Cat CT660

With its aerodynamic lines, curved hood, striking grille and bold Cat badge, the Cat CT660 Vocational Truck definitely turns heads. But its real beauty lies in the performance and durability it delivers on the road and job site.


Hard Work Never Looked So Good

Aluminum alloy construction, sloped hood, wraparound windshield, heated mirrors and halogen headlights—they all come together to make the CT660 a reliable, productive and safe performer no matter what your application.

Increase Your Versatility

Available in truck or day-cab configurations, the CT660 features a set-back axle with 116-inch and 122-inch bumper to back of cab lengths—providing an extra tight turning radius for enhanced maneuvering.

Simplify Maintenance

Key components are grouped and ground-accessible, and the grille and bumper’s modular design makes replacement quick and affordable.

Maximize Payloads

The cab’s durable aluminum alloy construction not only translates into longer life, but also means lower overall weight to improve productivity.

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The Ultimate Work Environment

For decades, we’ve designed machine cabs that combine comfort and functionality. It shows in the CT660’s spacious interior, with its wide design, superior ride, ergonomic details and host of thoughtful features.

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Increase Safety

Easy-to-reach gauges, switches, controls and compartments—combined with superior visibility and lighting—keep drivers alert to possible hazards.

Get All-Day Comfort

The driver’s seat features air suspension and highly adjustable lumbar support, and there’s plenty of floor-to-ceiling height, shoulder room and belly room.

Reduce Fatigue

Premium grade sound insulation, tuned cab air suspension system, and ergonomic dash and center stack minimize fatigue, enhance safety and increase productivity.

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The Power & Performance You Expect From Caterpillar
Cat CT13 Engine
  • Ratings from 365-475 bhp & 1,250-1,700 lb-ft peak torque
  • Advanced air management system
  • High-pressure, common-rail fuel system
  • Dual sequential turbochargers & high-pressure injection system
  • Highly efficient Selective Catalytic Reduction (SCR) solution
  • Single Electronic Control Module (ECM)
  • Easy-access systems & components
  • Compacted graphite iron block
Cat CX31 Automatic Transmission
  • Proven track record in vocational applications
  • Full power shifts & quick acceleration
  • Ideal speed & torque combinations for improved fuel economy
  • Two side PTO locations & Cat exclusive rear PTO
  • Six forward speeds & one reverse speed
  • Other options: Manual & Ultrashift® PLUS Vocational Transmissions built by Eaton
  • Meritor, Dana & Fabco options
  • 6x4, 8x6, 6x6 & 4x4 day cab or tractor configurations
Front Suspension
  • Multi-leaf, shackle type, single or two-stage spring
  • Multi-leaf, slipper type
  • Compatible shock absorber selection
  • Parabolic taper leaf for a smoother ride
Rear Suspension
  • Hendrickson offerings: HMX, HAS, RT, RS, R, PAX
  • Chalmers: standard and high articulation
Fuel Tanks
  • 70-, 80-, 100- & 120-gallon capacity
  • 9.5-gallon diesel exhaust fluid tank
  • Single left, dual under cab/back of cab options
  • Aluminum alloy construction

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