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Tata Hitachi ZAXIS 670H VS CAT 320D3 GC Comparison
Tata Hitachi ZAXIS 670H
₹ 60 L - 74.99 L
VS
CAT 320D3 GC
₹ 86.25 L - 86.75 L
Tata Hitachi ZAXIS 670H
₹60L
CAT 320D3 GC
₹86.25L
Compare excavators helps you make an informed purchase decision.
Tata Hitachi ZAXIS 670H
From ₹ 60 Lakh
CAT 320D3 GC
From ₹ 86.25 Lakh
Engine
Model
Isuzu BB‑6WG1X (Turbocharged 4‑cycle, direct injection, water cooled)
ALUW06DTI (6-cyl Mechanical)
Model
Isuzu BB‑6WG1X (Turbocharged 4‑cycle, direct injection, water cooled)
ALUW06DTI (6-cyl Mechanical)
Gross Power
295 kw
100 kw
Gross Power
295 kw
100 kw
Net Power
295 kw
32 kw
Net Power
295 kw
32 kw
Engine Power
395 HP
134 HP
Engine Power
395 HP
134 HP
Engine Displacement
15681 cc
5760 cc
Engine Displacement
15681 cc
5760 cc
Number Of Cylinders
6 Nos
6 Nos
Number Of Cylinders
6 Nos
6 Nos
Rated RPM
1800 rpm
1700 rpm
Rated RPM
1800 rpm
1700 rpm
Emission Standard
BS II
equiv. to Tier 2
Emission Standard
BS II
equiv. to Tier 2
Max Torque
1540 Nm
800 Nm
Max Torque
1540 Nm
800 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
63500 kg
19800 kg
Operating Weight
63500 kg
19800 kg
Machine Weight
63500 kg
19 800 kg
Machine Weight
63500 kg
19 800 kg
Counter Weight
12002 kg
3650 kg
Counter Weight
12002 kg
3650 kg
Ground Pressure
107 kg
46 kg
Ground Pressure
107 kg
46 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston pumps
variable displacement axial position
Main Pump Type
Variable displacement axial piston pumps
variable displacement axial position
Maximum Hydraulic Flow
950 L/min
400 L/min
Maximum Hydraulic Flow
950 L/min
400 L/min
Maximum System Pressure
309 bar
350 bar
Maximum System Pressure
309 bar
350 bar
Hydraulic Oil Capacity
618 litres
230 litres
Hydraulic Oil Capacity
618 litres
230 litres
Auxiliary Hydraulic Flow
30 L/min
180 L/min
Auxiliary Hydraulic Flow
30 L/min
180 L/min
Working Range
Max Digging Depth
7046 mm
6005 mm
Max Digging Depth
7046 mm
6005 mm
Max Vertical Wall Digging Depth
6886 mm
5350 mm
Max Vertical Wall Digging Depth
6886 mm
5350 mm
Max Reach at Ground Level
11370 mm
9140 mm
Max Reach at Ground Level
11370 mm
9140 mm
Max Dumping Height
6886 mm
6250 mm
Max Dumping Height
6886 mm
6250 mm
Max Cutting Height
10867 mm
9110 mm
Max Cutting Height
10867 mm
9110 mm
Boom Length
6.600 m
5.700 m
Boom Length
6.600 m
5.700 m
Arm Length
2900 mm
2250 mm
Arm Length
2900 mm
2250 mm
Bucket Breakout Force
308 kN
134 kN
Bucket Breakout Force
308 kN
134 kN
Arm Tear-out Force
258 kN
112 kN
Arm Tear-out Force
258 kN
112 kN
Capacities
Fuel Tank Capacity
740 litres
350 litres
Fuel Tank Capacity
740 litres
350 litres
Hydraulic Tank Capacity
310 litres
115 litres
Hydraulic Tank Capacity
310 litres
115 litres
Cooling System Capacity
98 litres
19 litres
Cooling System Capacity
98 litres
19 litres
Engine Oil Capacity
55 litres
18 litres
Engine Oil Capacity
55 litres
18 litres
Swing Drive Oil Capacity
12 litres
6 litres
Swing Drive Oil Capacity
12 litres
6 litres
Final Drive Gear Oil Capacity
10 litres
5 litres
Final Drive Gear Oil Capacity
10 litres
5 litres
Under Carriage
Track Shoe Width
600 mm
600 mm
Track Shoe Width
600 mm
600 mm
Track Gauge
3200 mm
2200 mm
Track Gauge
3200 mm
2200 mm
Track Length on Ground
4250 mm
4080 mm
Track Length on Ground
4250 mm
4080 mm
Ground Clearance
800 mm
450 mm
Ground Clearance
800 mm
450 mm
Tail Swing Radius
3800 mm
2750 mm
Tail Swing Radius
3800 mm
2750 mm
Undercarriage Type
Tracked undercarriage with steel grouser shoes and grease tensioning (heavy crawler configuration for excavators)
Tracked undercarriage with steel track shoes and grease‑tensioned adjustments – standard crawler system used on medium excavators like the 320 series.
