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JCB NXT 145 QUARRY MASTER VS JCB 50Z Comparison

JCB NXT 145 QUARRY MASTER

JCB NXT 145 QUARRY MASTER

₹ 48 L - 49 L

JCB 50Z

JCB 50Z

₹ 35 L - 41 L

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JCB NXT 145 QUARRY MASTER

JCB NXT 145 QUARRY MASTER

48L

JCB 50Z

JCB 50Z

35L

Engine

Model
Cummins 4BT 3.9C (Diesel)
Stage 3A 404D‑22 diesel
Gross Power
75 kw
35.7 kw
Net Power
75 kw
33.1 kw
Engine Power
100 HP
48 HP
Engine Displacement
3900 cc
2179 cc
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2600 rpm
Emission Standard
BS IV
BS III
Max Torque
660 Nm
143 Nm
Fuel Type
Diesel
Diesel

Operating Weight

Operating Weight
14500 kg
4946 kg
Machine Weight
14500 kg
4946 kg
Counter Weight
3200 kg
459 kg
Ground Pressure
50.9 kg
29.4 kg

Hydraulic System

Main Pump Type
variable displacement axial piston pumps
Piston pump
Maximum Hydraulic Flow
240 L/min
126 L/min
Maximum System Pressure
330 bar
240 bar
Hydraulic Oil Capacity
173 litres
100 litres
Auxiliary Hydraulic Flow
20 L/min
50 L/min

Working Range

Max Digging Depth
5210 mm
3650 mm
Max Vertical Wall Digging Depth
4640 mm
5915 mm
Max Reach at Ground Level
7890 mm
5850 mm
Max Dumping Height
6370 mm
4000 mm
Max Cutting Height
8890 mm
3200 mm
Boom Length
4.700 m
2.700 m
Arm Length
2100 mm
1450 mm
Bucket Breakout Force
92.5 kN
22 kN
Arm Tear-out Force
74.2 kN
38 kN

Capacities

Fuel Tank Capacity
253 litres
76 litres
Hydraulic Tank Capacity
73 litres
55 litres
Cooling System Capacity
21.2 litres
12 litres
Engine Oil Capacity
13.5 litres
9 litres
Swing Drive Oil Capacity
3.2 litres
6 litres
Final Drive Gear Oil Capacity
6 litres
12 litres

Under Carriage

Track Shoe Width
500 mm
400 mm
Track Gauge
1990 mm
1550 mm
Track Length on Ground
2780 mm
1985 mm
Ground Clearance
460 mm
300 mm
Tail Swing Radius
2150 mm
975 mm
Undercarriage Type
Steel crawler tracks
Steel crawler undercarriage (compact tracked)

Steering & Brakes

Overall Length
7630 mm
5850 mm
Overall Width
2490 mm
2990 mm
Overall Height
2980 mm
5438 mm
Cab Height
2980 mm
2145 mm
Boom Height
2.980 m
2.423 m
Track Width
500 mm
400 mm

Performances

Travel Speed
3.6 km/h
4.6 km/h
Swing Speed
13.6 rpm
11 rpm
Gradeability
70 %
35 %
Drawbar Pull
104.1 kN
35.7 kN

Bucket And Attachments

Bucket Capacity
0.72 Cu.m
0.22 Cu.m
Bucket Options
0.63 to 0.72
0.14 - 0.22
Attachment Compatibility
Breaker, auger, grapple, etc (standard on NXT platforms)
Standard mini excavator attachments

Cabin And Controls

Cabin AC
Yes
Yes
Display Type
Digital colour display with health data & menu
Intelligent display with dial throttle
Joystick Controls
Yes
Yes
Seat Type
Adjustable sprung seat
Adjustable suspension seat
Noise Level
76 dB(A)
75 dB(A)
Safety Features
-
-

Electrical System

Battery
2x12 V
12 V
Alternator Output
80 A
85 A
Lighting Type
LED
LED

Additional Features

Auto Idle
Yes
Yes
Eco Mode
Yes
Yes
Telematics
Yes
Yes
Diagnostic System
Yes
Yes

JCB NXT 145 QUARRY MASTER

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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 50Z

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Pros

  • Compact & zero tail swing — Excellent for narrow/urban sites, reduces risk of clipping obstacles.
  • Strong digging & reach for class — ~5.8 m reach and ~3.5 m depth give versatility for small to medium jobs.
  • Comfort & convenience features — Optional AC cabin, adjustable suspension seat, intelligent display, auto idle & one‑touch idle, and LiveLink telematics.