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CAT 321 VS HYUNDAI Robex 140LC-9V Comparison
CAT 321
₹ 54 L - 55 L
VS
HYUNDAI Robex 140LC-9V
₹ 48 L - 50 L
CAT 321
₹54L
HYUNDAI Robex 140LC-9V
₹48L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
HYUNDAI Robex 140LC-9V
From ₹ 48 Lakh
Engine
Model
Cat® C3.6
Kirloskar 4R1040T
Model
Cat® C3.6
Kirloskar 4R1040T
Gross Power
100 kw
78 kw
Gross Power
100 kw
78 kw
Net Power
129 kw
78 kw
Net Power
129 kw
78 kw
Engine Power
136 HP
105 HP
Engine Power
136 HP
105 HP
Engine Displacement
3600 cc
4700 cc
Engine Displacement
3600 cc
4700 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
500 Nm
350 Nm
Max Torque
500 Nm
350 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
13300 kg
Operating Weight
19300 kg
13300 kg
Machine Weight
19300 kg
13300 kg
Machine Weight
19300 kg
13300 kg
Counter Weight
3650 kg
4200 kg
Counter Weight
3650 kg
4200 kg
Ground Pressure
60 kg
48 kg
Ground Pressure
60 kg
48 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Variable displacement axial piston pumps (common in Hyundai series)
Main Pump Type
Electro‑hydraulic main control valve system
Variable displacement axial piston pumps (common in Hyundai series)
Maximum Hydraulic Flow
315 L/min
112 L/min
Maximum Hydraulic Flow
315 L/min
112 L/min
Maximum System Pressure
350 bar
350 bar
Maximum System Pressure
350 bar
350 bar
Hydraulic Oil Capacity
218 litres
210 litres
Hydraulic Oil Capacity
218 litres
210 litres
Auxiliary Hydraulic Flow
120 L/min
124 L/min
Auxiliary Hydraulic Flow
120 L/min
124 L/min
Working Range
Max Digging Depth
5970 mm
5500 mm
Max Digging Depth
5970 mm
5500 mm
Max Vertical Wall Digging Depth
5360 mm
6400 mm
Max Vertical Wall Digging Depth
5360 mm
6400 mm
Max Reach at Ground Level
9150 mm
9800 mm
Max Reach at Ground Level
9150 mm
9800 mm
Max Dumping Height
6250 mm
7000 mm
Max Dumping Height
6250 mm
7000 mm
Max Cutting Height
9120 mm
9800 mm
Max Cutting Height
9120 mm
9800 mm
Boom Length
5.700 m
5.600 m
Boom Length
5.700 m
5.600 m
Arm Length
2250 mm
2900 mm
Arm Length
2250 mm
2900 mm
Bucket Breakout Force
135 kN
155 kN
Bucket Breakout Force
135 kN
155 kN
Arm Tear-out Force
119 kN
103 kN
Arm Tear-out Force
119 kN
103 kN
Capacities
Fuel Tank Capacity
370 litres
270 litres
Fuel Tank Capacity
370 litres
270 litres
Hydraulic Tank Capacity
218 litres
124 litres
Hydraulic Tank Capacity
218 litres
124 litres
Cooling System Capacity
25 litres
15.5 litres
Cooling System Capacity
25 litres
15.5 litres
Engine Oil Capacity
11 litres
11 litres
Engine Oil Capacity
11 litres
11 litres
Swing Drive Oil Capacity
6 litres
7 litres
Swing Drive Oil Capacity
6 litres
7 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
600 mm
Track Shoe Width
800 mm
600 mm
Track Gauge
2380 mm
2000 mm
Track Gauge
2380 mm
2000 mm
Track Length on Ground
3650 mm
3750 mm
Track Length on Ground
3650 mm
3750 mm
Ground Clearance
450 mm
440 mm
Ground Clearance
450 mm
440 mm
Tail Swing Radius
1676 mm
2330 mm
Tail Swing Radius
1676 mm
2330 mm
Undercarriage Type
Crawler — steel tracks
Tracked undercarriage with standard steel triple‑grouser track shoes and hydraulically‑assisted/grease‑tensioned adjustment – typical crawler configuration for medium excavators.
Undercarriage Type
Crawler — steel tracks
Tracked undercarriage with standard steel triple‑grouser track shoes and hydraulically‑assisted/grease‑tensioned adjustment – typical crawler configuration for medium excavators.
Steering & Brakes
Overall Length
9570 mm
7,850 mm
Overall Length
9570 mm
7,850 mm
Overall Width
2800 mm
2900 mm
Overall Width
2800 mm
2900 mm
Overall Height
3250 mm
3050 mm
Overall Height
3250 mm
3050 mm
Cab Height
3250 mm
3200 mm
Cab Height
3250 mm
3200 mm
Boom Height
3.300 m
3.500 m
Boom Height
3.300 m
3.500 m
Track Width
600 mm
600 mm
Track Width
600 mm
600 mm
Performances
Travel Speed
10 km/h
5.2 km/h
Travel Speed
10 km/h
5.2 km/h
Swing Speed
10 rpm
11 rpm
Swing Speed
10 rpm
11 rpm
Gradeability
27 %
70 %
Gradeability
27 %
70 %
Drawbar Pull
150 kN
200 kN
Drawbar Pull
150 kN
200 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
Standard construction buckets (varies by application and region)
Bucket Options
0.8
Standard construction buckets (varies by application and region)
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Auxiliary hydraulic for breakers/augers
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Auxiliary hydraulic for breakers/augers
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
Basic digital monitor (model dependent)
Display Type
8 LCD Touch Screen
Basic digital monitor (model dependent)
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Adjustable operator seat
Seat Type
Suspension Seat
Adjustable operator seat
Noise Level
70 dB(A)
72 dB(A)
Noise Level
70 dB(A)
72 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
12 V
Battery
2X12 V
12 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
HYUNDAI Robex 140LC-9V
Pros
- Strong Performance & Power
- Operator Comfort & Controls
- Built‑in Durability
