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HYUNDAI Robex 140LC-9V VS LiuGong 921 Di Comparison

HYUNDAI Robex 140LC-9V

HYUNDAI Robex 140LC-9V

₹ 48 L - 50 L

LiuGong 921 Di

LiuGong 921 Di

₹ 54 L - 56 L

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HYUNDAI Robex 140LC-9V

HYUNDAI Robex 140LC-9V

48L

LiuGong 921 Di

LiuGong 921 Di

54L

Engine

Model
Kirloskar 4R1040T
Cummins 6BT5.9‑C140
Gross Power
78 kw
170 kw
Net Power
78 kw
170 kw
Engine Power
105 HP
140 HP
Engine Displacement
4700 cc
5900 cc
Number Of Cylinders
4 Nos
6 Nos
Rated RPM
2200 rpm
2000 rpm
Emission Standard
BS IV
BS III
Max Torque
350 Nm
614 Nm
Fuel Type
Diesel
Diesel

Operating Weight

Operating Weight
13300 kg
21000 kg
Machine Weight
13300 kg
21000 kg
Counter Weight
4200 kg
5341 kg
Ground Pressure
48 kg
45 kg

Hydraulic System

Main Pump Type
Variable displacement axial piston pumps (common in Hyundai series)
Variable displacement piston pumps
Maximum Hydraulic Flow
112 L/min
210 L/min
Maximum System Pressure
350 bar
343 bar
Hydraulic Oil Capacity
210 litres
330 litres
Auxiliary Hydraulic Flow
124 L/min
230 L/min

Working Range

Max Digging Depth
5500 mm
5875 mm
Max Vertical Wall Digging Depth
6400 mm
4578 mm
Max Reach at Ground Level
9800 mm
9256 mm
Max Dumping Height
7000 mm
6798 mm
Max Cutting Height
9800 mm
5661 mm
Boom Length
5.600 m
5.412 m
Arm Length
2900 mm
2800 mm
Bucket Breakout Force
155 kN
159 kN
Arm Tear-out Force
103 kN
113 kN

Capacities

Fuel Tank Capacity
270 litres
412 litres
Hydraulic Tank Capacity
124 litres
230 litres
Cooling System Capacity
15.5 litres
30 litres
Engine Oil Capacity
11 litres
25 litres
Swing Drive Oil Capacity
7 litres
7 litres
Final Drive Gear Oil Capacity
6 litres
5 litres

Under Carriage

Track Shoe Width
600 mm
600 mm
Track Gauge
2000 mm
2200 mm
Track Length on Ground
3750  mm
4170 mm
Ground Clearance
440 mm
440 mm
Tail Swing Radius
2330 mm
2860 mm
Undercarriage Type
Tracked undercarriage with standard steel triple‑grouser track shoes and hydraulically‑assisted/grease‑tensioned adjustment – typical crawler configuration for medium excavators.
Tracked/Crawler undercarriage

Steering & Brakes

Overall Length
7,850 mm
9712 mm
Overall Width
2900 mm
2800 mm
Overall Height
3050 mm
3050 mm
Cab Height
3200 mm
5431 mm
Boom Height
3.500 m
3.500 m
Track Width
600 mm
600 mm

Performances

Travel Speed
5.2 km/h
5.3 km/h
Swing Speed
11 rpm
12 rpm
Gradeability
70 %
70 %
Drawbar Pull
200 kN
210 kN

Bucket And Attachments

Bucket Capacity
0.72 Cu.m
0.95 Cu.m
Bucket Options
Standard construction buckets (varies by application and region)
0.85 - 0.95
Attachment Compatibility
Auxiliary hydraulic for breakers/augers
Breaker/grapple/powertilt

Cabin And Controls

Cabin AC
Yes
Yes
Display Type
Basic digital monitor (model dependent)
Digital/analog combo (basic)
Joystick Controls
Yes
Yes
Seat Type
Adjustable operator seat
Operator seat with suspension
Noise Level
72 dB(A)
76 dB(A)
Safety Features
-
-

Electrical System

Battery
12 V
24 V
Alternator Output
80 A
80 A
Lighting Type
LED
LED

Additional Features

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

HYUNDAI Robex 140LC-9V

like

Pros

  • Strong Performance & Power
  • Operator Comfort & Controls
  • Built‑in Durability

LiuGong 921 Di

like

Pros

  • Offers respectable digging depth (~5.9 m) and horizontal reach (~9.2 m), making it suitable for medium‑sized construction and earthmoving tasks like trenching, foundation work, and site prep.
  • The boom and reach balance enables both digging and loading without needing heavy long‑reach modifications.
  • Compared with heavier or lighter models, the 921Di’s boom reach fits well in the 20‑22 t excavator segment