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Your Caterpillar account is the single account you use to log in to select services and applications we offer. Shop for parts and machines online, manage your fleet, go mobile, and more.
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Class-Leading Productivity with Low Owning & Operating Costs
The Cat® 336 is a high-productivity, low-owning-and-operating cost excavator that will generate more prosperity for you and your business.
Benefits
Class-leading productivity
Powerful hydraulics, large payload capacity, and strong digging force and swing torque make the 336 a top performer.
Low owning & operating costs
Low fuel consumption, long-life filters, and easy-access service points reduce downtime for increased production.
Easy-to-use Cat technology
Available technology makes work simpler, safer, and more efficient.
Features At A Glance
LATEST FEATURES
Optional Cat Command remote control allows you to work outside of the cab to help avoid potential hazards.
Optional Cat Detect - People Detection helps the operator avoid personnel on the jobsite with visual and auditory alerts.
Optional integrated vehicle health management system alerts the operator with service guidance and parts needed to enhance uptime.
Optional single antenna global navigation satellite system (GNSS) gives you visual and auditory guidance to grade.
Optional auxiliary relay powers on and turns off CB radios, beacon lights, and other attachments without you taking your hands off the joysticks.
Enhance visibility to make service work easier and safer with optional inspection lighting.
Make the jobsite safer with an optional swing alarm.
Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 08B
High Performance
The C7.1 twin turbo engine reliably delivers power to the pumps for maximum production.
The electrohydraulic system responds quickly and efficiently to the task at hand.
Match the excavator to the job with three power modes – Power, Smart, and Eco. Power mode is maximum power all the time. Smart mode automatically matches engine and hydraulic power to digging conditions, providing maximum power when needed and reducing power when it isn’t to help save fuel. Eco mode reduces engine speed and keeps it constant to reduce fuel consumption.
Boost Efficiency and Productivity
Boost productivity up to 45 percent with optional Cat Grade technology.
2D Grade indicates depth and slope on the monitor with auditory alerts.
Grade Assist helps you stay on grade – simply and effortlessly – with single-lever digging.
Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with optional Swing Assist, which will help you use less effort and consume less fuel.
Cat Payload on-board weighing helps you achieve precise load targets to improve your operating efficiency. Pick up a load of material – with a bucket and thumb combination or grapple and clamshell attachments – and get a real time weight estimate without even swinging.
Combine Payload with VisionLink® and remotely manage your production targets. The monitor’s USB port lets you download results from one shift all the way up to 30 days of work so you can manage your progress without needing an internet connection or VisionLink subscription.
Upgrade to Cat Grade with Advanced 2D and create and edit grade designs with ease on a second high-resolution 254 mm (10 in) touchscreen monitor.
Want a 3D system to improve your digging results? Caterpillar's new single antenna global navigation satellite system (GNSS) makes it easy by giving you visual and auditory guidance to grade. Plus you can create and edit designs on the touchscreen monitor while you’re on the job. If your application calls for a dual antenna system, it’s easy to upgrade.
Upgrade to our dual antenna GNSS for maximum grading efficiency. The system lets you create and edit designs on the touchscreen monitor while you’re on the job, or you can have the plan design sent to the excavator to make your work easier. Plus you get added benefits of avoidance zones, cut and fill mapping, lane guidance, and augmented reality along with advanced positioning capability.
Know the excavator’s exact position relative to GPS and GLONASS systems. The machine automatically compensates for excavator pitch and roll caused by sloping ground conditions.
All Cat Grade systems are compatible with radios and base stations from Trimble, Topcon, and Leica.
Already invested in a grade infrastructure? You can install grade systems from Trimble, Topcon, and Leica onto the machine.
Remote troubleshoot connects you to a dealer service pro to help solve your problem and quickly get you to work.
Remote flash works around your schedule to ensure your machine’s software is up to date for optimal performance.
Standard Product Link™ provides location, machine hours, fuel usage, productivity, idle time, diagnostic codes, and other machine data on demand through VisionLink online interface, helping you improve jobsite efficiency with lower operating costs.
Built for Rugged Conditions
Reinforced structures ensure long-term durability in harsh environments.
Work up to 4500 m (14,764 ft) above sea level.
Standard high-ambient temperature capability is 52° C (125° F) with cold start capability at –18° C (0° F).
Auto hydraulic oil warmup gets you to work faster in cold temperatures and helps prolong the life of components.
Two levels of filtration protect the engine from low-quality diesel fuel.
Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.
Work in Comfort
Choose between Deluxe and Premium cabs – both with automatic climate control.
Deluxe cab comes with heated seat to keep you warm.
Premium cab comes with heated and ventilated seat for year-round comfort.
Tilt-up left console enables easy entry and exit.
Control the excavator comfortably with easy-to reach controls all located in front of you.
Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles.
Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands free calls.
Simple to Operate
Start the engine with the push of a button; use a Bluetooth key fob or Operator ID passcode.
Program each joystick button, including power mode, response, and pattern, using Operator ID; the machine will remember what you set each time you go to work.
Trouble cutting through tough material? Auto dig boost gives you an automatic power increase of 8 percent when you need it for better bucket penetration, shorter cycle times, and greater payloads.
Need more lift during your shift? Auto heavy lift gives you 8 percent more power exactly when you need it for as long as you need it.
Make moving the excavator much easier with optional Cat Stick Steer. Simply push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.
Make operating easier with the touch of a joystick button. An auxiliary relay allows you to power on or turn off a CB radio, beacon light, and even a dust suppression watering system without taking your hands off the joysticks.
Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or optional 254 mm (10 in) monitor.
Protect your hammer from overworking. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds – all to prevent wear and tear on the attachment and excavator.
