PC228US PC228USLC - Komatsu Ltd.

1 OPTIONAL EQUIPMENT Alternator, 60 Ampere, 24 V Arms 2925 mm9'7" arm assembly Batteries, large capacity Boom, 5700 mm 18'8" Cab accessories Rain visor Sun visor Cab front guard Full height guard Half height guard Heater with defroster Long lubricating intervals for work equip-ment bushing (500 hours) except bucketpin bushings Seat belt, retractable Seat, suspension Service valve Shoes, triple grouser PC228US -3E0: 700 mm 28", 800 mm " PC228 USLC-3E0: 600 mm 24", 800 mm " Track frame undercover Track roller guards (full length)STANDARD EQUIPMENT Air conditioner with defroster Alternator, 35 Ampere, 24 V Anti-slip plates Auto-Decel Automatic de-airation system for fuel line Automatic engine warm-up system Batteries, 110 Ah/2 x 12 V Boom holding valve Cab, OPG top guard level 1 Counterweight Dry type air cleaner, double element Electric horn EMMS monitoring system Engine, Komatsu SAA6D107E-1 Engine overheat prevention system Fan guard structure hydraulic track adjusters (each side)

2 Multi-function color monitor Power maximizing system PPC hydraulic control system Radiator and oil cooler dust proof net Rear reflector Rearview mirrors, RH, LH, rear, sidewise Starting motor, kW/24 V x 1 Suction fan Track guiding guard, center section Track roller PC228US -3E0, 7 each side PC228 USLC-3E0, 9 each side Track shoe PC228US -3E0, 600 mm24" triple grouser PC228 USLC-3E0, 700 mm 28" triplegrouser Travel alarm Working light, 3 (boom and cab) Working mode selection and specifications are subject to change without a trademark of Komatsu Ltd. in Japan 200804 (10)FLYWHEEL HORSEPOWERG ross:116 kW155 HP @ 2000 rpm Net:110 kW148 HP @ 2000 rpm OPERATING WEIGHTPC228US-3E0:21900 22530 kg48,280 49,670 lbPC228 USLC-3E0:22630 23180 kg49,890 51,100 lbPhoto may include optional EXCAVATORHORSEPOWERG ross:116 kW155 HP @ 2000 rpmNet:110 kW148 HP @ 2000 rpmOPERATING WEIGHTPC228US-3E0:21900 22530 kg 48,280 49,670 lbPC228 USLC-3E0:22630 23180 kg 49,890 51,100 lbBUCKET yd3 WALK-AROUNDHYDRAULIC EXCAVATORHYDRAULIC EXCAVATORPC228US-3E0PC228US-3E0032 Ecology and Economy Features Low Emission EngineA powerful, turbocharged and air-to-air aftercooled KomatsuSAA6D107E-1 provides 110 kW148 HP.

3 This engine meets EPA Tier 3and EU stage 3A emissions regulations, without sacrificing power ormachine productivity. Economy mode improves fuel consumption. Low Operation NoiseThe dynamic noise is reduced compared with the PC228US -3,realizing a low noise page Maintenance Long replacement interval of engine oil, engine oil filter, and hydraulic filter Remote mounted engine oil filter and fuel drain valve for easy access Equipped with the fuel pre-filter as standard (with water separator) Side-by-side cooling function enables only the cooling unit to be attached and detached. Equipped with the EMMS monitoring page Features Anti-slip plates for safe work on machine Safety enhancement with large side-view, sidewise, and rearmirrors page is may include optional Operation Excellent safety and operability in tight quarters with smalltail swing radius design Short protrusion of front and rear portion of the upperstructure from the track at swing thanks to its round profile Small road width occupation for the work See page 7.

4 Wide Working RangesJob sites that require a long upperreach, such as demolition and slopecutting also benefit from the increaseddigging and dumping ranges of thePC228US-3E0. High Mobility Large drawbar pull and steeringforce display its ability whenoperating on a slope. Excellent mobility with automaticthree-travel speed. High StabilityThe PC228US -3E0 offersexceptional lifting capacityand high stability with a largecounterweight that requiresno additional page FeaturesMulti-function ColorMonitor Four working modesdesigned to match enginespeed, pump delivery andsystem pressure. Power mode for maximumproduction/power Breaker mode for optimumengine rpm, hydraulic flow,and pressure Economy mode for lowerfuel consumption and noise Lifting mode for high liftingcapacitySee page Cab Low noise design cabwith viscous cabmounting Sliding convex doorfacilitates easyentrance in confinedareas. Large cab meets ISOworking space page s PC228US -3E0 Series HydraulicExcavators have a short tail swing profile, designedspecifically for work in confined areas.

5 By reducing tail swing, the PC228US -3E0can work in areas where conventional profile excavators would pose a safety Reliability andDurability High rigidity work equipment Sturdy frame structure Reliable Komatsu manufactured majorcomponents Highly reliable electronic devices See page TechnologyKomatsu develops and produces all majorcomponents, such as engines, electronicsand hydraulic components, in this Komatsu Technology, and addingcustomer feedback, Komatsu is achievinggreat advancements in achieve both high levels of productivity andeconomical performance, Komatsu has devel-oped the main components with a total result is a new generation of high perfor-mance and environment-friendly & ECOLOGYFEATURESHYDRAULIC EXCAVATORE lectronic control unit for engineHydraulic system controllerEngineHeavy duty HPCR (High Pressure Common Rail) systemHydraulic control valveFlow divide/merge control with EPCMain pumpTwo pump independent controlLCD color monitor5 Low Emission EngineKomatsu SAA6D107E-1 meets EPA, Tier 3 and EU stage3A emissions regulations and reduced NOxemission by 29% compared with Operation NoiseEnables a low noise operation using the low-noise engineand methods to cut noise at controlledcommon rail type engine Multi-staged injection Highly rigid cylinder blockDynamic noise is reduced.

