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CAT 320C VS Tata Hitachi Zaxis 33 U Comparison
CAT 320C
₹ 15 L - 17 L
VS
Tata Hitachi Zaxis 33 U
₹ 27 L - 29 L
CAT 320C
₹15L
Tata Hitachi Zaxis 33 U
₹27L
Compare excavators helps you make an informed purchase decision.
CAT 320C
From ₹ 15 Lakh
Tata Hitachi Zaxis 33 U
From ₹ 27 Lakh
Engine
Model
Cat 3066 T
Yanmar EDM‑3TNV88
Model
Cat 3066 T
Yanmar EDM‑3TNV88
Gross Power
107 kw
21.1 kw
Gross Power
107 kw
21.1 kw
Net Power
103 kw
21 kw
Net Power
103 kw
21 kw
Engine Power
138 HP
28.8 HP
Engine Power
138 HP
28.8 HP
Engine Displacement
6.37 cc
1642 cc
Engine Displacement
6.37 cc
1642 cc
Number Of Cylinders
6 Nos
3 Nos
Number Of Cylinders
6 Nos
3 Nos
Rated RPM
1,800 rpm
2200 rpm
Rated RPM
1,800 rpm
2200 rpm
Emission Standard
US EPA Tier 2 / EU Stage II
BS II
Emission Standard
US EPA Tier 2 / EU Stage II
BS II
Max Torque
800 Nm
105.5 Nm
Max Torque
800 Nm
105.5 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19700 kg
3650 kg
Operating Weight
19700 kg
3650 kg
Machine Weight
20,870 kg
3650 kg
Machine Weight
20,870 kg
3650 kg
Counter Weight
4,120 kg
540 kg
Counter Weight
4,120 kg
540 kg
Ground Pressure
63 kg
35 kg
Ground Pressure
63 kg
35 kg
Hydraulic System
Main Pump Type
Dual piston pumps (load sensing)
variable displacement axial piston pumps
Main Pump Type
Dual piston pumps (load sensing)
variable displacement axial piston pumps
Maximum Hydraulic Flow
205 L/min
77 L/min
Maximum Hydraulic Flow
205 L/min
77 L/min
Maximum System Pressure
343 bar
245 bar
Maximum System Pressure
343 bar
245 bar
Hydraulic Oil Capacity
240 litres
56 litres
Hydraulic Oil Capacity
240 litres
56 litres
Auxiliary Hydraulic Flow
41 L/min
50 L/min
Auxiliary Hydraulic Flow
41 L/min
50 L/min
Working Range
Max Digging Depth
6620 mm
2790 mm
Max Digging Depth
6620 mm
2790 mm
Max Vertical Wall Digging Depth
6200 mm
2330 mm
Max Vertical Wall Digging Depth
6200 mm
2330 mm
Max Reach at Ground Level
8390 mm
4750 mm
Max Reach at Ground Level
8390 mm
4750 mm
Max Dumping Height
7000 mm
3310 mm
Max Dumping Height
7000 mm
3310 mm
Max Cutting Height
8580 mm
4420 mm
Max Cutting Height
8580 mm
4420 mm
Boom Length
5.700 m
2.100 m
Boom Length
5.700 m
2.100 m
Arm Length
2900 mm
1170 mm
Arm Length
2900 mm
1170 mm
Bucket Breakout Force
152 kN
27.2 kN
Bucket Breakout Force
152 kN
27.2 kN
Arm Tear-out Force
146 kN
14.6 kN
Arm Tear-out Force
146 kN
14.6 kN
Capacities
Fuel Tank Capacity
320 litres
42 litres
Fuel Tank Capacity
320 litres
42 litres
Hydraulic Tank Capacity
120 litres
32 litres
Hydraulic Tank Capacity
120 litres
32 litres
Cooling System Capacity
120 litres
7.2 litres
Cooling System Capacity
120 litres
7.2 litres
Engine Oil Capacity
15 litres
7.2 litres
Engine Oil Capacity
15 litres
7.2 litres
Swing Drive Oil Capacity
12 litres
1.3 litres
Swing Drive Oil Capacity
12 litres
1.3 litres
Final Drive Gear Oil Capacity
5 litres
1.1 litres
Final Drive Gear Oil Capacity
5 litres
1.1 litres
Under Carriage
Track Shoe Width
600 mm
300 mm
Track Shoe Width
600 mm
300 mm
Track Gauge
2200 mm
1250 mm
Track Gauge
2200 mm
1250 mm
Track Length on Ground
3620 mm
1670 mm
Track Length on Ground
3620 mm
1670 mm
Ground Clearance
470 mm
280 mm
Ground Clearance
470 mm
280 mm
Tail Swing Radius
2 770 mm
2090 mm
Tail Swing Radius
2 770 mm
2090 mm
Undercarriage Type
Tracked undercarriage (steel track shoes with rollers and grease tensioning) – standard crawler system for medium excavators.
