Compare Excavators. Choose Smarter.
JCB NXT 145 QUARRY MASTER VS JCB 55Z Comparison
JCB NXT 145 QUARRY MASTER
₹ 48 L - 49 L
VS
JCB 55Z
₹ 36 L - 39 L
JCB NXT 145 QUARRY MASTER
₹48L
JCB 55Z
₹36L
Compare excavators helps you make an informed purchase decision.
JCB NXT 145 QUARRY MASTER
From ₹ 48 Lakh
JCB 55Z
From ₹ 36 Lakh
Engine
Model
Cummins 4BT 3.9C (Diesel)
Stage 3A 404D‑22
Model
Cummins 4BT 3.9C (Diesel)
Stage 3A 404D‑22
Gross Power
75 kw
35.7 kw
Gross Power
75 kw
35.7 kw
Net Power
75 kw
33.1 kw
Net Power
75 kw
33.1 kw
Engine Power
100 HP
48 HP
Engine Power
100 HP
48 HP
Engine Displacement
3900 cc
2179 cc
Engine Displacement
3900 cc
2179 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2600 rpm
Rated RPM
2000 rpm
2600 rpm
Emission Standard
BS IV
BS III
Emission Standard
BS IV
BS III
Max Torque
660 Nm
143 Nm
Max Torque
660 Nm
143 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
14500 kg
5520 kg
Operating Weight
14500 kg
5520 kg
Machine Weight
14500 kg
5520 kg
Machine Weight
14500 kg
5520 kg
Counter Weight
3200 kg
982 kg
Counter Weight
3200 kg
982 kg
Ground Pressure
50.9 kg
34.3 kg
Ground Pressure
50.9 kg
34.3 kg
Hydraulic System
Main Pump Type
variable displacement axial piston pumps
Piston pump
Main Pump Type
variable displacement axial piston pumps
Piston pump
Maximum Hydraulic Flow
240 L/min
126 L/min
Maximum Hydraulic Flow
240 L/min
126 L/min
Maximum System Pressure
330 bar
240 bar
Maximum System Pressure
330 bar
240 bar
Hydraulic Oil Capacity
173 litres
100 litres
Hydraulic Oil Capacity
173 litres
100 litres
Auxiliary Hydraulic Flow
20 L/min
63 L/min
Auxiliary Hydraulic Flow
20 L/min
63 L/min
Working Range
Max Digging Depth
5210 mm
3840 mm
Max Digging Depth
5210 mm
3840 mm
Max Vertical Wall Digging Depth
4640 mm
3328 mm
Max Vertical Wall Digging Depth
4640 mm
3328 mm
Max Reach at Ground Level
7890 mm
6200 mm
Max Reach at Ground Level
7890 mm
6200 mm
Max Dumping Height
6370 mm
4270 mm
Max Dumping Height
6370 mm
4270 mm
Max Cutting Height
8890 mm
3728 mm
Max Cutting Height
8890 mm
3728 mm
Boom Length
4.700 m
2.866 m
Boom Length
4.700 m
2.866 m
Arm Length
2100 mm
1450 mm
Arm Length
2100 mm
1450 mm
Bucket Breakout Force
92.5 kN
45 kN
Bucket Breakout Force
92.5 kN
45 kN
Arm Tear-out Force
74.2 kN
29 kN
Arm Tear-out Force
74.2 kN
29 kN
Capacities
Fuel Tank Capacity
253 litres
76 litres
Fuel Tank Capacity
253 litres
76 litres
Hydraulic Tank Capacity
73 litres
55 litres
Hydraulic Tank Capacity
73 litres
55 litres
Cooling System Capacity
21.2 litres
12 litres
Cooling System Capacity
21.2 litres
12 litres
Engine Oil Capacity
13.5 litres
9.1 litres
Engine Oil Capacity
13.5 litres
9.1 litres
Swing Drive Oil Capacity
3.2 litres
8 litres
Swing Drive Oil Capacity
3.2 litres
8 litres
Final Drive Gear Oil Capacity
6 litres
12 litres
Final Drive Gear Oil Capacity
6 litres
12 litres
Under Carriage
Track Shoe Width
500 mm
400 mm
Track Shoe Width
500 mm
400 mm
Track Gauge
1990 mm
1550 mm
Track Gauge
1990 mm
1550 mm
Track Length on Ground
2780 mm
1950 mm
Track Length on Ground
2780 mm
1950 mm
Ground Clearance
460 mm
300 mm
Ground Clearance
460 mm
300 mm
Tail Swing Radius
2150 mm
975 mm
Tail Swing Radius
2150 mm
975 mm
Undercarriage Type
Steel crawler tracks
Rubber/Steel tracked mini‑excavator undercarriage
Undercarriage Type
Steel crawler tracks
Rubber/Steel tracked mini‑excavator undercarriage
Steering & Brakes
Overall Length
7630 mm
5520 mm
Overall Length
7630 mm
5520 mm
Overall Width
2490 mm
1960 mm
Overall Width
2490 mm
1960 mm
Overall Height
2980 mm
2551 mm
Overall Height
2980 mm
2551 mm
Cab Height
2980 mm
2551 mm
Cab Height
2980 mm
2551 mm
Boom Height
2.980 m
2.208 m
Boom Height
2.980 m
2.208 m
Track Width
500 mm
400 mm
Track Width
500 mm
400 mm
Performances
Travel Speed
3.6 km/h
4.6 km/h
Travel Speed
3.6 km/h
4.6 km/h
Swing Speed
13.6 rpm
11 rpm
Swing Speed
13.6 rpm
11 rpm
Gradeability
70 %
35 %
Gradeability
70 %
35 %
Drawbar Pull
104.1 kN
38.1 kN
Drawbar Pull
104.1 kN
38.1 kN
Bucket And Attachments
Bucket Capacity
0.72 Cu.m
0.22 Cu.m
Bucket Capacity
0.72 Cu.m
0.22 Cu.m
Bucket Options
0.63 to 0.72
0.14 - 0.22
Bucket Options
0.63 to 0.72
0.14 - 0.22
Attachment Compatibility
Breaker, auger, grapple, etc (standard on NXT platforms)
Breakers, augers, quick couplers (optional)
Attachment Compatibility
Breaker, auger, grapple, etc (standard on NXT platforms)
Breakers, augers, quick couplers (optional)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
Digital colour display with health data & menu
Standard machine display
Display Type
Digital colour display with health data & menu
Standard machine display
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable sprung seat
Adjustable suspension seat
Seat Type
Adjustable sprung seat
Adjustable suspension seat
Noise Level
76 dB(A)
76 dB(A)
Noise Level
76 dB(A)
76 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2x12 V
12 V
Battery
2x12 V
12 V
Alternator Output
80 A
85 A
Alternator Output
80 A
85 A
Lighting Type
LED
LED
Lighting Type
LED
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
JCB NXT 145 QUARRY MASTER
Pros
- Heavy‑duty boom & reinforced structure designed for quarry and mining conditions
- Boom/arm regenerative system improves hydraulic speed and lowers fuel use.
- IP67/IP69 electrical connectors, laminated cabin glass, advanced safety features.
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
