FLYWHEEL HORSEPOWER 638 kW 856 HP @ 2050 rpm WEIGHT CHANGES BUCKET CAPACITY 3 3 Operating weight Tipping load 11.5–13.0 m 15.0-17.0 yd Straight Full turn Remove ROPS canopy -1385 kg -3,055 lb -1220 kg -2,690 lb -1180 kg -2,600 lb Remove steel cab -430 kg -950 lb -335 kg -740 lb -330 kg -730 lb WA900-3E0 STANDARD EQUIPMENT ● 2-spool valve for boom and bucket ● Front working lights (2) ● Service brakes, wet disc type controls ● Hard water area arrangement ● Side working lights (2) ● Alternator, 90 A/24 V (corrosion resister) ● Standard boom WA ● Air conditioner ● Head lights (2) ● Starting motor, 7.5 kW/24 V x 2 ● Automatic transmission F3 / R3 ● Lift cylinders and bucket cylinder ● Steel cab included front wiper, windshield 900 ● Back-up alarm ● Radiator mask, lattice type washer and power window ● Back-up lamp ● Rear access stairs ● Steering wheel, tiltable ● Batteries, 160 Ah/12 V x 4 ● Rear defroster (electric) ● Sun visor ● Boom kick-out ● Rearview mirrors ● Tires (45/65-45-58PR L5 tubeless) ● Bucket positioner ● Rear window washer and wiper and rims ● Counterweight ● Rear working lights (2) ● Water separator ● Directional signal ● Room mirror ● Emergency brake ● ROPS/FOPS canopy ● Engine, Komatsu SAA12V140E-3 diesel ● Seat belt ● Floormat ● Seat, suspension type with reclining OPTIONAL EQUIPMENT ● AJSS (advanced Joystick Steering ● Emergency steering (SAE) ● Power train guard System) ● Engine pre-lube system ● Rear under view mirror ● AM/FM radio ● Fast fill fuel system ● Sweeper wing ● AM/FM stereo radio cassette ● Fenders ● Tires (45/65-R45 L5 tubeless) ● Ashtray and cigarette lighter ● Fire extinguisher ● Tool kit ● Automatic greasing ● Heater and defroster ● Under view mirror ● Bucket corner teeth ● High lift boom ● Vandalism protection ● Bucket teeth (weld-on/tip type) ● Mesh chain ● VHMS (Vehicle Health Monitoring System) ● Counterweight for high lift boom ● Ordinary spare parts ● Yellow rotating lamp www.Komatsu.com Printed in Japan 200703 IP.SIN (10) Photo may include optional equipment. WHEEL LOADER CEN00187-01 Materials and specifications are subject to change without notice is a trademark of Komatsu Ltd. Japan WA900-3E0 WA900-3E0 W HEEL L OADER WHEEL LOADER FLYWHEEL HORSEPOWER 638 kW 856 HP @ 2050 rpm ALK ROUND W -A ● Hydraulic hoses use flat face Reliability BUCKET CAPACITY O-ring seals 3 3 11.5–13.0 m 15.0-17.0 yd ● Reliable Komatsu designed and ● Cathion electrodeposition process manufactured components is used to apply primer paint ● Sturdy main frame ● Powder coating process is used to ● Engine pre-lube system (Optional) Excellent Operator Environment apply main structure paint ● Maintenance-free, fully hydraulic, ● Sealed DT connectors for electrical ● Automatic transmission with ECMV wet disc brakes connections ● Tiltable steering column See page 6. ● “AJSS” (Advanced Joystick Steering System) High Productivity (Optional) & Low Fuel Consumption ● Roomy, quiet cab with power windows ● High performance SAA12V140E-3 engine ● Low vibration & noise ● Low fuel consumption ● Pillar-less large cab with ROPS/FOPS canopy ● Dual-mode active working power select system ● Comfortable operator’s seat ● Large dumping clearance See pages 8 and 9. See pages 4 and 5. Building on the technology and expertise Komatsu has accumulated since its establishment in 1921, GALEO presents Photo may include optional equipment. customers worldwide with a strong, distinctive image of technological innovation and exceptional value. The GALEO brand will be employed for Easy Maintenance Komatsu’s full lineup of advanced construction and mining equipment. Harmony with Environment ● Simple checks ● Rear access stairs Designed with high productivity, operator comfort and environmental ● EPA Tier 2 emission certified ● “VHMS” (Vehicle Health Monitoring ● Auto greasing system (Optional) considerations in mind, the machines in this line reflect Komatsu’s ● Low fuel consumption System) (Optional) commitment to contributing to the creation of a better world. See page 7. Genuine Answer for Land and Environment Optimization 2 3 WA900-3E0 WA900-3E0 W HEEL L OADER WHEEL LOADER IGH RODUCTIVITY AND OW UEL ONSUMPTION H P L F C High Performance SAA12V140E-3 Engine Dual-Mode Active Working System Electronic Heavy Duty Common Rail fuel injection system The machine can be equipped with two mode active working provides optimum combustion of fuel. system. This system provides