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CAT 2021D VS CAT 973K Comparison
CAT 2021D
N/A
VS
CAT 973K
N/A
CAT 2021D
₹25L
CAT 973K
₹200L
Compare wheel loader helps you make an informed purchase decision.
CAT 2021D
From ₹ 25 Lakh
CAT 973K
From ₹ 200 Lakh
Engine
Model
Hindustan 2021D
Cat C9.3
Model
Hindustan 2021D
Cat C9.3
Engine Make
Caterpillar Inc. / Hindustan Diesel Engines
Caterpillar
Engine Make
Caterpillar Inc. / Hindustan Diesel Engines
Caterpillar
Engine Type
Turbocharged diesel
Diesel, turbocharged
Engine Type
Turbocharged diesel
Diesel, turbocharged
Gross Power
99 HP
205 HP
Gross Power
99 HP
205 HP
Net Power
98 HP
205 HP
Net Power
98 HP
205 HP
Engine Power
133 HP
274 HP
Engine Power
133 HP
274 HP
Engine Displacement
4130 L
10500 L
Engine Displacement
4130 L
10500 L
Number Of Cylinders
6 nos
6 nos
Number Of Cylinders
6 nos
6 nos
Rated RPM
2200 rpm
1800 rpm
Rated RPM
2200 rpm
1800 rpm
Aspiration
Turbocharged
Turbocharged & aftercooled
Aspiration
Turbocharged
Turbocharged & aftercooled
Emission Standard
BS III
Tier 4 Final
Emission Standard
BS III
Tier 4 Final
Max Torque
475 Nm
1300 Nm
Max Torque
475 Nm
1300 Nm
Fuel Type
Diesel
Diesel
Fuel Type
Diesel
Diesel
Power Train
Transmission Type
Powershift with hydraulic control
Hydrostatic or planetary powershift
Transmission Type
Powershift with hydraulic control
Hydrostatic or planetary powershift
Drive Type
4WD
4WD
Drive Type
4WD
4WD
Torque Converter Type
Standard single-stage
Integrated hydrostatic drive
Torque Converter Type
Standard single-stage
Integrated hydrostatic drive
Gear Box Type
Powershift
EHC with travel
Gear Box Type
Powershift
EHC with travel
Differential Type
Open differential
NA
Differential Type
Open differential
NA
Hydraulic System
System Type
Open center hydraulic system
Load sensing variable displacement
System Type
Open center hydraulic system
Load sensing variable displacement
Pump Type
Gear pump
Variable displacement piston
Pump Type
Gear pump
Variable displacement piston
Max Pump Flow
180 L/min
210 L/min
Max Pump Flow
180 L/min
210 L/min
System Pressure
210 bar
250 bar
System Pressure
210 bar
250 bar
Implement Maximum Flow
220 L/min
189 L/min
Implement Maximum Flow
220 L/min
189 L/min
Implement Operating Pressure
250 bar
250 bar
Implement Operating Pressure
250 bar
250 bar
Brakes & Steering
Service Brake Type
Hydraulic disc
Hydrostatic braking via transmission
Service Brake Type
Hydraulic disc
Hydrostatic braking via transmission
Parking Brake Type
Spring applied / manual
Spring‑applied multi‑disc
Parking Brake Type
Spring applied / manual
Spring‑applied multi‑disc
Steering Type
Spring applied / manual
Differential steering via hydrostatic control
Steering Type
Spring applied / manual
Differential steering via hydrostatic control
Steering Angle
40 deg
38 deg
Steering Angle
40 deg
38 deg
Axle & Final Drive
Front Axle Type
Fixed heavy-duty
NA
Front Axle Type
Fixed heavy-duty
NA
Rear Axle Type
Oscillating
NA
Rear Axle Type
Oscillating
NA
Oscillation Angle
10 deg
10 deg
Oscillation Angle
10 deg
10 deg
Final Drive Type
Planetary reduction drives
hydrostatic track
Final Drive Type
Planetary reduction drives
hydrostatic track
Speed
Top Forward Speed
25 km/h
11 km/h
Top Forward Speed
25 km/h
11 km/h
Top Reverse Speed
20 km/h
10 km/h
Top Reverse Speed
20 km/h
