Model WA500-6R
Type Wheel Loader
Operating Weight With ROPS Cabin 33 150 - 34 470 kg
Bucket Capacity: 4.3 - 5.6 m3
Max. Engine Output 263 kW
Brand Komatsu
Country of Manufacture Japan
Location Viet Nam


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máy xúc lật Komatsu WA500-6R
máy xúc lật Komatsu WA500-6R
máy xúc lật Komatsu WA500-6R
máy xúc lật Komatsu WA500-6R


Model Komatsu SAA6D140E-5
Type Water-cooled, 4-cycle
Aspiration Turbocharged, aftercooled
Number of cylinders 6
Bore x stroke 140 mm x 165 mm
SAE J1995, gross kW (HP) 266 (357) at 1 900 rpm
SAE J1349/ISO 9249, net kW (HP) 263 (353) at 1 900 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 15.4
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 Conventional type
Final reduction gear Planetary gear, single reduction
Service brakes Hydraulically actuated, wet multiple-disc brakes actuate on four wheels
Parking brake Wet multiple-disc brake
Secondary brake Parking brake is commonly used
Type Articulated type, full-hydraulic power steering
Steering angle 40˚ each direction
Minimum turning radius at the center of outside tire 6 430 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 120
Relief valve setting MPa 24.5
Hydraulic cylinders    
Type Double-acting, piston type
Bore x stroke 100 mm x 486 mm
Hydraulic pump (Loader control) Piston pump
Capacity L/min 320
Relief valve setting MPa 34.3
Hydraulic cylinders    
Type Double-acting, piston type
Number of cylinders-bore x stroke

Lift cylinder: 2 - 160 mm x 898 mm

Bucket cylinder: 1 - 185 mm x 675 mm

Control valve 2-spool type
Hydraulic cycle time (Rated load in bucket)    
Raise s 7.2
Dump s 1.7
Lower (Empty) s 4.2
Fuel tank L 473
Cooling system L 120
Engine L 45
Torque converter and transmission L 76
Axle front L 87
Axle rear L 81
Hydraulic system L 337




máy xúc lật Komatsu WA150-6






máy xúc lật Komatsu WA500-6R


Precision Control with Closed-center Load Sensing System (CLSS) Hydraulics


Komatsu WA500-6 wheel loader features variable-displacement pumps on both the hydraulic and steering systems. These pumps deliver the exact amount of oil required, dramatically improving fuel efficiency. Komatsu’s Closed-center load sensing system (CLSS) hydraulics enables extremely precise control of the working gear, and ensures that the bucket, boom and hydraulically driven attachments can all move smoothly at the same time.


máy xúc lật Komatsu WA500-6R


Faster Travel & Lower Fuel Consumption


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 general loading.


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


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 in a relatively low rpm range for fuel conservation while yielding adequate tractive force by depressing the accelerator pedal.


Advanced Power Train


The newly designed Komatsu power train features a large capacity torque converter for maximum efficiency and unparalleled rimpull to weight ratio. The outstanding rimpull at low speeds makes child’s play of heavy job like penetrating blasted rock. This ensures higher productivity in V-shaped loading - even in confi ned spaces. With plenty of acceleration and high travel speeds (even on inclines and steep ramps), Komatsu WA500-6R delivers great productivity and value in load & carry operations. Together, the enhanced engine torque and high-capacity torque converter put WA500-6R loader at the top of its class.


Lock-up Torque Converter (optional)


The Komatsu designed lock-up torque converter provides increased production effi ciency, reduced cycle times and optimum fuel savings in load & carry or hill-climb operations. This optional feature allows the operator to activate the system on/off with a switch located on the right-side control panel.


Maximum Dumping Clearance and Reach


Komatsu WA500 enables loading onto 32 t (40 Short ton) with the standard spec whereas WA500-6R necessitates the high lift boom with the 4.5 m3 bucket for it. Operator can get good visibility because of high his eye point.


Long Wheelbase/Articulation Angle of 40˚


The widest tread in class and the long wheelbase provide improved machine stability in both longitudinal and lateral directions. Since the articulation angle is 40˚, the operator can work efficiently even in the tightest job sites.


- Tread: 2400 mm.


