Compare Excavators. Choose Smarter.
CAT 320C VS Sona RDT-17 Comparison
CAT 320C
₹ 15 L - 17 L
VS
Sona RDT-17
₹ 14 L - 16 L
CAT 320C
₹15L
Sona RDT-17
₹14L
Compare excavators helps you make an informed purchase decision.
CAT 320C
From ₹ 15 Lakh
Sona RDT-17
From ₹ 14 Lakh
Engine
Model
Cat 3066 T
YANMAR 3‑TVN‑70
Model
Cat 3066 T
YANMAR 3‑TVN‑70
Gross Power
107 kw
10 kw
Gross Power
107 kw
10 kw
Net Power
103 kw
10 kw
Net Power
103 kw
10 kw
Engine Power
138 HP
13 HP
Engine Power
138 HP
13 HP
Engine Displacement
6.37 cc
850 cc
Engine Displacement
6.37 cc
850 cc
Number Of Cylinders
6 Nos
3 Nos
Number Of Cylinders
6 Nos
3 Nos
Rated RPM
1,800 rpm
2200 rpm
Rated RPM
1,800 rpm
2200 rpm
Emission Standard
US EPA Tier 2 / EU Stage II
BS III
Emission Standard
US EPA Tier 2 / EU Stage II
BS III
Max Torque
800 Nm
45 Nm
Max Torque
800 Nm
45 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19700 kg
1700 kg
Operating Weight
19700 kg
1700 kg
Machine Weight
20,870 kg
1700 kg
Machine Weight
20,870 kg
1700 kg
Counter Weight
4,120 kg
120 kg
Counter Weight
4,120 kg
120 kg
Ground Pressure
63 kg
28 kg
Ground Pressure
63 kg
28 kg
Hydraulic System
Main Pump Type
Dual piston pumps (load sensing)
Gear/axial piston pump
Main Pump Type
Dual piston pumps (load sensing)
Gear/axial piston pump
Maximum Hydraulic Flow
205 L/min
40 L/min
Maximum Hydraulic Flow
205 L/min
40 L/min
Maximum System Pressure
343 bar
210 bar
Maximum System Pressure
343 bar
210 bar
Hydraulic Oil Capacity
240 litres
20 litres
Hydraulic Oil Capacity
240 litres
20 litres
Auxiliary Hydraulic Flow
41 L/min
30 L/min
Auxiliary Hydraulic Flow
41 L/min
30 L/min
Working Range
Max Digging Depth
6620 mm
1800 mm
Max Digging Depth
6620 mm
1800 mm
Max Vertical Wall Digging Depth
6200 mm
1320 mm
Max Vertical Wall Digging Depth
6200 mm
1320 mm
Max Reach at Ground Level
8390 mm
2300 mm
Max Reach at Ground Level
8390 mm
2300 mm
Max Dumping Height
7000 mm
2700 mm
Max Dumping Height
7000 mm
2700 mm
Max Cutting Height
8580 mm
2700 mm
Max Cutting Height
8580 mm
2700 mm
Boom Length
5.700 m
1.700 m
Boom Length
5.700 m
1.700 m
Arm Length
2900 mm
850 mm
Arm Length
2900 mm
850 mm
Bucket Breakout Force
152 kN
12 kN
Bucket Breakout Force
152 kN
12 kN
Arm Tear-out Force
146 kN
8 kN
Arm Tear-out Force
146 kN
8 kN
Capacities
Fuel Tank Capacity
320 litres
18 litres
Fuel Tank Capacity
320 litres
18 litres
Hydraulic Tank Capacity
120 litres
30 litres
Hydraulic Tank Capacity
120 litres
30 litres
Cooling System Capacity
120 litres
5 litres
Cooling System Capacity
120 litres
5 litres
Engine Oil Capacity
15 litres
4 litres
Engine Oil Capacity
15 litres
4 litres
Swing Drive Oil Capacity
12 litres
1 litres
Swing Drive Oil Capacity
12 litres
1 litres
Final Drive Gear Oil Capacity
5 litres
1 litres
Final Drive Gear Oil Capacity
5 litres
1 litres
Under Carriage
Track Shoe Width
600 mm
180 mm
Track Shoe Width
600 mm
180 mm
Track Gauge
2200 mm
1000 mm
Track Gauge
2200 mm
1000 mm
Track Length on Ground
3620 mm
1250 mm
Track Length on Ground
3620 mm
1250 mm
Ground Clearance
470 mm
400 mm
Ground Clearance
470 mm
400 mm
Tail Swing Radius
2 770 mm
1200 mm
Tail Swing Radius
2 770 mm
1200 mm
Undercarriage Type
Tracked undercarriage (steel track shoes with rollers and grease tensioning) – standard crawler system for medium excavators.
Tracked crawler undercarriage (steel track shoes)
Undercarriage Type
Tracked undercarriage (steel track shoes with rollers and grease tensioning) – standard crawler system for medium excavators.
Tracked crawler undercarriage (steel track shoes)
Steering & Brakes
Overall Length
9390 mm
2550 mm
Overall Length
9390 mm
2550 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
600 mm
2000 mm
Cab Height
600 mm
2000 mm
Boom Height
3.500 m
1.500 m
Boom Height
3.500 m
1.500 m
Track Width
460 mm
180 mm
Track Width
460 mm
180 mm
Performances
Travel Speed
3.5 km/h
4 km/h
Travel Speed
3.5 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
196 kN
10 kN
Drawbar Pull
196 kN
10 kN
Bucket And Attachments
Bucket Capacity
0.6 Cu.m
0.03 Cu.m
Bucket Capacity
0.6 Cu.m
0.03 Cu.m
Bucket Options
GP, HD, trenching buckets
0.03 - 0.04
Bucket Options
GP, HD, trenching buckets
0.03 - 0.04
Attachment Compatibility
Hydraulic hammer, grapple, ripper, auger
Auger, breaker
Attachment Compatibility
Hydraulic hammer, grapple, ripper, auger
Auger, breaker
Cabin And Controls
Cabin AC
Yes
No
Cabin AC
Yes
No
Display Type
Operator instrument panel
Analog / Basic
Display Type
Operator instrument panel
Analog / Basic
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension seat
Mechanical / Vinyl
Seat Type
Suspension seat
Mechanical / Vinyl
Noise Level
74 dB(A)
90 dB(A)
Noise Level
74 dB(A)
90 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
24 V (2×12 V) V
12 V
Battery
24 V (2×12 V) V
12 V
Alternator Output
50 A
45 A
Alternator Output
50 A
45 A
Lighting Type
LED
Halogen
Lighting Type
LED
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 320C
Pros
- Smooth & Powerful Performance
- Reliable & Durable
- Comfortable Operator Environment
Sona RDT-17
Pros
- At ~1.7 t operating weight, easy to transport and use in tight areas.
- Reliable engine brand commonly used in mini excavators.
- 1.8 m digging depth and ~2.7 m height are reasonable for 1.7 t machines
