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CAT 321 VS SANY SY140C-9 Comparison
CAT 321
₹ 54 L - 55 L
VS
SANY SY140C-9
₹ 43 L - 45 L
CAT 321
₹54L
SANY SY140C-9
₹43L
Compare excavators helps you make an informed purchase decision.
CAT 321
From ₹ 54 Lakh
SANY SY140C-9
From ₹ 43 Lakh
Engine
Model
Cat® C3.6
Isuzu 4BG1‑TABGC‑03‑C2
Model
Cat® C3.6
Isuzu 4BG1‑TABGC‑03‑C2
Gross Power
100 kw
72 kw
Gross Power
100 kw
72 kw
Net Power
129 kw
72 kw
Net Power
129 kw
72 kw
Engine Power
136 HP
98 HP
Engine Power
136 HP
98 HP
Engine Displacement
3600 cc
4329 cc
Engine Displacement
3600 cc
4329 cc
Number Of Cylinders
4 Nos
4 Nos
Number Of Cylinders
4 Nos
4 Nos
Rated RPM
2000 rpm
2200 rpm
Rated RPM
2000 rpm
2200 rpm
Emission Standard
BS IV
BS IV
Emission Standard
BS IV
BS IV
Max Torque
500 Nm
357 Nm
Max Torque
500 Nm
357 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Operating Weight
Operating Weight
19300 kg
14000 kg
Operating Weight
19300 kg
14000 kg
Machine Weight
19300 kg
13545 kg
Machine Weight
19300 kg
13545 kg
Counter Weight
3650 kg
4200 kg
Counter Weight
3650 kg
4200 kg
Ground Pressure
60 kg
42 kg
Ground Pressure
60 kg
42 kg
Hydraulic System
Main Pump Type
Electro‑hydraulic main control valve system
Variable displacement axial piston pumps
Main Pump Type
Electro‑hydraulic main control valve system
Variable displacement axial piston pumps
Maximum Hydraulic Flow
315 L/min
242 L/min
Maximum Hydraulic Flow
315 L/min
242 L/min
Maximum System Pressure
350 bar
314 bar
Maximum System Pressure
350 bar
314 bar
Hydraulic Oil Capacity
218 litres
150 litres
Hydraulic Oil Capacity
218 litres
150 litres
Auxiliary Hydraulic Flow
120 L/min
120 L/min
Auxiliary Hydraulic Flow
120 L/min
120 L/min
Working Range
Max Digging Depth
5970 mm
5117 mm
Max Digging Depth
5970 mm
5117 mm
Max Vertical Wall Digging Depth
5360 mm
4127 mm
Max Vertical Wall Digging Depth
5360 mm
4127 mm
Max Reach at Ground Level
9150 mm
7952 mm
Max Reach at Ground Level
9150 mm
7952 mm
Max Dumping Height
6250 mm
5856 mm
Max Dumping Height
6250 mm
5856 mm
Max Cutting Height
9120 mm
8324 mm
Max Cutting Height
9120 mm
8324 mm
Boom Length
5.700 m
4.600 m
Boom Length
5.700 m
4.600 m
Arm Length
2250 mm
2100 mm
Arm Length
2250 mm
2100 mm
Bucket Breakout Force
135 kN
94 kN
Bucket Breakout Force
135 kN
94 kN
Arm Tear-out Force
119 kN
69 kN
Arm Tear-out Force
119 kN
69 kN
Capacities
Fuel Tank Capacity
370 litres
240 litres
Fuel Tank Capacity
370 litres
240 litres
Hydraulic Tank Capacity
218 litres
150 litres
Hydraulic Tank Capacity
218 litres
150 litres
Cooling System Capacity
25 litres
10 litres
Cooling System Capacity
25 litres
10 litres
Engine Oil Capacity
11 litres
13 litres
Engine Oil Capacity
11 litres
13 litres
Swing Drive Oil Capacity
6 litres
5 litres
Swing Drive Oil Capacity
6 litres
5 litres
Final Drive Gear Oil Capacity
6 litres
2.2 litres
Final Drive Gear Oil Capacity
6 litres
2.2 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
3665 mm
Track Length on Ground
3650 mm
3665 mm
Ground Clearance
450 mm
425 mm
Ground Clearance
450 mm
425 mm
Tail Swing Radius
1676 mm
2930 mm
Tail Swing Radius
1676 mm
2930 mm
Undercarriage Type
Crawler — steel tracks
Tracked/Crawler
Undercarriage Type
Crawler — steel tracks
Tracked/Crawler
Steering & Brakes
Overall Length
9570 mm
7766 mm
Overall Length
9570 mm
7766 mm
Overall Width
2800 mm
2550 mm
Overall Width
2800 mm
2550 mm
Overall Height
3250 mm
2800 mm
Overall Height
3250 mm
2800 mm
Cab Height
3250 mm
2740 mm
Cab Height
3250 mm
2740 mm
Boom Height
3.300 m
3.500 m
Boom Height
3.300 m
3.500 m
Track Width
600 mm
500 mm
Track Width
600 mm
500 mm
Performances
Travel Speed
10 km/h
5.1 km/h
Travel Speed
10 km/h
5.1 km/h
Swing Speed
10 rpm
12 rpm
Swing Speed
10 rpm
12 rpm
Gradeability
27 %
70 %
Gradeability
27 %
70 %
Drawbar Pull
150 kN
117 kN
Drawbar Pull
150 kN
117 kN
Bucket And Attachments
Bucket Capacity
1 Cu.m
0.72 Cu.m
Bucket Capacity
1 Cu.m
0.72 Cu.m
Bucket Options
0.8
0.72 - 0.8
Bucket Options
0.8
0.72 - 0.8
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, Grapple, Ripper
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, Grapple, Ripper
Cabin And Controls
Cabin AC
Yes
Yes
Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
LCD multi‑function
Display Type
8 LCD Touch Screen
LCD multi‑function
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Suspension seat
Seat Type
Suspension Seat
Suspension seat
Noise Level
70 dB(A)
76 dB(A)
Noise Level
70 dB(A)
76 dB(A)
Safety Features
-
-
Safety Features
-
-
Electrical System
Battery
2X12 V
24 V
Battery
2X12 V
24 V
Alternator Output
100 A
50 A
Alternator Output
100 A
50 A
Lighting Type
LED
Halogen
Lighting Type
LED
Halogen
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
SANY SY140C-9
Pros
- The SY140C‑9 uses a well‑established Isuzu 4.329 L diesel engine, known for durability and simpler maintenance in many markets.
- 98 hp is competitive for a 14 t class excavator, good for general earthmoving, trenching and utility work.
- Dual variable‑displacement piston pumps provide steady hydraulic flow (~2×121 L/min), supporting smooth digging cycles and attachments
