Engine
| Net Power - ISO 9249 | 123 HP 92 kW |
| Engine Model | ALUW06DTI ALUW06DTI |
| Engine Power - ISO 14396 | 134 HP 100 kW |
| Bore | 4 in 104 mm |
| Stroke | 4 in 113 mm |
| Displacement | 351 in³ 5.8 l |
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.
Medium Excavators 320D3
Request A Price Find DealerKey Specs
- Net Power - ISO 9249
- 123 HP
- 92 kW
- Operating Weight
- 46300 lb
- 21000 kg
- Maximum Digging Depth
- 20.7 ft
- 6300 mm
Overview
Lower Your Cost Per Hour
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.
Product Specifications for 320D3
Hydraulic System
| Main System - Maximum Flow | 400 l/min (106 gal/min) 400 l/min (106 gal/min) |
| Maximum Pressure - Equipment | 5075 psi 35000 kPa |
| Maximum Pressure - Travel | 5075 psi 35000 kPa |
| Maximum Pressure - Swing | 3625 psi 25000 kPa |
Swing Mechanism
| Swing Speed | 11 r/min 11 r/min |
| Maximum Swing Torque | 45581 ft·lbf 62 kN·m |
Weights
| Operating Weight | 46300 lb 21000 kg |
Service Refill Capacities
| Fuel Tank Capacity | 92.5 gal (US) 350 l |
| Cooling System | 5 gal (US) 19 l |
| Engine Oil | 4.8 gal (US) 18 l |
| Swing Drive - Each | 1.6 gal (US) 6 l |
| Final Drive - Each | 1.3 gal (US) 5 l |
| Hydraulic System - Including Tank | 65.5 gal (US) 248 l |
| Hydraulic Tank | 33.3 gal (US) 126 l |
Dimensions
| Boom | Reach 5.7 m (18'8") Reach 5.7 m (18'8") |
| Stick | HD Reach 2.5 m (8'2") HD Reach 2.5 m (8'2") |
| Bucket | HD 1.00 m³ (1.31 yd³) HD 1.00 m³ (1.31 yd³) |
| Shipping Height - Top of Cab | 10 ft 3050 mm |
| Handrail Height | 9.7 ft 2915 mm |
| Shipping Length | 31 ft 9460 mm |
| Tail Swing Radius | 9 ft 2750 mm |
| Counterweight Clearance | 3.3 ft 1020 mm |
| Ground Clearance | 1.5 ft 450 mm |
| Track Length | 13.5 ft 4080 mm |
| Length to Center of Rollers | 10.9 ft 3270 mm |
| Track Gauge | 7.3 ft 2200 mm |
| Transport Width | 9.2 ft 2800 mm |
Working Ranges & Forces
| Maximum Digging Depth | 20.7 ft 6300 mm |
| Boom | Reach 5.7 m (18'8") Reach 5.7 m (18'8") |
| Stick | HD Reach 2.5 m (8'2") HD Reach 2.5 m (8'2") |
| Bucket | HD 1.00 m³ (1.31 yd³) HD 1.00 m³ (1.31 yd³) |
| Maximum Reach at Ground Level | 31.1 ft 9470 mm |
| Maximum Cutting Height | 30.3 ft 9250 mm |
| Maximum Loading Height | 20.7 ft 6290 mm |
| Minimum Loading Height | 8.5 ft 2590 mm |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 19.6 ft 5960 mm |
| Maximum Vertical Wall Digging Depth | 18.9 ft 5720 mm |
| Bucket Digging Force - ISO | 31470 lbf 140 kN |
| Stick Digging Force - ISO | 26530 lbf 118 kN |
320D3 Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
CAB
- Sound suppressed cab with viscous mounts
- Full color 178 mm (7 in) analog and LCD monitor
- Mechanically adjustable seat with seatbelt
- Openable skylight, openable upper windshield and removable bottom windshield
- Automatic air conditioner with pressurized function
CAT CONNECT TECHNOLOGY
- Cat Product Link™
ENGINE
- Two selectable power modes
- One-touch low idle with auto engine speed control
- Two stage fuel filtration system with water separator and indicator
- 52°C (125° F) high-ambient cooling capacity
- 4000 m (13,120 ft) altitude capability
- Radial seal air filter with double filter element
HYDRAULIC SYSTEM
- Boom and stick regeneration circuit
- Boom and stick drift reduction valve
- Auto two-speed travel
- Reverse swing damping valve
- High performance hydraulic return filter
BOOM AND STICK
- 5.7 m (18'8") Reach boom
- 2.5 m (8'2") HD Reach stick
UNDERCARRIAGE and STRUCTURES
- 600 mm (24 in) triple grouser shoes (10 mm/0.4 in thick)
- Grease lubricated track links
- Tie down points on base frame
- Center track guiding guard
- 3.7 mt (8,160 lb) counterweight
- 4050 mm (13'5") standard undercarriage
ELECTRICAL SYSTEM
- Two 750 CCA maintenance free batteries
- Halogen chassis light, left-hand boom light, cab lights
SERVICE AND MAINTENANCE
- Sampling ports for Scheduled Oil Sampling (S.O.S)
- Single plane cooling arrangement
- Radiator screen
SAFETY AND SECURITY
- Rear window emergency exit
- Two rearview mirrors
- Hydraulic lock out lever
- Ground-level engine shutoff switch
- Right-hand handrail and hand hold
- Signaling/warning horn
320D3 Optional Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
CAB
- Roll down sun screen
- Control pattern changer
ENGINE
- -32° C (-25° F) cold start capability
- Engine air pre-filter
HYDRAULIC SYSTEM
- Fine swing control
- Hammer return filter circuit
- Medium-pressure auxiliary circuit
UNDERCARRIAGE and STRUCTURES
- 600 mm (24 in) triple grouser shoes (8.5 mm/.03 in thick)
- Segmented track guiding guard
- 4460 mm (14'8") long undercarriage
Compatible Technology and Services
Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Assist
Equipment Management
Grade
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Productivity
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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.
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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.
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Cat Inspect
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.
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Cat Product Link
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.
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VisionLink®
VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
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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.
VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
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Cat Grade with 2D for Excavators
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.
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Cat Grade with 3D for Excavators
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.
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Cat Grade with Advanced 2D for Excavators
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.
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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.
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Cat Payload for Excavators
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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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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VisionLink® Productivity
VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.
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VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.
See how 320D3 compares against frequently compared products.
excavators
320D3
Selected
- Net Power - ISO 9249
- 123 HP
- 92 kW
- Operating Weight
- 46300 lb
- 21000 kg
- Maximum Digging Depth
- 20.7 ft
- 6300 mm
excavators
320D3 GC
- Net Power - ISO 9249
- 123 HP
- 92 kW
- Operating Weight
- 43600 lb
- 19800 kg
- Maximum Digging Depth
- 19.7 ft
- 5970 mm
Use the comparison tool to compare detailed specs of Cat and competitor models.
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