On-Highway Trucks:

CT660 On-Highway Truck

Engine Model
Cat® CT13 Engine
Horsepower @ 1700 rpm
365 - 475 hp (268 - 349 kW)
Maximum Gross Input Power
550.0 hp
Maximum Gross Input Torque
1700.0 lb ft

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.



Benefits & Features

Product Specs

  • Engine

  • Engine Model
    Cat® CT13 Engine
    Horsepower @ 1700 rpm
    365 - 475 hp (268 - 349 kW)
    Bore
    4.96in
    Engine Type
    Diesel, 4-Cycle
    Configuration
    Inline 6-Cylinder
    Stroke
    6.54in
    Compression Ratio
    17:1
    Displacement
    758.0in3
    Aspiration
    Dual Series Turbochargers, Intercooler and Aftercooler
    Combustion System
    Direct Injection
    Lubrication System Capacity
    42.0qt
    Coolant Drain Interval
    600,000 miles (965,606 km)
    Total Engine Weight (Dry)
    2400.0lb
    Width
    37.0in
    Length
    59.0in
    Height
    49.0in
    Valves
    4 Valves Per Cylinder, Overhead Cam Actuated
    Peak Torque @ 1000 rpm
    1250 - 1700 lb-ft (1695 - 2305 Nm)
  • Transmission

  • Maximum Gross Input Power
    550.0hp
    Maximum Gross Input Torque
    1700.0lb ft
    Transmission Model
    Cat CX31® Automatic Transmission
    Speeds
    6 forward/1 reverse
    Torque Converter:
    Cast aluminum design with lock up clutch
    Clutches:
    Electro-hydraulic fully modulated, oil cooled, multidisc
    Maximum Input Speed:
    2500 rpm
    Length
    35.3in
    Overall Length with Retarder Option
    39.4in
    Overall Weight (approx.)
    906.0lb
    Overall Weight with Retarder Option
    1088.0lb
    Power Take-Off
    Two side locations and a Cat exclusive high output rear PTO
    Rear PTO Capacity (rotation opposite of engine, at 1.25 engine speed)
    800.0ft-lb
    Side PTO Capacity (rotation same as engine, ratio determined by PTO adaptor)
    700.0ft-lb

Equipment

  • Chassis
    • Set-Back Axle (SBA), 116-inch and 122-inch Bumper to Back of Cab (BBC)
    • 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
  • Axles
    • Meritor, Dana and Fabco options available
  • Front Suspension
    • Multileaf, shackle type, single or two-stage spring
    • Multileaf, slipper type
    • Compatible shock absorber selection
  • Rear Suspension
    • Hendrickson suspension offerings: HaulMaax, HN, RT/RTE, RS, R, PriMaax
    • Chalmers high articulation
  • Fuel Tanks
    • Fuel tanks available in 60, 80, 100 and 120 gallon capacities
    • Single left, single right or dual fuel tanks
    • Aluminum alloy construction
  • Transmissions
    • Cat CX31 Automatic Transmission
    • Manual and UltraShift Plus Vocational transmissions built by Eaton are also available as options on the CT660

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