Compare Excavators. Choose Smarter.
JCB 18Z VS Sona RDT-17 Comparison
JCB 18Z
₹ 25 L - 30 L
VS
Sona RDT-17
₹ 14 L - 16 L
JCB 18Z
₹25L
Sona RDT-17
₹14L
Compare excavators helps you make an informed purchase decision.
JCB 18Z
From ₹ 25 Lakh
Sona RDT-17
From ₹ 14 Lakh
Engine
Model
Perkins 403D‑07 (Diesel, water‑cooled)
YANMAR 3‑TVN‑70
Model
Perkins 403D‑07 (Diesel, water‑cooled)
YANMAR 3‑TVN‑70
Gross Power
11.7 kw
10 kw
Gross Power
11.7 kw
10 kw
Net Power
10.8 kw
10 kw
Net Power
10.8 kw
10 kw
Engine Power
15.68 HP
13 HP
Engine Power
15.68 HP
13 HP
Engine Displacement
762 cc
850 cc
Engine Displacement
762 cc
850 cc
Number Of Cylinders
3 Nos
3 Nos
Number Of Cylinders
3 Nos
3 Nos
Rated RPM
2550 rpm
2200 rpm
Rated RPM
2550 rpm
2200 rpm
Emission Standard
BS IV
BS III
Emission Standard
BS IV
BS III
Max Torque
45.6 Nm
45 Nm
Max Torque
45.6 Nm
45 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
1749 kg
1700 kg
Operating Weight
1749 kg
1700 kg
Machine Weight
1749 kg
1700 kg
Machine Weight
1749 kg
1700 kg
Counter Weight
1500 kg
120 kg
Counter Weight
1500 kg
120 kg
Ground Pressure
0.4 kg
28 kg
Ground Pressure
0.4 kg
28 kg
Hydraulic System
Main Pump Type
fixed displacement piston pump
Gear/axial piston pump
Main Pump Type
fixed displacement piston pump
Gear/axial piston pump
Maximum Hydraulic Flow
36 L/min
40 L/min
Maximum Hydraulic Flow
36 L/min
40 L/min
Maximum System Pressure
235 bar
210 bar
Maximum System Pressure
235 bar
210 bar
Hydraulic Oil Capacity
28 litres
20 litres
Hydraulic Oil Capacity
28 litres
20 litres
Auxiliary Hydraulic Flow
32 L/min
30 L/min
Auxiliary Hydraulic Flow
32 L/min
30 L/min
Working Range
Max Digging Depth
3560 mm
1800 mm
Max Digging Depth
3560 mm
1800 mm
Max Vertical Wall Digging Depth
1930 mm
1320 mm
Max Vertical Wall Digging Depth
1930 mm
1320 mm
Max Reach at Ground Level
3830 mm
2300 mm
Max Reach at Ground Level
3830 mm
2300 mm
Max Dumping Height
2598 mm
2700 mm
Max Dumping Height
2598 mm
2700 mm
Max Cutting Height
3556 mm
2700 mm
Max Cutting Height
3556 mm
2700 mm
Boom Length
1.700 m
1.700 m
Boom Length
1.700 m
1.700 m
Arm Length
800 mm
850 mm
Arm Length
800 mm
850 mm
Bucket Breakout Force
15.6 kN
12 kN
Bucket Breakout Force
15.6 kN
12 kN
Arm Tear-out Force
8.8 kN
8 kN
Arm Tear-out Force
8.8 kN
8 kN
Capacities
Fuel Tank Capacity
20.5 litres
18 litres
Fuel Tank Capacity
20.5 litres
18 litres
Hydraulic Tank Capacity
15 litres
30 litres
Hydraulic Tank Capacity
15 litres
30 litres
Cooling System Capacity
4.3 litres
5 litres
Cooling System Capacity
4.3 litres
5 litres
Engine Oil Capacity
2.5 litres
4 litres
Engine Oil Capacity
2.5 litres
4 litres
Swing Drive Oil Capacity
3 litres
1 litres
Swing Drive Oil Capacity
3 litres
1 litres
Final Drive Gear Oil Capacity
4 litres
1 litres
Final Drive Gear Oil Capacity
4 litres
1 litres
Under Carriage
Track Shoe Width
230 mm
180 mm
Track Shoe Width
230 mm
180 mm
Track Gauge
750 mm
1000 mm
Track Gauge
750 mm
1000 mm
Track Length on Ground
1220 mm
1250 mm
Track Length on Ground
1220 mm
1250 mm
Ground Clearance
162 mm
400 mm
Ground Clearance
162 mm
400 mm
Tail Swing Radius
1103 mm
1200 mm
Tail Swing Radius
1103 mm
1200 mm
Undercarriage Type
Crawler – Rubber Tracks
Tracked crawler undercarriage (steel track shoes)
Undercarriage Type
Crawler – Rubber Tracks
Tracked crawler undercarriage (steel track shoes)
Steering & Brakes
Overall Length
3547 mm
2550 mm
Overall Length
3547 mm
2550 mm
Overall Width
1006 mm
1100 mm
Overall Width
1006 mm
1100 mm
Overall Height
2340 mm
2200 mm
Overall Height
2340 mm
2200 mm
Cab Height
2100 mm
2000 mm
Cab Height
2100 mm
2000 mm
Boom Height
3.500 m
1.500 m
Boom Height
3.500 m
1.500 m
Track Width
230 mm
180 mm
Track Width
230 mm
180 mm
Performances
Travel Speed
2 km/h
4 km/h
Travel Speed
2 km/h
4 km/h
Swing Speed
7.9 rpm
10 rpm
Swing Speed
7.9 rpm
10 rpm
Gradeability
35 %
35 %
Gradeability
35 %
35 %
Drawbar Pull
120 kN
10 kN
Drawbar Pull
120 kN
10 kN
Bucket And Attachments
Bucket Capacity
0.4 Cu.m
0.03 Cu.m
Bucket Capacity
0.4 Cu.m
0.03 Cu.m
Bucket Options
0.4
0.03 - 0.04
Bucket Options
0.4
0.03 - 0.04
Attachment Compatibility
Breaker, auger, grapple (via aux. hydraulics)
Auger, breaker
Attachment Compatibility
Breaker, auger, grapple (via aux. hydraulics)
Auger, breaker
Cabin And Controls
Cabin AC
Yes
No
Cabin AC
Yes
No
Display Type
7 inch LCD
Analog / Basic
Display Type
7 inch LCD
Analog / Basic
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Basic suspension/ vinyl
Mechanical / Vinyl
Seat Type
Basic suspension/ vinyl
Mechanical / Vinyl
Noise Level
72 dB(A)
90 dB(A)
Noise Level
72 dB(A)
90 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
12 V
12 V
Battery
12 V
12 V
Alternator Output
60 A
45 A
Alternator Output
60 A
45 A
Lighting Type
LED
Halogen
Lighting Type
LED
Halogen
Additional Features
Auto Idle
No
No
Auto Idle
No
No
Eco Mode
Yes
No
Eco Mode
Yes
No
Telematics
Yes
No
Telematics
Yes
No
Diagnostic System
Yes
Yes
Diagnostic System
Yes
Yes
JCB 18Z
Pros
- Zero tail swing design lets you work in confined spaces without the rear counterweight hitting obstacles.
- Easy access service panels and 180° opening door make maintenance quicker.
- Heavy‑duty steel bodywork and ROPS/TOPS canopy protect the machine and operator.
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
