D21A-8E0 / D21P-8E0


Model D21A-8E0 / D21P-8E0
Engine Komatsu 4D94LE-2, 32.4 kW (43.4 HP) at 2 450 rpm
Operation Weight  D21A-8E0: 3 710 kg
D21P-8E0: 4 100 kg 
Emission standard U.S. EPA Tier 3 / EU Stage 3A
Brand Komatsu
Manufacture Japan
Location Viet Nam
Contact 0906 702 060 (Mr Tuyen)


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máy ủi Komatsu D21




Fuel-efficient 4D94LE-2 Engine


The Komatsu 4D94LE-2 features a direct-injection fuel system. Intake air is swirled into the combustion chamber where it is mixed with injected, atomized fuel, providing optimum combustion. This fuel system not only contributes to greater power and fuel savings, but also insures reduced noise and cleaner exhaust. A cushion mounted engine reduces noise and vibration.


Efficient HYDROSHIFT Transmission


Komatsu D21-8E0 is equipped with Komatsu's unique HYDROSHIFT transmission, assuring smooth gear shifts, powerful traction and low fuel consumption. It consists of a damper and planetary gear packs. The HYDROSHIFT transmission makes two previously incompatible factors compatible: It efficiently converts engine power to traction with minimal power loss through a direct-drive transmission and it offers smooth, easy shifting through powershift transmission equipped with a torque converter. Unlike ordinary powershift transmissions with torque converters, traction does not decrease, even when the engine is running at partial throttle.


Simplified Maintenance


Spin-on type filters are used throughout the machine, making it easy to replace filter elements. Air cleaner with automatic evacuator extends cleaning interval of the air cleaner.


Automatic De-airation System with Electric Feed Pump


Ejects air in the fuel system, simply turning on the ignition key when restarting the engine.


Long Track


The long track and well-positioned center of gravity give good machine balance and make grading operations and operations on slopes easy. In addition, the machine can travel over soft ground easily, and it can escape from muddy areas without problem.


Lifetime Lubricated Idlers and Track Rollers


The D21-8E0 undercarriage features longer life and reduced maintenance costs with sealed track links, and lifetime lubricated idlers and track rollers. These eliminate any periodical greasing for simplified maintenance and minimize internal pin and bushing wear for longer service life.


Lubricated Track Links (optional)


Since the clearance between the link pin and bushing is lubricated, wear and pitch elongation are minimized for extended service life. With lubricated track, power loss due to pin and bushing friction are reduced, increasing operation comfort and performance.


máy ủi Komatsu D21




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Responsive Operation


A single joystick on the left controls all speed and directional changes including:


- 1st to 2nd


- Forward and reverse


- Right and left steering


A single joystick on the right controls all blade functions including:


- Lifting


- Angling


- Tilting


This left and right joystick system offers unparalleled control for shorter cycle times.


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Single-lever Steering/ Speed/ Directional Change


All the directional changes are carried out with single lever, ensuring smooth turn and superior productivity.


Easy-to-see Instrument Panel


Ergonomically arranged meters and lamps make it easier to check the machine condition. In addition, fuel meter and dust indicator lamp installed on the panel for easy servicing.


Walk-through Operator's Compartment


The operator's compartment has a complete walk-through design, making for easy getting on and off.




máy xúc lật Komatsu WA150-6


Komatsu Total Support


To keep your machine available and minimize operation cost when you need it, Komatsu Distributor is ready to provide a variety of supports before and after procuring the machine.


Fleet recommendation


Komatsu Distributor can study the customer’s job site and provide the most optimum fleet recommendation with detailed information to meet all of your application needs when you are considering to buy new machines or replace the existing ones from Komatsu


Product support


Komatsu Distributor gives the proactive support and secures the quality of the machinery that will be delivered.


Parts availability


Komatsu Distributor is available for emergency inquiry by the customers for genuine, quality guaranteed Komatsu parts.


Technical support


Komatsu product support service (Technical support) is designed to help customer. Komatsu Distributor offers a variety of effective services to show how much Komatsu is dedicated to the maintenance and support of Komatsu machine.


- Preventive Maintenance (PM) clinic


- Oil & Wear analysis program


Repair & maintenance service


Komatsu Distributor offers quality repair and maintenance service to the customer, utilizing and promoting Komatsu developed programs.


Komatsu Reman (Remanufactured) components


Komatsu Reman products are the result of the implementation of the Komatsu global policy which establishes and agrees to reduce the owning, operating and total Life Cycle Costs (LCC) to Komatsu’s customer through high quality, prompt delivery and competitively priced in own remanufactured products (QDC)




The Komatsu remote monitoring and management technology provides insightful data about your equipment and fleet in user-friendly format.


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Energy Saving Operation Report


KOMTRAX delivers the energy-saving operation report based on the operating information such as fuel consumption, load summary and idling time, which helps you efficiently run a business.


Equipment Management Support


Through the web application, a variety of search parameters are available to quickly find information about specific machines based on key factors. Moreover, KOMTRAX finds out machines with problems from your fleet and shows you through an optimal interface


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Optimal Strategy for Efficient Work


The detailed information that KOMTRAX puts at your fingertips helps you manage your fleet conveniently on the web anytime, anywhere. It gives you the power to make better daily and long-term strategic decisions.




máy ủi Komatsu D21


máy ủi Komatsu D21


máy ủi Komatsu D21


máy ủi Komatsu D21




300 mm 11.8" single-grouser shoes (D21A-8E0), 510 mm 20.1" circular-arc shoes (D21P-8E0) Dry-type air cleaner with automatic dust evacuator and dust indicator lamp
12 V, 40 A alternator 12 V, 2.3 kW electric starting motor
End track guiding guards Inching pedal
In-line radiator cores Dry-type, interconnected steering clutches and brakes
Hydraulic track adjusters 12 V, 64 Ah (5 hrs rate capacity) batteries
5-roller track frames Lighting system (including 2 front and 1 rear lights)
Blower fan Muffler
Adjustable operator's seat Crankcase guard
Single-lever steering  Single-lever hydraulic control


Front pull hook Swing drawbar
Hitch type drawbar Pre-cleaner
F3-R3 Transmission Perforated radiator mask
Oil-suspension seat Track-roller guards, full length
Backup alarm Lubricated track links
Tool kit and ordinary spare parts Vandalism protection locks



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