Compare Excavators. Choose Smarter.
CAT 321 VS HYUNDAI Robex 210 SMART Comparison
CAT 321
₹ 54 L - 55 L
VS
HYUNDAI Robex 210 SMART
₹ 57 L - 59 L
CAT 321
₹54L
HYUNDAI Robex 210 SMART
₹57L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
HYUNDAI Robex 210 SMART
From ₹ 57 Lakh
Engine
Model
Cat® C3.6
R 210 Smart
Model
Cat® C3.6
R 210 Smart
Gross Power
100 kw
104 kw
Gross Power
100 kw
104 kw
Net Power
129 kw
97 kw
Net Power
129 kw
97 kw
Engine Power
136 HP
140 HP
Engine Power
136 HP
140 HP
Engine Displacement
3600 cc
5880 cc
Engine Displacement
3600 cc
5880 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‑IV
Emission Standard
BS IV
BS‑IV
Max Torque
500 Nm
1600 Nm
Max Torque
500 Nm
1600 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
21200 kg
Operating Weight
19300 kg
21200 kg
Machine Weight
19300 kg
21,200 kg
Machine Weight
19300 kg
21,200 kg
Counter Weight
3650 kg
3600 kg
Counter Weight
3650 kg
3600 kg
Ground Pressure
60 kg
46 kg
Ground Pressure
60 kg
46 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Variable Displacement Axial Piston
Main Pump Type
Electro‑hydraulic main control valve system
Variable Displacement Axial Piston
Maximum Hydraulic Flow
315 L/min
430 L/min
Maximum Hydraulic Flow
315 L/min
430 L/min
Maximum System Pressure
350 bar
350 bar
Maximum System Pressure
350 bar
350 bar
Hydraulic Oil Capacity
218 litres
180 litres
Hydraulic Oil Capacity
218 litres
180 litres
Auxiliary Hydraulic Flow
120 L/min
180 L/min
Auxiliary Hydraulic Flow
120 L/min
180 L/min
Working Range
Max Digging Depth
5970 mm
6220 mm
Max Digging Depth
5970 mm
6220 mm
Max Vertical Wall Digging Depth
5360 mm
6,200 mm
Max Vertical Wall Digging Depth
5360 mm
6,200 mm
Max Reach at Ground Level
9150 mm
9,800 mm
Max Reach at Ground Level
9150 mm
9,800 mm
Max Dumping Height
6250 mm
7,000 mm
Max Dumping Height
6250 mm
7,000 mm
Max Cutting Height
9120 mm
9800 mm
Max Cutting Height
9120 mm
9800 mm
Boom Length
5.700 m
5.700 m
Boom Length
5.700 m
5.700 m
Arm Length
2250 mm
2,900 mm
Arm Length
2250 mm
2,900 mm
Bucket Breakout Force
135 kN
150 kN
Bucket Breakout Force
135 kN
150 kN
Arm Tear-out Force
119 kN
110 kN
Arm Tear-out Force
119 kN
110 kN
Capacities
Fuel Tank Capacity
370 litres
340 litres
Fuel Tank Capacity
370 litres
340 litres
Hydraulic Tank Capacity
218 litres
180 litres
Hydraulic Tank Capacity
218 litres
180 litres
Cooling System Capacity
25 litres
35 litres
Cooling System Capacity
25 litres
35 litres
Engine Oil Capacity
11 litres
15 litres
Engine Oil Capacity
11 litres
15 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
2390 mm
Track Gauge
2380 mm
2390 mm
Track Length on Ground
3650 mm
3650 mm
Track Length on Ground
3650 mm
3650 mm
Ground Clearance
450 mm
480 mm
Ground Clearance
450 mm
480 mm
Tail Swing Radius
1676 mm
2830 mm
Tail Swing Radius
1676 mm
2830 mm
Undercarriage Type
Crawler — steel tracks
Crawler – Steel Tracks
Undercarriage Type
Crawler — steel tracks
Crawler – Steel Tracks
Steering & Brakes
Overall Length
9570 mm
9,600 mm
Overall Length
9570 mm
9,600 mm
Overall Width
2800 mm
2,990 mm
Overall Width
2800 mm
2,990 mm
Overall Height
3250 mm
3,050 mm
Overall Height
3250 mm
3,050 mm
Cab Height
3250 mm
3,100 mm
Cab Height
3250 mm
3,100 mm
Boom Height
3.300 m
3.500 m
Boom Height
3.300 m
3.500 m
Track Width
600 mm
700 mm
Track Width
600 mm
700 mm
Performances
Travel Speed
10 km/h
5.5 km/h
Travel Speed
10 km/h
5.5 km/h
Swing Speed
10 rpm
11 rpm
Swing Speed
10 rpm
11 rpm
Gradeability
27 %
30 %
Gradeability
27 %
30 %
Drawbar Pull
150 kN
215 kN
Drawbar Pull
150 kN
215 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.92 Cu.m
Bucket Capacity
1 Cu.m
0.92 Cu.m
Bucket Options
0.8
0.8
Bucket Options
0.8
0.8
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Compatible with standard Hyundai excavator attachments (quick couplers, breakers, grapples, etc.)
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Compatible with standard Hyundai excavator attachments (quick couplers, breakers, grapples, etc.)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
7
Display Type
8 LCD Touch Screen
7
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
A fully adjustable suspension seat
Seat Type
Suspension Seat
A fully adjustable suspension seat
Noise Level
70 dB(A)
102 dB(A)
Noise Level
70 dB(A)
102 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
2 × 12 V × 100 V
Battery
2X12 V
2 × 12 V × 100 V
Alternator Output
100 A
24 A
Alternator Output
100 A
24 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 210 SMART
Pros
- Strong Digging & Hydraulic Performance
- Efficient Fuel Use (with Smart Features)
- Comfortable & Operator‑Friendly Cabin
