Excavators 320D3 GC High Performance and Durability at the Lowest Cost Per Hour

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320D3 GC
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320D3 GC

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Overview

The Cat® 320D3 GC Hydraulic Excavator delivers reduced fuel consumption by up to 30 percent, lowered maintenance costs by up to 20 percent, low owning costs, simpler routine maintenance, increased performance, and long-term durability.

Up To 30% Lower Fuel Consumption

Two power modes, new plane cooler and hydraulic boom regeneration offer the power you need when you need it, helping to increase your overall efficiency and saving energy.

Best in Class Reliability & Returns

Increased uptime with premium, time-proven components delivering an exceptional return on investment.

Up To 20% Lower Maintenance Costs

With 12% less refill oil volume than the 320D3 and reduced frequency of refills increases uptime and reduces cost.

Features At A Glance

Built to Last

6-cylinder mechanical engine for improved reliability.
Integrated component design for better durability and strength.
Consolidated pilot system for simpler hydraulics.
New modified X‐frame structure for longer life and durability.
Reinforced boom and stick with internal baffle plates for increased durability.
Greased track link between pins and bushings provides increased undercarriage life and noise reduction.

Lower Maintenance Costs

Lower Maintenance Costs

Up to 20% lower maintenance costs compared to the 320D3.
Save time and money with extended service intervals for hydraulics and coolants.
New hydraulic oil filter with 50 percent more life.
6,000-hour hydraulic oil service with 12% less oil required.
Quick and easy maintenance with most service locations accessible at ground level.
Filters grouped together to reduce maintenance time.
Pressure taps and S•O•S ports help maximize uptime.

High Performance, Low Fuel

High Performance, Low Fuel

The 320D3 GC (U.S. EPA Tier 2 equivalent emission standards – Non-certified) offers up to 30% lower fuel consumption compared to the 320D3.
Robust and easy to maintain fuel system filtration reduces risk of failure from contaminated fuel.
Caterpillar designed and built hydraulic pumps deliver superior performance.
Conserve power with new single-panel cooler.
Save energy with boom and stick regeneration valves.
Product Link™ comes standard so you can remotely monitor machine health by tracking fault codes, location, and hours. It is tamper-proof and secures data only for customer view on demand through the VisionLink® online interface.

Superior Operator Comfort

Superior Operator Comfort

Ergonomically designed cab with easy-to-operate controls.
Multiple seat and joystick adjustment options enhance comfort.
25% increase in glass area for improved worksite visibility and enhanced productivity.
Reduced blind spots with convex profile glass for better safety.
Low-effort joystick controls reduce operator fatigue.

Built-in Safety Features

Built-in Safety Features

Hydraulic activation lever safely locks out all hydraulic functions.
Anti‐skid plating and countersunk bolts reduce slipping in severe conditions and during routine checks.
A full-length firewall separates the pump compartment from the engine.
A ground-level fuel cutoff switch shuts down the engine in an emergency.
Large steps on track frame and storage box for easy and safe climb.
Emergency exit in cab for improved operator safety.

Versatility

Utility and finishing work are fast and flawless with Cat buckets, thumbs, and compactors.
Demolition work is quick and easy with Cat hammers and other work tools.
Cat couplers let you swap between attachments in seconds without leaving the cab.
See the entire attachment lineup at www.cat.com/attachments.

Full Specifications Standard Equipment Optional Equipment

Product Specifications for 320D3 GC

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US
Metric

Engine

Engine Power - ISO 9249	114 HP 85 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 5.76 l

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	10 r/min 10 r/min
Maximum Swing Torque	45581 ft·lbf 62 kN·m

Weights

Operating Weight

43600 lb 19800 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	60.8 gal (US) 230 l
Hydraulic Tank	29.1 gal (US) 110 l

Dimensions

Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.25 m (7'5") Reach 2.25 m (7'5")
Bucket	GD .92 m³ (1.20 yd³) GD .92 m³ (1.20 yd³)
Shipping Height - Top of Cab	10.4 ft 3100 mm
Handrail Height	9.7 ft 2915 mm
Shipping Length	31.3 ft 9520 mm
Tail Swing Radius	9 ft 2750 mm
Counterweight Clearance	1.6 ft 450 mm
Ground Clearance	1.6 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	19.7 ft 5970 mm
Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.5 m (8'2") Reach 2.5 m (8'2")
Bucket	GD .92 m³ (1.20 yd³) GD .92 m³ (1.20 yd³)
Maximum Reach at Ground Level	30 ft 9140 mm
Maximum Cutting Height	29.11 ft 9110 mm
Maximum Loading Height	20.6 ft 6250 mm
Minimum Loading Height	9.7 ft 2920 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	18.6 ft 5640 mm
Maximum Vertical Wall Digging Depth	17.7 ft 5350 mm
Bucket Digging Force - ISO	30120 lbf 134 kN
Stick Digging Force - ISO	25180 lbf 112 kN

