Compare Excavators. Choose Smarter.
CAT 320D3 VS Sona SDT-10 Comparison
CAT 320D3
₹ 25 L - 28 L
VS
Sona SDT-10
₹ 6 L - 10 L
CAT 320D3
₹25L
Sona SDT-10
₹6L
Compare excavators helps you make an informed purchase decision.
CAT 320D3
From ₹ 25 Lakh
Sona SDT-10
From ₹ 6 Lakh
Engine
Model
Cat ALUW06DTI
Sona SDT-10 Diesel
Model
Cat ALUW06DTI
Sona SDT-10 Diesel
Gross Power
100 kw
9.5 kw
Gross Power
100 kw
9.5 kw
Net Power
85 kw
8.5 kw
Net Power
85 kw
8.5 kw
Engine Power
134 HP
12 HP
Engine Power
134 HP
12 HP
Engine Displacement
5760 cc
900 cc
Engine Displacement
5760 cc
900 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
BS II
Emission Standard
BS IV
BS II
Max Torque
620 Nm
50 Nm
Max Torque
620 Nm
50 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
45860 kg
750 kg
Operating Weight
45860 kg
750 kg
Machine Weight
42478 kg
750 kg
Machine Weight
42478 kg
750 kg
Counter Weight
10211 kg
100 kg
Counter Weight
10211 kg
100 kg
Ground Pressure
44 kg
35 kg
Ground Pressure
44 kg
35 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston pumps
Gear/Axial Piston
Main Pump Type
Variable displacement axial piston pumps
Gear/Axial Piston
Maximum Hydraulic Flow
420 L/min
18 L/min
Maximum Hydraulic Flow
420 L/min
18 L/min
Maximum System Pressure
350 bar
200 bar
Maximum System Pressure
350 bar
200 bar
Hydraulic Oil Capacity
234 litres
10 litres
Hydraulic Oil Capacity
234 litres
10 litres
Auxiliary Hydraulic Flow
150 L/min
18 L/min
Auxiliary Hydraulic Flow
150 L/min
18 L/min
Working Range
Max Digging Depth
6300 mm
1650 mm
Max Digging Depth
6300 mm
1650 mm
Max Vertical Wall Digging Depth
5720 mm
1200 mm
Max Vertical Wall Digging Depth
5720 mm
1200 mm
Max Reach at Ground Level
9470 mm
2600 mm
Max Reach at Ground Level
9470 mm
2600 mm
Max Dumping Height
6710 mm
2400 mm
Max Dumping Height
6710 mm
2400 mm
Max Cutting Height
9250 mm
2600 mm
Max Cutting Height
9250 mm
2600 mm
Boom Length
5.700 m
1.500 m
Boom Length
5.700 m
1.500 m
Arm Length
2500 mm
900 mm
Arm Length
2500 mm
900 mm
Bucket Breakout Force
143 kN
9 kN
Bucket Breakout Force
143 kN
9 kN
Arm Tear-out Force
99 kN
7 kN
Arm Tear-out Force
99 kN
7 kN
Capacities
Fuel Tank Capacity
410 litres
5.5 litres
Fuel Tank Capacity
410 litres
5.5 litres
Hydraulic Tank Capacity
115 litres
10 litres
Hydraulic Tank Capacity
115 litres
10 litres
Cooling System Capacity
40 litres
5 litres
Cooling System Capacity
40 litres
5 litres
Engine Oil Capacity
25 litres
3.5 litres
Engine Oil Capacity
25 litres
3.5 litres
Swing Drive Oil Capacity
5 litres
1 litres
Swing Drive Oil Capacity
5 litres
1 litres
Final Drive Gear Oil Capacity
16 litres
1 litres
Final Drive Gear Oil Capacity
16 litres
1 litres
Under Carriage
Track Shoe Width
600 mm
180 mm
Track Shoe Width
600 mm
180 mm
Track Gauge
2200 mm
900 mm
Track Gauge
2200 mm
900 mm
Track Length on Ground
4,080 mm
1200 mm
Track Length on Ground
4,080 mm
1200 mm
Ground Clearance
450 mm
380 mm
Ground Clearance
450 mm
380 mm
Tail Swing Radius
2750 mm
900 mm
Tail Swing Radius
2750 mm
900 mm
Undercarriage Type
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Tracked crawler undercarriage
Undercarriage Type
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Tracked crawler undercarriage
Steering & Brakes
Overall Length
9530 mm
2500 mm
Overall Length
9530 mm
2500 mm
Overall Width
2800 mm
1100 mm
Overall Width
2800 mm
1100 mm
Overall Height
3050 mm
2200 mm
Overall Height
3050 mm
2200 mm
Cab Height
3050 mm
2000 mm
Cab Height
3050 mm
2000 mm
Boom Height
3.200 m
1.500 m
Boom Height
3.200 m
1.500 m
Track Width
600 mm
180 mm
Track Width
600 mm
180 mm
Performances
Travel Speed
5.5 km/h
4 km/h
Travel Speed
5.5 km/h
4 km/h
Swing Speed
11.5 rpm
10 rpm
Swing Speed
11.5 rpm
10 rpm
Gradeability
70 %
35 %
Gradeability
70 %
35 %
Drawbar Pull
205 kN
10 kN
Drawbar Pull
205 kN
10 kN
Bucket And Attachments
Bucket Capacity
0.92 Cu.m
0.02 Cu.m
Bucket Capacity
0.92 Cu.m
0.02 Cu.m
Bucket Options
0.9 – 1.2
0.03 - 0.04
Bucket Options
0.9 – 1.2
0.03 - 0.04
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Auger, breaker (light-duty), small tilt bucket
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Auger, breaker (light-duty), small tilt bucket
Cabin And Controls
Cabin AC
Yes
No
Cabin AC
Yes
No
Display Type
LCD Monitor
Basic analog
Display Type
LCD Monitor
Basic analog
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable suspension seat
Mechanical / Vinyl
Seat Type
Adjustable suspension seat
Mechanical / Vinyl
Noise Level
72 dB(A)
85 dB(A)
Noise Level
72 dB(A)
85 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2x12 V
12 V
Battery
2x12 V
12 V
Alternator Output
80 A
45 A
Alternator Output
80 A
45 A
Lighting Type
Halogen
Halogen
Lighting Type
Halogen
Halogen
Additional Features
Auto Idle
Yes
No
Auto Idle
Yes
No
Eco Mode
Yes
No
Eco Mode
Yes
No
Telematics
Yes
No
Telematics
Yes
No
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.
Sona SDT-10
Pros
- Ultra‑compact & lightweight — easy to transport and operate in tight spaces (750 kg class).
- Lower initial cost and operating cost vs larger excavators.
- Good digging depth (~1.65 m) for its class.
