D4

D4 Dozer

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Virtual product tour thumbnail
D4 Dozer
D4 Dozer Visibility Graphic
D4 Dozer
From the D1 to the D11, Cat Dozers now have simpler names but the same reliable performance.
D4 Dozer
D4 Dozer
D4 Dozer
D4 Dozer
D4 Dozer
D4 Dozer
D4 Dozer
D4 Dozer
D4 Dozer Customer Benefits
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Net Power - ISO 9249
135 hp
Power - Net
130 hp
Net Power - ISO 9249 (DIN)
137 mhp
The Cat® D4 dozer, formerly the D6K2, is a versatile bulldozer designed for grading, site preparation and finish work. It delivers the power, precision and forward visibility operators need to get jobs done quickly, with up to 30% better visibility in front of the blade. Standard Cat Assist and available Cat Grade technologies help improve productivity and ease of operation, while fuel-efficiency and service improvements help reduce operating costs.
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THE RUNDOWN

Cat® D4 Dozer Performance and Forward Visibility
Cat D4 Dozer - Big Performance, Better View
  • The Cat® D4 dozer delivers powerful, precise grading performance with up to 30% better visibility to the area in front of the blade, thanks to a lower, sloping hood line.
  • Fast steering response and superior maneuverability help operators move efficiently, reposition quickly and complete grading work with confidence.
  • An undercarriage with eight bottom rollers and two carrier rollers is optimized for smooth finish grading and a more comfortable ride, even at higher grading speeds.
  • The Cat C4.4 engine with twin turbochargers and hydrostatic transmission provides strong fuel efficiency and one of the most power-dense drivetrains in its size class.
Operator Comfort and Cab Controls
Cat D4 Dozer - Cab and Comfort
  • The updated D4 dozer cab is designed for operator comfort, convenience and productivity during long workdays.
  • A larger C-frame step improves access and egress from the machine.
  • The improved seat includes enhanced suspension and multiple adjustments for personalized comfort.
  • Bi-directional control lets operators preselect forward and reverse gears to reduce effort, match the application and save settings in an operator profile.
  • A 10 in (254 mm) touchscreen main display provides an easy-to-use interface common across the latest Cat dozer lineup.
  • A standard high-definition rearview camera displays prominently on the main screen to support jobsite awareness.w
  • Additional in-cab storage helps keep essential items organized and within reach.
  • A USB port and additional 12V ports add charging and connectivity convenience.
    • Cat Assist Technology for Easier Dozer Operation
    Cat D4 Dozer - Assist Advantage
    Cat Assist features help make dozer operation easier by automating selected blade and steering functions. These technologies can help newer operators work closer to experienced-operator productivity levels while reducing effort, fatigue and rework for seasoned operators.
    • Attachment Ready Option (ARO) with Assist is standard on D4 dozers.
      • Cat Grade with Slope Assist™ automatically maintains a pre-established blade position without a GNSS/GPS signal, additional hardware or additional software. Machines equipped with 3D can switch between full 3D automatics and Slope Assist.
      • Steer Assist automates track and blade tilt steering to help maintain straight travel on flat ground and side slopes, reducing steering inputs by up to 75% without GNSS/GPS.1
      • Stable Blade works with operator inputs to help create a smoother surface during manual operation.
      • Blade Load Monitor provides real-time feedback on current blade load versus optimal blade load based on ground conditions, helping operators reach productive pushing capacity.2
      • Traction Control automatically reduces track slip to help save time, fuel and undercarriage wear.2
      • AutoCarry™ automates blade lift to maintain consistent blade load and reduce track slip.2
      • Slope Indicate appears in the main machine display and shows side slope plus uphill/downhill grade information for slope work.
      • ARO provides wiring and mounting provisions for dealer installation of Cat Grade with 3D, AccuGrade, UTS or other grade control systems.
    *Feature not operational indoors or in areas where a GNSS/GPS signal is not available.
    Cat Grade with 3D for Precision Grading
    Cat D4 Dozer - Cat Grade with 3D
  • Factory-integrated Cat Grade with 3D uses GNSS/GPS to control the blade and help operators grade to design plan faster.
  • Cat Grade with 3D eliminates masts by integrating low-profile antennas into the cab roof and mounting GNSS/GPS receivers inside the cab for added protection.
  • Steer Assist 3D can automatically follow guidance lines from design plans, including curb lines, centerlines and slope bottoms, with reduced operator effort.
  • The grade operator interface uses an intuitive 10 in (254 mm) touchscreen on an Android OS platform, with a familiar smartphone-style experience.
  • Cat Grade systems are compatible with radios and base stations from Trimble, Topcon and Leica.
  • Existing grade-control infrastructure can be used by installing systems from Trimble, Topcon or Leica on the machine.
  • The cab is Third Party Grade Control Ready, with CAN interface, harness pass-throughs and mounting features that simplify installation of the grade control system of choice.
