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CAT 321 VS Kobelco SK 145XDLC Comparison
CAT 321
₹ 54 L - 55 L
VS
Kobelco SK 145XDLC
₹ 45 L - 55 L
CAT 321
₹54L
Kobelco SK 145XDLC
₹45L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
Kobelco SK 145XDLC
From ₹ 45 Lakh
Engine
Model
Cat® C3.6
ISUZU 4JJ1 (4‑cycle, water‑cooled, direct injection with turbocharger)
Model
Cat® C3.6
ISUZU 4JJ1 (4‑cycle, water‑cooled, direct injection with turbocharger)
Gross Power
100 kw
73 kw
Gross Power
100 kw
73 kw
Net Power
129 kw
73 kw
Net Power
129 kw
73 kw
Engine Power
136 HP
98 HP
Engine Power
136 HP
98 HP
Engine Displacement
3600 cc
3000 cc
Engine Displacement
3600 cc
3000 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
BS IV
Emission Standard
BS IV
BS IV
Max Torque
500 Nm
365 Nm
Max Torque
500 Nm
365 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
41 kg
Ground Pressure
60 kg
41 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
130 L/min
Maximum Hydraulic Flow
315 L/min
130 L/min
Maximum System Pressure
350 bar
343 bar
Maximum System Pressure
350 bar
343 bar
Hydraulic Oil Capacity
218 litres
197 litres
Hydraulic Oil Capacity
218 litres
197 litres
Auxiliary Hydraulic Flow
120 L/min
120 L/min
Auxiliary Hydraulic Flow
120 L/min
120 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
4880 mm
Max Vertical Wall Digging Depth
5360 mm
4880 mm
Max Reach at Ground Level
9150 mm
7930 mm
Max Reach at Ground Level
9150 mm
7930 mm
Max Dumping Height
6250 mm
5810 mm
Max Dumping Height
6250 mm
5810 mm
Max Cutting Height
9120 mm
8300 mm
Max Cutting Height
9120 mm
8300 mm
Boom Length
5.700 m
4.680 m
Boom Length
5.700 m
4.680 m
Arm Length
2250 mm
2090 mm
Arm Length
2250 mm
2090 mm
Bucket Breakout Force
135 kN
132 kN
Bucket Breakout Force
135 kN
132 kN
Arm Tear-out Force
119 kN
73 kN
Arm Tear-out Force
119 kN
73 kN
Capacities
Fuel Tank Capacity
370 litres
271 litres
Fuel Tank Capacity
370 litres
271 litres
Hydraulic Tank Capacity
218 litres
197 litres
Hydraulic Tank Capacity
218 litres
197 litres
Cooling System Capacity
25 litres
12 litres
Cooling System Capacity
25 litres
12 litres
Engine Oil Capacity
11 litres
18.5 litres
Engine Oil Capacity
11 litres
18.5 litres
Swing Drive Oil Capacity
6 litres
7 litres
Swing Drive Oil Capacity
6 litres
7 litres
Final Drive Gear Oil Capacity
6 litres
12 litres
Final Drive Gear Oil Capacity
6 litres
12 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
3040 mm
Track Length on Ground
3650 mm
3040 mm
Ground Clearance
450 mm
415 mm
Ground Clearance
450 mm
415 mm
Tail Swing Radius
1676 mm
2330 mm
Tail Swing Radius
1676 mm
2330 mm
Undercarriage Type
Crawler — steel tracks
Tracked undercarriage with steel track shoes and grease‑tensioned track adjustment — conventional crawler system for excavators.
Undercarriage Type
Crawler — steel tracks
Tracked undercarriage with steel track shoes and grease‑tensioned track adjustment — conventional crawler system for excavators.
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
2740 mm
Overall Height
3250 mm
2740 mm
Cab Height
3250 mm
2142 mm
Cab Height
3250 mm
2142 mm
Boom Height
3.300 m
2.765 m
Boom Height
3.300 m
2.765 m
Track Width
600 mm
700 mm
Track Width
600 mm
700 mm
Performances
Travel Speed
10 km/h
5.7 km/h
Travel Speed
10 km/h
5.7 km/h
Swing Speed
10 rpm
10.8 rpm
Swing Speed
10 rpm
10.8 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
0.6 – 0.7
Bucket Options
0.8
0.6 – 0.7
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, couplers, other standard excavator attachments
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, couplers, other standard excavator attachments
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
7 Inch LCD
Display Type
8 LCD Touch Screen
7 Inch LCD
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Suspension seat
Seat Type
Suspension Seat
Suspension seat
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
68 A
Alternator Output
100 A
68 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 SK 145XDLC
Pros
- Strong ~98 HP engine with 3.0 L displacement delivers solid performance for a ~14 t excavator class.
- Newly developed robust boom and improved arm strength help in heavy earthmoving and loading tasks.
- ECO‑mode and Auto Idle Stop (AIS) improve fuel economy.