the most efficient hydraulic flow This system also provides fast throttle response to match the for your operation. machine’s powerful tractive effort and fast hydraulic response. The active working switch has two Net: 638 kW 856 HP modes: powerful loading or normal Low Emission Engine Dual modes switch loading. This engine is EPA Tier 2 emission certified without ● Powerful loading mode: sacrificing power or machine productivity. Hydraulic flow towards the work equipment can be Low Fuel Consumption increased and reduced as and when required. Low fuel consumption is achieved because of the Active Working Switch Digging/Loading Loader pump Powerful Loading low-noise, high-torque engine and the large-capacity torque converter with maximum efficiency in the low-speed range. Switch pump Durable Bucket Powerful Komatsu buckets are manufactured using high-tensile strength steel with replaceable welded wear plates for Reduces hydraulic flow from switch pump when necessary. Traction is increased, as the hydraulic pressure load for digging/shoveling is reduced. extended bucket life. Additional strength has been added to Easy for heavy digging. the bucket bottom corners, side edges and spill guard ends Loader pump Raising the lift boom for increased durability. Switch pump Bucket capacities 3 13.0m 17cu.yd Fast While the lift boom is raised, all the hydraulic flow from the switch pump goes to the work equipment. ● Normal loading mode: All hydraulic flow is transferred directly to the work Large Dumping Clearance Excellent Stability equipment. The WA900-3 was The WA900-3 has the widest tread in its class 3,350mm (11') WA900 & HD785 Active Working Switch designed with ample and a long 5,450mm (17'11'') wheelbase, for maximum Digging/Loading Loader pump Normal Loading dumping clearance for machine stability. Switch pump dump truck matching. Static tipping load 2450mm 3 3 (with 45/65-45-58 PR (L-5) tires / bucket 13.0 m 17.0 yd ) W=5210mm Fast Straight:65670 kg 144,780 lb The hydraulic flow from switch pump goes to work equipment. Traction while digging/shoveling is not increased. The speed of the lift boom is increased in all operations. 40˚ full turn:57430 kg 126,610 lb High Breakout Force Komatsu wheel loaders have high-tensile steel Z-bar loader linkages for maximum rigidity and maximum breakout force. Sealed loader linkage pins extend greasing intervals. Breakout force:67900 kg 149,690 lb 3 3 13.0 m 17.0 yd Excavating bucket (spade nose) with tipteeth 4 5 4640mm 4285mm WA900-3E0 WA900-3E0 W HEEL L OADER WHEEL LOADER NCREASED ELIABILITY ASY AINTENANCE I R E M Komatsu Components High-rigidity Frames and Loader Linkage Komatsu manufactures the engine, torque converter, The front and rear frames and the loader linkage have more transmission, hydraulic units, electric parts, on this wheel torsional rigidity to secure resistance against increased loader. Komatsu loaders are manufactured stress. Frame and loader linkage are designed to with an integrated production system under a strict quality accommodate actual working control system. loads, and simulated computer testing proves Torque converter its strength. Damper Photo may include optional equipment. Transmission Engine Simple Checks, Easy Maintenance Rear Access Stairs Front axle Rear axle The main monitor and the maintenance monitor (EDIMOS II) For the purpose of boarding and exiting machine, rear are neatly arranged on the instrument panel for a quick, clear access stairs with handrail is provided. The step width, Engine pre-lube System (optional) Flat Face-to-Face O-Ring Seals nipple reading of machine functions at all times. The main monitor clearance, and the step angle have been designed for Durability of the engine is achieved by raising the engine oil Flat face-to-face O-ring seals also has a diagnostic function. climbing both up and down. A step light provides light for pressure before starting the engine. When the operator turns are used to securely seal Main monitor Maintenance monitor night boarding. the key, the pre-lubrication pump sends oil from the engine hydraulic hose connections hose O-ring oil pan to the engine oil filter and raises the pressure of that and to prevent oil leakage. oil to the set pressure. Then, the starting motor rotates to In addition, buffer rings are buffer rings start the engine. installed to the head side of the all-hydraulic cylinders to Maintenance-Free Braking