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CAT 323D3 VS JCB 55Z Comparison
CAT 323D3
₹ 44 L - 46 L
VS
JCB 55Z
₹ 36 L - 39 L
CAT 323D3
₹44L
JCB 55Z
₹36L
Compare excavators helps you make an informed purchase decision.
CAT 323D3
From ₹ 44 Lakh
JCB 55Z
From ₹ 36 Lakh
Engine
Model
CAT C7.1
Stage 3A 404D‑22
Model
CAT C7.1
Stage 3A 404D‑22
Gross Power
152 kw
35.7 kw
Gross Power
152 kw
35.7 kw
Net Power
143 kw
33.1 kw
Net Power
143 kw
33.1 kw
Engine Power
151 HP
48 HP
Engine Power
151 HP
48 HP
Engine Displacement
7010 cc
2179 cc
Engine Displacement
7010 cc
2179 cc
Number Of Cylinders
6 Nos
4 Nos
Number Of Cylinders
6 Nos
4 Nos
Rated RPM
1700 rpm
2600 rpm
Rated RPM
1700 rpm
2600 rpm
Emission Standard
UN R96 Stage II
BS III
Emission Standard
UN R96 Stage II
BS III
Max Torque
900 Nm
143 Nm
Max Torque
900 Nm
143 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
22800 kg
5520 kg
Operating Weight
22800 kg
5520 kg
Machine Weight
22800 kg
5520 kg
Machine Weight
22800 kg
5520 kg
Counter Weight
1020 kg
982 kg
Counter Weight
1020 kg
982 kg
Ground Pressure
46.8 kg
34.3 kg
Ground Pressure
46.8 kg
34.3 kg
Hydraulic System
Main Pump Type
Variable Displacement
Piston pump
Main Pump Type
Variable Displacement
Piston pump
Maximum Hydraulic Flow
430 L/min
126 L/min
Maximum Hydraulic Flow
430 L/min
126 L/min
Maximum System Pressure
343 bar
240 bar
Maximum System Pressure
343 bar
240 bar
Hydraulic Oil Capacity
276 litres
100 litres
Hydraulic Oil Capacity
276 litres
100 litres
Auxiliary Hydraulic Flow
129 L/min
63 L/min
Auxiliary Hydraulic Flow
129 L/min
63 L/min
Working Range
Max Digging Depth
6300 mm
3840 mm
Max Digging Depth
6300 mm
3840 mm
Max Vertical Wall Digging Depth
4351 mm
3328 mm
Max Vertical Wall Digging Depth
4351 mm
3328 mm
Max Reach at Ground Level
6431 mm
6200 mm
Max Reach at Ground Level
6431 mm
6200 mm
Max Dumping Height
6962 mm
4270 mm
Max Dumping Height
6962 mm
4270 mm
Max Cutting Height
7542 mm
3728 mm
Max Cutting Height
7542 mm
3728 mm
Boom Length
5.7 m
2.866 m
Boom Length
5.7 m
2.866 m
Arm Length
2900 mm
1450 mm
Arm Length
2900 mm
1450 mm
Bucket Breakout Force
76 kN
45 kN
Bucket Breakout Force
76 kN
45 kN
Arm Tear-out Force
65 kN
29 kN
Arm Tear-out Force
65 kN
29 kN
Capacities
Fuel Tank Capacity
410 litres
76 litres
Fuel Tank Capacity
410 litres
76 litres
Hydraulic Tank Capacity
138 litres
55 litres
Hydraulic Tank Capacity
138 litres
55 litres
Cooling System Capacity
28 litres
12 litres
Cooling System Capacity
28 litres
12 litres
Engine Oil Capacity
18 litres
9.1 litres
Engine Oil Capacity
18 litres
9.1 litres
Swing Drive Oil Capacity
6 litres
8 litres
Swing Drive Oil Capacity
6 litres
8 litres
Final Drive Gear Oil Capacity
5 litres
12 litres
Final Drive Gear Oil Capacity
5 litres
12 litres
Under Carriage
Track Shoe Width
600 mm
400 mm
Track Shoe Width
600 mm
400 mm
Track Gauge
2380 mm
1550 mm
Track Gauge
2380 mm
1550 mm
Track Length on Ground
4460 mm
1950 mm
Track Length on Ground
4460 mm
1950 mm
Ground Clearance
450 mm
300 mm
Ground Clearance
450 mm
300 mm
Tail Swing Radius
2750 mm
975 mm
Tail Swing Radius
2750 mm
975 mm
Undercarriage Type
Crawler – Steel Tracks
Rubber/Steel tracked mini‑excavator undercarriage
Undercarriage Type
Crawler – Steel Tracks
Rubber/Steel tracked mini‑excavator undercarriage
Steering & Brakes
Overall Length
9460 mm
5520 mm
Overall Length
9460 mm
5520 mm
Overall Width
2980 mm
1960 mm
Overall Width
2980 mm
1960 mm
Overall Height
3050 mm
2551 mm
Overall Height
3050 mm
2551 mm
Cab Height
2970 mm
2551 mm
Cab Height
2970 mm
2551 mm
Boom Height
3.050 m
2.208 m
Boom Height
3.050 m
2.208 m
Track Width
600 mm
400 mm
Track Width
600 mm
400 mm
Performances
Travel Speed
5.8 km/h
4.6 km/h
Travel Speed
5.8 km/h
4.6 km/h
Swing Speed
11.88 rpm
11 rpm
Swing Speed
11.88 rpm
11 rpm
Gradeability
70 %
35 %
Gradeability
70 %
35 %
Drawbar Pull
210 kN
38.1 kN
Drawbar Pull
210 kN
38.1 kN
Bucket And Attachments
Bucket Capacity
1.2 Cu.m
0.22 Cu.m
Bucket Capacity
1.2 Cu.m
0.22 Cu.m
Bucket Options
1.05
0.14 - 0.22
Bucket Options
1.05
0.14 - 0.22
Attachment Compatibility
normal digging and loading.
Breakers, augers, quick couplers (optional)
Attachment Compatibility
normal digging and loading.
Breakers, augers, quick couplers (optional)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
203
Standard machine display
Display Type
203
Standard machine display
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Mechanically adjustable with headrest & armrests
Adjustable suspension seat
Seat Type
Mechanically adjustable with headrest & armrests
Adjustable suspension seat
Noise Level
72 dB(A)
76 dB(A)
Noise Level
72 dB(A)
76 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2 × 12 V V
12 V
Battery
2 × 12 V V
12 V
Alternator Output
100 A
85 A
Alternator Output
100 A
85 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 323D3
Pros
- High Performance & Productivity
- Large bucket capacity (≈1.20 m³)
- Fuel Efficiency
JCB 55Z
Pros
- 48 hp (35.7 kW), Stage‑compliant engine with ~143 Nm torque helps keep jobs moving.
- Excellent for working close to walls/obstacles in confined sites without damaging structures.
- 3.8 m digging depth and ~6.1 m reach offers versatility across trenching and site prep