Tracked crawler undercarriage (steel tracks with grease tension)
Undercarriage Type
Tracked undercarriage (steel track shoes with rollers and grease tensioning) – standard crawler system for medium excavators.
Tracked crawler undercarriage (steel tracks with grease tension)
Steering & Brakes
Overall Length
9390 mm
4450 mm
Overall Length
9390 mm
4450 mm
Overall Width
2800 mm
1550 mm
Overall Width
2800 mm
1550 mm
Overall Height
3050 mm
2470 mm
Overall Height
3050 mm
2470 mm
Cab Height
600 mm
2470 mm
Cab Height
600 mm
2470 mm
Boom Height
3.500 m
1.510 m
Boom Height
3.500 m
1.510 m
Track Width
460 mm
300 mm
Track Width
460 mm
300 mm
Performances
Travel Speed
3.5 km/h
4.3 km/h
Travel Speed
3.5 km/h
4.3 km/h
Swing Speed
11.5 rpm
9.1 rpm
Swing Speed
11.5 rpm
9.1 rpm
Gradeability
70 %
58 %
Gradeability
70 %
58 %
Drawbar Pull
196 kN
26 kN
Drawbar Pull
196 kN
26 kN
Bucket And Attachments
Bucket Capacity
0.6 Cu.m
0.09 Cu.m
Bucket Capacity
0.6 Cu.m
0.09 Cu.m
Bucket Options
GP, HD, trenching buckets
0.04 - 0.09
Bucket Options
GP, HD, trenching buckets
0.04 - 0.09
Attachment Compatibility
Hydraulic hammer, grapple, ripper, auger
Auger, hydraulic breaker, grappler, quick coupler
Attachment Compatibility
Hydraulic hammer, grapple, ripper, auger
Auger, hydraulic breaker, grappler, quick coupler
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
Operator instrument panel
LCD monitor for engine and hydraulics
Display Type
Operator instrument panel
LCD monitor for engine and hydraulics
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension seat
Adjustable suspension seat
Seat Type
Suspension seat
Adjustable suspension seat
Noise Level
74 dB(A)
97 dB(A)
Noise Level
74 dB(A)
97 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
24 V (2×12 V) V
12 V
Battery
24 V (2×12 V) V
12 V
Alternator Output
50 A
40 A
Alternator Output
50 A
40 A
Lighting Type
LED
Halogen
Lighting Type
LED
Halogen
Additional Features
Auto Idle
Yes
Yes
Auto Idle
Yes
Yes
Eco Mode
Yes
Yes
Eco Mode
Yes
Yes
Telematics
Yes
Yes
Telematics
Yes
Yes
Diagnostic System
Yes
Yes
Diagnostic System
Yes
Yes
CAT 320C
Pros
- Smooth & Powerful Performance
- Reliable & Durable
- Comfortable Operator Environment
Tata Hitachi Zaxis 33 U
Pros
- Zero‑tail swing design — ideal for tight/urban work spaces.
- Efficient small‑diesel engine with good torque for its class (~28–29 hp).
- Multiple boom/arm options for deeper reach or higher cutting height.
