CAT® Hydraulic Excavator 320D3
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.
Up To 5% Lower Maintenance Costs
With 20% less refill oil volume than the earlier model 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 earlier model.
- Latest fuel efficient electro-hydraulic (EH) system minimize fuel use and increase engine efficiency.
Up To 7% More Hydraulic Power
New tandem hydraulic pumps provide more hydraulic power with less internal friction to increase overall efficiency.
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Overview
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.
Up To 5% Lower Maintenance Costs
With 20% less refill oil volume than the earlier model 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 earlier model.
- Latest fuel efficient electro-hydraulic (EH) system minimize fuel use and increase engine efficiency.
Up To 7% More Hydraulic Power
New tandem hydraulic pumps provide more hydraulic power with less internal friction to increase overall efficiency.
-
Displacement
5.76 L -
Bore
104 mm -
Two selectable power modes
Standard -
Stroke
113 mm -
One-touch low idle with auto engine speed control
Standard -
Two stage fuel fi ltration system with water separator and indicator
Standard -
52° C (125° F) high-ambient cooling capacity
Standard -
-32° C (-25° F) cold start capability
Optiona -
4000 m (13,120 ft) altitude capability
Standard -
Radial seal air fi lter with double fi lter element
Standard -
Engine air pre-fi lter
Optional -
Biodiesel capability up to B20
Standard -
Gross Power – ISO 14396/SAE J1995
100 kW -
Net Power – ISO 9249/SAE J1349
85 kW -
Engine RPM - Operation
1700 rpm -
Engine RPM - Travel
1800 rpm -
Engine Model
ALUW06DTI -
Net Power - ISO 9249
92 kW -
Net Power - ISO 9249 (DIN)
125 hp (met -
Engine Model
ALUW06DTI -
Engine Power - ISO 14396
100 kW -
Engine Power - ISO 14396 (DIN)
136 hp (met -
Bore
104 mm -
Stroke
113 mm -
Displacement
5.8 l -
Biodiesel Capability
Up to B10 -
Emissions
Non-certified emission engine. -
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,700 rpm. Advertised power is tested per the specified standard in effect at the time -
Ground Clearance
450 mm -
Net Power - ISO 9249
92 kW -
Net Power - ISO 9249 (DIN)
125 hp (met -
Engine Model
ALUW06DTI -
Engine Power - ISO 14396
100 kW -
Engine Power - ISO 14396 (DIN)
136 hp (met -
Bore
104 mm -
Stroke
113 mm -
Displacement
5.8 l -
Biodiesel Capability
Up to B10 -
Emissions
Non-certified emission engine. -
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,700 rpm. Advertised power is tested per the specified standard in effect at the time -
Ground Clearance
450 mm
-
Fuel Tank Size
410 L -
Hydraulic System (Including Tank)
260 L -
Engine Oil
18 L -
Swing Drive (each)
6 L -
Final Drive (each)
5 L -
Cooling Systems
28 L -
Fuel Tank Capacity
350 l -
Cooling System
19 l -
Engine Oil
18 l -
Swing Drive - Each
6 l -
Final Drive - Each
5 l -
Hydraulic System - Including Tank
218 l -
Hydraulic Tank
115 l -
Shipping Length
9530 mm -
Tail Swing Radius
2750 mm -
Counterweight Clearance
1020 mm -
Track Length
4250 mm -
Length to Center of Rollers
3450 mm -
Maximum Reach at Ground Level
9470 mm -
Maximum Cutting Height
9250 mm -
Maximum Loading Height
6290 mm -
Minimum Loading Height
2590 mm -
Maximum Vertical Wall Digging Depth
5720 mm -
Fuel Tank Capacity
350 l -
Cooling System
19 l -
Engine Oil
18 l -
Swing Drive - Each
6 l -
Final Drive - Each
5 l -
Hydraulic System - Including Tank
218 l -
Hydraulic Tank
115 l -
Shipping Length
9530 mm -
Tail Swing Radius
2750 mm -
Counterweight Clearance
1020 mm -
Track Length
4250 mm -
Length to Center of Rollers
3450 mm -
Maximum Reach at Ground Level
9470 mm -
Maximum Cutting Height
9250 mm -
Maximum Loading Height
6290 mm -
Minimum Loading Height
2590 mm -
Maximum Vertical Wall Digging Depth
5720 mm
-
Track Gauge
2200 mm -
Counterweight Clearance**
1020 mm -
Boom
Reach 5.7 m -
Stick
HD Reach 2.5 m -
Bucket
GD 1.00 m3 -
Shipping Height (top of cab)
305 mm -
Shipping Length
9460 mm -
Tail Swing Radius
2750 mm -
Track Length to Center of Rollers
3270 mm -
Ground Clearance
450 mm -
Transport Width – 600 mm (24") Shoes