    • Connected Fleet Management
    Cat D4 Dozer - Connected Fleet Management
  • VisionLink® gives users access to fleet information anytime, anywhere, helping support decisions that can improve productivity, lower costs, simplify maintenance and enhance jobsite safety and security.
  • Product Link™ collects machine data that can be viewed through online and mobile applications.
  • Remote Troubleshoot can save time and money by allowing a Cat dealer to perform diagnostic testing remotely.
  • Remote Flash updates onboard software without a technician onsite, at a convenient time, potentially reducing update times.
    • Fuel Efficiency and Operating Cost Savings
    Cat D4 Dozer - Fuel and Operating Costs
  • Eco modes optimize engine speed while maintaining ground speed and power, helping save fuel in lighter blade-load applications such as finish grading.
  • Idle-management features reduce engine speed when idling or shut the machine down after a specified time to save fuel and support idling-regulation compliance.
  • An efficient cooling package improves airflow, helping reduce fan speed and save additional fuel in cooler conditions or lighter applications.
  • Cat Abrasion™ undercarriage is a low cost-per-hour solution for high-abrasion, low-impact jobsites, with a design that doubles seal life, eliminates bushing turns and can reduce costs per hour compared to traditional undercarriage.
  • Cat Precision Cutting Edges protect blade investment with more wear material and lower cost per hour, plus more wear material on extended-wear-life edges. Built-in wear indicators help operators know when to flip cutting edges and avoid costly blade repairs.
    • Maintenance, Serviceability and Uptime
    Cat D4 Dozer - Maintenance, Serviceability and Uptime
  • Engine oil and engine oil filter service intervals have been extended to 1,000 hours.
  • The updated fuel system includes a DEF filter service interval that is more than three times longer.
  • LED lights offer up to six times the life of halogen lights.
  • A larger engine compartment door improves access to service and maintenance points.
  • The lower service panel can be removed without tools for quick engine compartment and filter inspections.
  • Ground-level access to hydraulic filters and the primary fuel filter/water separator simplifies routine service.
  • An optional rear-mounted bracket keeps a shovel handy on the machine.
  • The monitoring system performs automatic checks at startup.
  • The trunnion grease point can be reached without bending down.
  • Optional ground-level fast fuel fill helps speed refueling.
  • A longer drawbar platform improves convenience for fuel fill and rear-camera cleaning.
    • Sustainability
    Cat D4 Dozer Sustainability
  • The Cat C4.4 engine meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014, and Korea Stage V emission standards.
  • The D4 emits up to 5% less CO2 than the previous D6K2.
  • Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) ** or 100% renewable diesel, HVO (hydrogenated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
  • Auto Engine Speed Control helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
  • AutoCarry automates blade lift to reduce track slip for maximum efficiency on each pass to help lower fuel burn and greenhouse gas emissions.
  • Cat Grade with Slope Assist helps you avoid costly rework and wasteful fuel burn and greenhouse gas emissions by automating your blade position without a GPS signal.
  • Cat Grade with 3D automates blade movements using a GPS signal helping you follow a grade design, reducing fuel burn and greenhouse gas emissions by improving efficiency and accuracy.
  • Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
  • VisionLink displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
  • Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.
  • Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.
    • Engine
    Net Power - ISO 9249135hp
    Power - Net130hp
    Net Power - ISO 9249 (DIN)137mhp
    Engine Power - ISO 14396157hp
    Engine Power - ISO 14396 (DIN)159mhp
    Engine ModelCat C4.4
    EmissionsMeets U.S. EPA Tier 4 Final/EU Stage V/Japan 2014/Korea Stage V emission standards
    Build Number16C
    Note (1)Net power available at the flywheel when the engine is equipped with fan, air cleaner, aftertreatment, and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
    Note (3)Machine Build Number 16B
    Note (2)Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or "Caterpillar Machine Fluids Recommendations" (SEBU6250) for details. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
    Weights
    Operating Weight29259lb
    Transmission
    PowertrainHydrostatic Transmission
    Service Refill Capacities
    Fuel Tank69gal (US)
    DEF Tank5gal (US)
    D4
    Operating Weight29259lb
    Blade Capacity4.26yd³
    BladeVPAT or VPAT Foldable*
    Ground Pressure5.9psi
    Width of Standard Shoe22in
    D4 LGP
    Operating Weight30882lb
    Blade Capacity4.98yd³
    BladeVPAT or VPAT Foldable*
    Ground Pressure4.5psi
    Width of Standard Shoe30in
    Blades
    Note*VPAT foldable blades have the same capacity and width as the Standard/LGP VPAT blades.
    Air Conditioning System
    Air ConditioningThe air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.6 kg (3.5 lb) of refrigerant which has a CO2 equivalent of 2.288 metric tonnes (2.521 tons).
    Sustainability
    Recyclability93%
    Standard Equipment

