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JCB 18Z VS CAT 320C Comparison
JCB 18Z
₹ 25 L - 30 L
VS
CAT 320C
₹ 15 L - 17 L
JCB 18Z
₹25L
CAT 320C
₹15L
Compare excavators helps you make an informed purchase decision.
JCB 18Z
From ₹ 25 Lakh
CAT 320C
From ₹ 15 Lakh
Engine
Model
Perkins 403D‑07 (Diesel, water‑cooled)
Cat 3066 T
Model
Perkins 403D‑07 (Diesel, water‑cooled)
Cat 3066 T
Gross Power
11.7 kw
107 kw
Gross Power
11.7 kw
107 kw
Net Power
10.8 kw
103 kw
Net Power
10.8 kw
103 kw
Engine Power
15.68 HP
138 HP
Engine Power
15.68 HP
138 HP
Engine Displacement
762 cc
6.37 cc
Engine Displacement
762 cc
6.37 cc
Number Of Cylinders
3 Nos
6 Nos
Number Of Cylinders
3 Nos
6 Nos
Rated RPM
2550 rpm
1,800 rpm
Rated RPM
2550 rpm
1,800 rpm
Emission Standard
BS IV
US EPA Tier 2 / EU Stage II
Emission Standard
BS IV
US EPA Tier 2 / EU Stage II
Max Torque
45.6 Nm
800 Nm
Max Torque
45.6 Nm
800 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
1749 kg
19700 kg
Operating Weight
1749 kg
19700 kg
Machine Weight
1749 kg
20,870 kg
Machine Weight
1749 kg
20,870 kg
Counter Weight
1500 kg
4,120 kg
Counter Weight
1500 kg
4,120 kg
Ground Pressure
0.4 kg
63 kg
Ground Pressure
0.4 kg
63 kg
Hydraulic System
Main Pump Type
fixed displacement piston pump
Dual piston pumps (load sensing)
Main Pump Type
fixed displacement piston pump
Dual piston pumps (load sensing)
Maximum Hydraulic Flow
36 L/min
205 L/min
Maximum Hydraulic Flow
36 L/min
205 L/min
Maximum System Pressure
235 bar
343 bar
Maximum System Pressure
235 bar
343 bar
Hydraulic Oil Capacity
28 litres
240 litres
Hydraulic Oil Capacity
28 litres
240 litres
Auxiliary Hydraulic Flow
32 L/min
41 L/min
Auxiliary Hydraulic Flow
32 L/min
41 L/min
Working Range
Max Digging Depth
3560 mm
6620 mm
Max Digging Depth
3560 mm
6620 mm
Max Vertical Wall Digging Depth
1930 mm
6200 mm
Max Vertical Wall Digging Depth
1930 mm
6200 mm
Max Reach at Ground Level
3830 mm
8390 mm
Max Reach at Ground Level
3830 mm
8390 mm
Max Dumping Height
2598 mm
7000 mm
Max Dumping Height
2598 mm
7000 mm
Max Cutting Height
3556 mm
8580 mm
Max Cutting Height
3556 mm
8580 mm
Boom Length
1.700 m
5.700 m
Boom Length
1.700 m
5.700 m
Arm Length
800 mm
2900 mm
Arm Length
800 mm
2900 mm
Bucket Breakout Force
15.6 kN
152 kN
Bucket Breakout Force
15.6 kN
152 kN
Arm Tear-out Force
8.8 kN
146 kN
Arm Tear-out Force
8.8 kN
146 kN
Capacities
Fuel Tank Capacity
20.5 litres
320 litres
Fuel Tank Capacity
20.5 litres
320 litres
Hydraulic Tank Capacity
15 litres
120 litres
Hydraulic Tank Capacity
15 litres
120 litres
Cooling System Capacity
4.3 litres
120 litres
Cooling System Capacity
4.3 litres
120 litres
Engine Oil Capacity
2.5 litres
15 litres
Engine Oil Capacity
2.5 litres
15 litres
Swing Drive Oil Capacity
3 litres
12 litres
Swing Drive Oil Capacity
3 litres
12 litres
Final Drive Gear Oil Capacity
4 litres
5 litres
Final Drive Gear Oil Capacity
4 litres
5 litres
Under Carriage
Track Shoe Width
230 mm
600 mm
Track Shoe Width
230 mm
600 mm
Track Gauge
750 mm
2200 mm
Track Gauge
750 mm
2200 mm
Track Length on Ground
1220 mm
3620 mm
Track Length on Ground
1220 mm
3620 mm
Ground Clearance
162 mm
470 mm
Ground Clearance
162 mm
470 mm
Tail Swing Radius
1103 mm
2 770 mm
Tail Swing Radius
1103 mm
2 770 mm
Undercarriage Type
Crawler – Rubber Tracks
Tracked undercarriage (steel track shoes with rollers and grease tensioning) – standard crawler system for medium excavators.
Undercarriage Type
Crawler – Rubber Tracks
Tracked undercarriage (steel track shoes with rollers and grease tensioning) – standard crawler system for medium excavators.
Steering & Brakes
Overall Length
3547 mm
9390 mm
Overall Length
3547 mm
9390 mm
Overall Width
1006 mm
2800 mm
Overall Width
1006 mm
2800 mm
Overall Height
2340 mm
3050 mm
Overall Height
2340 mm
3050 mm
Cab Height
2100 mm
600 mm
Cab Height
2100 mm
600 mm
Boom Height
3.500 m
3.500 m
Boom Height
3.500 m
3.500 m
Track Width
230 mm
460 mm
Track Width
230 mm
460 mm
Performances
Travel Speed
2 km/h
3.5 km/h
Travel Speed
2 km/h
3.5 km/h
Swing Speed
7.9 rpm
11.5 rpm
Swing Speed
7.9 rpm
11.5 rpm
Gradeability
35 %
70 %
Gradeability
35 %
70 %
Drawbar Pull
120 kN
196 kN
Drawbar Pull
120 kN
196 kN
Bucket And Attachments
Bucket Capacity
0.4 Cu.m
0.6 Cu.m
Bucket Capacity
0.4 Cu.m
0.6 Cu.m
Bucket Options
0.4
GP, HD, trenching buckets
Bucket Options
0.4
GP, HD, trenching buckets
Attachment Compatibility
Breaker, auger, grapple (via aux. hydraulics)
Hydraulic hammer, grapple, ripper, auger
Attachment Compatibility
Breaker, auger, grapple (via aux. hydraulics)
Hydraulic hammer, grapple, ripper, auger
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
7 inch LCD
Operator instrument panel
Display Type
7 inch LCD
Operator instrument panel
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Basic suspension/ vinyl
Suspension seat
Seat Type
Basic suspension/ vinyl
Suspension seat
Noise Level
72 dB(A)
74 dB(A)
Noise Level
72 dB(A)
74 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
12 V
24 V (2×12 V) V
Battery
12 V
24 V (2×12 V) V
Alternator Output
60 A
50 A
Alternator Output
60 A
50 A
Lighting Type
LED
LED
Lighting Type
LED
LED
Additional Features
Auto Idle
No
Yes
Auto Idle
No
Yes
Eco Mode
Yes
Yes
Eco Mode
Yes
Yes
Telematics
Yes
Yes
Telematics
Yes
Yes
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.
CAT 320C
Pros
- Smooth & Powerful Performance
- Reliable & Durable
- Comfortable Operator Environment