Undercarriage Type
Tracked undercarriage with steel grouser shoes and grease tensioning (heavy crawler configuration for excavators)
Tracked undercarriage with steel track shoes and grease‑tensioned adjustments – standard crawler system used on medium excavators like the 320 series.
Steering & Brakes
Overall Length
11650 mm
9520 mm
Overall Length
11650 mm
9520 mm
Overall Width
3200 mm
2800 mm
Overall Width
3200 mm
2800 mm
Overall Height
3500 mm
3100 mm
Overall Height
3500 mm
3100 mm
Cab Height
3500 mm
3100 mm
Cab Height
3500 mm
3100 mm
Boom Height
3.700 m
3.100 m
Boom Height
3.700 m
3.100 m
Track Width
600 mm
600 mm
Track Width
600 mm
600 mm
Performances
Travel Speed
5 km/h
6.5 km/h
Travel Speed
5 km/h
6.5 km/h
Swing Speed
10.2 rpm
10 rpm
Swing Speed
10.2 rpm
10 rpm
Gradeability
70 %
34 %
Gradeability
70 %
34 %
Drawbar Pull
415 kN
200 kN
Drawbar Pull
415 kN
200 kN
Bucket And Attachments
Bucket Capacity
3.3 Cu.m
0.92 Cu.m
Bucket Capacity
3.3 Cu.m
0.92 Cu.m
Bucket Options
3.3 - 4.1
Light / General Duty / HD buckets
Bucket Options
3.3 - 4.1
Light / General Duty / HD buckets
Attachment Compatibility
Breaker, ripper, grapples
Hammer, Ripper
Attachment Compatibility
Breaker, ripper, grapples
Hammer, Ripper
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
Digital + analog monitor
Basic gauge cluster / optional monitor
Display Type
Digital + analog monitor
Basic gauge cluster / optional monitor
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable suspension
Mechanical suspension seat
Seat Type
Adjustable suspension
Mechanical suspension seat
Noise Level
78 dB(A)
73 dB(A)
Noise Level
78 dB(A)
73 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2x12 V
24 V
Battery
2x12 V
24 V
Alternator Output
50 A
85 A
Alternator Output
50 A
85 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
Yes
Yes
Telematics
Yes
Yes
Diagnostic System
Yes
Yes
Diagnostic System
Yes
Yes
Tata Hitachi ZAXIS 670H
Pros
- High Hydraulic Flow: ~950 L/min total — supports powerful digging and attachments.
- Large Engine Output: 395 HP in a heavy crawler class supports effective performance.
- High Boom/Cut Height: ~10.9 m — effective for loading trucks and high dumps.
CAT 320D3 GC
Pros
- Low Operating Costs
- Reliability & Simplicity
- Durability & Build Quality
