Model WA430-6
Type Wheel Loader
Operating Weight With ROPS Cabin 18 290 kg
Bucket Capacity: 3.5 m3
Max. Engine Output 172 kW
Brand Komatsu
Country of Manufacture Japan
Location Viet Nam


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máy xúc lật Komatsu WA430-6
máy xúc lật Komatsu WA430-6
máy xúc lật Komatsu WA430-6


Model Komatsu SAA6D114E-3
Type Water-cooled, 4-cycle
Aspiration Turbocharged, aftercooled
Number of cylinders 6
Bore x stroke 114 mm x 135 mm
SAE J1995, gross kW (HP) 173 (232) at 2 100 rpm
SAE J1349/ISO 9249, net kW (HP) 172 (231) at 2 100 rpm
Governor All-speed, electronic
Fan drive method for radiator cooling Hydraulic
Lubrication system:    
Method Gear pump, force-lubrication
Filter Full-flow type
Piston displacement L 8.27
Air cleaner  Dry type with double elements and dust evacuator, plus dust indicator
Drive system Four-wheel drive
Front Fixed, semi-floating
Rear Center-pin support, semi-floating, 24˚ total oscillation
Reduction gear Spiral bevel gear
Differential gear Torque proportioning
Final reduction gear Planetary gear, single reduction
Service brakes Hydraulically actuated, wet multiple-disc brakes actuate on four wheels
Parking brake Wet disc brake
Secondary brake Parking brake is commonly used
Type Articulated type, full-hydraulic power steering
Steering angle 35˚ each direction (40˚ end stop)
Minimum turning radius at the center of outside tire 6 335 mm
Control positions: Boom - Raise, hold, lower, and float
Control positions: Bucket - Tilt-back, hold, and dump
Hydraulic pump (Steering system) Gear type pump
Capacity L/min 137
Relief valve setting MPa 24.5
Hydraulic cylinders    
Type Double-acting, piston type
Bore x stroke 75 mm x 442 mm
Hydraulic pump (Loader control) Piston pump
Capacity L/min 205
Relief valve setting MPa 31.4
Hydraulic cylinders    
Type Double-acting, piston type
Number of cylinders-bore x stroke

Lift cylinder: 2 - 130 mm x 776 mm

Bucket cylinder: 1 - 160 mm x 535 mm

Control valve 2-spool type
Hydraulic cycle time (Rated load in bucket)    
Raise s 6.1
Dump s 2.0
Lower (Empty) s 3.3
Fuel tank L 325
Cooling system L 32
Engine L 30
Torque converter and transmission L 54
Axle front L 49
Axle rear L 40
Hydraulic system L 139




máy xúc lật Komatsu WA150-6






máy xúc lật Komatsu WA430-6


High Performance SAA6D114E-3 Engine


Electronic Heavy Duty Common Rail fuel injection system provides optimum combustion of fuel. This system also provides fast throttle response to match the machine’s powerful tractive effort and fast hydraulic response. Net: 172 kW 231 HP


Low Emission Engine


This engine is EPA Tier 3 and EU Stage 3A emissions certified, without sacrificing power or machine productivity.


Low Fuel Consumption


The fuel consumption is reduced greatly because of the low-noise, high-torque engine and the large-capacity torque converter with maximum efficiency in the low-speed range.


Dual-mode Engine Power Select System


This wheel loader offers two selectable operating modes E and P. The operator can adjust the machine’s performance with the selection switch.


- E Mode: This mode provides maximum fuel efficiency for most of general loading.


- P Mode: This mode provides maximum power output for hard digging operation or hill climb


máy xúc lật Komatsu WA380-6


Automatic Transmission with Mode Select System


This operator controlled system allows the operator to select manual shifting or two levels of automatic shifting (low, and high). Auto L mode is for fuel saving operation with the gear shift timing set at lower speeds than Auto H mode. Therefore Auto L mode keeps the engine run in a relatively low rpms range for fuel conservation while yielding adequate tractive force by depressing the accelerator pedal.


Large-capacity Torque Converter


Newly designed drive train has a large-capacity torque converter for optimal efficiency. The WA430-6 has plenty of acceleration and it can achieve high travel speeds, even on grades. This significantly assists productivity and also delivers great value for load-and-carry operations.


Variable Displacement Piston Pump & CLSS


New design variable displacement piston pump combined with the Closed-center Load Sensing System delivers hydraulic flow just as the job requires preventing wasting hydraulic pressure. Minimized waste loss contributes to better fuel economy.


- New Variable Displacement Piston Pump: The pump delivers only necessary amounts minimizing waste loss.


- Fixed Displacement Piston Pump: The pump delivers the maximum amount at any time and the unused flow is disposed.


máy xúc lật Komatsu WA380-6

Maximum Dumping Clearance and Reach


The long lift arms provide high dumping clearances andmaximum dumping reach. The operator can even level loads on  the body of a dump truck easily and efficiently.


- Dumping Clearance: 3020 mm.


- Dumping Reach: 1190 mm (3.5 m3 4.6 yd3 bucket with B.O.C.)




máy xúc lật Komatsu WA380-6


máy xúc lật Komatsu WA380-6


Komatsu Components


Komatsu manufactures the engine, torque converter, transmission, hydraulic units, electric parts, and even each bolt on Komatsu WA430-6 wheel loader. Komatsu loaders are manufactured with an integrated production system under a strict quality control system.


