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CAT 320D VS KUBOTA U30 - 6 Comparison
CAT 320D
₹ 22 L - 23.99 L
VS
KUBOTA U30 - 6
₹ 25 L - 27 L
CAT 320D
₹22L
KUBOTA U30 - 6
₹25L
Compare excavators helps you make an informed purchase decision.
CAT 320D
From ₹ 22 Lakh
KUBOTA U30 - 6
From ₹ 25 Lakh
Engine
Model
CAT 3066TA
Kubota D1703‑M‑E3‑BH‑11
Model
CAT 3066TA
Kubota D1703‑M‑E3‑BH‑11
Gross Power
112.8 kw
20.5 kw
Gross Power
112.8 kw
20.5 kw
Net Power
104 kw
20.5 kw
Net Power
104 kw
20.5 kw
Engine Power
140 HP
27.5 HP
Engine Power
140 HP
27.5 HP
Engine Displacement
6370 cc
1,826 cc
Engine Displacement
6370 cc
1,826 cc
Number Of Cylinders
6 Nos
3 Nos
Number Of Cylinders
6 Nos
3 Nos
Rated RPM
1800 rpm
2200 rpm
Rated RPM
1800 rpm
2200 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
3105 kg
Operating Weight
20330 kg
3105 kg
Machine Weight
20300 kg
3,120 kg
Machine Weight
20300 kg
3,120 kg
Counter Weight
4200 kg
4300 kg
Counter Weight
4200 kg
4300 kg
Ground Pressure
55 kg
40 kg
Ground Pressure
55 kg
40 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston
Variable displacement pumps × 2 + gear pump × 1
Main Pump Type
Variable displacement axial piston
Variable displacement pumps × 2 + gear pump × 1
Maximum Hydraulic Flow
205 L/min
50 L/min
Maximum Hydraulic Flow
205 L/min
50 L/min
Maximum System Pressure
350 bar
245 bar
Maximum System Pressure
350 bar
245 bar
Hydraulic Oil Capacity
260 litres
250 litres
Hydraulic Oil Capacity
260 litres
250 litres
Auxiliary Hydraulic Flow
60 L/min
50 L/min
Auxiliary Hydraulic Flow
60 L/min
50 L/min
Working Range
Max Digging Depth
6720 mm
2820 mm
Max Digging Depth
6720 mm
2820 mm
Max Vertical Wall Digging Depth
6980 mm
2,290 mm
Max Vertical Wall Digging Depth
6980 mm
2,290 mm
Max Reach at Ground Level
10790 mm
4905 mm
Max Reach at Ground Level
10790 mm
4905 mm
Max Dumping Height
6940 mm
2,865 mm
Max Dumping Height
6940 mm
2,865 mm
Max Cutting Height
9960 mm
4,265 mm
Max Cutting Height
9960 mm
4,265 mm
Boom Length
5.700 m
5.700 m
Boom Length
5.700 m
5.700 m
Arm Length
2.5 mm
2900 mm
Arm Length
2.5 mm
2900 mm
Bucket Breakout Force
135 kN
30.0 kN
Bucket Breakout Force
135 kN
30.0 kN
Arm Tear-out Force
118 kN
110 kN
Arm Tear-out Force
118 kN
110 kN
Capacities
Fuel Tank Capacity
410 litres
46 litres
Fuel Tank Capacity
410 litres
46 litres
Hydraulic Tank Capacity
120 litres
220 litres
Hydraulic Tank Capacity
120 litres
220 litres
Cooling System Capacity
25 litres
36 litres
Cooling System Capacity
25 litres
36 litres
Engine Oil Capacity
30 litres
22 litres
Engine Oil Capacity
30 litres
22 litres
Swing Drive Oil Capacity
8 litres
8 litres
Swing Drive Oil Capacity
8 litres
8 litres
Final Drive Gear Oil Capacity
6 litres
7 litres
Final Drive Gear Oil Capacity
6 litres
7 litres
Under Carriage
Track Shoe Width
600 mm
300 mm
Track Shoe Width
600 mm
300 mm
Track Gauge
2200 mm
1220 mm
Track Gauge
2200 mm
1220 mm
Track Length on Ground
3265 mm
2100 mm
Track Length on Ground
3265 mm
2100 mm
Ground Clearance
450 mm
290 mm
Ground Clearance
450 mm
290 mm
Tail Swing Radius
2750 mm
790 mm
Tail Swing Radius
2750 mm
790 mm
Undercarriage Type
Crawler – Steel Tracks
Tracked crawler undercarriage (rubber/steel tracks)
Undercarriage Type
Crawler – Steel Tracks
Tracked crawler undercarriage (rubber/steel tracks)
Steering & Brakes
Overall Length
9450 mm
4,545 mm
Overall Length
9450 mm
4,545 mm
Overall Width
2800 mm
1,550 mm
Overall Width
2800 mm
1,550 mm
Overall Height
3050 mm
2,455 mm
Overall Height
3050 mm
2,455 mm
Cab Height
2950 mm
2,485 mm
Cab Height
2950 mm
2,485 mm
Boom Height
3.050 m
2.455 m
Boom Height
3.050 m
2.455 m
Track Width
600 mm
300 mm
Track Width
600 mm
300 mm
Performances
Travel Speed
5.6 km/h
4.6 km/h
Travel Speed
5.6 km/h
4.6 km/h
Swing Speed
10.5 rpm
8 rpm
Swing Speed
10.5 rpm
8 rpm
Gradeability
30 %
30 %
Gradeability
30 %
30 %
Drawbar Pull
205 kN
200 kN
Drawbar Pull
205 kN
200 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.1 Cu.m
Bucket Capacity
1 Cu.m
0.1 Cu.m
Bucket Options
0.57–1.56
General‑purpose, trenching, grading variants (market dependent)
Bucket Options
0.57–1.56
General‑purpose, trenching, grading variants (market dependent)
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Auxiliary hydraulics support breakers, augers, thumbs (ensure correct flow & fittings)
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Auxiliary hydraulics support breakers, augers, thumbs (ensure correct flow & fittings)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
LCD monitor on newer versions
Basic operator instrumentation with indicators
Display Type
LCD monitor on newer versions
Basic operator instrumentation with indicators
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Air suspension available
Adjustable operator seat
Seat Type
Air suspension available
Adjustable operator 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
60 A
Alternator Output
70 A
60 A
Lighting Type
Halogen
LED
Lighting Type
Halogen
LED
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.
KUBOTA U30 - 6
Pros
- Strong Engine & Digging Capability
- Efficient Fuel & Technology Features
- Compact Design & Maneuverability
