On-Highway Trucks:

CT680

Engine Model
Cat® CT13 Engine
Horsepower @ 1700 rpm
410-475 hp (305 – 354 kW)
Maximum Gross Input Power
550.0 hp
Maximum Gross Input Torque
1700.0 lb ft

A natural extension of the Cat® product line, the Cat CT680 Vocational Truck delivers all the power, performance and productivity you expect from Caterpillar. This Class 8 set-forward axle model—ideal for hauling heavy loads—features a spacious and ergonomic cab, industrial styling, vocational-specific engine and transmission options, and bumper-to-bumper support across North America.



Benefits & Features

Product Specs

  • Engine

  • Engine Model
    Cat® CT13 Engine
    Horsepower @ 1700 rpm
    410-475 hp (305 – 354 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
    1700 lb-ft (2304 N-m)
  • 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

  • Chasis
    • Set-forward axle, 124-inch bumper to back of cab (BBC)
    • 12.25-inch rail size: 120,000 psi yield strength
    • Mega Bracket Design
  • Axles
    • Meritor & Dana options
    • 6x4, 8X6 configurations
    • Tandem: Dana Spicer & Meritor 40,000 – 70,000 lbs. Standard truck
    • Front Axle: Meritor 12,000 – 20,000 lbs.
  • Front Suspension
    • Parabolic taper leaf for a smoother ride
    • Shock absorbers standard
    • Optional two-stage, multi-leaf, shackle-type with shocks
  • Rear Suspension
    • Hendrickson offerings: HMX, HAS, RS, R & PAX
    • Chalmers standard & high articulation
    • Capacities from 40,000-85,000 lbs.
  • Fuel Tank
    • 80-, 100- & 120-gallon capacities
    • Single left, dual under cab, or back of cab options
    • Aluminum alloy construction
  • Transmission
    • Cat CX31 Automatic Transmission
    • A variety of manual transmissions and the Ultrashift® Plus Vocational Transmission built by Eaton
  • On-board Technology
    • Vehicle Infotainment System
    • Bendix Tire Pressure Monitoring System

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