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CAT 321 VS JCB 380LC QM Comparison
CAT 321
₹ 54 L - 55 L
VS
JCB 380LC QM
₹ 57 L - 60 L
CAT 321
₹54L
JCB 380LC QM
₹57L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
JCB 380LC QM
From ₹ 57 Lakh
Engine
Model
Cat® C3.6
JCB DieselMax 7.2 L CRDI, Turbocharged, Intercooled
Model
Cat® C3.6
JCB DieselMax 7.2 L CRDI, Turbocharged, Intercooled
Gross Power
100 kw
212 kw
Gross Power
100 kw
212 kw
Net Power
129 kw
212 kw
Net Power
129 kw
212 kw
Engine Power
136 HP
284 HP
Engine Power
136 HP
284 HP
Engine Displacement
3600 cc
7200 cc
Engine Displacement
3600 cc
7200 cc
Number Of Cylinders
4 Nos
6 Nos
Number Of Cylinders
4 Nos
6 Nos
Rated RPM
2000 rpm
2000 rpm
Rated RPM
2000 rpm
2000 rpm
Emission Standard
BS IV
BS VI
Emission Standard
BS IV
BS VI
Max Torque
500 Nm
1150 Nm
Max Torque
500 Nm
1150 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
36770 kg
Operating Weight
19300 kg
36770 kg
Machine Weight
19300 kg
36770 kg
Machine Weight
19300 kg
36770 kg
Counter Weight
3650 kg
7652 kg
Counter Weight
3650 kg
7652 kg
Ground Pressure
60 kg
78 kg
Ground Pressure
60 kg
78 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Twin variable displacement axial piston type
Main Pump Type
Electro‑hydraulic main control valve system
Twin variable displacement axial piston type
Maximum Hydraulic Flow
315 L/min
304 L/min
Maximum Hydraulic Flow
315 L/min
304 L/min
Maximum System Pressure
350 bar
348 bar
Maximum System Pressure
350 bar
348 bar
Hydraulic Oil Capacity
218 litres
430 litres
Hydraulic Oil Capacity
218 litres
430 litres
Auxiliary Hydraulic Flow
120 L/min
241 L/min
Auxiliary Hydraulic Flow
120 L/min
241 L/min
Working Range
Max Digging Depth
5970 mm
6726 mm
Max Digging Depth
5970 mm
6726 mm
Max Vertical Wall Digging Depth
5360 mm
6200 mm
Max Vertical Wall Digging Depth
5360 mm
6200 mm
Max Reach at Ground Level
9150 mm
10866 mm
Max Reach at Ground Level
9150 mm
10866 mm
Max Dumping Height
6250 mm
6898 mm
Max Dumping Height
6250 mm
6898 mm
Max Cutting Height
9120 mm
5241 mm
Max Cutting Height
9120 mm
5241 mm
Boom Length
5.700 m
6.450 m
Boom Length
5.700 m
6.450 m
Arm Length
2250 mm
2630 mm
Arm Length
2250 mm
2630 mm
Bucket Breakout Force
135 kN
245 kN
Bucket Breakout Force
135 kN
245 kN
Arm Tear-out Force
119 kN
201 kN
Arm Tear-out Force
119 kN
201 kN
Capacities
Fuel Tank Capacity
370 litres
590 litres
Fuel Tank Capacity
370 litres
590 litres
Hydraulic Tank Capacity
218 litres
239 litres
Hydraulic Tank Capacity
218 litres
239 litres
Cooling System Capacity
25 litres
67 litres
Cooling System Capacity
25 litres
67 litres
Engine Oil Capacity
11 litres
45 litres
Engine Oil Capacity
11 litres
45 litres
Swing Drive Oil Capacity
6 litres
25 litres
Swing Drive Oil Capacity
6 litres
25 litres
Final Drive Gear Oil Capacity
6 litres
16 litres
Final Drive Gear Oil Capacity
6 litres
16 litres
Under Carriage
Track Shoe Width
800 mm
600 mm
Track Shoe Width
800 mm
600 mm
Track Gauge
2380 mm
2600 mm
Track Gauge
2380 mm
2600 mm
Track Length on Ground
3650 mm
3712 mm
Track Length on Ground
3650 mm
3712 mm
Ground Clearance
450 mm
530 mm
Ground Clearance
450 mm
530 mm
Tail Swing Radius
1676 mm
3571 mm
Tail Swing Radius
1676 mm
3571 mm
Undercarriage Type
Crawler — steel tracks
Heavy‑duty sealed & lubricated undercarriage with reinforced components
Undercarriage Type
Crawler — steel tracks
Heavy‑duty sealed & lubricated undercarriage with reinforced components
Steering & Brakes
Overall Length
9570 mm
11353 mm
Overall Length
9570 mm
11353 mm
Overall Width
2800 mm
3571 mm
Overall Width
2800 mm
3571 mm
Overall Height
3250 mm
3510 mm
Overall Height
3250 mm
3510 mm
Cab Height
3250 mm
3202 mm
Cab Height
3250 mm
3202 mm
Boom Height
3.300 m
3.510 m
Boom Height
3.300 m
3.510 m
Track Width
600 mm
600 mm
Track Width
600 mm
600 mm
Performances
Travel Speed
10 km/h
5.3 km/h
Travel Speed
10 km/h
5.3 km/h
Swing Speed
10 rpm
8.9 rpm
Swing Speed
10 rpm
8.9 rpm
Gradeability
27 %
70 %
Gradeability
27 %
70 %
Drawbar Pull
150 kN
287 kN
Drawbar Pull
150 kN
287 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
1.4 Cu.m
Bucket Capacity
1 Cu.m
1.4 Cu.m
Bucket Options
0.8
1.4 - 1.8
Bucket Options
0.8
1.4 - 1.8
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, ripper, grapples (typical)
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, ripper, grapples (typical)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
Multi-info digital display
Display Type
8 LCD Touch Screen
Multi-info digital display
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Adjustable suspension seat
Seat Type
Suspension Seat
Adjustable suspension 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
24 V
Battery
2X12 V
24 V
Alternator Output
100 A
55 A
Alternator Output
100 A
55 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 380LC QM
Pros
- Powerful engine & torque: 284 hp class power (212 kW) for tough applications like quarrying and stone cutting.
- Heavy-duty design: Built for quarry work with reinforced boom/arm and robust undercarriage.
- Large bucket capacity: ~1.4 – 1.8 m³ buckets for high productivity in earth/rock handling.
