
Compare Excavators. Choose Smarter.
CAT 320D VS Komatsu PC 100 Comparison
CAT 320D
₹ 22 L - 23.99 L
VS
Komatsu PC 100
₹ 26 L - 28 L
CAT 320D
₹22L
Komatsu PC 100
₹26L
Compare excavators helps you make an informed purchase decision.
CAT 320D
From ₹ 22 Lakh
Komatsu PC 100
From ₹ 26 Lakh
Engine
Model
CAT 3066TA
Komatsu S4D105-5
Model
CAT 3066TA
Komatsu S4D105-5
Gross Power
112.8 kw
60.4 kw
Gross Power
112.8 kw
60.4 kw
Net Power
104 kw
60 kw
Net Power
104 kw
60 kw
Engine Power
140 HP
81 HP
Engine Power
140 HP
81 HP
Engine Displacement
6370 cc
4,326 cc
Engine Displacement
6370 cc
4,326 cc
Number Of Cylinders
6 Nos
4 Nos
Number Of Cylinders
6 Nos
4 Nos
Rated RPM
1800 rpm
2300 rpm
Rated RPM
1800 rpm
2300 rpm
Emission Standard
BS IV
BSIV
Emission Standard
BS IV
BSIV
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
11100 kg
Operating Weight
20330 kg
11100 kg
Machine Weight
20300 kg
10,500 kg
Machine Weight
20300 kg
10,500 kg
Counter Weight
4200 kg
4200 kg
Counter Weight
4200 kg
4200 kg
Ground Pressure
55 kg
41.2 kg
Ground Pressure
55 kg
41.2 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston
variable displacement
Main Pump Type
Variable displacement axial piston
variable displacement
Maximum Hydraulic Flow
205 L/min
248 L/min
Maximum Hydraulic Flow
205 L/min
248 L/min
Maximum System Pressure
350 bar
172 bar
Maximum System Pressure
350 bar
172 bar
Hydraulic Oil Capacity
260 litres
145 litres
Hydraulic Oil Capacity
260 litres
145 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
5000 mm
Max Digging Depth
6720 mm
5000 mm
Max Vertical Wall Digging Depth
6980 mm
4,560 mm
Max Vertical Wall Digging Depth
6980 mm
4,560 mm
Max Reach at Ground Level
10790 mm
7920 mm
Max Reach at Ground Level
10790 mm
7920 mm
Max Dumping Height
6940 mm
5,210 mm
Max Dumping Height
6940 mm
5,210 mm
Max Cutting Height
9960 mm
7380 mm
Max Cutting Height
9960 mm
7380 mm
Boom Length
5.700 m
4.260 m
Boom Length
5.700 m
4.260 m
Arm Length
2.5 mm
2850 mm
Arm Length
2.5 mm
2850 mm
Bucket Breakout Force
135 kN
155 kN
Bucket Breakout Force
135 kN
155 kN
Arm Tear-out Force
118 kN
112 kN
Arm Tear-out Force
118 kN
112 kN
Capacities
Fuel Tank Capacity
410 litres
230 litres
Fuel Tank Capacity
410 litres
230 litres
Hydraulic Tank Capacity
120 litres
145 litres
Hydraulic Tank Capacity
120 litres
145 litres
Cooling System Capacity
25 litres
35 litres
Cooling System Capacity
25 litres
35 litres
Engine Oil Capacity
30 litres
16 litres
Engine Oil Capacity
30 litres
16 litres
Swing Drive Oil Capacity
8 litres
2.5 litres
Swing Drive Oil Capacity
8 litres
2.5 litres
Final Drive Gear Oil Capacity
6 litres
2.5 litres
Final Drive Gear Oil Capacity
6 litres
2.5 litres
Under Carriage
Track Shoe Width
600 mm
480 mm
Track Shoe Width
600 mm
480 mm
Track Gauge
2200 mm
1820 mm
Track Gauge
2200 mm
1820 mm
Track Length on Ground
3265 mm
2340 mm
Track Length on Ground
3265 mm
2340 mm
Ground Clearance
450 mm
400 mm
Ground Clearance
450 mm
400 mm
Tail Swing Radius
2750 mm
2225 mm
Tail Swing Radius
2750 mm
2225 mm
Undercarriage Type
Crawler – Steel Tracks
Crawler undercarriage with steel tracks
Undercarriage Type
Crawler – Steel Tracks
Crawler undercarriage with steel tracks
Steering & Brakes
Overall Length
9450 mm
7,920 mm
Overall Length
9450 mm
7,920 mm
Overall Width
2800 mm
2300 mm
Overall Width
2800 mm
2300 mm
Overall Height
3050 mm
2,675 mm
Overall Height
3050 mm
2,675 mm
Cab Height
2950 mm
2,675 mm
Cab Height
2950 mm
2,675 mm
Boom Height
3.050 m
3.500 m
Boom Height
3.050 m
3.500 m
Track Width
600 mm
1820 mm
Track Width
600 mm
1820 mm
Performances
Travel Speed
5.6 km/h
3.4 km/h
Travel Speed
5.6 km/h
3.4 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
0.67 Cu.m
Bucket Capacity
1 Cu.m
0.67 Cu.m
Bucket Options
0.57–1.56
GP / HD / Rock buckets (market dependent)
Bucket Options
0.57–1.56
GP / HD / Rock buckets (market dependent)
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Breaker, auger, thumbs
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Breaker, auger, thumbs
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
LCD monitor on newer versions
7
Display Type
LCD monitor on newer versions
7
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Air suspension available
Adjustable suspension seat
Seat Type
Air suspension available
Adjustable suspension seat
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
80 A
Alternator Output
70 A
80 A
Lighting Type
Halogen
Halogen
Lighting Type
Halogen
Halogen
Additional Features
Auto Idle
Yes
Yes
Auto Idle
Yes
Yes
Eco Mode
Yes
Yes
Eco Mode
Yes
Yes
Telematics
Yes
Yes
Telematics
Yes
Yes
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 PC 100
Pros
- Reliable and Durable
- Good Fuel Efficiency
- Comfortable & Operator‑friendly