System lower the load on the rod dust seal Large Side Door Service brakes employ two hydraulically-actuated seals and maximize rod packing independent circuits which are adjustment-free, fully-sealed, Right side door is easy to open reliability. wet disc units, preventing intrusion of dirt and dust. Since the and provides accessibility for Cathion Electrodeposition Primer Paint/ brake system does not use air, it provides many features maintenance. Auto-Greasing System (optional) Powder Coating Final Paint such as absence of condensation, dependable braking even The periodic lubrication points, except for drive shaft, are Fuel Tank Cap in cold conditions, no need for Cathion electrodeposition paint is applied as a primer greased automatically according to a preset amount and with Mud Cover drainage, and rust free piping. paint and powder coating is applied as topcoat to the interval. Quick-change grease canisters make replacement and Large Tool What's more, charging time after exterior sheet metal parts. This process results in a easy and clean. Box engine starting is drastically durable paint finish, even in the most severe environments. Fuel tank cap Tool box shortened and pedal depressing Some external parts are made of plastic providing long life effort is reduced. VHMS (Vehicle Health Monitoring System) (optional) and high impact resistance. Satellite communication(option) VHMS is a management system for large equipment for Sealed DT Connectors Customer use in mining, which enables detailed monitoring of fleet job site KOMATSU Main harnesses and controller connectors are equipped via satellite communications. Komatsu and distributors can with sealed DT connectors analyze “vehicle health” and other operating conditions and providing high reliability, water provide the information to job site using the internet from a resistance and dust resistance. remote location on a near-real time basis. WebCARE Server Personal Computer terminal Komatsu (for downloading data) distributors 6 7 WA900-3E0 WA900-3E0 W HEEL L OADER WHEEL LOADER PERATOR NVIRONMENT O E Easy Operation Comfortable Operation Automatic Transmission with Steering Wheel Type Remote Boom Positioner Roomy, Quiet Cab With Power Windows Electronically Controlled Modulation Valve (ECMV) The highest and lowest position of the bucket can be set The cab is large, with a comfortably spacious interior and Automatic transmission with ECMV automatically selects the from the cab to match any power windows. Also, a wide viewing angle is guaranteed proper gear speed based on travel speed, engine speed, and truck body. Once the positioner because the cab is pillar-less. By other travel conditions. The ECMV system engages the is set, the bucket is smoothly adopting a high-capacity air clutch smoothly to prevent lags and shocks when shifting. stopped at desired position conditioner, Komatsu ensures This system provides efficient machine operation and a with no shock. operator comfort, no matter the 3 comfortable ride. exterior conditions. Other features ● Kick-down switch: designed with operators in mind 3:Remote boom positioner switch 1st 2nd 3rd This valuable feature for include a lunchbox storage space. 1st hold Lunchbox storage space increases productivity. hold 2nd With the touch of a finger, AJSS (Advanced Joystick Steering System) Low Vibration & Noise the kick-down switch 3rd auto change (Optional) The cab rests on Komatsu viscous damping automatically downshifts kick-down switch AJSS is a feedback steering system which has been mounts (rubber and silicon oil) to reduce from second to first when incorporated to allow steering and forward and reverse vibration and noise. All hydraulic beginning the digging cycle. It automatically upshifts from selection to be controlled equipment is mounted on high-resistance first to second when the direction control lever is placed in Horn Shift down Tiltable Steering Column & One-Glance Monitors by wrist and finger control. rubber to further reduce vibration and noise. reverse. This results in increased rim pull for better bucket The steering column can be With the feedback Shift up penetration and reduced cycle times for higher productivity. easily tilt-adjusted to the most function, the machine Pillar-less Large Cab with ROPS / FOPS Canopy F & R ● Hold switch: Auto shift is selected and if the operator comfortable position with one steering angle is