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CAT 321 VS Komatsu PC 225 LC Comparison

CAT 321

CAT 321

₹ 54 L - 55 L

Komatsu PC 225 LC

Komatsu PC 225 LC

₹ 34 L - 45.01 L

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CAT 321

CAT 321

54L

Komatsu PC 225 LC

Komatsu PC 225 LC

34L

Engine

Model
Cat® C3.6
Komatsu SAA6D107E-1
Gross Power
100 kw
123 kw
Net Power
129 kw
118 kw
Engine Power
136 HP
165 HP
Engine Displacement
3600 cc
7000 cc
Number Of Cylinders
4 Nos
6 Nos
Rated RPM
2000 rpm
2000 rpm
Emission Standard
BS IV
BS IV
Max Torque
500 Nm
880 Nm
Fuel Type
Diesel
Diesel

Operating Weight

Operating Weight
19300 kg
23100 kg
Machine Weight
19300 kg
23600 kg
Counter Weight
3650 kg
4200 kg
Ground Pressure
60 kg
45 kg

Hydraulic System

Main Pump Type
Electro‑hydraulic main control valve system
Variable Displacement Axial Piston
Maximum Hydraulic Flow
315 L/min
439 L/min
Maximum System Pressure
350 bar
350 bar
Hydraulic Oil Capacity
218 litres
120 litres
Auxiliary Hydraulic Flow
120 L/min
172 L/min

Working Range

Max Digging Depth
5970 mm
6620 mm
Max Vertical Wall Digging Depth
5360 mm
5980 mm
Max Reach at Ground Level
9150 mm
9700 mm
Max Dumping Height
6250 mm
7110 mm
Max Cutting Height
9120 mm
10000 mm
Boom Length
5.700 m
5.700 m
Arm Length
2250 mm
2925 mm
Bucket Breakout Force
135 kN
149 kN
Arm Tear-out Force
119 kN
108 kN

Capacities

Fuel Tank Capacity
370 litres
400 litres
Hydraulic Tank Capacity
218 litres
132 litres
Cooling System Capacity
25 litres
29 litres
Engine Oil Capacity
11 litres
24.6 litres
Swing Drive Oil Capacity
6 litres
6 litres
Final Drive Gear Oil Capacity
6 litres
7 litres

Under Carriage

Track Shoe Width
800 mm
800 mm
Track Gauge
2380 mm
2580  mm
Track Length on Ground
3650 mm
3845  mm
Ground Clearance
450 mm
440 mm
Tail Swing Radius
1676 mm
2940 mm
Undercarriage Type
Crawler — steel tracks
Crawler – Steel Tracks

Steering & Brakes

Overall Length
9570 mm
9705 mm
Overall Width
2800 mm
2980 mm
Overall Height
3250 mm
3045 mm
Cab Height
3250 mm
3045 mm
Boom Height
3.300 m
2.983 m
Track Width
600 mm
440 mm

Performances

Travel Speed
10 km/h
4.2 km/h
Swing Speed
10 rpm
12.4 rpm
Gradeability
27 %
70 %
Drawbar Pull
150 kN
178 kN

Bucket And Attachments

Bucket Capacity
1 Cu.m
1.4 Cu.m
Bucket Options
0.8
0.8
Attachment Compatibility
Breaker, Auger, Grapple (with auxiliary hydraulics)
Breaker, Auger, Grapple (implied class)

Cabin And Controls

Cabin AC
Yes
Yes
Display Type
8 LCD Touch Screen
LCD Monitor
Joystick Controls
Yes
Yes
Seat Type
Suspension Seat
Suspension seat
Noise Level
70 dB(A)
76 dB(A)
Safety Features
-
-

Electrical System

Battery
2X12 V
2x12 V
Alternator Output
100 A
89 A
Lighting Type
LED
LED

Additional Features

Auto Idle
Yes
Yes
Eco Mode
Yes
Yes
Telematics
No
Yes
Diagnostic System
Yes
Yes

CAT 321

like

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

Komatsu PC 225 LC

like

Pros

  • The ~165 HP engine provides solid torque and power for deep-digging and medium to heavy excavation works such as foundation, quarrying, trenching, and loading.
  • Komatsu excavators are known globally for robust build quality, longevity, and reliability in tough jobsite conditions.
  • Modern cabins (air-conditioned, ergonomic controls) reduce operator fatigue and improve productivity on long shifts.