Compare Excavators. Choose Smarter.
CAT 320D3 VS Komatsu PC 100 Comparison
CAT 320D3
₹ 25 L - 28 L
VS
Komatsu PC 100
₹ 26 L - 28 L
CAT 320D3
₹25L
Komatsu PC 100
₹26L
Compare excavators helps you make an informed purchase decision.
CAT 320D3
From ₹ 25 Lakh
Komatsu PC 100
From ₹ 26 Lakh
Engine
Model
Cat ALUW06DTI
Komatsu S4D105-5
Model
Cat ALUW06DTI
Komatsu S4D105-5
Gross Power
100 kw
60.4 kw
Gross Power
100 kw
60.4 kw
Net Power
85 kw
60 kw
Net Power
85 kw
60 kw
Engine Power
134 HP
81 HP
Engine Power
134 HP
81 HP
Engine Displacement
5760 cc
4,326 cc
Engine Displacement
5760 cc
4,326 cc
Number Of Cylinders
6 Nos
4 Nos
Number Of Cylinders
6 Nos
4 Nos
Rated RPM
1700 rpm
2300 rpm
Rated RPM
1700 rpm
2300 rpm
Emission Standard
BS IV
BSIV
Emission Standard
BS IV
BSIV
Max Torque
620 Nm
880 Nm
Max Torque
620 Nm
880 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
45860 kg
11100 kg
Operating Weight
45860 kg
11100 kg
Machine Weight
42478 kg
10,500 kg
Machine Weight
42478 kg
10,500 kg
Counter Weight
10211 kg
4200 kg
Counter Weight
10211 kg
4200 kg
Ground Pressure
44 kg
41.2 kg
Ground Pressure
44 kg
41.2 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston pumps
variable displacement
Main Pump Type
Variable displacement axial piston pumps
variable displacement
Maximum Hydraulic Flow
420 L/min
248 L/min
Maximum Hydraulic Flow
420 L/min
248 L/min
Maximum System Pressure
350 bar
172 bar
Maximum System Pressure
350 bar
172 bar
Hydraulic Oil Capacity
234 litres
145 litres
Hydraulic Oil Capacity
234 litres
145 litres
Auxiliary Hydraulic Flow
150 L/min
180 L/min
Auxiliary Hydraulic Flow
150 L/min
180 L/min
Working Range
Max Digging Depth
6300 mm
5000 mm
Max Digging Depth
6300 mm
5000 mm
Max Vertical Wall Digging Depth
5720 mm
4,560 mm
Max Vertical Wall Digging Depth
5720 mm
4,560 mm
Max Reach at Ground Level
9470 mm
7920 mm
Max Reach at Ground Level
9470 mm
7920 mm
Max Dumping Height
6710 mm
5,210 mm
Max Dumping Height
6710 mm
5,210 mm
Max Cutting Height
9250 mm
7380 mm
Max Cutting Height
9250 mm
7380 mm
Boom Length
5.700 m
4.260 m
Boom Length
5.700 m
4.260 m
Arm Length
2500 mm
2850 mm
Arm Length
2500 mm
2850 mm
Bucket Breakout Force
143 kN
155 kN
Bucket Breakout Force
143 kN
155 kN
Arm Tear-out Force
99 kN
112 kN
Arm Tear-out Force
99 kN
112 kN
Capacities
Fuel Tank Capacity
410 litres
230 litres
Fuel Tank Capacity
410 litres
230 litres
Hydraulic Tank Capacity
115 litres
145 litres
Hydraulic Tank Capacity
115 litres
145 litres
Cooling System Capacity
40 litres
35 litres
Cooling System Capacity
40 litres
35 litres
Engine Oil Capacity
25 litres
16 litres
Engine Oil Capacity
25 litres
16 litres
Swing Drive Oil Capacity
5 litres
2.5 litres
Swing Drive Oil Capacity
5 litres
2.5 litres
Final Drive Gear Oil Capacity
16 litres
2.5 litres
Final Drive Gear Oil Capacity
16 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
4,080 mm
2340 mm
Track Length on Ground
4,080 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
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Crawler undercarriage with steel tracks
Undercarriage Type
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Crawler undercarriage with steel tracks
Steering & Brakes
Overall Length
9530 mm
7,920 mm
Overall Length
9530 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
3050 mm
2,675 mm
Cab Height
3050 mm
2,675 mm
Boom Height
3.200 m
3.500 m
Boom Height
3.200 m
3.500 m
Track Width
600 mm
1820 mm
Track Width
600 mm
1820 mm
Performances
Travel Speed
5.5 km/h
3.4 km/h
Travel Speed
5.5 km/h
3.4 km/h
Swing Speed
11.5 rpm
10 rpm
Swing Speed
11.5 rpm
10 rpm
Gradeability
70 %
35 %
Gradeability
70 %
35 %
Drawbar Pull
205 kN
200 kN
Drawbar Pull
205 kN
200 kN
Bucket And Attachments
Bucket Capacity
0.92 Cu.m
0.67 Cu.m
Bucket Capacity
0.92 Cu.m
0.67 Cu.m
Bucket Options
0.9 – 1.2
GP / HD / Rock buckets (market dependent)
Bucket Options
0.9 – 1.2
GP / HD / Rock buckets (market dependent)
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Breaker, auger, thumbs
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Breaker, auger, thumbs
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
LCD Monitor
7
Display Type
LCD Monitor
7
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable suspension seat
Adjustable suspension seat
Seat Type
Adjustable suspension seat
Adjustable suspension seat
Noise Level
72 dB(A)
75 dB(A)
Noise Level
72 dB(A)
75 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2x12 V
12 V
Battery
2x12 V
12 V
Alternator Output
80 A
80 A
Alternator Output
80 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 320D3
Pros
- Strong engine performance for a 20-ton class excavator: 134 HP gross (100 kW), ~114 HP net. Great for heavy digging and lifting tasks.
- Typically well-insulated, ergonomically arranged operator cab with adjustable suspension seat, good visibility, and modern controls.
- Selectable power modes (Power, Smart, Eco) improve fuel efficiency depending on task.
Komatsu PC 100
Pros
- Reliable and Durable
- Good Fuel Efficiency
- Comfortable & Operator‑friendly
