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CAT 321 VS JCB NXT 145 QUARRY MASTER Comparison
CAT 321
₹ 54 L - 55 L
VS
JCB NXT 145 QUARRY MASTER
₹ 48 L - 49 L
CAT 321
₹54L
JCB NXT 145 QUARRY MASTER
₹48L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
JCB NXT 145 QUARRY MASTER
From ₹ 48 Lakh
Engine
Model
Cat® C3.6
Cummins 4BT 3.9C (Diesel)
Model
Cat® C3.6
Cummins 4BT 3.9C (Diesel)
Gross Power
100 kw
75 kw
Gross Power
100 kw
75 kw
Net Power
129 kw
75 kw
Net Power
129 kw
75 kw
Engine Power
136 HP
100 HP
Engine Power
136 HP
100 HP
Engine Displacement
3600 cc
3900 cc
Engine Displacement
3600 cc
3900 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2000 rpm
Rated RPM
2000 rpm
2000 rpm
Emission Standard
BS IV
BS IV
Emission Standard
BS IV
BS IV
Max Torque
500 Nm
660 Nm
Max Torque
500 Nm
660 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
14500 kg
Operating Weight
19300 kg
14500 kg
Machine Weight
19300 kg
14500 kg
Machine Weight
19300 kg
14500 kg
Counter Weight
3650 kg
3200 kg
Counter Weight
3650 kg
3200 kg
Ground Pressure
60 kg
50.9 kg
Ground Pressure
60 kg
50.9 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
variable displacement axial piston pumps
Main Pump Type
Electro‑hydraulic main control valve system
variable displacement axial piston pumps
Maximum Hydraulic Flow
315 L/min
240 L/min
Maximum Hydraulic Flow
315 L/min
240 L/min
Maximum System Pressure
350 bar
330 bar
Maximum System Pressure
350 bar
330 bar
Hydraulic Oil Capacity
218 litres
173 litres
Hydraulic Oil Capacity
218 litres
173 litres
Auxiliary Hydraulic Flow
120 L/min
20 L/min
Auxiliary Hydraulic Flow
120 L/min
20 L/min
Working Range
Max Digging Depth
5970 mm
5210 mm
Max Digging Depth
5970 mm
5210 mm
Max Vertical Wall Digging Depth
5360 mm
4640 mm
Max Vertical Wall Digging Depth
5360 mm
4640 mm
Max Reach at Ground Level
9150 mm
7890 mm
Max Reach at Ground Level
9150 mm
7890 mm
Max Dumping Height
6250 mm
6370 mm
Max Dumping Height
6250 mm
6370 mm
Max Cutting Height
9120 mm
8890 mm
Max Cutting Height
9120 mm
8890 mm
Boom Length
5.700 m
4.700 m
Boom Length
5.700 m
4.700 m
Arm Length
2250 mm
2100 mm
Arm Length
2250 mm
2100 mm
Bucket Breakout Force
135 kN
92.5 kN
Bucket Breakout Force
135 kN
92.5 kN
Arm Tear-out Force
119 kN
74.2 kN
Arm Tear-out Force
119 kN
74.2 kN
Capacities
Fuel Tank Capacity
370 litres
253 litres
Fuel Tank Capacity
370 litres
253 litres
Hydraulic Tank Capacity
218 litres
73 litres
Hydraulic Tank Capacity
218 litres
73 litres
Cooling System Capacity
25 litres
21.2 litres
Cooling System Capacity
25 litres
21.2 litres
Engine Oil Capacity
11 litres
13.5 litres
Engine Oil Capacity
11 litres
13.5 litres
Swing Drive Oil Capacity
6 litres
3.2 litres
Swing Drive Oil Capacity
6 litres
3.2 litres
Final Drive Gear Oil Capacity
6 litres
6 litres
Final Drive Gear Oil Capacity
6 litres
6 litres
Under Carriage
Track Shoe Width
800 mm
500 mm
Track Shoe Width
800 mm
500 mm
Track Gauge
2380 mm
1990 mm
Track Gauge
2380 mm
1990 mm
Track Length on Ground
3650 mm
2780 mm
Track Length on Ground
3650 mm
2780 mm
Ground Clearance
450 mm
460 mm
Ground Clearance
450 mm
460 mm
Tail Swing Radius
1676 mm
2150 mm
Tail Swing Radius
1676 mm
2150 mm
Undercarriage Type
Crawler — steel tracks
Steel crawler tracks
Undercarriage Type
Crawler — steel tracks
Steel crawler tracks
Steering & Brakes
Overall Length
9570 mm
7630 mm
Overall Length
9570 mm
7630 mm
Overall Width
2800 mm
2490 mm
Overall Width
2800 mm
2490 mm
Overall Height
3250 mm
2980 mm
Overall Height
3250 mm
2980 mm
Cab Height
3250 mm
2980 mm
Cab Height
3250 mm
2980 mm
Boom Height
3.300 m
2.980 m
Boom Height
3.300 m
2.980 m
Track Width
600 mm
500 mm
Track Width
600 mm
500 mm
Performances
Travel Speed
10 km/h
3.6 km/h
Travel Speed
10 km/h
3.6 km/h
Swing Speed
10 rpm
13.6 rpm
Swing Speed
10 rpm
13.6 rpm
Gradeability
27 %
70 %
Gradeability
27 %
70 %
Drawbar Pull
150 kN
104.1 kN
Drawbar Pull
150 kN
104.1 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.72 Cu.m
Bucket Capacity
1 Cu.m
0.72 Cu.m
Bucket Options
0.8
0.63 to 0.72
Bucket Options
0.8
0.63 to 0.72
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, auger, grapple, etc (standard on NXT platforms)
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, auger, grapple, etc (standard on NXT platforms)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
Digital colour display with health data & menu
Display Type
8 LCD Touch Screen
Digital colour display with health data & menu
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Adjustable sprung seat
Seat Type
Suspension Seat
Adjustable sprung seat
Noise Level
70 dB(A)
76 dB(A)
Noise Level
70 dB(A)
76 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
2x12 V
Battery
2X12 V
2x12 V
Alternator Output
100 A
80 A
Alternator Output
100 A
80 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
No
Yes
Telematics
No
Yes
Diagnostic System
Yes
Yes
Diagnostic System
Yes
Yes
CAT 321
Pros
- 136 HP Cat C3.6 engine delivers strong digging performance.
- An advanced electrohydraulic system improves cycle time.
- Eco Mode and Intelligent ECM help reduce fuel consumption
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.
