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JCB NXT 145 QUARRY MASTER VS JCB JS81 Comparison
JCB NXT 145 QUARRY MASTER
₹ 48 L - 49 L
VS
JCB JS81
₹ 34 L - 35 L
JCB NXT 145 QUARRY MASTER
₹48L
JCB JS81
₹34L
Compare excavators helps you make an informed purchase decision.
JCB NXT 145 QUARRY MASTER
From ₹ 48 Lakh
JCB JS81
From ₹ 34 Lakh
Engine
Model
Cummins 4BT 3.9C (Diesel)
Kirloskar 4R 1040 NA
Model
Cummins 4BT 3.9C (Diesel)
Kirloskar 4R 1040 NA
Gross Power
75 kw
57 kw
Gross Power
75 kw
57 kw
Net Power
75 kw
57 kw
Net Power
75 kw
57 kw
Engine Power
100 HP
76 HP
Engine Power
100 HP
76 HP
Engine Displacement
3900 cc
3000 cc
Engine Displacement
3900 cc
3000 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2200 rpm
Rated RPM
2000 rpm
2200 rpm
Emission Standard
BS IV
BS IV
Emission Standard
BS IV
BS IV
Max Torque
660 Nm
890 Nm
Max Torque
660 Nm
890 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
14500 kg
8050 kg
Operating Weight
14500 kg
8050 kg
Machine Weight
14500 kg
8050 kg
Machine Weight
14500 kg
8050 kg
Counter Weight
3200 kg
1873 kg
Counter Weight
3200 kg
1873 kg
Ground Pressure
50.9 kg
35 kg
Ground Pressure
50.9 kg
35 kg
Hydraulic System
Main Pump Type
variable displacement axial piston pumps
Variable displacement axial piston type
Main Pump Type
variable displacement axial piston pumps
Variable displacement axial piston type
Maximum Hydraulic Flow
240 L/min
140.6 L/min
Maximum Hydraulic Flow
240 L/min
140.6 L/min
Maximum System Pressure
330 bar
284 bar
Maximum System Pressure
330 bar
284 bar
Hydraulic Oil Capacity
173 litres
92 litres
Hydraulic Oil Capacity
173 litres
92 litres
Auxiliary Hydraulic Flow
20 L/min
80 L/min
Auxiliary Hydraulic Flow
20 L/min
80 L/min
Working Range
Max Digging Depth
5210 mm
4080 mm
Max Digging Depth
5210 mm
4080 mm
Max Vertical Wall Digging Depth
4640 mm
4211 mm
Max Vertical Wall Digging Depth
4640 mm
4211 mm
Max Reach at Ground Level
7890 mm
6454 mm
Max Reach at Ground Level
7890 mm
6454 mm
Max Dumping Height
6370 mm
5401 mm
Max Dumping Height
6370 mm
5401 mm
Max Cutting Height
8890 mm
7094 mm
Max Cutting Height
8890 mm
7094 mm
Boom Length
4.700 m
3.7 m
Boom Length
4.700 m
3.7 m
Arm Length
2100 mm
1740 mm
Arm Length
2100 mm
1740 mm
Bucket Breakout Force
92.5 kN
56 kN
Bucket Breakout Force
92.5 kN
56 kN
Arm Tear-out Force
74.2 kN
41 kN
Arm Tear-out Force
74.2 kN
41 kN
Capacities
Fuel Tank Capacity
253 litres
164 litres
Fuel Tank Capacity
253 litres
164 litres
Hydraulic Tank Capacity
73 litres
55 litres
Hydraulic Tank Capacity
73 litres
55 litres
Cooling System Capacity
21.2 litres
23 litres
Cooling System Capacity
21.2 litres
23 litres
Engine Oil Capacity
13.5 litres
14 litres
Engine Oil Capacity
13.5 litres
14 litres
Swing Drive Oil Capacity
3.2 litres
7 litres
Swing Drive Oil Capacity
3.2 litres
7 litres
Final Drive Gear Oil Capacity
6 litres
5 litres
Final Drive Gear Oil Capacity
6 litres
5 litres
Under Carriage
Track Shoe Width
500 mm
450 mm
Track Shoe Width
500 mm
450 mm
Track Gauge
1990 mm
1700 mm
Track Gauge
1990 mm
1700 mm
Track Length on Ground
2780 mm
2240 mm
Track Length on Ground
2780 mm
2240 mm
Ground Clearance
460 mm
365 mm
Ground Clearance
460 mm
365 mm
Tail Swing Radius
2150 mm
1840 mm
Tail Swing Radius
2150 mm
1840 mm
Undercarriage Type
Steel crawler tracks
Welded crawler undercarriage with sealed/greased track chains and grease‑adjusted tensioning system
Undercarriage Type
Steel crawler tracks
Welded crawler undercarriage with sealed/greased track chains and grease‑adjusted tensioning system
Steering & Brakes
Overall Length
7630 mm
6230 mm
Overall Length
7630 mm
6230 mm
Overall Width
2490 mm
2220 mm
Overall Width
2490 mm
2220 mm
Overall Height
2980 mm
2722 mm
Overall Height
2980 mm
2722 mm
Cab Height
2980 mm
2720 mm
Cab Height
2980 mm
2720 mm
Boom Height
2.980 m
3.5 m
Boom Height
2.980 m
3.5 m
Track Width
500 mm
450 mm
Track Width
500 mm
450 mm
Performances
Travel Speed
3.6 km/h
5.1 km/h
Travel Speed
3.6 km/h
5.1 km/h
Swing Speed
13.6 rpm
12.5 rpm
Swing Speed
13.6 rpm
12.5 rpm
Gradeability
70 %
60 %
Gradeability
70 %
60 %
Drawbar Pull
104.1 kN
55 kN
Drawbar Pull
104.1 kN
55 kN
Bucket And Attachments
Bucket Capacity
0.72 Cu.m
0.32 Cu.m
Bucket Capacity
0.72 Cu.m
0.32 Cu.m
Bucket Options
0.63 to 0.72
0.24 - 0.32
Bucket Options
0.63 to 0.72
0.24 - 0.32
Attachment Compatibility
Breaker, auger, grapple, etc (standard on NXT platforms)
Standard auxiliary circuits
Attachment Compatibility
Breaker, auger, grapple, etc (standard on NXT platforms)
Standard auxiliary circuits
Cabin And Controls
Cabin AC
Yes
No
Cabin AC
Yes
No
Display Type
Digital colour display with health data & menu
LCD Monitor
Display Type
Digital colour display with health data & menu
LCD Monitor
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable sprung seat
Suspension Seat
Seat Type
Adjustable sprung seat
Suspension Seat
Noise Level
76 dB(A)
75 dB(A)
Noise Level
76 dB(A)
75 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 JS81
Pros
- Capable of ~7.1 m digging height and ~6.4 m reach — good for site work, trenches, and moderate depth excavation.
- Powered by ~76 HP Kirloskar engine with robust bucket/dipper tear‑out forces, delivering decent performance vs competitors.
- JCB has extensive dealer/service coverage in India, making parts and support easier compared to some smaller brands.