2800 mm -
Boom
HD Reach 5.7 m (18'8") -
Stick
HD Reach 2.5 m (8'2") -
Bucket
GD 1.14 m³ (1.49 yd³) -
Shipping Height - Top of Cab
3050 mm -
Handrail Height
3015 mm -
Transport Width
2980 mm -
Boom
HD Reach 5.7 m (18'8") -
Stick
HD Reach 2.5 m (8'2") -
Bucket
GD 1.14 m³ (1.49 yd³) -
Boom
HD Reach 5.7 m (18'8") -
Stick
HD Reach 2.5 m (8'2") -
Bucket
GD 1.14 m³ (1.49 yd³) -
Shipping Height - Top of Cab
3050 mm -
Handrail Height
3015 mm -
Transport Width
2980 mm -
Boom
Transport Width -
Stick
HD Reach 2.5 m (8'2") -
Bucket
GD 1.14 m³ (1.49 yd³)
-
Boom and stick regeneration circuit
Standard -
Boom and stick drift reduction valve
Standard -
Auto two-speed travel
Standard -
Reverse swing damping valve
Standard -
Fine swing control
Optional -
Maximum Pressure - Travel
35000 kPa -
Maximum Pressure – Equipment
35000 kPa -
Hammer return fi lter circuit
Optional -
Maximum Pressure - Swing
35000 kPa -
High performance hydraulic return fi lter
Standard -
Medium-pressure auxiliary circuit
Optional -
Main System - Maximum Flow - Implement
400 L/min -
Main System - Maximum Flow
429 l/min (113 gal/min) -
Maximum Pressure - Equipment
35000 kPa -
Maximum Pressure - Travel
35000 kPa -
Maximum Pressure - Swing
25000 kPa -
Main System - Maximum Flow
429 l/min (113 gal/min) -
Maximum Pressure - Equipment
35000 kPa -
Maximum Pressure - Travel
35000 kPa -
Maximum Pressure - Swing
25000 kPa
-
Two 1,000 CCA maintenance free batteries
Standard -
Halogen chassis light, left-hand boom light, cab lights
Standard
-
Stick
HD Reach 2.5 m -
Bucket
GD 1.00 m3 -
Maximum Digging Depth
6300 mm -
Maximum Reach at Ground Level
9470 mm -
Maximum Cutting Height
9250 mm -
Maximum Loading Height
6290 mm -
Minimum Loading Height
2590 mm -
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
5960 mm -
Maximum Vertical Wall Digging Depth
5350 mm -
Bucket Digging Force (ISO)
140 kN -
Stick Digging Force (ISO)
118 kN -
Bucket Digging Force (SAE)
124 kN -
Stick Digging Force (SAE)
114 kN -
Boom
Reach 5.7 m
-
Sound suppressed cab with viscous mounts
Standard -
Full color 178 mm (7 in) LCD monitor
Standard -
Mechanically adjustable seat with seatbelt
Standard -
Openable skylight, openable upper windshield and removable bottom windshield
Standard -
Auto bi-level air conditioner
Standard -
Roll down sun screen
Optional -
Control pattern changer
Optional
-
Cat Product Link
Standard
-
5.7 m (18'8") reach boom
Standard -
2.5 m (8'2") heavy duty reach stick
Standard
-
600 mm (24") triple grouser shoes (10 mm/0.4" thick)
Standard -
600 mm (24") triple grouser shoes (8.5 mm/0.3" thick)
Optional -
Grease lubricated track links
Standard -
Tie down points on base frame
Standard -
Center track guiding guard
Standard -
Segmented track guiding guard
Optional -
3700 kg (8,160 lb) counterweight
Standard
-
Sampling ports for Scheduled Oil Sampling (S.O.SSM)
Standard -
Single plane cooling arrangement
Standard -
Radiator screen
Standard
-
Rear window emergency exit
Standard -
Two rearview mirrors
Standard -
Hydraulic lock out leve
Standard -
Ground level engine shutoff switch
Standard -
Right-hand handrail and hand hold
Standard -
Signaling/warning horn
Standard
-
Operating Weight
20800 kg
-
Swing Speed
11.88 r/min -
Swing Speed
11.88 r/min
-
Maximum Swing Torque
62 kN·m -
Maximum Swing Torque
62 kN·m
-
Operating Weight
21000 kg -
Operating Weight
21000 kg
-
Note
4.3 m (13'11") Long undercarriage, 5.7 m (18'8") HD Reach boom, 2.5 m (8'2") HD Reach stick, 1.14 m³ (1.49 yd³) GD bucket, 600 mm (24") triple grouser shoes and 3650 kg (8,050 lb) counterweight. -
Note
4.3 m (13'11") Long undercarriage, 5.7 m (18'8") HD Reach boom, 2.5 m (8'2") HD Reach stick, 1.14 m³ (1.49 yd³) GD bucket, 600 mm (24") triple grouser shoes and 3650 kg (8,050 lb) counterweight.
-
Track Gauge
2380 mm
-
Maximum Digging Depth
6300 mm -
Maximum Digging Depth
6300 mm
-
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
5960 mm -
Bucket Digging Force - ISO
135 kN -
Stick Digging Force - ISO
118 kN -
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
5960 mm -
Bucket Digging Force - ISO
135 kN -
Stick Digging Force - ISO
118 kN
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