International WorkStar® Heavy-Duty Diesel

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Heavy-Duty Diesel Performance Keeps You Moving

When your work serves up extreme challenges, you need a vehicle capable of handling them. That’s why we offer the International® WorkStar.® It’s the very face of toughness and extreme capability, offering a strong standard frame rail system and widetrack axles for maximum maneuverability.

With the power of the MaxxForce® 13L SCR-based engine, WorkStar delivers the strength and endurance needed to tackle the most difficult tasks. And with the brains of the Diamond Logic® electrical system monitoring the status of the vehicle, WorkStar also lets you work harder, smarter and more efficiently.

Additional information



Model Year

2014, 2015


WorkStar® Heavy-Duty Diesel


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Class 8 (GVW 33,001 lbs or more)

Gross Vehicle Wt Rating

35,000 – 73,000 lbs

Power Steering

Single power Dual power on front axle 16,000 lbs. and above


Heat treated alloy steel, 120,000 psi

Engine Make


Engine Model



Up to 475 hp


1,700 ft. lbs,

Fuel Tank Capacity

50 – 120 gal.


Configurations: 4 x 2, 6 x 4 or 8 x 6


Horizontal switchback right side under cab with vertical or horizontal tailpipe or vertical switchback with vertical tailpipe

Electrical System

Diamond Logic® electrical system Alternators: 12V 160 – 320A


12V 1,850 – 2,775 CCA


Air drum with ABS


Continental, Goodyear, Michelin

Front Axle Capacity

Meritor: 12,000 – 22,000 lbs. Dana Spicer: 12,000 – 22,000 lbs. Fabco Front Driving: 18,000 lbs.


128 – 262 in.

Standard Features

  • Both truck and selected tractor configurations available
  • Wide-track axles provide maximum maneuverability and up to a 50° wheel cut
  • Cooling system mounted above frame rails to accommodate front-mounted PTO without a hole in the radiator – ensuring maximum durability, cooling capacity, and ground clearance in on / off-highway environments
  • Diamond Logic® electrical system’s on-board diagnostics monitors all vehicle components to reduce downtime and keep you informed of your vehicle’s status
  • Double-sided galvanized steel cab built for quality fit and finish, and long-term protection from corrosion
  • Standard air-ride cab provides smooth ride and increases driver comfort

Models / BBC / BA

  • 7600: 113 in. BBC, 29.5 in. SFA, 45.9 in. SBA

Cab Configurations

  • Day cab
  • Extended cab
  • Crew cab


  • Eaton: 10, 11, 13, 15, 18 speed manual
  • Allison: 4000, 4500 Series (HS, EVS, RDS) automatic
  • Eaton: UltraShift (VCS, VMS, VXP) 10, 11, 13, 15, 18 speed automated manual
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