty backbone that just won't die.

TerraStar

Medium-duty toughness in a Class 4/5 package, available in 4x4.