Compare Excavators. Choose Smarter.
Tata Hitachi ZX870-5G VS CAT 320D3 GC Comparison
Tata Hitachi ZX870-5G
₹ 80 L - 90 L
VS
CAT 320D3 GC
₹ 86.25 L - 86.75 L
Tata Hitachi ZX870-5G
₹80L
CAT 320D3 GC
₹86.25L
Compare excavators helps you make an informed purchase decision.
Tata Hitachi ZX870-5G
From ₹ 80 Lakh
CAT 320D3 GC
From ₹ 86.25 Lakh
Engine
Model
Isuzu BB‑6WG1XQA‑04 (6‑cyl, water‑cooled, direct injection, turbo)
ALUW06DTI (6-cyl Mechanical)
Model
Isuzu BB‑6WG1XQA‑04 (6‑cyl, water‑cooled, direct injection, turbo)
ALUW06DTI (6-cyl Mechanical)
Gross Power
360 kw
100 kw
Gross Power
360 kw
100 kw
Net Power
360 kw
32 kw
Net Power
360 kw
32 kw
Engine Power
483 HP
134 HP
Engine Power
483 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
1945 Nm
800 Nm
Max Torque
1945 Nm
800 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
80800 kg
19800 kg
Operating Weight
80800 kg
19800 kg
Machine Weight
80800 kg
19 800 kg
Machine Weight
80800 kg
19 800 kg
Counter Weight
43231 kg
3650 kg
Counter Weight
43231 kg
3650 kg
Ground Pressure
110 kg
46 kg
Ground Pressure
110 kg
46 kg
Hydraulic System
Main Pump Type
Variable‑displacement axial piston pump
variable displacement axial position
Main Pump Type
Variable‑displacement axial piston pump
variable displacement axial position
Maximum Hydraulic Flow
1024 L/min
400 L/min
Maximum Hydraulic Flow
1024 L/min
400 L/min
Maximum System Pressure
319 bar
350 bar
Maximum System Pressure
319 bar
350 bar
Hydraulic Oil Capacity
1024 litres
230 litres
Hydraulic Oil Capacity
1024 litres
230 litres
Auxiliary Hydraulic Flow
765 L/min
180 L/min
Auxiliary Hydraulic Flow
765 L/min
180 L/min
Working Range
Max Digging Depth
8870 mm
6005 mm
Max Digging Depth
8870 mm
6005 mm
Max Vertical Wall Digging Depth
7170 mm
5350 mm
Max Vertical Wall Digging Depth
7170 mm
5350 mm
Max Reach at Ground Level
14100 mm
9140 mm
Max Reach at Ground Level
14100 mm
9140 mm
Max Dumping Height
9080 mm
6250 mm
Max Dumping Height
9080 mm
6250 mm
Max Cutting Height
13030 mm
9110 mm
Max Cutting Height
13030 mm
9110 mm
Boom Length
8.400 m
5.700 m
Boom Length
8.400 m
5.700 m
Arm Length
3700 mm
2250 mm
Arm Length
3700 mm
2250 mm
Bucket Breakout Force
339 kN
134 kN
Bucket Breakout Force
339 kN
134 kN
Arm Tear-out Force
212 kN
112 kN
Arm Tear-out Force
212 kN
112 kN
Capacities
Fuel Tank Capacity
1110 litres
350 litres
Fuel Tank Capacity
1110 litres
350 litres
Hydraulic Tank Capacity
500 litres
115 litres
Hydraulic Tank Capacity
500 litres
115 litres
Cooling System Capacity
112 litres
19 litres
Cooling System Capacity
112 litres
19 litres
Engine Oil Capacity
52 litres
18 litres
Engine Oil Capacity
52 litres
18 litres
Swing Drive Oil Capacity
15.7 litres
6 litres
Swing Drive Oil Capacity
15.7 litres
6 litres
Final Drive Gear Oil Capacity
38 litres
5 litres
Final Drive Gear Oil Capacity
38 litres
5 litres
Under Carriage
Track Shoe Width
650 mm
600 mm
Track Shoe Width
650 mm
600 mm
Track Gauge
3450 mm
2200 mm
Track Gauge
3450 mm
2200 mm
Track Length on Ground
5 840 mm
4080 mm
Track Length on Ground
5 840 mm
4080 mm
Ground Clearance
890 mm
450 mm
Ground Clearance
890 mm
450 mm
Tail Swing Radius
4600 mm
2750 mm
Tail Swing Radius
4600 mm
2750 mm
Undercarriage Type
Tracked undercarriage with double‑grouser steel shoes and hydraulic (grease) track adjusters with shock‑absorbing springs — robust mining/excavation crawler design
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 double‑grouser steel shoes and hydraulic (grease) track adjusters with shock‑absorbing springs — robust mining/excavation crawler design
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
14000 mm
9520 mm
Overall Length
14000 mm
9520 mm
Overall Width
4100 mm
2800 mm
Overall Width
4100 mm
2800 mm
Overall Height
3780 mm
3100 mm
Overall Height
3780 mm
3100 mm
Cab Height
3780 mm
3100 mm
Cab Height
3780 mm
3100 mm
Boom Height
3.500 m
3.100 m
Boom Height
3.500 m
3.100 m
Track Width
3450 mm
600 mm
Track Width
3450 mm
600 mm
Performances
Travel Speed
4.5 km/h
6.5 km/h
Travel Speed
4.5 km/h
6.5 km/h
Swing Speed
7.4 rpm
10 rpm
Swing Speed
7.4 rpm
10 rpm
Gradeability
70 %
34 %
Gradeability
70 %
34 %
Drawbar Pull
560 kN
200 kN
Drawbar Pull
560 kN
200 kN
Bucket And Attachments
Bucket Capacity
4.5 Cu.m
0.92 Cu.m
Bucket Capacity
4.5 Cu.m
0.92 Cu.m
Bucket Options
2.9 – 4.5
Light / General Duty / HD buckets
Bucket Options
2.9 – 4.5
Light / General Duty / HD buckets
Attachment Compatibility
Breaker, ripper, tilt coupler kits (dealer options)
Hammer, Ripper
Attachment Compatibility
Breaker, ripper, tilt coupler kits (dealer options)
Hammer, Ripper
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
Multi‑function LCD Monitor
Basic gauge cluster / optional monitor
Display Type
Multi‑function LCD Monitor
Basic gauge cluster / optional monitor
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Adjustable suspension seat
Mechanical suspension seat
Seat Type
Adjustable suspension seat
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
Halogen
LED
Lighting Type
Halogen
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 ZX870-5G
Pros
- Uses Isuzu BB‑6WG1XQA‑04 6‑cyl turbocharged engine producing ~483 HP / 360 kW @ 1,800 rpm, which gives strong performance in heavy digging cycles.
- Dual high‑capacity main pumps (~1,024 L/min total) provide robust flow for demanding implement actions and attachments.
- Multiple boom/arm combinations expand working range from trenching to deep/exceeding reach applications.
CAT 320D3 GC
Pros
- Low Operating Costs
- Reliability & Simplicity
- Durability & Build Quality
