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CAT 320D3 VS KUBOTA U30 - 6 Comparison
CAT 320D3
₹ 25 L - 28 L
VS
KUBOTA U30 - 6
₹ 25 L - 27 L
CAT 320D3
₹25L
KUBOTA U30 - 6
₹25L
Compare excavators helps you make an informed purchase decision.
CAT 320D3
From ₹ 25 Lakh
KUBOTA U30 - 6
From ₹ 25 Lakh
Engine
Model
Cat ALUW06DTI
Kubota D1703‑M‑E3‑BH‑11
Model
Cat ALUW06DTI
Kubota D1703‑M‑E3‑BH‑11
Gross Power
100 kw
20.5 kw
Gross Power
100 kw
20.5 kw
Net Power
85 kw
20.5 kw
Net Power
85 kw
20.5 kw
Engine Power
134 HP
27.5 HP
Engine Power
134 HP
27.5 HP
Engine Displacement
5760 cc
1,826 cc
Engine Displacement
5760 cc
1,826 cc
Number Of Cylinders
6 Nos
3 Nos
Number Of Cylinders
6 Nos
3 Nos
Rated RPM
1700 rpm
2200 rpm
Rated RPM
1700 rpm
2200 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
3105 kg
Operating Weight
45860 kg
3105 kg
Machine Weight
42478 kg
3,120 kg
Machine Weight
42478 kg
3,120 kg
Counter Weight
10211 kg
4300 kg
Counter Weight
10211 kg
4300 kg
Ground Pressure
44 kg
40 kg
Ground Pressure
44 kg
40 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston pumps
Variable displacement pumps × 2 + gear pump × 1
Main Pump Type
Variable displacement axial piston pumps
Variable displacement pumps × 2 + gear pump × 1
Maximum Hydraulic Flow
420 L/min
50 L/min
Maximum Hydraulic Flow
420 L/min
50 L/min
Maximum System Pressure
350 bar
245 bar
Maximum System Pressure
350 bar
245 bar
Hydraulic Oil Capacity
234 litres
250 litres
Hydraulic Oil Capacity
234 litres
250 litres
Auxiliary Hydraulic Flow
150 L/min
50 L/min
Auxiliary Hydraulic Flow
150 L/min
50 L/min
Working Range
Max Digging Depth
6300 mm
2820 mm
Max Digging Depth
6300 mm
2820 mm
Max Vertical Wall Digging Depth
5720 mm
2,290 mm
Max Vertical Wall Digging Depth
5720 mm
2,290 mm
Max Reach at Ground Level
9470 mm
4905 mm
Max Reach at Ground Level
9470 mm
4905 mm
Max Dumping Height
6710 mm
2,865 mm
Max Dumping Height
6710 mm
2,865 mm
Max Cutting Height
9250 mm
4,265 mm
Max Cutting Height
9250 mm
4,265 mm
Boom Length
5.700 m
5.700 m
Boom Length
5.700 m
5.700 m
Arm Length
2500 mm
2900 mm
Arm Length
2500 mm
2900 mm
Bucket Breakout Force
143 kN
30.0 kN
Bucket Breakout Force
143 kN
30.0 kN
Arm Tear-out Force
99 kN
110 kN
Arm Tear-out Force
99 kN
110 kN
Capacities
Fuel Tank Capacity
410 litres
46 litres
Fuel Tank Capacity
410 litres
46 litres
Hydraulic Tank Capacity
115 litres
220 litres
Hydraulic Tank Capacity
115 litres
220 litres
Cooling System Capacity
40 litres
36 litres
Cooling System Capacity
40 litres
36 litres
Engine Oil Capacity
25 litres
22 litres
Engine Oil Capacity
25 litres
22 litres
Swing Drive Oil Capacity
5 litres
8 litres
Swing Drive Oil Capacity
5 litres
8 litres
Final Drive Gear Oil Capacity
16 litres
7 litres
Final Drive Gear Oil Capacity
16 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
4,080 mm
2100 mm
Track Length on Ground
4,080 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
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Tracked crawler undercarriage (rubber/steel tracks)
Undercarriage Type
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Tracked crawler undercarriage (rubber/steel tracks)
Steering & Brakes
Overall Length
9530 mm
4,545 mm
Overall Length
9530 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
3050 mm
2,485 mm
Cab Height
3050 mm
2,485 mm
Boom Height
3.200 m
2.455 m
Boom Height
3.200 m
2.455 m
Track Width
600 mm
300 mm
Track Width
600 mm
300 mm
Performances
Travel Speed
5.5 km/h
4.6 km/h
Travel Speed
5.5 km/h
4.6 km/h
Swing Speed
11.5 rpm
8 rpm
Swing Speed
11.5 rpm
8 rpm
Gradeability
70 %
30 %
Gradeability
70 %
30 %
Drawbar Pull
205 kN
200 kN
Drawbar Pull
205 kN
200 kN
Bucket And Attachments
Bucket Capacity
0.92 Cu.m
0.1 Cu.m
Bucket Capacity
0.92 Cu.m
0.1 Cu.m
Bucket Options
0.9 – 1.2
General‑purpose, trenching, grading variants (market dependent)
Bucket Options
0.9 – 1.2
General‑purpose, trenching, grading variants (market dependent)
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Auxiliary hydraulics support breakers, augers, thumbs (ensure correct flow & fittings)
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
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
Basic operator instrumentation with indicators
Display Type
LCD Monitor
Basic operator instrumentation with indicators
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable suspension seat
Adjustable operator seat
Seat Type
Adjustable suspension seat
Adjustable operator 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
60 A
Alternator Output
80 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 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.
KUBOTA U30 - 6
Pros
- Strong Engine & Digging Capability
- Efficient Fuel & Technology Features
- Compact Design & Maneuverability