- Wheelbase: 3780 mm


- Minimum turning radius (center of outside tire): 6430 mm




máy xúc lật Komatsu WA500-6R


Komatsu Designed Components


Komatsu develops and manufactures the hydraulic pumps and valves, front and rear axles, engine, transmission and torque converter itself. All the components are subject to the highest engineering and quality standards - right down to the smallest screw. They are all designed to work together perfectly for maximum efficiency and reliability


Newly developed transmission


The Komatsu planetary transmission with electronically controlled automatic shifting ensures a perfect gear change every time. Based on the travel speed, the engine speed and the angle of the accelerator pedal,
the system calculates the ideal shifting point to keep the engine in an economical operating range and ensures a smooth gear shift This guarantees maximum productivity with minimall effort, allowing the operator to concentrate on the job at hand.


Durable, heavy-duty axles


A new development, the heavy-duty axles enable an above-average service life even under the toughest working conditions. Komatsu WA500-6R wheel loader can also be equipped with optional multi-disc, limited-slip differentials for even greater tractive force.


máy xúc lật Komatsu WA500-6R


Komatsu Developed Engine


Komatsu SAA6D140E-5 engine with high pressure common rail injection delivers ample power in a fuel efficient way. The engine meets EU Stage II and EPA Tier II emissions regulations. WA500-6R’s Komatsu SAA6D140E-5 engine features higher torque, better performance at low speed, excellent throttle response and advanced electronics.


High Pressure Common Rail (HPCR) fuel injection system


A high pressure pump pumps fuel into “Common Rail”. An Electronic Control Unit (ECU) then optimizes fuel injection from the common rail into the engine cylinders. This improves engine power and fuel efficiency, reducing noise levels.


High-rigidity Frames and Loader Linkage


The front and rear frames and the loader linkage have more torsional rigidity to secure resistance against increased stress 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.


Wet Multiple-disc Brakes and Fully Hydraulic Braking System


Fully sealed wet multiple-disc brakes exert great performance even in the puddles and on soft ground. Added reliability is designed into the two independent braking system with the fully hydraulic circuits. Provides hydraulic backup should one of the circuit fail. There is neither air system to bleed, nor the condensation of water in the system that can lead to contamination, corrosion and freezing.


Reliable Hydraulic Line


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.


Buffer rings


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.


Sealed Connectors


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




The largest in its class, the space cab offers exceptional driver’s comfort - comparable to a passenger car. The large, frameless window gives an unobstructed view of the bucket and tires while the slanted rear end ensures a clear view to the rear. The low-noise designed cab with the air-cushioned seat and the fully adjustable console inside allow the operator to work comfortably and productively over long period.


máy xúc lật Komatsu WA500-6R


Pillar-less Large Cab


A wide pillar-less fl at 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 slide adjustment to backward by introducing front mounted air conditioner unit.


máy xúc lật Komatsu WA500-6R


Low-noise Design


The large cab is mounted with Komatsu’s unique ROPS/ FOPS (ISO 3471/ISO 3449) viscous mounts. The low-noise engine, 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.


Best Position for Comfort


Telescopic/Tilt steering column


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


Ergonomic hydraulic controls and large armrest


The Electronic Pilot Control (EPC) levers offer precise, fatigue-free control of the loading process. The height of and distance to the sliding console and the large armrest can be adjusted for maximum comfort


Automatic Transmission


Automatic transmission with Electronic Controlled Modulation Valve selects automatically the proper gear speed based on travel speed, engine speed and other travel condition. The Electronic Controlled Modulation Valve system engages the clutch smoothly to prevent lags and shocks when shifting, allowing the operator to be released from gear shift operation itself.


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 fi xed to that gear speed.


Kick-down switch


The kick-down switch downshifts to a lower gear when the operator pushes the switch. Gear position is automatically reset when putting the gear into reverse.


One push power-up


The kick-down switch allows to increase power temporally in E mode. In the 1st gear with E mode, pressing the kick-down switch changes the mode to P mode. Useful for heavy digging operation during light application such as Load & Carry operation.


Variable transmission cut-off


The operator can adjust the transmission cut-off connected to the left brake pedal with the switch near the operator’s seat to set the brake/cut-off point for easier operation and higher operating performance in variable operating conditions.


