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CAT 321 VS Tata Hitachi EX 110 Comparison
CAT 321
₹ 54 L - 55 L
VS
Tata Hitachi EX 110
₹ 46 L - 47.98 L
CAT 321
₹54L
Tata Hitachi EX 110
₹46L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
Tata Hitachi EX 110
From ₹ 46 Lakh
Engine
Model
Cat® C3.6
Tata 697NA
Model
Cat® C3.6
Tata 697NA
Gross Power
100 kw
59.7 kw
Gross Power
100 kw
59.7 kw
Net Power
129 kw
59.7 kw
Net Power
129 kw
59.7 kw
Engine Power
136 HP
80 HP
Engine Power
136 HP
80 HP
Engine Displacement
3600 cc
4250 cc
Engine Displacement
3600 cc
4250 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2300 rpm
Rated RPM
2000 rpm
2300 rpm
Emission Standard
BS IV
BS IV
Emission Standard
BS IV
BS IV
Max Torque
500 Nm
289 Nm
Max Torque
500 Nm
289 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
11500 kg
Operating Weight
19300 kg
11500 kg
Machine Weight
19300 kg
11500 kg
Machine Weight
19300 kg
11500 kg
Counter Weight
3650 kg
2500 kg
Counter Weight
3650 kg
2500 kg
Ground Pressure
60 kg
38.3 kg
Ground Pressure
60 kg
38.3 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
2 × variable displacement axial piston pumps
Main Pump Type
Electro‑hydraulic main control valve system
2 × variable displacement axial piston pumps
Maximum Hydraulic Flow
315 L/min
230 L/min
Maximum Hydraulic Flow
315 L/min
230 L/min
Maximum System Pressure
350 bar
348 bar
Maximum System Pressure
350 bar
348 bar
Hydraulic Oil Capacity
218 litres
126 litres
Hydraulic Oil Capacity
218 litres
126 litres
Auxiliary Hydraulic Flow
120 L/min
70 L/min
Auxiliary Hydraulic Flow
120 L/min
70 L/min
Working Range
Max Digging Depth
5970 mm
4720 mm
Max Digging Depth
5970 mm
4720 mm
Max Vertical Wall Digging Depth
5360 mm
4040 mm
Max Vertical Wall Digging Depth
5360 mm
4040 mm
Max Reach at Ground Level
9150 mm
7250 mm
Max Reach at Ground Level
9150 mm
7250 mm
Max Dumping Height
6250 mm
5280 mm
Max Dumping Height
6250 mm
5280 mm
Max Cutting Height
9120 mm
7630 mm
Max Cutting Height
9120 mm
7630 mm
Boom Length
5.700 m
4.250 m
Boom Length
5.700 m
4.250 m
Arm Length
2250 mm
1950 mm
Arm Length
2250 mm
1950 mm
Bucket Breakout Force
135 kN
100 kN
Bucket Breakout Force
135 kN
100 kN
Arm Tear-out Force
119 kN
70 kN
Arm Tear-out Force
119 kN
70 kN
Capacities
Fuel Tank Capacity
370 litres
250 litres
Fuel Tank Capacity
370 litres
250 litres
Hydraulic Tank Capacity
218 litres
72 litres
Hydraulic Tank Capacity
218 litres
72 litres
Cooling System Capacity
25 litres
11 litres
Cooling System Capacity
25 litres
11 litres
Engine Oil Capacity
11 litres
14 litres
Engine Oil Capacity
11 litres
14 litres
Swing Drive Oil Capacity
6 litres
3.2 litres
Swing Drive Oil Capacity
6 litres
3.2 litres
Final Drive Gear Oil Capacity
6 litres
2 litres
Final Drive Gear Oil Capacity
6 litres
2 litres
Under Carriage
Track Shoe Width
800 mm
500 mm
Track Shoe Width
800 mm
500 mm
Track Gauge
2380 mm
1990 mm
Track Gauge
2380 mm
1990 mm
Track Length on Ground
3650 mm
2 610 mm
Track Length on Ground
3650 mm
2 610 mm
Ground Clearance
450 mm
440 mm
Ground Clearance
450 mm
440 mm
Tail Swing Radius
1676 mm
2120 mm
Tail Swing Radius
1676 mm
2120 mm
Undercarriage Type
Crawler — steel tracks
Crawler – Steel Tracks
Undercarriage Type
Crawler — steel tracks
Crawler – Steel Tracks
Steering & Brakes
Overall Length
9570 mm
7270 mm
Overall Length
9570 mm
7270 mm
Overall Width
2800 mm
2490 mm
Overall Width
2800 mm
2490 mm
Overall Height
3250 mm
2690 mm
Overall Height
3250 mm
2690 mm
Cab Height
3250 mm
2690 mm
Cab Height
3250 mm
2690 mm
Boom Height
3.300 m
2.500 m
Boom Height
3.300 m
2.500 m
Track Width
600 mm
500 mm
Track Width
600 mm
500 mm
Performances
Travel Speed
10 km/h
4.3 km/h
Travel Speed
10 km/h
4.3 km/h
Swing Speed
10 rpm
12.1 rpm
Swing Speed
10 rpm
12.1 rpm
Gradeability
27 %
35 %
Gradeability
27 %
35 %
Drawbar Pull
150 kN
120 kN
Drawbar Pull
150 kN
120 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.86 Cu.m
Bucket Capacity
1 Cu.m
0.86 Cu.m
Bucket Options
0.8
0.5/0.7/0.8
Bucket Options
0.8
0.5/0.7/0.8
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Hydraulic breaker, auger, grapple
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Hydraulic breaker, auger, grapple
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
LCD multi‑function display
Display Type
8 LCD Touch Screen
LCD multi‑function display
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)
78 dB(A)
Noise Level
70 dB(A)
78 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
24 V
Battery
2X12 V
24 V
Alternator Output
100 A
80 A
Alternator Output
100 A
80 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
Tata Hitachi EX 110
Pros
- Powered by a Tata 697NA diesel engine delivering around 80–85 hp (~60–63 kW) — adequate for general excavation, trenching, and loading work on medium jobsites
- With a digging depth ~4.7 m and cutting height ~7.6 m, it’s versatile for typical construction tasks, utilities, and earthmoving.
- Tata Hitachi has a wide aftermarket and support network in India, easing parts and servicing.
