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CAT 320D VS Komatsu PC300-6 Comparison
CAT 320D
₹ 22 L - 23.99 L
VS
Komatsu PC300-6
₹ 14 L - 16 L
CAT 320D
₹22L
Komatsu PC300-6
₹14L
Compare excavators helps you make an informed purchase decision.
CAT 320D
From ₹ 22 Lakh
Komatsu PC300-6
From ₹ 14 Lakh
Engine
Model
CAT 3066TA
SAA6D108E
Model
CAT 3066TA
SAA6D108E
Gross Power
112.8 kw
171.7 kw
Gross Power
112.8 kw
171.7 kw
Net Power
104 kw
171.7 kw
Net Power
104 kw
171.7 kw
Engine Power
140 HP
171.7 HP
Engine Power
140 HP
171.7 HP
Engine Displacement
6370 cc
5880 cc
Engine Displacement
6370 cc
5880 cc
Number Of Cylinders
6 Nos
6 Nos
Number Of Cylinders
6 Nos
6 Nos
Rated RPM
1800 rpm
2050 rpm
Rated RPM
1800 rpm
2050 rpm
Emission Standard
BS IV
BS IV
Emission Standard
BS IV
BS IV
Max Torque
650 Nm
880 Nm
Max Torque
650 Nm
880 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
20330 kg
28850 kg
Operating Weight
20330 kg
28850 kg
Machine Weight
20300 kg
28,850 kg
Machine Weight
20300 kg
28,850 kg
Counter Weight
4200 kg
4000 kg
Counter Weight
4200 kg
4000 kg
Ground Pressure
55 kg
62.7 kg
Ground Pressure
55 kg
62.7 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston
Variable displacement piston pump (typical for this class)
Main Pump Type
Variable displacement axial piston
Variable displacement piston pump (typical for this class)
Maximum Hydraulic Flow
205 L/min
524 L/min
Maximum Hydraulic Flow
205 L/min
524 L/min
Maximum System Pressure
350 bar
348 bar
Maximum System Pressure
350 bar
348 bar
Hydraulic Oil Capacity
260 litres
189 litres
Hydraulic Oil Capacity
260 litres
189 litres
Auxiliary Hydraulic Flow
60 L/min
180 L/min
Auxiliary Hydraulic Flow
60 L/min
180 L/min
Working Range
Max Digging Depth
6720 mm
7.4 mm
Max Digging Depth
6720 mm
7.4 mm
Max Vertical Wall Digging Depth
6980 mm
7280 mm
Max Vertical Wall Digging Depth
6980 mm
7280 mm
Max Reach at Ground Level
10790 mm
11730 mm
Max Reach at Ground Level
10790 mm
11730 mm
Max Dumping Height
6940 mm
7490 mm
Max Dumping Height
6940 mm
7490 mm
Max Cutting Height
9960 mm
10550 mm
Max Cutting Height
9960 mm
10550 mm
Boom Length
5.700 m
6.47 m
Boom Length
5.700 m
6.47 m
Arm Length
2.5 mm
2200 mm
Arm Length
2.5 mm
2200 mm
Bucket Breakout Force
135 kN
150 kN
Bucket Breakout Force
135 kN
150 kN
Arm Tear-out Force
118 kN
110 kN
Arm Tear-out Force
118 kN
110 kN
Capacities
Fuel Tank Capacity
410 litres
340 litres
Fuel Tank Capacity
410 litres
340 litres
Hydraulic Tank Capacity
120 litres
189 litres
Hydraulic Tank Capacity
120 litres
189 litres
Cooling System Capacity
25 litres
40 litres
Cooling System Capacity
25 litres
40 litres
Engine Oil Capacity
30 litres
25 litres
Engine Oil Capacity
30 litres
25 litres
Swing Drive Oil Capacity
8 litres
8 litres
Swing Drive Oil Capacity
8 litres
8 litres
Final Drive Gear Oil Capacity
6 litres
7 litres
Final Drive Gear Oil Capacity
6 litres
7 litres
Under Carriage
Track Shoe Width
600 mm
600 mm
Track Shoe Width
600 mm
600 mm
Track Gauge
2200 mm
2590 mm
Track Gauge
2200 mm
2590 mm
Track Length on Ground
3265 mm
3700 mm
Track Length on Ground
3265 mm
3700 mm
Ground Clearance
450 mm
500 mm
Ground Clearance
450 mm
500 mm
Tail Swing Radius
2750 mm
3300 mm
Tail Swing Radius
2750 mm
3300 mm
Undercarriage Type
Crawler – Steel Tracks
Crawler/Tracked undercarriage
Undercarriage Type
Crawler – Steel Tracks
Crawler/Tracked undercarriage
Steering & Brakes
Overall Length
9450 mm
11105 mm
Overall Length
9450 mm
11105 mm
Overall Width
2800 mm
3190 mm
Overall Width
2800 mm
3190 mm
Overall Height
3050 mm
3.1 mm
Overall Height
3050 mm
3.1 mm
Cab Height
2950 mm
3130 mm
Cab Height
2950 mm
3130 mm
Boom Height
3.050 m
3.500 m
Boom Height
3.050 m
3.500 m
Track Width
600 mm
2590 mm
Track Width
600 mm
2590 mm
Performances
Travel Speed
5.6 km/h
5.5 km/h
Travel Speed
5.6 km/h
5.5 km/h
Swing Speed
10.5 rpm
10 rpm
Swing Speed
10.5 rpm
10 rpm
Gradeability
30 %
35 %
Gradeability
30 %
35 %
Drawbar Pull
205 kN
200 kN
Drawbar Pull
205 kN
200 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
2.4 Cu.m
Bucket Capacity
1 Cu.m
2.4 Cu.m
Bucket Options
0.57–1.56
Multiple sizes based on job need
Bucket Options
0.57–1.56
Multiple sizes based on job need
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Standard quick coupler & hydraulic attachments typical
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Standard quick coupler & hydraulic attachments typical
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
LCD monitor on newer versions
Typically LCD multi-function (varies by spec)
Display Type
LCD monitor on newer versions
Typically LCD multi-function (varies by spec)
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Air suspension available
Suspension seat (standard in class)
Seat Type
Air suspension available
Suspension seat (standard in class)
Noise Level
75 dB(A)
75 dB(A)
Noise Level
75 dB(A)
75 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
24 V
12 V
Battery
24 V
12 V
Alternator Output
70 A
86 A
Alternator Output
70 A
86 A
Lighting Type
Halogen
LED
Lighting Type
Halogen
LED
Additional Features
Auto Idle
Yes
Yes
Auto Idle
Yes
Yes
Eco Mode
Yes
Yes
Eco Mode
Yes
Yes
Telematics
Yes
No
Telematics
Yes
No
Diagnostic System
Yes
Yes
Diagnostic System
Yes
Yes
CAT 320D
Pros
- Proven Cat C6.4 ACERT engine with solid torque and power for mid‑size excavator tasks (earthmoving, trenching, loading).
- 5.7 m boom and ~9+ m digging height help in both shallow and medium depth work.
- Caterpillar’s dealer network is extensive — spare parts availability is usually strong globally.
Komatsu PC300-6
Pros
- Strong Performance & Productivity
- Good visibility
- Fuel economy
