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KOMATSU WA900-3 wheel loader

Permalink : http://product.cmsou.com/detail_NDky4---.html    Last Updated : 2014-06-17
KOMATSU WA900-3 wheel loader

KOMATSU WA900-3 wheel loader

  • Feature
  • Parameter
High Productivity & Low Fuel Consumption • High performance SAA12V140E-3 engine • Low fuel consumption • Dual-mode active working power select system • Large dumping clearance Excellent Operator Environment • Automatic transmission with Electronicallly Controlled Modulation Value (ECMV) • Advanced Joystick Steering System (AJSS) • Roomy, quiet cab with power windows • Low vibration & noise • Pillar-less large cab with ROPS/FOPS Level 2 canopy • Comfortable operator’s seat Harmony with the Environment • EPA Tier 2 emissions certified • Low fuel consumption Reliability • Reliable Komatsu designed and manufactured components • Sturdy main frame • Adjustment-free, fully hydraulic, wet disc brakes • Hydraulic hoses use flat face O-ring seals • Cathion electrodeposition process is used to apply primer paint • Powder coating process is used to apply main structure paint • Sealed DT connectors for electrical connections Easy Maintenance • Simple checks • KOMTRAX Plus • Rear access stairs • Auto greasing system
Engine
ModelKomatsu SAA12V140E-3
TypeWater-cooled, 4 cycle
AspirationTurbocharged, air-to-air aftercooled
Number of cylinders12
Bore x stroke5.51'' x 6.50''140 mm x 165 mm
Piston displacement1,860 in³30.48 ltr
Governorall-speed, electronic
Flywheel horsepower
SAE J1995 - Gross900 HP672 kW
ISO 9249/SAE J1349 - Net856 PS638 kW
Rated rpm2050 rpm
Fan drive method for radiator coolingMechanical
Fuel systemDirect injection
Lubrication system
MethodGear pump, force-lubrication
FilterFull-flow and bypass combined
Air cleanerDry type with automatic dust ejector and pre-cleaner, cyclopac with vacuator
EPA Tier 2 emissions certified.
Transmission
Torque converter - Type3-element, single-stage, single-phase
Transmission - TypeFull-powershift, planetary type
Travel Speed*
1st Forward4.3 mph7.0 km/h
1st Reverse4.4 mph7.1 km/h
2nd Forward7.6 mph12.3 km/h
2nd Reverse7.7 mph12.4 km/h
3rd Forward17.4 mph28.0 km/h
3rd Reverse17.6 mph28.3 km/h
*Measured with 45/65-45, 58 PR (L-5)
Axles & Final Drives
Drive systemFour-wheel drive
FrontFixed, full-floating
RearCenter-pin support, full-floating, 22° total oscillation
Reduction gearSpiral bevel gear
Differential gearStraight bevel gear
Final reduction gearPlanetary gear, single reduction, oil bath
Brakes
Service brakesHydraulically actuated, wet disc brakes actuate on four wheels
Parking brakeDry disc brake
Secondary brakeParking brake is commonly used
Steering System
TypeArticulated type, full-hydraulic power steering
Steering angle40° each direction
Minimum turning radius at the center of outside tire30'2"9200 mm
Hydraulic System
Steering system:
Hydraulic pumpPiston pump
Capacity / at rated rpm83.2 U.S. gal/min315 ltr/min
Relief valve setting4,977 psi34.3 MPa / 350 kgf/cm²
Hydraulic cylinders:
TypeDouble-acting, piston type
Number of cylinders2
Bore x stroke6.3" x 19.8"160 mm x 503 mm
Loader control:
Hydraulic pumpPiston pump
Capacity / at rated rpm109.6 U.S. gal/min415 ltr/min
Relief valve setting4,977 psi34.3 MPa / 350 kgf/cm²
Hydraulic cylinders:
TypeDouble-acting, piston type
Number of cylinders—bore x stroke:
Boom cylinder - 210.2" x 53.9"260 mm x 1368 mm
Bucket cylinder - 111.8" x 35.7"300 mm x 906 mm
Control valveSpool type
Control positions:
BoomRaise, hold, lower, and float
BucketTilt-back, hold, and dump
Hydraulic cycle time (rated load in bucket):
Raise11.2 sec
Dump2.0 sec
Lower (Empty)4.8 sec
ROPS and Cab
Cooling system89.0 U.S. gal337 ltr
Fuel tank410.8 U.S. gal1555 ltr
Engine34.3 U.S. gal130 ltr
Hydraulic system191.5 U.S. gal725 ltr
Axle (each front and rear)95.1 U.S. gal360 ltr
Torque converter and transmission37.0 U.S. gal140 ltr
Service Refill Capacities
Cooling system89.0 U.S. gal337 ltr
Fuel tank410.8 U.S. gal1555 ltr
Engine34.3 U.S. gal130 ltr
Hydraulic system191.5 U.S. gal725 ltr
Axle (each front and rear)95.1 U.S. gal360 ltr
Torque converter and transmission37.0 U.S. gal140 ltr
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