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CAT 321 VS HYUNDAI R80-7 Comparison
CAT 321
₹ 54 L - 55 L
VS
HYUNDAI R80-7
₹ 39 L - 41 L
CAT 321
₹54L
HYUNDAI R80-7
₹39L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
HYUNDAI R80-7
From ₹ 39 Lakh
Engine
Model
Cat® C3.6
Yanmar 4TNV94L
Model
Cat® C3.6
Yanmar 4TNV94L
Gross Power
100 kw
60 kw
Gross Power
100 kw
60 kw
Net Power
129 kw
58 kw
Net Power
129 kw
58 kw
Engine Power
136 HP
170 HP
Engine Power
136 HP
170 HP
Engine Displacement
3600 cc
3,358 cc
Engine Displacement
3600 cc
3,358 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2100 rpm
Rated RPM
2000 rpm
2100 rpm
Emission Standard
BS IV
Stage III
Emission Standard
BS IV
Stage III
Max Torque
500 Nm
334 Nm
Max Torque
500 Nm
334 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
7900 kg
Operating Weight
19300 kg
7900 kg
Machine Weight
19300 kg
7900 kg
Machine Weight
19300 kg
7900 kg
Counter Weight
3650 kg
4200 kg
Counter Weight
3650 kg
4200 kg
Ground Pressure
60 kg
32 kg
Ground Pressure
60 kg
32 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Two variable displacement piston pumps + gear pump (pilot)
Main Pump Type
Electro‑hydraulic main control valve system
Two variable displacement piston pumps + gear pump (pilot)
Maximum Hydraulic Flow
315 L/min
151 L/min
Maximum Hydraulic Flow
315 L/min
151 L/min
Maximum System Pressure
350 bar
3130 bar
Maximum System Pressure
350 bar
3130 bar
Hydraulic Oil Capacity
218 litres
130 litres
Hydraulic Oil Capacity
218 litres
130 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
4150 mm
Max Digging Depth
5970 mm
4150 mm
Max Vertical Wall Digging Depth
5360 mm
3,200 mm
Max Vertical Wall Digging Depth
5360 mm
3,200 mm
Max Reach at Ground Level
9150 mm
6190 mm
Max Reach at Ground Level
9150 mm
6190 mm
Max Dumping Height
6250 mm
5170 mm
Max Dumping Height
6250 mm
5170 mm
Max Cutting Height
9120 mm
7260 mm
Max Cutting Height
9120 mm
7260 mm
Boom Length
5.700 m
5.800 m
Boom Length
5.700 m
5.800 m
Arm Length
2250 mm
2900 mm
Arm Length
2250 mm
2900 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
400 litres
Fuel Tank Capacity
370 litres
400 litres
Hydraulic Tank Capacity
218 litres
220 litres
Hydraulic Tank Capacity
218 litres
220 litres
Cooling System Capacity
25 litres
35 litres
Cooling System Capacity
25 litres
35 litres
Engine Oil Capacity
11 litres
22 litres
Engine Oil Capacity
11 litres
22 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
450 mm
Track Shoe Width
800 mm
450 mm
Track Gauge
2380 mm
1750 mm
Track Gauge
2380 mm
1750 mm
Track Length on Ground
3650 mm
2130 mm
Track Length on Ground
3650 mm
2130 mm
Ground Clearance
450 mm
360 mm
Ground Clearance
450 mm
360 mm
Tail Swing Radius
1676 mm
1750 mm
Tail Swing Radius
1676 mm
1750 mm
Undercarriage Type
Crawler — steel tracks
Tracked undercarriage with lubricated rollers, idlers, sprockets, hydraulic track adjusters with shock‑absorbing springs, and triple‑grouser track shoes – typical crawler system design.
Undercarriage Type
Crawler — steel tracks
Tracked undercarriage with lubricated rollers, idlers, sprockets, hydraulic track adjusters with shock‑absorbing springs, and triple‑grouser track shoes – typical crawler system design.
Steering & Brakes
Overall Length
9570 mm
6,325 mm
Overall Length
9570 mm
6,325 mm
Overall Width
2800 mm
2,260 mm
Overall Width
2800 mm
2,260 mm
Overall Height
3250 mm
2,640 mm
Overall Height
3250 mm
2,640 mm
Cab Height
3250 mm
3100 mm
Cab Height
3250 mm
3100 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
4.6 km/h
Travel Speed
10 km/h
4.6 km/h
Swing Speed
10 rpm
12 rpm
Swing Speed
10 rpm
12 rpm
Gradeability
27 %
30 %
Gradeability
27 %
30 %
Drawbar Pull
150 kN
52 kN
Drawbar Pull
150 kN
52 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.32 Cu.m
Bucket Capacity
1 Cu.m
0.32 Cu.m
Bucket Options
0.8
0.8
Bucket Options
0.8
0.8
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Standard quick-connect auxiliary hydraulic lines available (region dependent)
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Standard quick-connect auxiliary hydraulic lines available (region dependent)
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
Adjustable suspension seat
Seat Type
Suspension Seat
Adjustable suspension 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
24 V
Battery
2X12 V
24 V
Alternator Output
100 A
40 A
Alternator Output
100 A
40 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 R80-7
Pros
- Reliable & Balanced Performance
- Solid Build Quality & Durability
- Comfortable Operator Environment