320D3 GC Standard Equipment

Print

NOTE

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

ENGINE

Diesel engine, ALUW06DTI/8 - mechanical governor - emits equivalent to U.S. EPA Tier 2, not-certified

Two selectable power modes

One-touch low idle with auto engine speed control

Two stage fuel filtration system with water separator and indicator

4000 m (13,120 ft) altitude capability

52°C (126° F) high-ambient cooling capacity with derate above 48°C (118° F)

85 amp alternator

Radial seal air filter with double filter element

Mechanical fuel priming pump

Biodiesel capability up to B20

HYDRAULIC SYSTEM

Hydraulic boom and stick regeneration circuits

Boom and stick drift reduction valve

High performance hydraulic return filter (capsule filter type)

UNDERCARRIAGE and STRUCTURES

Grease lubricated track links

Tie down points on base frame

Center track guiding guard

3.7 mt (8,160 lb) counterweight

600 mm (24 in) triple grouser shoes (8.5 mm/0.3 in thick)

BOOMS, STICKS AND LINKAGES

5.7 m (18'8") reach boom

2.5 m (7'5") reach stick

Bucket linkage, B1 family without lifting eye

ELECTRICAL SYSTEM

Two 1,000 CCA maintenance free batteries

Centralized electrical disconnect switch

90 seconds programmable time delay working lights (halogen); storage box G67mounted (one), cab mounted (two), boom mounted LH (one)

SERVICE AND MAINTENANCE

Engine oil, fuel, and hydraulic oil filters grouped for ease of maintenance

Sampling ports for Scheduled Oil Sampling (S.O.S)

Radiator screen for radiator/oil cooler to prevent plugging by debris

SAFETY AND SECURITY

Rearview mirrors; handrail mounted (one), cab handhold mounted (one)

Bolt free service platform with anti-skid plate

Neutral lever (lock out) for all controls

Ground-level accessible engine shutoff switch in cab

Signaling/warning horn

Right-hand handrail and hand hold

OPERATOR ENVIRONMENT

Sound suppressed cab with viscous mounts

Openable skylight

Openable tempered front upper windshield with assist device

Rear window emergency exit

Removable tempered lower windshield with in cab storage bracket

Fully adjustable mechanical suspension seat, console and armrest

51 mm (2 in) seat belt

Two gauge cluster (monitor)

Auto air conditioner with positive pressurized cab

One 12V power supply with sockets (maximum 10 Amp)

Washable floor mat

Interior utilities (Interior lighting, cigar lighter type socket, coat hook, beverage holder, literature holder, document holding space, rear storage compartment)

CAT TECHNOLOGY

Product Link

320D3 GC Optional Equipment

Print

NOTE

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

ENGINE

-32° C (-25° F) cold start capability

Engine air pre-filter

HYDRAULIC SYSTEM

Auto two-speed travel

Hammer return filter circuit

Medium-pressure auxiliary circuit

UNDERCARRIAGE and STRUCTURES

Segmented track guiding guard

600 mm (24 in) triple grouser shoes (10 mm/.04 in thick)

BOOMS, STICKS AND LINKAGES

2.5 m (8.2 in) HD Reach stick

OPERATOR ENVIRONMENT

Roll down sun screen

Control pattern changer

See how 320D3 GC compares against frequently compared products.

US
Metric

Excavators 320D3 GC

320D3 GC

Engine Power - ISO 9249: 114 HP; 85 kW
Operating Weight: 43600 lb; 19800 kg
Maximum Digging Depth: 19.7 ft; 5970 mm

Selected Model

Excavators 320D3

320D3

Engine Power - ISO 9249: 114 HP; 85 kW
Operating Weight: 45860 lb; 20800 kg
Maximum Digging Depth: 20.7 ft; 6300 mm

Model Details

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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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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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