6 (Compared with the PC228US -3) Low-noise mufflerOptimal arrangement ofsound absorbing materialsHYDRAULIC EXCAVATORPC228US-3E0PC228US-3E00 Large Digging ForceThe machine has a digging force equal to that of , the operator can increase the power by 8 %using single-touch power increase function when requiringan extra Travel PerformanceWith large drawbar pull and automatic gearshift function thatchanges the travel speed between Hi and Lo speed at theoptimum shift point according to the load, the machine cantravel over the sever job site. The machine can also travelquickly and speedy and comfortably travel while making ModeApplicationAdvantagePower mode Maximum production/powerP Fast cycle timeEEconomy mode Excellent fuel economyLLifting mode hydraulic pressure isincreased by 7%Breaker Optimum engine rpm,Bmodehydraulic flow for breakeroperationWorking Mode SelectionThe PC228US -3E0 excavator is equipped with four workingmodes (P, E, L and B mode).

7 Each mode is designed tomatch engine speed, pump speed, and system pressure withthe current application. This provides the flexibility to matchequipment performance to the job at hand. Economy ModeEconomy mode is environmentally friendly. Fuel consumptionis reduced 14% (compared with PC228US -3 Active mode).Lifting ModeWhen the lifting mode is selected, lifting capacity isincreased 7% by raising hydraulic ModeFlow can be adjusted from the cab to match various attach-ment modeLLifting modeBBreaker modePower modeHigh StabilityThe PC228US -3E0 offers exceptional lifting capacity andhigh stability with a large counterweight that requires noadditional FEATURESHYDRAULIC EXCAVATORHYDRAULIC EXCAVATORPC228US-3E0PC228US-3E00PC200180 swing width: m 13'1"3040 mm 10'0"2750 mm 9'0"2310 mm 7'7"Protrusion from track:PC228US910 mm 3'0"PC228 USLC770 mm 2'6"PC2001640 mm 5'5"Protrusion from track:PC228US280 "PC228 USLC140 "PC2001350 mm4'5"1680 mm 5'6"Implementswingradiusreduced by730 mm2'5"Tail swingradiusreduced by1070 mm3'6"Short Implement SwingRadius.

8 2310 mm7'7" Boom raisingangle of the PC228US -3E0 islarger than the PC200-8, whilefront implement protrusion Operation with Small Tail Swing Even in Confined AreasRoad and Bridge WorkLane m 14 9"3990 mm13'1"Logging Road WorkLogging road widthapprox. 4 m 13'1"Short Tail Swing Radius:1680 mm5'6" Because the tailof the PC228US -3E0 is morecompact than conventional mod-els, the PC228US -3E0 reducesthe operator s need to checkbehind him for Application withCompact Machine Body andWide Working RangeMax. digging height10700 mm35'1"Max. digging depth6620 mm21'9"Max. digging reach9875 mm32'5"Round Profile of Both Front and Rear Portion of the Upper Structurefor Safer OperationKomatsu hydraulic excavators with small tail swing radius design adopt the roundprofile for both left and right corners of the front portion of the upper structure aswell as its rear portion that features less protrusion from the track at swing. Theround profile design contributes to the prevention of contact accident at swing andallows the machine to work in tight quarters or job sites where there are some from the track: (625 mm including the mirror)280mm 11 280mm 11 280mm 11 280mm 11 Protrusion from the track (rear)Protrusion from the track (rear)Protrusion from the track: (350 mm including the mirror)RoadworkWhen performing a roadwork, protru-sion of the machine to the unoccupiedlane is kept minimum since the rearportion of the upper structure protrudesslightly from the track at swing.

9 Thisallows a dump truck to be positionedcloser to the track of the machine. Theoperator is able to load materials effi-ciently onto the front of the dump bodyat ease since ample dumping reach isassured for the loading. Large workingspace is not required for the and forest roadworkSince the protrusion of the rear portionof the upper structure is kept minimum,there is less possibility of the counter-weight hitting against a tree or a slope,allowing the operator to operate themachine at ease. Furthermore, largedigging height facilitates a slope finish-ing work large drawbar pull assuressmooth and powerful traveling even onrough machine needs less workingspace and can perform efficient demo-lition work since it has large and ampledigging Convex DoorThe sliding convex door facilitateseasy entrance in confined areas whilereducing the danger of being dam-aged on roadways because the doordoes not protrude when open. The cabalso features a sliding window on Pull-up Type Front WindowThe front window with lightweight sashframe can be pulled up easily.

10 The win-dow pulledup can belocked up atthe cab topwith a Cab that Meets ISOO perator Space StandardThe cab meets ISO operator spacestandard andprovides a largeoperator withample operationspace. The cabhas wide doorway for easygetting on/off. Large Capacity Air ConditionerA 6,900 kcal air conditioner is bi-level control function keeps theoperator's head and feet cool andwarm respectively. This improved airflow function keeps the inside of thecab comfortable throughout the function keeps cab EXCAVATORWORKING ENVIRONMENTHYDRAULIC EXCAVATORPC228US-3E0PC228US-3E00 Safety FeaturesSturdy Cab Protects theOperator from Falling ObjectsFully press mold cab meets the ISOhead guard standard of OPG top guardlevel 1. The cab is produced by meansof press integral molding and has astrengthened frame structure withimproved total rigidity, featuring excel-lent durability and impact with the adoption of inertia-reel seat belt, the cab protects theoperator from falling cab interior is spacious and provides a comfortable ComfortableCabMulti-Position ControlsThe multi-position, PPC (pressureproportional control) levers allow theoperator to work in comfort while maintaining precise control.