Easy & Simple Operation


Remote boom positioner


The highest and lowest position of the bucket can be set from cab to match any truck body. Once the positioner is set, the bucket is smoothly stopped at desired position with no shock.


Remote bucket digging angle control


The bucket return-to-dig angle can be adjusted by up to 5 degrees in either direction to suit the ground condition.


Automatic boom & bucket kick-out


The kick-out positions can be adjusted from the operator’s seat, stopping lifting and lowing actions smoothly at the desired point so the operator can focus on the job at hand.




Joystick steering


A joystick steering system is available as option equipment, and ensures that steering can be wrist operated easily and conveniently in loading operations. This system allows you to change the direction of travel and gear shifting with push buttons on the joystick. And you may pre-select the steering speed in 2 stages, depending upon whether fast V-loading or precise Load & Carry is required.


Electronically Controlled Suspension System (ECSS)


Electronically Controlled Suspension System uses an accumulator which absorbs some of the shock in the boom arm, giving the operator a much smoother ride. This reduces operator fatigue and reduces material spillage during load and carry operations. Electronically Controlled Suspension System operation is speed sensitive and turned off automatically below 5 km/h speed, meaning that the boom won’t move during stationary digging.




With long service intervals and best-in-class accessibility, Komatsu WA500-6R reduces the time and money you need to suspend on maintenance. A gas spring helps the operator open and close each gull-wing side door for easy daily servicing.


máy xúc lật Komatsu WA500-6R


máy xúc lật Komatsu WA500-6R


Easy Radiator Cleaning


Reversible hydraulic fan


A push-button switch in the cab allows the operator to run the radiator fan in reverse for working in dusty environments.


Swing out fan


The hinged, bolt-on fan can be swung out for easier cleaning. The coolers feature wider spacing of the cooling fins to reduce clogging.


Simple fluid level checks


All important fl uid levels can be easily checked from ground level. Sight gauges for coolant, oil and air cleaner let you check the level at a glance.


Modular radiator core system


The modular radiator core is easy to replace without removing the entire radiator assembly.


máy xúc lật Komatsu WA500-6R


Equipment Management Monitoring System


Monitor is mounted in front of the operator for easy viewing, 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 abnormality occurs, the monitor displays action details on the character display at the bottom center of the monitor.


Monitor function


Controller monitors engine oil level, pressure, coolant temperature, air cleaner clogging, etc. If controller finds abnormalities, the error is displayed on Liquid Crystal Display (LCD).


Replacement time notice function


Monitor informs replacement time of oil and fi lters on LCD when replacement intervals are reached.


Trouble data memory function


Monitor stores abnormalities for effective troubleshooting.


Maintenance Accessibility


Gull-wing type engine side doors open wide


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


Engine compartment


With all fi lters collected into a centralised arrangement, the down time for servicing is reduced to a minimum. The engine air fi lter can be easily accessed from the platform while the transmission oil fi lters are externally mounted.


Easy engine access


For engine inspections, the bolt-on top cover can be removed in minutes providing the easy access to the engine compartment.


External fluid drains


All fl uids can be drained through externally mounted valves for easy maintenance and reduced spillage.




máy xúc lật Komatsu WA500-6R




The ROPS/FOPS Cab is standard for operator’s safety. A wide pillar-less fl at glass provides excellent front visibility, and a heated rear window provides excellent rear visibility in cold and freezing weather conditions.


- ROPS (ISO 3471) : Roll-over Protective Structure


- FOPS (ISO 3449) : Falling Objects Protective Structure


Left or Right Side Cab Entry


The operator can get on and off the machine from either side of the vehicle. This design is convenient when getting on and off in a narrow jobsite or on uneven ground.


Rear-hinged Full Open Cab Door


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.


Safety Features


Secondary steering


If the steering pump is disabled, a secondary steering pump provides hydraulic flow.


Two independent lines brake system


Added reliability is designed into the braking system by the use of two independent hydraulic circuits, providing hydraulic backup should one of the circuits fail.


Battery disconnect switch


The battery disconnect switch is located in the right side battery box. This can be used to disconnect power when performing service work on the machine.




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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