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Meritor, Dana and Fabco options available


Horsepower (bhp @ 1700 rpm) Torque Peak (lb-ft @ 1000 rpm) Gov. Speed (rpm) Fully Developed Torque (LB-FT @ 800 RPM)


Set-Back Axle (SBA), 116-inch and 122-inch Bumper to Back of Cab (BBC) available
Industry Leading Turning Radius
Durable, heat-treated alloy steel frame rails
12.0-inch rail size: 110,000 and 120,000 psi yield strength
Length variable in 2.0-inch increments
Available with rail reinforcements: one or two frame reinforcements available
Superior routing and clipping of all hoses and wires

Front Suspension

Multileaf, shackle type, single or two-stage spring
Multileaf, slipper type
Compatible shock absorber selection

Fuel Tanks

Fuel tanks available in 60, 80, 100 and 120 gallon capacities
Single left, single right or dual options available
Aluminum alloy construction

Rear Suspension

Hendrickson suspension offerings: HaulMaax, HN, RT/RTE, RS, R, PriMaax
Chalmers high articulation


A natural extension of the rugged Caterpillar product line, the CT660 is built for unparalleled driver satisfaction, maximum payloads, unprecedented uptime and low cost of ownership in dozens of applications.
  • Designed with extensive customer input
  • Available in truck or day-cab configurations
  • Custom built to your specifications
  • Backed by the Cat Dealer network

CT660 Interior Features

For decades, we've been designing machine cabs that combine comfort and functionality - and it shows in the CT660's spacious interior. Ergonomic controls reduce driver fatigue, while interior details enhance driver and jobsite safety and productivity.
  • Ergonomically designed control panel gives drivers complete command and control.
  • Adjustable, air-suspended driver’s seat delivers comfort all shift long.
  • Premium design and materials dramatically reduce vibration and cab noise.

CT660 Exterior Features

With its aerodynamic lines, refined hood, striking black grille and bold Cat® badge, the CT660 is sure to turn heads. But its real beauty lies in its features - designed by Caterpillar to deliver all the performance and rugged durability you demand.
  • Aluminum alloy cab construction reduces overall weight for maximum payloads.
  • Sloped hood increases visibility and decreases wind drag for improved fuel efficiency.
  • Modular design allows for quick, cost-effective replacement of damaged components.


Before we put a single design for the CT660 on paper, we spent hundreds of hours on the road asking customers to describe the ideal truck. Our design team rode alongside drivers and gathered input on everything from specs and comfort to visibility and performance. The result? The CT660 is the truck you told us you need for today's demanding jobs -- custom built to your specifications, so you can put it to work for your business right away.