Compare Excavators. Choose Smarter.
CAT 320D VS CAT 305.5E Comparison
CAT 320D
₹ 22 L - 23.99 L
VS
CAT 305.5E
₹ 29 L - 31 L
CAT 320D
₹22L
CAT 305.5E
₹29L
Compare excavators helps you make an informed purchase decision.
CAT 320D
From ₹ 22 Lakh
CAT 305.5E
From ₹ 29 Lakh
Engine
Model
CAT 3066TA
Cat C2.4 DI
Model
CAT 3066TA
Cat C2.4 DI
Gross Power
112.8 kw
34.1 kw
Gross Power
112.8 kw
34.1 kw
Net Power
104 kw
32.9 kw
Net Power
104 kw
32.9 kw
Engine Power
140 HP
45.7 HP
Engine Power
140 HP
45.7 HP
Engine Displacement
6370 cc
2400 cc
Engine Displacement
6370 cc
2400 cc
Number Of Cylinders
6 Nos
4 Nos
Number Of Cylinders
6 Nos
4 Nos
Rated RPM
1800 rpm
2400 rpm
Rated RPM
1800 rpm
2400 rpm
Emission Standard
BS IV
Stage III
Emission Standard
BS IV
Stage III
Max Torque
650 Nm
800 Nm
Max Torque
650 Nm
800 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
20330 kg
5400 kg
Operating Weight
20330 kg
5400 kg
Machine Weight
20300 kg
5,423 kg
Machine Weight
20300 kg
5,423 kg
Counter Weight
4200 kg
5000 kg
Counter Weight
4200 kg
5000 kg
Ground Pressure
55 kg
31.0 kg
Ground Pressure
55 kg
31.0 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston
Load sensing hydraulics with variable displacement piston pump
Main Pump Type
Variable displacement axial piston
Load sensing hydraulics with variable displacement piston pump
Maximum Hydraulic Flow
205 L/min
140 L/min
Maximum Hydraulic Flow
205 L/min
140 L/min
Maximum System Pressure
350 bar
250 bar
Maximum System Pressure
350 bar
250 bar
Hydraulic Oil Capacity
260 litres
85 litres
Hydraulic Oil Capacity
260 litres
85 litres
Auxiliary Hydraulic Flow
60 L/min
180 L/min
Auxiliary Hydraulic Flow
60 L/min
180 L/min
Working Range
Max Digging Depth
6720 mm
137 mm
Max Digging Depth
6720 mm
137 mm
Max Vertical Wall Digging Depth
6980 mm
2,210 mm
Max Vertical Wall Digging Depth
6980 mm
2,210 mm
Max Reach at Ground Level
10790 mm
5830 mm
Max Reach at Ground Level
10790 mm
5830 mm
Max Dumping Height
6940 mm
3,835 mm
Max Dumping Height
6940 mm
3,835 mm
Max Cutting Height
9960 mm
5460 mm
Max Cutting Height
9960 mm
5460 mm
Boom Length
5.700 m
3.200 m
Boom Length
5.700 m
3.200 m
Arm Length
2.5 mm
1500 mm
Arm Length
2.5 mm
1500 mm
Bucket Breakout Force
135 kN
35 kN
Bucket Breakout Force
135 kN
35 kN
Arm Tear-out Force
118 kN
27 kN
Arm Tear-out Force
118 kN
27 kN
Capacities
Fuel Tank Capacity
410 litres
78 litres
Fuel Tank Capacity
410 litres
78 litres
Hydraulic Tank Capacity
120 litres
58 litres
Hydraulic Tank Capacity
120 litres
58 litres
Cooling System Capacity
25 litres
9.8 litres
Cooling System Capacity
25 litres
9.8 litres
Engine Oil Capacity
30 litres
9.5 litres
Engine Oil Capacity
30 litres
9.5 litres
Swing Drive Oil Capacity
8 litres
8 litres
Swing Drive Oil Capacity
8 litres
8 litres
Final Drive Gear Oil Capacity
6 litres
7 litres
Final Drive Gear Oil Capacity
6 litres
7 litres
Under Carriage
Track Shoe Width
600 mm
400 mm
Track Shoe Width
600 mm
400 mm
Track Gauge
2200 mm
1550 mm
Track Gauge
2200 mm
1550 mm
Track Length on Ground
3265 mm
2440 mm
Track Length on Ground
3265 mm
2440 mm
Ground Clearance
450 mm
628 mm
Ground Clearance
450 mm
628 mm
Tail Swing Radius
2750 mm
1580 mm
Tail Swing Radius
2750 mm
1580 mm
Undercarriage Type
Crawler – Steel Tracks
Tracked undercarriage with rubber tracks (standard on this mini excavator)
Undercarriage Type
Crawler – Steel Tracks
Tracked undercarriage with rubber tracks (standard on this mini excavator)
Steering & Brakes
Overall Length
9450 mm
5,765 mm
Overall Length
9450 mm
5,765 mm
Overall Width
2800 mm
1950 mm
Overall Width
2800 mm
1950 mm
Overall Height
3050 mm
2,540 mm
Overall Height
3050 mm
2,540 mm
Cab Height
2950 mm
2,540 mm
Cab Height
2950 mm
2,540 mm
Boom Height
3.050 m
3 m
Boom Height
3.050 m
3 m
Track Width
600 mm
600 mm
Track Width
600 mm
600 mm
Performances
Travel Speed
5.6 km/h
4 km/h
Travel Speed
5.6 km/h
4 km/h
Swing Speed
10.5 rpm
10.5 rpm
Swing Speed
10.5 rpm
10.5 rpm
Gradeability
30 %
25 %
Gradeability
30 %
25 %
Drawbar Pull
205 kN
40 kN
Drawbar Pull
205 kN
40 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.06 Cu.m
Bucket Capacity
1 Cu.m
0.06 Cu.m
Bucket Options
0.57–1.56
0.22
Bucket Options
0.57–1.56
0.22
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Standard mini‑excavator attachments (hydraulic hammer, auger, etc.)
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Standard mini‑excavator attachments (hydraulic hammer, auger, etc.)
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
LCD monitor on newer versions
Standard operator display
Display Type
LCD monitor on newer versions
Standard operator display
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Air suspension available
Suspension/comfort seat
Seat Type
Air suspension available
Suspension/comfort seat
Noise Level
75 dB(A)
73 dB(A)
Noise Level
75 dB(A)
73 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
24 V
12 V
Battery
24 V
12 V
Alternator Output
70 A
80 A
Alternator Output
70 A
80 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
CAT 320D
Pros
- Proven Cat C6.4 ACERT engine with solid torque and power for mid‑size excavator tasks (earthmoving, trenching, loading).
- 5.7 m boom and ~9+ m digging height help in both shallow and medium depth work.
- Caterpillar’s dealer network is extensive — spare parts availability is usually strong globally.
CAT 305.5E
Pros
- Compact & Maneuverable
- Strong Performance for Size
- Fuel Efficient
