Compare Excavators. Choose Smarter.
CAT 321 VS Kobelco SK140 Comparison
CAT 321
₹ 54 L - 55 L
VS
Kobelco SK140
₹ 47 L - 49 L
CAT 321
₹54L
Kobelco SK140
₹47L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
Kobelco SK140
From ₹ 47 Lakh
Engine
Model
Cat® C3.6
ISUZU 4JJ1
Model
Cat® C3.6
ISUZU 4JJ1
Gross Power
100 kw
74 kw
Gross Power
100 kw
74 kw
Net Power
129 kw
69 kw
Net Power
129 kw
69 kw
Engine Power
136 HP
73 HP
Engine Power
136 HP
73 HP
Engine Displacement
3600 cc
99 cc
Engine Displacement
3600 cc
99 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2000 rpm
Rated RPM
2000 rpm
2000 rpm
Emission Standard
BS IV
Stage IIIA
Emission Standard
BS IV
Stage IIIA
Max Torque
500 Nm
375 Nm
Max Torque
500 Nm
375 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
14100 kg
Operating Weight
19300 kg
14100 kg
Machine Weight
19300 kg
14100 kg
Machine Weight
19300 kg
14100 kg
Counter Weight
3650 kg
4200 kg
Counter Weight
3650 kg
4200 kg
Ground Pressure
60 kg
45 kg
Ground Pressure
60 kg
45 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Two variable displacement pumps + one gear pump
Main Pump Type
Electro‑hydraulic main control valve system
Two variable displacement pumps + one gear pump
Maximum Hydraulic Flow
315 L/min
2 × 130 L/min
Maximum Hydraulic Flow
315 L/min
2 × 130 L/min
Maximum System Pressure
350 bar
343 bar
Maximum System Pressure
350 bar
343 bar
Hydraulic Oil Capacity
218 litres
160 litres
Hydraulic Oil Capacity
218 litres
160 litres
Auxiliary Hydraulic Flow
120 L/min
Typically matching main pump output in attachments (varies with options) L/min
Auxiliary Hydraulic Flow
120 L/min
Typically matching main pump output in attachments (varies with options) L/min
Working Range
Max Digging Depth
5970 mm
5280 mm
Max Digging Depth
5970 mm
5280 mm
Max Vertical Wall Digging Depth
5360 mm
4,810 mm
Max Vertical Wall Digging Depth
5360 mm
4,810 mm
Max Reach at Ground Level
9150 mm
8,340 mm
Max Reach at Ground Level
9150 mm
8,340 mm
Max Dumping Height
6250 mm
6,080 mm
Max Dumping Height
6250 mm
6,080 mm
Max Cutting Height
9120 mm
8000 mm
Max Cutting Height
9120 mm
8000 mm
Boom Length
5.700 m
4.680 m
Boom Length
5.700 m
4.680 m
Arm Length
2250 mm
2900 mm
Arm Length
2250 mm
2900 mm
Bucket Breakout Force
135 kN
107 kN
Bucket Breakout Force
135 kN
107 kN
Arm Tear-out Force
119 kN
72 kN
Arm Tear-out Force
119 kN
72 kN
Capacities
Fuel Tank Capacity
370 litres
280 litres
Fuel Tank Capacity
370 litres
280 litres
Hydraulic Tank Capacity
218 litres
104 litres
Hydraulic Tank Capacity
218 litres
104 litres
Cooling System Capacity
25 litres
16 litres
Cooling System Capacity
25 litres
16 litres
Engine Oil Capacity
11 litres
18 litres
Engine Oil Capacity
11 litres
18 litres
Swing Drive Oil Capacity
6 litres
1.65 litres
Swing Drive Oil Capacity
6 litres
1.65 litres
Final Drive Gear Oil Capacity
6 litres
2 × 2.1 litres
Final Drive Gear Oil Capacity
6 litres
2 × 2.1 litres
Under Carriage
Track Shoe Width
800 mm
500 mm
Track Shoe Width
800 mm
500 mm
Track Gauge
2380 mm
1990 mm
Track Gauge
2380 mm
1990 mm
Track Length on Ground
3650 mm
2870 mm
Track Length on Ground
3650 mm
2870 mm
Ground Clearance
450 mm
435 mm
Ground Clearance
450 mm
435 mm
Tail Swing Radius
1676 mm
2190 mm
Tail Swing Radius
1676 mm
2190 mm
Undercarriage Type
Crawler — steel tracks
Crawler / Standard Steel Tracks
Undercarriage Type
Crawler — steel tracks
Crawler / Standard Steel Tracks
Steering & Brakes
Overall Length
9570 mm
7970 mm
Overall Length
9570 mm
7970 mm
Overall Width
2800 mm
2490 mm
Overall Width
2800 mm
2490 mm
Overall Height
3250 mm
2880 mm
Overall Height
3250 mm
2880 mm
Cab Height
3250 mm
2870 mm
Cab Height
3250 mm
2870 mm
Boom Height
3.300 m
3.500 m
Boom Height
3.300 m
3.500 m
Track Width
600 mm
700 mm
Track Width
600 mm
700 mm
Performances
Travel Speed
10 km/h
5.8 km/h
Travel Speed
10 km/h
5.8 km/h
Swing Speed
10 rpm
11 rpm
Swing Speed
10 rpm
11 rpm
Gradeability
27 %
70 %
Gradeability
27 %
70 %
Drawbar Pull
150 kN
142 kN
Drawbar Pull
150 kN
142 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.7 Cu.m
Bucket Capacity
1 Cu.m
0.7 Cu.m
Bucket Options
0.8
Multiple size buckets available per job requirement
Bucket Options
0.8
Multiple size buckets available per job requirement
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Standard auxiliary and quick-coupler piping (varies by region)
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Standard auxiliary and quick-coupler piping (varies by region)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
Colour monitor
Display Type
8 LCD Touch Screen
Colour monitor
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Mechanical suspension with headrest
Seat Type
Suspension Seat
Mechanical suspension with headrest
Noise Level
70 dB(A)
Conforms to standard industrial spec (usually ≤ noise limits) dB(A)
Noise Level
70 dB(A)
Conforms to standard industrial spec (usually ≤ noise limits) dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
1 × 12 V
Battery
2X12 V
1 × 12 V
Alternator Output
100 A
Standard industrial output A
Alternator Output
100 A
Standard industrial output 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
Kobelco SK140
Pros
- Strong Power & Digging Capability
- Comfortable Operator Environment
- Fuel Efficiency & Smart Features