Wet Multi-disc Brakes and Fully Hydraulic Braking System mean lower maintenance costs and higher reliability. Wet disc brakes are fully sealed. Contaminants are kept out, reducing wear and resulting maintenance. Brakes require no adjustments for wear, meaning even lower maintenance. The new parking brake is also an adjustment-free, wet multi-disc for high reliability and long life.


Added reliability is designed into the braking system by the use of two independent hydraulic circuits. Provides hydraulic backup should one of the circuits fail. Fully hydraulic brakes mean no air system to bleed, or the condensation of water in the system that can lead to contamination, corrosion, and freezing.


High-rigidity Frames and Loader Linkage


The front and rear frames and the loader linkage have got more torsional rigidity to secure resistance against stresses increased due to the use of a larger bucket. Frame and loader linkage are designed to accommodate actual working loads, and simulated computer testing proves its strength.


Flat Face-to-face O-ring Seals


Flat face-to-face O-ring seals are used to securely seal hydraulic hose connections and to prevent oil leakage. In addition, buffer rings are installed to the head side of the all-hydraulic cylinders to lower the load on the rod seals and maximize the reliability.


Cation Electrodeposition Primer Paint/ Powder Coating Final Paint


Cation electrodeposition paint is applied as a primer paint and powder coating is applied as topcoat to the exterior metal sheet parts. This process results in a beautiful rust-free machine, even in the most severe
environments. Some external parts are made of plastic providing long life and high impact resistance.


Sealed DT Connectors


Main harnesses and controller connectors are equipped with sealed DT connectors providing high reliability, water resistance and dust resistance.




máy xúc lật Komatsu WA380-6


máy xúc lật Komatsu WA380-6


Automatic Transmission with ECMV


Automatic transmission with ECMV automatically selects the proper gear speed based on travel speed, engine speed, and other travel conditions. The ECMV (Electronically Controlled Modulation Valve) system engages the clutch smoothly to prevent lags and shocks when shifting. This system provides efficient machine operation and a comfortable ride.


- Kick-down switch: Consider this valuable feature for added productivity. With the touch of a finger, the kick-down switch automatically downshifts from second to first when beginning the digging cycle. It automatically upshifts from first to second when the direction control lever is placed in reverse. This results in increased rim pull for better bucket penetration and reduced cycle times for higher productivity.


- One push power-up function: The kick-down switch also functions as a power-up switch in first gear. The first time the kick-down switch is depressed it functions as a kick-down switch and gear speed is reduced. When the machine is in E operation mode and first gear, pressing the kick-down switch a second time changes the operation mode to P allowing increased power for heavy digging operation. The operation mode returns to E when machine gear speed changes or direction changes to reverse.


- Hold switch: Auto shift is selected and if the operator turns on this switch when the lever is at the 3rd or 4th gear speed position, the transmission is fixed to that gear speed.


Electronically Controlled Transmission Lever


Easy shifting and directional changes with Komatsu two-lever electronic shifting. Change direction or shift gears with a touch of the fingers without removing the shifting hand from the steering wheel. Solid state electronics and conveniently located direction and gear shift controls make this possible. Automatic shifts in ranges two through four keep production high and manual shifting at a minimum.


Variable Transmission Cut-off System


The operator can continuously adjust the transmission cut-off pressure desired for the left brake pedal using switch located on the right-side control panel. The operator can improve the working performance by setting the cut-off pressure properly depending on working condition.


- High cut-off pressure for digging operations.


- Low cut-off pressure for truck-loading operations.


Fingertip Work Equipment Control Levers with Large Size Arm Rest


New PPC control levers are used for the work equipment. The operator can easily operate the work equipment with fingertip control, reducing operator fatigue and increasing controllability. The large size arm rest can be adjusted up or down to provide the operator with a variety of comfortable operating positions.


Tilt Steering Column


The operator can tilt the steering column to provide a comfortable working position.


Pillar-less Large Cab


A wide pillar-less flat glass provides excellent front visibility. The wiper arm covers a large area to provide great visibility even on rainy days. The cab area is the largest in its class providing maximum space for the operator. Increased seat reclining and slide adjustment to backward by introducing front mounted air conditioner unit. The large cab is mounted with Komatsu’s unique ROPS/FOPS viscous mounts. The hydraulically driven fan, and hydraulic pumps are mounted with rubber cushions, and the cab sealing is improved to provide a quiet, low-vibration, dustproof with pressurizing, and comfortable operating environment.


Rear-hinged Full Open Cab Doors


The cab door hinges are installed to the rear side of the cab providing a large opening angle for the operator to enter and exit. The steps are designed like a staircase, so that the operator can get on and off the cab easily




máy xúc lật Komatsu WA380-6


máy xúc lật Komatsu WA380-6


EMMS (Equipment Management Monitoring System)


Monitor is mounted in front of the operator for easy view, allowing the operator to easily check gauges and warning lights. A specially designed two-spoke steering wheel allows the operator to easily see the instrument panel.


Maintenance Control and Troubleshooting Functions


- Action code display function: If the loader has any troubles, the monitor displays action details on the character display at the center bottom of the monitor.


- Monitor function: Controller monitors engine oil level, pressure, coolant temperature, air cleaner clogging, etc. If controller finds abnormalities, all of these are displayed on LCD.


- Replacement time notice function: Monitor informs replacement time of oil and filters on LCD when it reaches replacement intervals.


- Trouble data memory function: Monitor stores abnormalities for effective troubleshooting.


Engine Side Doors Open Wide


The operator can open and close each engine side door easily with the assistance of a gas spring to perform daily service checks from the ground.




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.


máy xúc lật Komatsu WA150-6


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


máy xúc lật Komatsu WA150-6


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.


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