Compare Excavators. Choose Smarter.
CAT 320D3 VS Tata Hitachi Zaxis 33 U Comparison
CAT 320D3
₹ 25 L - 28 L
VS
Tata Hitachi Zaxis 33 U
₹ 27 L - 29 L
CAT 320D3
₹25L
Tata Hitachi Zaxis 33 U
₹27L
Compare excavators helps you make an informed purchase decision.
CAT 320D3
From ₹ 25 Lakh
Tata Hitachi Zaxis 33 U
From ₹ 27 Lakh
Engine
Model
Cat ALUW06DTI
Yanmar EDM‑3TNV88
Model
Cat ALUW06DTI
Yanmar EDM‑3TNV88
Gross Power
100 kw
21.1 kw
Gross Power
100 kw
21.1 kw
Net Power
85 kw
21 kw
Net Power
85 kw
21 kw
Engine Power
134 HP
28.8 HP
Engine Power
134 HP
28.8 HP
Engine Displacement
5760 cc
1642 cc
Engine Displacement
5760 cc
1642 cc
Number Of Cylinders
6 Nos
3 Nos
Number Of Cylinders
6 Nos
3 Nos
Rated RPM
1700 rpm
2200 rpm
Rated RPM
1700 rpm
2200 rpm
Emission Standard
BS IV
BS II
Emission Standard
BS IV
BS II
Max Torque
620 Nm
105.5 Nm
Max Torque
620 Nm
105.5 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
45860 kg
3650 kg
Operating Weight
45860 kg
3650 kg
Machine Weight
42478 kg
3650 kg
Machine Weight
42478 kg
3650 kg
Counter Weight
10211 kg
540 kg
Counter Weight
10211 kg
540 kg
Ground Pressure
44 kg
35 kg
Ground Pressure
44 kg
35 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston pumps
variable displacement axial piston pumps
Main Pump Type
Variable displacement axial piston pumps
variable displacement axial piston pumps
Maximum Hydraulic Flow
420 L/min
77 L/min
Maximum Hydraulic Flow
420 L/min
77 L/min
Maximum System Pressure
350 bar
245 bar
Maximum System Pressure
350 bar
245 bar
Hydraulic Oil Capacity
234 litres
56 litres
Hydraulic Oil Capacity
234 litres
56 litres
Auxiliary Hydraulic Flow
150 L/min
50 L/min
Auxiliary Hydraulic Flow
150 L/min
50 L/min
Working Range
Max Digging Depth
6300 mm
2790 mm
Max Digging Depth
6300 mm
2790 mm
Max Vertical Wall Digging Depth
5720 mm
2330 mm
Max Vertical Wall Digging Depth
5720 mm
2330 mm
Max Reach at Ground Level
9470 mm
4750 mm
Max Reach at Ground Level
9470 mm
4750 mm
Max Dumping Height
6710 mm
3310 mm
Max Dumping Height
6710 mm
3310 mm
Max Cutting Height
9250 mm
4420 mm
Max Cutting Height
9250 mm
4420 mm
Boom Length
5.700 m
2.100 m
Boom Length
5.700 m
2.100 m
Arm Length
2500 mm
1170 mm
Arm Length
2500 mm
1170 mm
Bucket Breakout Force
143 kN
27.2 kN
Bucket Breakout Force
143 kN
27.2 kN
Arm Tear-out Force
99 kN
14.6 kN
Arm Tear-out Force
99 kN
14.6 kN
Capacities
Fuel Tank Capacity
410 litres
42 litres
Fuel Tank Capacity
410 litres
42 litres
Hydraulic Tank Capacity
115 litres
32 litres
Hydraulic Tank Capacity
115 litres
32 litres
Cooling System Capacity
40 litres
7.2 litres
Cooling System Capacity
40 litres
7.2 litres
Engine Oil Capacity
25 litres
7.2 litres
Engine Oil Capacity
25 litres
7.2 litres
Swing Drive Oil Capacity
5 litres
1.3 litres
Swing Drive Oil Capacity
5 litres
1.3 litres
Final Drive Gear Oil Capacity
16 litres
1.1 litres
Final Drive Gear Oil Capacity
16 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
4,080 mm
1670 mm
Track Length on Ground
4,080 mm
1670 mm
Ground Clearance
450 mm
280 mm
Ground Clearance
450 mm
280 mm
Tail Swing Radius
2750 mm
2090 mm
Tail Swing Radius
2750 mm
2090 mm
Undercarriage Type
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Tracked crawler undercarriage (steel tracks with grease tension)
Undercarriage Type
Grease-lubricated track links with segmented & center guiding guards (standard Cat undercarriage)
Tracked crawler undercarriage (steel tracks with grease tension)
Steering & Brakes
Overall Length
9530 mm
4450 mm
Overall Length
9530 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
3050 mm
2470 mm
Cab Height
3050 mm
2470 mm
Boom Height
3.200 m
1.510 m
Boom Height
3.200 m
1.510 m
Track Width
600 mm
300 mm
Track Width
600 mm
300 mm
Performances
Travel Speed
5.5 km/h
4.3 km/h
Travel Speed
5.5 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
205 kN
26 kN
Drawbar Pull
205 kN
26 kN
Bucket And Attachments
Bucket Capacity
0.92 Cu.m
0.09 Cu.m
Bucket Capacity
0.92 Cu.m
0.09 Cu.m
Bucket Options
0.9 – 1.2
0.04 - 0.09
Bucket Options
0.9 – 1.2
0.04 - 0.09
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Auger, hydraulic breaker, grappler, quick coupler
Attachment Compatibility
GP, HD, Rock Breaker, Auger, Thumb, Grapple, Ripper
Auger, hydraulic breaker, grappler, quick coupler
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
LCD Monitor
LCD monitor for engine and hydraulics
Display Type
LCD Monitor
LCD monitor for engine and hydraulics
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable suspension seat
Adjustable suspension seat
Seat Type
Adjustable suspension seat
Adjustable suspension seat
Noise Level
72 dB(A)
97 dB(A)
Noise Level
72 dB(A)
97 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2x12 V
12 V
Battery
2x12 V
12 V
Alternator Output
80 A
40 A
Alternator Output
80 A
40 A
Lighting Type
Halogen
Halogen
Lighting Type
Halogen
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 320D3
Pros
- Strong engine performance for a 20-ton class excavator: 134 HP gross (100 kW), ~114 HP net. Great for heavy digging and lifting tasks.
- Typically well-insulated, ergonomically arranged operator cab with adjustable suspension seat, good visibility, and modern controls.
- Selectable power modes (Power, Smart, Eco) improve fuel efficiency depending on task.
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.