10 km/h
Dimensions
Overall Length
7500 mm
7496 mm
Overall Length
7500 mm
7496 mm
Overall Width
2500 mm
2385 mm
Overall Width
2500 mm
2385 mm
Overall Height
3300 mm
3510 mm
Overall Height
3300 mm
3510 mm
Height Over Cab
3300 mm
3510 mm
Height Over Cab
3300 mm
3510 mm
Height Over Exhaust
3200 mm
3510 mm
Height Over Exhaust
3200 mm
3510 mm
Wheel Base
3000 mm
N/A mm
Wheel Base
3000 mm
N/A mm
Minimum Ground Clearance
350 mm
456 mm
Minimum Ground Clearance
350 mm
456 mm
Width Over Tyres
2300 mm
2390 mm
Width Over Tyres
2300 mm
2390 mm
Wheel Tread
2100 mm
2160 mm
Wheel Tread
2100 mm
2160 mm
Turning Radius Over Tyres
5800 mm
6800 mm
Turning Radius Over Tyres
5800 mm
6800 mm
Turning Radius Over Bucket
6200 mm
7665 mm
Turning Radius Over Bucket
6200 mm
7665 mm
Tyre Size
20.5–23.5 R25
NA
Tyre Size
20.5–23.5 R25
NA
Performance
Bucket Capacity
3 Cu.m
3.2 Cu.m
Bucket Capacity
3 Cu.m
3.2 Cu.m
Bucket Width
2200 mm
2982 mm
Bucket Width
2200 mm
2982 mm
Payload
3600 kg
28892 kg
Payload
3600 kg
28892 kg
Static Tipping Load
7000 kg
NA kg
Static Tipping Load
7000 kg
NA kg
Tipping Load Full Turn
6423 kg
NA kg
Tipping Load Full Turn
6423 kg
NA kg
Max Breakout Force
110 kN
213 kN
Max Breakout Force
110 kN
213 kN
Dump Height
3800 mm
2900 mm
Dump Height
3800 mm
2900 mm
Dumping Reach
1000 mm
1100 mm
Dumping Reach
1000 mm
1100 mm
Max Dump Angle
45 deg
50 deg
Max Dump Angle
45 deg
50 deg
Bucket Rollback Angle (Ground)
40 deg
60 deg
Bucket Rollback Angle (Ground)
40 deg
60 deg
Bucket Rollback Angle (Carry)
45 deg
45 deg
Bucket Rollback Angle (Carry)
45 deg
45 deg
Bucket Rollback Angle (Full Height)
55 deg
60 deg
Bucket Rollback Angle (Full Height)
55 deg
60 deg
Max Hinge Pin Height
4200 mm
4218 mm
Max Hinge Pin Height
4200 mm
4218 mm
Max Digging Depth
150 mm
120 mm
Max Digging Depth
150 mm
120 mm
Service Refill Capacities
Bucket Capacity
3
3.2
Bucket Capacity
3
3.2
Bucket Width
2200
2982
Bucket Width
2200
2982
Cabin & Controls
ROPS & FOPS Cabin
Yes
Yes
ROPS & FOPS Cabin
Yes
Yes
AC Cabin
Yes
Yes
AC Cabin
Yes
Yes
Display Type
Analog + basic digital display
Electronic with gauges
Display Type
Analog + basic digital display
Electronic with gauges
Seat Type
Adjustable suspension seat
Suspension seat
Seat Type
Adjustable suspension seat
Suspension seat
Joystick Controls
Yes
Yes
Joystick Controls
Yes
Yes
Noise Level
80 db(A)
76 db(A)
Noise Level
80 db(A)
76 db(A)
Electrical System
Battery
12 V/Ah
24 V/Ah
Battery
12 V/Ah
24 V/Ah
Alternator Output
70 A
70 A
Alternator Output
70 A
70 A
Lighting Type
Halogen
Halogen
Lighting Type
Halogen
Halogen
Additional Features
Auto Idle
Yes
Yes
Auto Idle
Yes
Yes
Eco Mode
No
Yes
Eco Mode
No
Yes
GPS & Telematics
Yes
Yes
GPS & Telematics
Yes
Yes
Remote Diagnostics
No
Yes
Remote Diagnostics
No
Yes
Warranty
2000 Hours
2000 Hours
Warranty
2000 Hours
2000 Hours
CAT 2021D
Pros
- Powerful 133 HP engine suitable for heavy loading tasks.
- High tipping load (6423 kg) allows efficient material handling.
- Reliable powershift transmission for smooth operation.
CAT 973K
Pros
- 275 HP Cat C9.3 engine delivers strong drawbar pull and bucket breakout for demanding work.
- Nearly 29 tonnes operating weight gives excellent traction and stability on slopes/uneven ground.
- Supports a range from 3.2 m³ GP to 4.9 m³ landfill bucket — versatile for different materials.
