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The Cat 320D3 Excavator balances productivity, efficiency and reliability to deliver you reliable, highly efficient, low-cost per-hour excavator solutions for a wide range of job site tasks. Work in comfort from its industry-leading cab with great visibility, controls and technology.
Benefits
Up To
5%
Lower Maintenance Costs
With 20% less refill oil volume than the 320D2 and reduced frequency of refills increases uptime and reduce costs.
Up To
15%
More Fuel Efficient
An optimized power train and improved hydraulic power deliver more work per unit of fuel compared to the 320D2.
Up To
7%
More Hydraulic Power
New tandem hydraulic pumps provide more hydraulic power with less internal friction to increase overall efficiency.
Features At A Glance
MOVE MORE WITH LESS FUEL
The excavator uses up to 15 percent less fuel than the 320D2 in similar applications. Reduce fuel consumption further by 15 percent in Economy mode with no loss in lifting or digging forces.
Boom and stick regeneration circuits reduce fuel consumption by up to two percent while improving cycle times.
Use automatic engine speed control (AEC) during no-load or light-load conditions to automatically reduce engine speed to minimize fuel consumption.
New tandem hydraulic pumps provide seven percent more hydraulic power with less internal friction to increase overall efficiency. Each pump can produce a maximum flow of 200 L/min (52.8 gal/min). Hydraulic system components are close together to minimize power loss from friction and pressure drops.
Standard one-touch low idle saves fuel by instantly reducing engine speed to 1,100 rpm at the push of a button. Return the engine speed to the throttle position by hitting the button again or simply moving the joysticks.
PERFORMANCE AND PRODUCTIVITY
Balance power and efficiency using the open-center, negative flow control hydraulic system. Hydraulic cross-sensing makes full engine power always available from hydraulic pumps regardless of which function is used.
Expect reliable performance from the double-filtered low-pressure fuel system and antirust fuel tank that protects the engine from lower quality fuel.
Add versatility by adding tool control to run a hammer or other tools requiring one-way flow. Order tool control with the machine or add it later with a dealer-installed kit.
Product Link™ comes standard so you can remotely monitor location, hours, and idle time on demand through the VisionLink® online interface.
The excavator has a high-ambient capability of 52° C (125° F) and cold start capability of –18° C (0° F). An optional –32° C (–25° F) cold start package is available.
RELIABILITY YOU CAN COUNT ON
A two-stage filtering system with integrated water separator protects the engine from particles larger than five microns when fuel quality is less than ideal.
We designed the stick and boom structures using high-tensile steel fabricated into a large box section using internal baffles to absorb torsional stress. The X-shaped, box-section car body provides excellent resistance to torsional bending, dissipating stress throughout the base of the machine.
Traverse the job site on the Grease Lubricated Track (GLT) undercarriage. Undercarriage rollers are rebuildable and sealed to prevent dirt and debris causing internal wear. Grease lubricated links minimize internal bushing wear, reducing noise and increasing life up to 25 percent.
Robust bottom guards protect machine components that might be damaged while swinging. A thicker bottom guard plate is used under the pump compartment to protect the suction hose.
Hydraulic snubbers in the boom and stick cylinders dampen end-of-stroke impact prolonging the life of your machine.
Safety fuses protect critical electrical components. Thick braiding protects the colored, numbered electrical wires. Non-abrasive connectors keep wiring harnesses in place to prevent failure.
The capsule-type hydraulic return filter prevents contaminants from entering the system when hydraulic oil is changed. If the filter clogs, a warning is displayed on the monitor screen inside the cab.
The swing system uses a ball bearing to help absorb stresses caused by swing torque.
The standard, integrated idler guard helps maintain track alignment while traveling or working on the slopes.
WORK IN COMFORT
The spacious cab provides excellent visibility from the operator’s seat to keep you aware of your surroundings – without bending or straining to see.
Critical machine information is always visible in the new high resolution 178 mm (7 in) analog and LCD monitor.
Intuitive menus mean more time working and less time looking for information.
Work a full day with less fatigue using the ergonomically-designed pilot-operated joysticks matched to operator’s wrist and arm position. Joystick consoles can be adjusted, further improving operator comfort and productivity.
Automatic climate control helps maintain consistent cab temperature. Five outlets ensure proper air circulation to keep you comfortable regardless of outside temperatures.
Keep your phone or other personal electronics charged using the two standard 12V auxiliary power ports delivering up to 10 A of power.
Seat adjusts to accommodate a variety of operator size and weight. Wide adjustable armrests and retractable seatbelt are also included.
Standard cab equipment. To enhance operator comfort and productivity, the cab includes a lighter, drink holder, coat hook, service meter, magazine rack and storage compartment.
There is plenty of room for you to store your gear. There are two storage locations at the rear of the right console and one space for your lunchbox behind the seat.
SAFETY FIRST
The standard hydraulic lockout lever prevents operators from leaving the cab without first isolating all hydraulic functions. When necessary, you can activate the ground level shut-off switch to stop the fuel to the engine and shut down the machine.
The machine provides you a safe work platform for all routine service and maintenance needs. Anti-skid plating with countersunk bolts reduces the potential for slippage and trip hazards.
A battery disconnect switch helps to deter theft by isolating the battery and enhances safety when servicing the machine.
A full-length firewall separates the engine from the hydraulic pump and offers protection in the event of an incident.
We designed the cab to provide excellent visibility from the operator’s seat. In addition, two standard mirrors help keep you aware of your surroundings.
The machine can be equipped with a Falling Object Guarding System (FOGS) guard that conforms to the ISO 10262 standard. These guards are bolted directly to the cab shell.
SAVE ON SERVICE AND MAINTENANCE
Lower your maintenance costs by up to five percent with 20 percent less refill oil volume than the 320D2, an extended first engine oil change interval (500 hours), and maintenance-free batteries.
Easily maintain your machine. Most service locations are easily accessible at ground level to allow service and maintenance to get completed quickly and efficiently. A service door on the right side of the upper structure allows ground-level access to the hydraulic pumps, hydraulic filters, and fuel filters.
Easily access the proven, high-efficiency radial seal engine air filter behind the cab. The machine constantly monitors the engine air filter and will notify you, via the monitor, when service is required.
A remote greasing block on the boom allows the greasing of hard-to-reach locations. A remote mounted greasing point on the swing bearing allows ease of service.
Robust service doors open wide for easy access to service points. Latches firmly hold the doors in the open position to prevent accidental closing while servicing – even on windy days. On the top of the machine, the large engine hood provides easy access to the engine and cooling compartments.
Routine cleaning is made easier with the single plane cooling package design.
Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Assist
Equipment Management
Grade
Payload
Productivity
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.
Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.
Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.
Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.
My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.
Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.
Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.
Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.
My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.
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.
Cat® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.
Cat® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.
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