Not sure how a function works or how to maintain the excavator? Always have the operator’s manual at your fingertips in the touchscreen monitor.
Enhanced Safety
2D E-Fence prevents the excavator from moving outside of operator-defined set points; the system works with thumb and bucket combinations along with hammer, grapple, and clamshell attachments.
Cat Detect - People Detection helps protect the most valuable asset on any jobsite – people. The system uses smart cameras with depth sensors to provide the operator with visual and auditory alerts so he or she can take immediate action when a person is too close to the excavator.
Enhance jobsite safety by adding Cat Command to your fleet. The remote control system comes with everything you need like WIFI radio, cameras, and microphone so you can work outside of the cab and avoid potential hazards.
The Rollover Protective Structure (ROPS) cab meets ISO12117-2:2008 requirements.
Enjoy great visibility with the help of narrow cab pillars, large windows, and a flat engine hood design.
Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.
Cat Lift Assist helps you avoid tipping by letting you know if your load is within the excavator’s safe working range.
A travel direction indicator helps you know which way to activate travel levers.
Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.
Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the push button starting feature.
A ground-level shutoff switch stops the engine and machine from operating.
Serrated steps and anti-skid punch plate on the service platform help prevent slipping.
A rearview camera is standard.
Easy Maintenance
Boost productivity with proactive service reminders. Our new integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
Expect less maintenance cost due to 1,000 hour engine oil interval.
Change all fuel filters at a synchronized 1,000 hours. Filters are grouped and located on right-hand side of machine for easy maintenance.
Check hydraulic system oil and easily drain fuel system water and fuel tank water from ground level.
The air intake filter with pre-cleaner has high dust holding capacity.
The hydraulic oil filter provides superior filtration; anti-drain valves keep oil clean when the filter is replaced.
The high-efficiency hydraulic fan has an optional automatic reverse function to keep cores free from debris, eliminating the need for any operator interaction.
S∙O∙SSM ports are on ground level, simplifying maintenance and allowing for quick, easy extraction of fluid samples for analysis.
Sustainability
The Cat® C7.1 TTA engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
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.
Cat Grade technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy.
Auto engine speed control reduces unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
Cat® Payload for excavators provides on-the-go material weighing, which helps reduce fuel burn by improving loading efficiency, jobsite productivity, and eliminating trips to the scale.
Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards such as traffic - not only helping keep personnel safe but also helps you avoid repairs, downtime, and costly job site fines.
Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
Cat 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.
*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel.
Standard and optional equipment may vary. Consult your Cat dealer for details.
BOOMS AND STICKS
6.18 m (20'3") Mass boom
6.5 m (21'4") Reach boom
2.55 m (8'4") Mass stick
2.8 m (9'2") Reach stick
3.2 m (10'6") Reach stick
3.9 m (12'10") Reach stick
TB family bucket linkage with/without lifting eye
DB family bucket linkage with/without lifting eye
CAT TECHNOLOGY
Cat Grade connectivity
Cat Grade with Advanced 2D
Cat Grade with 3D single GNSS
Cat Grade with 3D dual GNSS
ELECTRICAL SYSTEM
Maintenance-free 1,000 CCA batteries (x4)
ENGINE
Cold start block heater
52° C (126° F) high-ambient cooling
Hydraulic reverse fan
-32° C (-25° F) cold start capability
HYDRAULIC SYSTEM
Single one-way circuit
Combined two-way circuit
SAFETY AND SECURITY
Cat Detect - People Detection
Cat Command remote control
Swing alarm
Boom lowering check valve
Stick lowering check valve
Inspection lighting
SERVICE AND MAINTENANCE
Integrated vehicle health management system
UNDERCARRIAGE AND STRUCTURES
Full-length track guiding guards
Segmented two-piece track guiding guards
HD rollers
HD swing frame
HD swing bearing
6.8 mt (14,991 lb) counterweight
7.56 mt (16,667 lb) counterweight
600 mm (24") double grouser, triple grouser, HD triple grouser track shoes
700 mm (28") triple grouser track shoes
800 mm (31") triple grouser track shoes
850 mm (33") triple grouser track shoes
DELUXE CAB
High-resolution 254 mm (10") LCD touchscreen monitor
Roller rear sunscreen
Cat Stick Steer
Auxiliary relay
PREMIUM CAB
One-piece front windshield
Cat Stick Steer
Auxiliary relay
Compatible Technology and Services
Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Assist
Detect
Grade
Payload
Cat Grade Assist for Excavators
Cat Grade Assist for excavators automates boom and stick movements for more accurate cuts with less effort. Grade Assist uses machine position sensors and operator defined depth and slope parameters to enable single-lever digging.
Cat Grade Assist for excavators automates boom and stick movements for more accurate cuts with less effort. Grade Assist uses machine position sensors and operator defined depth and slope parameters to enable single-lever digging.
While machines are designed to maximize operator visibility, it can be challenging to constantly monitor what is going on around them. Cat® Detect - People Detection for excavators is an intelligent vision camera system that can alert an operator when someone enters within a machine’s hazard zone.
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While machines are designed to maximize operator visibility, it can be challenging to constantly monitor what is going on around them. Cat® Detect - People Detection for excavators is an intelligent vision camera system that can alert an operator when someone enters within a machine’s hazard zone.
Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.
Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.
Cat Grade with Advanced 2D gives excavator operators the ability to input, edit, and grade simple two-dimensional designs by using real time bucket tip and elevation guidance provided by the system.
Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.
Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.
Cat Grade with Advanced 2D gives excavator operators the ability to input, edit, and grade simple two-dimensional designs by using real time bucket tip and elevation guidance provided by the system.
Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.
Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.
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