exactly A wide pillar-less flat glass provides excellent front visibility. turns on this switch when the lever is at the 3rd gear lever. the same angle as the The wiper arm covers a speed position, the lever tilt angle. Kick-down switch large area to provide great transmission is fixed to that visibility even on rainy gear speed. days. Hold switch Variable Transmission Cut-off System Electronically Controlled Transmission Lever The operator can set the transmission cut-off pressure Rear heated glass provides clear desired for the left brake pedal using the switch located on Easy shifting and directional changes with Komatsu two-lever view even in freezing or condensation conditions. the right-side control panel. The operator can improve the electronic shifting. Change direction or shift gears without working performance by setting the cut-off pressure properly removing the shifting hand from the steering wheel. Solid Comfortable Operator's Seat depending on working condition. state electronics and conveniently located direction and gear shift controls make this possible. Automatic shifts in ranges ● High cut-off pressure for digging operations. The operator's seat has a two through four keep production ● Low cut-off pressure for truck-loading operations. reclining/air suspension design with high and manual shifting at a headrest to support the operator minimum. comfortably during long operation. 2 Also, it is easy to adjust seat height 1 with air suspension. 1:T/M cut-off ON/OFF switch 2:T/M cut-off set switch 8 9 WA900-3E0 WA900-3E0 W HEEL L OADER WHEEL LOADER PECIFICATIONS S DIMENSIONS Measured with 45/65-45-58PR(L-5) tires Standard High lift ENGINE HYDRAULIC SYSTEM Boom Boom Model . . . . . . . . . . . . . . . . . . . . . . . . . . . .Komatsu SAA12V140E-3 Steering system: Tread 3350 mm 11' Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Water-cooled, 4-cycle Hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Piston pump Width over tires 4585 mm 15'1" Aspiration . . . . . . . . . . . . . . . . . .Turbocharged, air-to-air aftercooled Capacity . . . . . . . . . . . .315 ltr/min 83.2 U.S. gal/min at rated rpm 2 A Wheelbase 5450 mm 17'11" Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Relief valve setting . . . . . . . . . . . .34.3 MPa 350 kgf/cm 4,977 psi Bore x stroke . . . . . . . . . . . . . . . . .140 mm x 165 mm 5.51" x 6.50" Hydraulic cylinders: B Hinge pin height, max. height 6960 mm 22'10" 7445 mm 24'5" B 3 Piston displacement . . . . . . . . . . . . . . . . . . . . . . .30.48 ltr 1860 in Type . . . . . . . . . . . . . . . . . . . . . . . . . .Double-acting, piston type C Hinge pin height, carry position 800 mm 2'7" 50° G Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .all-speed, electronic Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 F D Ground clearance 550 mm 1'10" Flywheel horsepower Bore x stroke . . . . . . . . . . . . . .160 mm x 503 mm 6.3" x 19.8" E Hitch height 1390 mm 4'7" SAE J1995 . . . . . . . . . . . . . . . . . . . . . . . . .Gross 672 kW 900 HP Loader control: E F Overall height, top of the stack 5130 mm 16'10" ISO 9249/SAE J1349 . . . . . . . . . . . . . . . . . . .Net 638 kW 856 HP C D Hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Piston pump Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2050 rpm G Overall height, ROPS cab 5275 mm 17'4" Capacity . . . . . . . . . . . . . . . . . . . . .415 ltr/min 109.6 U.S. gal/min Fan drive method for radiator cooling . . . . . . . . . . . . . . . .Mechanical A at rated rpm Fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Direct injection 2 Relief valve setting . . . . . . . . . . . .34.3 MPa 350 kgf/cm 4,977 psi Lubrication system: Hydraulic cylinders: Standard boom High lift boom Method . . . . . . . . . . . . . . . . . . . . . . . .Gear pump, force-lubrication Type . . . . . . . . . . . . . . . . . . . . . . . . . .Double-acting, piston type Filter . . . . . . . . . . . . . . . . . . . . . . . Full-flow and bypass combined Excavating Bucket Excavating Bucket Number of cylinders—bore x stroke: Air cleaner . . . . . . . . . . . . . . . . .Dry type with automatic dust ejector Spade nose Spade nose Boom cylinder . . . . . . . . .2- 260 mm x 1368 mm 10.2" x 53.9" and pre-cleaner, cyclopac with vacuator Tipteeth teeth Bucket cylinder . . . . . . . . . .1- 300 mm x 906 mm 11.8" x 35.7" 3 3 Bucket capacity: heaped 13.0 m 11.5 m