    NOTE

    • Standard and optional equipment may vary. Consult your Cat dealer for details.

    POWERTRAIN

    • Cat C4.4 diesel engine
    • Air cleaner with integrated precleaner, dust ejector and under hood air intake
    • Auto engine speed control
    • Electric fuel pump
    • Hydrostatic, infinite variable speed transmission

    OPERATOR ENVIRONMENT

    • Standard ROPS/FOPS cab
    • Integrated air conditioning
    • Air-suspension cloth seat
    • Adjustable armrests
    • 254 mm (10 in) touchscreen display
    • Rearview camera
    • Electronically programmable speed selector
    • Electronic engine air cleaner service indicator
    • Entertainment radio ready

    CAT TECHNOLOGY

    • Slope Indicate
    • Cat Assist with ARO Package
    • Cat Grade 3D Ready with Assist Package (Hardware Only)
    • Compatibility with radios and base stations from Trimble, Topcon, and Leica
    • Capability to install 3D grade systems from Trimble, Topcon, and Leica
    • Product Link™ — cellular
    • Remote Flash/Troubleshoot

    ELECTRICAL

    • 105 amp brush-type alternator (24 volt)
    • Backup alarm
    • Diagnostic connector
    • Standard Lights - 6 LED

    UNDERCARRIAGE

    • Heavy Duty undercarriage
    • Cat Abrasion undercarriage
    • Lifetime lubricated track rollers (8 + 2 carrier rollers) and idlers

    SERVICE AND MAINTENANCE

    • Extended service intervals (1,000 hours engine oil and filter, 1,000 hours powertrain)
    • Ecology drains

    BLADES

    • VPAT blade
    • Powered blade pitch (North America only)

    ATTACHMENTS

    • Front pull device
    Optional Equipment

    NOTE

    • Standard and optional equipment may vary. Consult your Cat dealer for details.

    POWERTRAIN

    • Precleaner with turbine
    • Auto reversing fan

    OPERATOR ENVIRONMENT

    • Premium cab package
    • Heavy Duty cab package
    • Radio, AM/FM/AUX/USB Bluetooth®
    • Cat Grade 3D with Assist Package
    • Product Link™ — dual cellular/satellite

    ELECTRICAL

    • Premium Lights - 12 LED

    UNDERCARRIAGE

    • Track guiding guards – full, center, front/rear

    SERVICE AND MAINTENANCE

    • Fast fill ready
    • Bio hydraulic oil
    • Cold weather package (120V or 240V)
    • Shovel mounting bracket
    • High speed oil change

    BLADES

    • Folding VPAT blade
    • Manual blade pitch
    • Precision Cutting Edges

    ATTACHMENTS

    • Ripper Ready package
    • Winch ready
    • Dual Ripper/Winch Ready package
    • Winch (dealer installed)
    • Ripper with curved or straight shanks
    • Drawbar
    • Rear counterweight
    • Protection packages