
Compare Excavators. Choose Smarter.
CAT 320D VS SANY SY35U Comparison
CAT 320D
₹ 22 L - 23.99 L
VS
SANY SY35U
₹ 24 L - 26 L
CAT 320D
₹22L
SANY SY35U
₹24L
Compare excavators helps you make an informed purchase decision.
CAT 320D
From ₹ 22 Lakh
SANY SY35U
From ₹ 24 Lakh
Engine
Model
CAT 3066TA
Yanmar 3TNV88F
Model
CAT 3066TA
Yanmar 3TNV88F
Gross Power
112.8 kw
18.2 kw
Gross Power
112.8 kw
18.2 kw
Net Power
104 kw
17.4 kw
Net Power
104 kw
17.4 kw
Engine Power
140 HP
23.3 HP
Engine Power
140 HP
23.3 HP
Engine Displacement
6370 cc
1642 cc
Engine Displacement
6370 cc
1642 cc
Number Of Cylinders
6 Nos
4 Nos
Number Of Cylinders
6 Nos
4 Nos
Rated RPM
1800 rpm
2200 rpm
Rated RPM
1800 rpm
2200 rpm
Emission Standard
BS IV
BS V
Emission Standard
BS IV
BS V
Max Torque
650 Nm
94.2 Nm
Max Torque
650 Nm
94.2 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
20330 kg
3780 kg
Operating Weight
20330 kg
3780 kg
Machine Weight
20300 kg
3795 kg
Machine Weight
20300 kg
3795 kg
Counter Weight
4200 kg
1600 kg
Counter Weight
4200 kg
1600 kg
Ground Pressure
55 kg
32 kg
Ground Pressure
55 kg
32 kg
Hydraulic System
Main Pump Type
Variable displacement axial piston
Adjustable axial piston pump
Main Pump Type
Variable displacement axial piston
Adjustable axial piston pump
Maximum Hydraulic Flow
205 L/min
88 L/min
Maximum Hydraulic Flow
205 L/min
88 L/min
Maximum System Pressure
350 bar
245 bar
Maximum System Pressure
350 bar
245 bar
Hydraulic Oil Capacity
260 litres
40 litres
Hydraulic Oil Capacity
260 litres
40 litres
Auxiliary Hydraulic Flow
60 L/min
70 L/min
Auxiliary Hydraulic Flow
60 L/min
70 L/min
Working Range
Max Digging Depth
6720 mm
3105 mm
Max Digging Depth
6720 mm
3105 mm
Max Vertical Wall Digging Depth
6980 mm
2700 mm
Max Vertical Wall Digging Depth
6980 mm
2700 mm
Max Reach at Ground Level
10790 mm
5465 mm
Max Reach at Ground Level
10790 mm
5465 mm
Max Dumping Height
6940 mm
3460 mm
Max Dumping Height
6940 mm
3460 mm
Max Cutting Height
9960 mm
4855 mm
Max Cutting Height
9960 mm
4855 mm
Boom Length
5.700 m
2.540 m
Boom Length
5.700 m
2.540 m
Arm Length
2.5 mm
1400 mm
Arm Length
2.5 mm
1400 mm
Bucket Breakout Force
135 kN
30.4 kN
Bucket Breakout Force
135 kN
30.4 kN
Arm Tear-out Force
118 kN
18.2 kN
Arm Tear-out Force
118 kN
18.2 kN
Capacities
Fuel Tank Capacity
410 litres
50 litres
Fuel Tank Capacity
410 litres
50 litres
Hydraulic Tank Capacity
120 litres
40 litres
Hydraulic Tank Capacity
120 litres
40 litres
Cooling System Capacity
25 litres
6.7 litres
Cooling System Capacity
25 litres
6.7 litres
Engine Oil Capacity
30 litres
6.7 litres
Engine Oil Capacity
30 litres
6.7 litres
Swing Drive Oil Capacity
8 litres
0.7 litres
Swing Drive Oil Capacity
8 litres
0.7 litres
Final Drive Gear Oil Capacity
6 litres
0.7 litres
Final Drive Gear Oil Capacity
6 litres
0.7 litres
Under Carriage
Track Shoe Width
600 mm
300 mm
Track Shoe Width
600 mm
300 mm
Track Gauge
2200 mm
1420 mm
Track Gauge
2200 mm
1420 mm
Track Length on Ground
3265 mm
1670 mm
Track Length on Ground
3265 mm
1670 mm
Ground Clearance
450 mm
295 mm
Ground Clearance
450 mm
295 mm
Tail Swing Radius
2750 mm
860 mm
Tail Swing Radius
2750 mm
860 mm
Undercarriage Type
Crawler – Steel Tracks
Tracked crawler undercarriage
Undercarriage Type
Crawler – Steel Tracks
Tracked crawler undercarriage
Steering & Brakes
Overall Length
9450 mm
4915 mm
Overall Length
9450 mm
4915 mm
Overall Width
2800 mm
1720 mm
Overall Width
2800 mm
1720 mm
Overall Height
3050 mm
2515 mm
Overall Height
3050 mm
2515 mm
Cab Height
2950 mm
2515 mm
Cab Height
2950 mm
2515 mm
Boom Height
3.050 m
3.082 m
Boom Height
3.050 m
3.082 m
Track Width
600 mm
300 mm
Track Width
600 mm
300 mm
Performances
Travel Speed
5.6 km/h
4.4 km/h
Travel Speed
5.6 km/h
4.4 km/h
Swing Speed
10.5 rpm
9 rpm
Swing Speed
10.5 rpm
9 rpm
Gradeability
30 %
30 %
Gradeability
30 %
30 %
Drawbar Pull
205 kN
36.8 kN
Drawbar Pull
205 kN
36.8 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.12 Cu.m
Bucket Capacity
1 Cu.m
0.12 Cu.m
Bucket Options
0.57–1.56
0.08 - 0.12
Bucket Options
0.57–1.56
0.08 - 0.12
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Breaker, auger, grapple
Attachment Compatibility
Standard Cat thumb, breaker, auger, tilt‑rotator kits
Breaker, auger, grapple
Cabin And Controls
Cabin AC
Yes
No
Cabin AC
Yes
No
Display Type
LCD monitor on newer versions
Digital/analog combo
Display Type
LCD monitor on newer versions
Digital/analog combo
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Air suspension available
Ergonomic adjustable
Seat Type
Air suspension available
Ergonomic adjustable
Noise Level
75 dB(A)
76 dB(A)
Noise Level
75 dB(A)
76 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
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
No
Telematics
Yes
No
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.
SANY SY35U
Pros
- At ~3.8 t operating weight, it strikes a balance between power and maneuverability for urban/medium jobs.
- Makes working in tight spaces easier — minimizes side‑overhang when swinging.
- Powered by a Yanmar 3TNV88F (~18.2 kW / ~24–28 hp) with efficient load‑sensing hydraulics.