Compare Excavators. Choose Smarter.
CAT 321 VS Komatsu PC5500-6 Comparison
CAT 321
₹ 54 L - 55 L
VS
Komatsu PC5500-6
₹ 44 L - 50.01 L
CAT 321
₹54L
Komatsu PC5500-6
₹44L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
Komatsu PC5500-6
From ₹ 44 Lakh
Engine
Model
Cat® C3.6
Komatsu SDA12V159E‑2 (Tier 2 diesel)
Model
Cat® C3.6
Komatsu SDA12V159E‑2 (Tier 2 diesel)
Gross Power
100 kw
1880 kw
Gross Power
100 kw
1880 kw
Net Power
129 kw
1880 kw
Net Power
129 kw
1880 kw
Engine Power
136 HP
2520 HP
Engine Power
136 HP
2520 HP
Engine Displacement
3600 cc
30000 cc
Engine Displacement
3600 cc
30000 cc
Number Of Cylinders
4 Nos
12 Nos
Number Of Cylinders
4 Nos
12 Nos
Rated RPM
2000 rpm
1800 rpm
Rated RPM
2000 rpm
1800 rpm
Emission Standard
BS IV
BS II
Emission Standard
BS IV
BS II
Max Torque
500 Nm
2200 Nm
Max Torque
500 Nm
2200 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
552000 kg
Operating Weight
19300 kg
552000 kg
Machine Weight
19300 kg
552000 kg
Machine Weight
19300 kg
552000 kg
Counter Weight
3650 kg
120980 kg
Counter Weight
3650 kg
120980 kg
Ground Pressure
60 kg
23.8 kg
Ground Pressure
60 kg
23.8 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Variable Displacement Axial Piston
Main Pump Type
Electro‑hydraulic main control valve system
Variable Displacement Axial Piston
Maximum Hydraulic Flow
315 L/min
4200 L/min
Maximum Hydraulic Flow
315 L/min
4200 L/min
Maximum System Pressure
350 bar
310 bar
Maximum System Pressure
350 bar
310 bar
Hydraulic Oil Capacity
218 litres
6000 litres
Hydraulic Oil Capacity
218 litres
6000 litres
Auxiliary Hydraulic Flow
120 L/min
2006 L/min
Auxiliary Hydraulic Flow
120 L/min
2006 L/min
Working Range
Max Digging Depth
5970 mm
8300 mm
Max Digging Depth
5970 mm
8300 mm
Max Vertical Wall Digging Depth
5360 mm
16132 mm
Max Vertical Wall Digging Depth
5360 mm
16132 mm
Max Reach at Ground Level
9150 mm
18700 mm
Max Reach at Ground Level
9150 mm
18700 mm
Max Dumping Height
6250 mm
10100 mm
Max Dumping Height
6250 mm
10100 mm
Max Cutting Height
9120 mm
15500 mm
Max Cutting Height
9120 mm
15500 mm
Boom Length
5.700 m
11 m
Boom Length
5.700 m
11 m
Arm Length
2250 mm
8300 mm
Arm Length
2250 mm
8300 mm
Bucket Breakout Force
135 kN
1516 kN
Bucket Breakout Force
135 kN
1516 kN
Arm Tear-out Force
119 kN
1326 kN
Arm Tear-out Force
119 kN
1326 kN
Capacities
Fuel Tank Capacity
370 litres
10356 litres
Fuel Tank Capacity
370 litres
10356 litres
Hydraulic Tank Capacity
218 litres
3717 litres
Hydraulic Tank Capacity
218 litres
3717 litres
Cooling System Capacity
25 litres
720 litres
Cooling System Capacity
25 litres
720 litres
Engine Oil Capacity
11 litres
380 litres
Engine Oil Capacity
11 litres
380 litres
Swing Drive Oil Capacity
6 litres
76 litres
Swing Drive Oil Capacity
6 litres
76 litres
Final Drive Gear Oil Capacity
6 litres
52 litres
Final Drive Gear Oil Capacity
6 litres
52 litres
Under Carriage
Track Shoe Width
800 mm
1350 mm
Track Shoe Width
800 mm
1350 mm
Track Gauge
2380 mm
7450 mm
Track Gauge
2380 mm
7450 mm
Track Length on Ground
3650 mm
7424 mm
Track Length on Ground
3650 mm
7424 mm
Ground Clearance
450 mm
995 mm
Ground Clearance
450 mm
995 mm
Tail Swing Radius
1676 mm
7750 mm
Tail Swing Radius
1676 mm
7750 mm
Undercarriage Type
Crawler — steel tracks
Heavy‑duty steel crawler with automatic hydraulic adjustment & box‑section frames
Undercarriage Type
Crawler — steel tracks
Heavy‑duty steel crawler with automatic hydraulic adjustment & box‑section frames
Steering & Brakes
Overall Length
9570 mm
8987 mm
Overall Length
9570 mm
8987 mm
Overall Width
2800 mm
7900 mm
Overall Width
2800 mm
7900 mm
Overall Height
3250 mm
8610 mm
Overall Height
3250 mm
8610 mm
Cab Height
3250 mm
7910 mm
Cab Height
3250 mm
7910 mm
Boom Height
3.300 m
2.497 m
Boom Height
3.300 m
2.497 m
Track Width
600 mm
1350 mm
Track Width
600 mm
1350 mm
Performances
Travel Speed
10 km/h
2.1 km/h
Travel Speed
10 km/h
2.1 km/h
Swing Speed
10 rpm
3.1 rpm
Swing Speed
10 rpm
3.1 rpm
Gradeability
27 %
50 %
Gradeability
27 %
50 %
Drawbar Pull
150 kN
1231 kN
Drawbar Pull
150 kN
1231 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
29 Cu.m
Bucket Capacity
1 Cu.m
29 Cu.m
Bucket Options
0.8
26 - 29
Bucket Options
0.8
26 - 29
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Backhoe & Shovel configuration
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Backhoe & Shovel configuration
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
Monitoring system
Display Type
8 LCD Touch Screen
Monitoring system
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Pneumatic suspension, adjustable
Seat Type
Suspension Seat
Pneumatic suspension, adjustable
Noise Level
70 dB(A)
78 dB(A)
Noise Level
70 dB(A)
78 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
24 V
Battery
2X12 V
24 V
Alternator Output
100 A
140 A
Alternator Output
100 A
140 A
Lighting Type
LED
LED
Lighting Type
LED
LED
Additional Features
Auto Idle
Yes
Yes
Auto Idle
Yes
Yes
Eco Mode
Yes
Yes
Eco Mode
Yes
Yes
Telematics
No
Yes
Telematics
No
Yes
Diagnostic System
Yes
Yes
Diagnostic System
Yes
Yes
CAT 321
Pros
- 136 HP Cat C3.6 engine delivers strong digging performance.
- An advanced electrohydraulic system improves cycle time.
- Eco Mode and Intelligent ECM help reduce fuel consumption
Komatsu PC5500-6
Pros
- Very large bucket capacity (~29 m³) for fast loading and high material movement.
- Two powerful engines provide high output suited for heavy mining operations.
- Available in both backhoe and shovel configurations to suit different mining tasks.