Control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Spool type 3 3 17.0 yd 15.0 yd Control positions: 3 3 Boom . . . . . . . . . . . . . . . . . . . . . . . .Raise, hold, lower, and float struck 11.0 m 9.7 m 3 3 14.4 yd 12.7 yd Bucket . . . . . . . . . . . . . . . . . . . . . . . . .Tilt-back, hold, and dump TRANSMISSION Hydraulic cycle time (rated load in bucket) Bucket width 4810 mm 4810 mm Torque converter: Raise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.2 sec 15'9" 15'9" Type . . . . . . . . . . . . . . . . . . . .3-element, single-stage, single-phase Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.0 sec Bucket weight 12330 kg 11370 kg Transmission: Lower (Empty) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.8 sec 27,180 lb 25,070 lb Type . . . . . . . . . . . . . . . . . . . . . . . . .Full-powershift, planetary type Dumping clearance, max. height 4640 mm 5255 mm Travel speed: km/h mph and 45˚ dump angle 15'3" 17'3" Measured with 45/65-45-58 tires ROPS / FOPS & CAB Reach at max. height and 45˚ dump angle 2450 mm 2235 mm 1st 2nd 3rd 8' 7'4" Structure complies with ISO 3471 ROPS (Roll-Over Protective Forward 7.0 4.3 12.3 7.6 28.0 17.4 Reach at 2130 mm (7') clearance 3650 mm 4020 mm Structure) standards, as well as ISO 3449 FOPS (Falling Object and 45˚ dump angle 12' 13'2" Reverse 7.1 4.4 12.4 7.7 28.3 17.6 Protective Structure) standards. The cab is mounted on rubber pads Reach with arm horizontal and bucket level 4640 mm 4760 mm and is well insulated. 15'3" 15'7" Operating height (fully raised) 9680 mm 9875 mm 31'9" 32'5" AXLES AND FINAL DRIVES SERVICE REFILL CAPACITIES Overall length 14490 mm 14685 mm Drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Four-wheel drive Cooling system . . . . . . . . . . . . . . . . . . . . . . . .337 ltr 89.0 U.S. gal 47'6" 48'2" Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fixed, full-floating Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . .1555 ltr 410.8 U.S. gal Loader clearance circle (bucket at carry, 22000 mm 22200 mm Rear . . . . . . . . . . . . . . . . . . . . . . . . .Center-pin support, full-floating, Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130 ltr 34.3 U.S. gal outside corner of bucket) 72'2" 72'10" 22˚ total oscillation Hydraulic system . . . . . . . . . . . . . . . . . . . . . . .725 ltr 191.5 U.S. gal Digging depth: 0˚ 165 mm 160 mm Reduction gear . . . . . . . . . . . . . . . . . . . . . . . . . . . .Spiral bevel gear Axle (each front and rear) . . . . . . . . . . . . . . . .360 ltr 95.1 U.S. gal 6.5" 6.3" Differential gear . . . . . . . . . . . . . . . . . . . . . . . . . .Straight bevel gear Torque converter and transmission . . . . . . . . .140 ltr 37.0 U.S. gal 10˚ 645 mm 610 mm Final reduction gear . . . . . .Planetary gear, single reduction, oil bath 2'1" 2'0" Static tipping load: straight 65670 kg 62540 kg BUCKET SELECTION GUIDE 144,780 lb 137,880 lb BRAKES 40˚ full turn 57430 kg 55030 kg Service brakes . . . . . . . . . . . . . . . . . . . . . . . .Hydraulically actuated, Bucket fill factor 126,610 lb 121,320 lb wet disc brakes actuate on four wheels Breakout force 666 kN 703 kN Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Dry disc brake 3 3 Standard Boom 115 100 95% 67900 kgf 71700 kgf m yd Emergency brake . . . . . . . . . . . . . .Parking brake is commonly used 149,690 lb 158,070 lb Excavating Bucket (spade nose) 13.0 17.0 with teeth Operating weight 107200 kg 107350 kg 236,340 lb 236,670 lb High lift Boom STEERING SYSTEM Rock Bucket (spade nose) 11.5 15.0 with teeth All dimensions, weights, and performance values based on SAE J732c and J742b standards. 3 Type . . . . . . . . . . . . . . .Articulated type, full-hydraulic power steering lb/yd 2023 2360 2698 3035 3372 3 kg/m 1200 1400 1600 1800 2000 Static tipping load and operating weight shown include lubricant, coolant, full fuel tank, ROPS canopy, air conditioner, bucket and operator. Machine stability and Steering angle . . . . . . . . . . . . . . . . . . . . . . . . . . .40˚ each direction operating weight are affected by counterweight, or ballast, tire size, and other attachments. 3 3 Minimum turning radius at Material density: kg/m lb/yd Use either counterweight or ballast, not both. Apply the following weight changes to operating weight and static tipping load. the center of outside tire . . . . . . . . . . . . . . . . . . . . . .9200 mm 30'2" 10 11 3 3 Bucket capacity: m yd