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KOMATSU WA470-7 wheel loader

Permalink : http://product.cmsou.com/detail_NDkx8---.html    Last Updated : 2014-06-17
KOMATSU WA470-7 wheel loader

KOMATSU WA470-7 wheel loader

  • Feature
  • Parameter
Large capacity torque converter with lock-up: • 8% lower fuel consumption • Faster top speed • Quick acceleration • Lock-up in 2nd, 3rd and 4th gear Komatsu SmartLoader Logic helps reduce fuel consumption with no decrease in production. A powerful Komatsu SAA6D125E-6 engine provides a net output of 203 kW / 272 HP with 8% improved fuel consumption. This engine is EPA Tier 4 Interim and EU stage 3B emissions certified. Komatsu Variable Geometry Turbocharger (KVGT) uses a hydraulic actuator to provide optimum air flow under all speed and load conditions. Komatsu Diesel Particulate Filter (KDPF) captures 90% of particulate matter and provides automatic regeneration that does not interfere with daily operation. Increased cooling capacity • Auto-reversing fan is standard • Wider core coolers • Swing out fan An all new cab provides the operator with improved comfort and visibility. New high resolution monitor panel • Enhanced and intuitive on-board diagnostics • Integrated with KOMTRAX Level 4 • Integrated with Komatsu Tier 4 technology Rearview monitoring system (standard) New high capacity air suspension seat • Seat mounted EPC controls with F-N-R switch • Seat heater is standard Energy saving guidance • Six operator guiding messages • Enhanced eco-gauge Komatsu Auto Idle Shutdown helps reduce idle time and reduce operating costs. Remote boom and bucket positioners can set kick-outs from inside the cab. Variable displacement piston pumps with CLSS help reduce fuel consumption. KOMTRAX equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more.
Engine
ModelKomatsu SAA6D125E-6*
TypeWater-cooled, 4-cycle
AspirationTurbo-charged, after-cooled, cooled EGR
Number of cylinders6
Bore x stroke4.9" x 5.9"125 mm x 150 mm
Piston displacement674 in³11.04 ltr
Governorall-speed, electronic
Horsepower:
SAE J1995 - Gross273 HP204 kW
ISO 9249/SAE J1349 - Net272 HP203 kW
Rated rpm2000 rpm
Fan drive method for radiator coolingHydraulic
Fuel systemDirect injection
Lubrication system:
MethodGear pump, force-lubrication
FilterFull-flow type
Air cleanerDry type with double elements and dust evacuator, plus dust indicator
*EPA Tier 4 Interim and EU stage 3B emissions certified
Transmission
Torque converter:3-elements, 1-stage, 2-phase
TransmissionAutomatic full-powershift, countershaft type
Travel speed: (Measured with 26.5-25 tires)ForwardReverse
1st4.7 mph
7.6 km/h
4.9 mph
7.9 km/h
2nd8.1 mph
13.1 km/h
8.4 mph
13.5 km/h
2nd (Lock-up clutch ON)8.2 mph
13.2 km/h
8.5 mph
13.7 km/h
3rd14.2 mph
22.9 km/h
14.7 mph
23.6 km/h
3nd (Lock-up clutch ON)14.7 mph
23.6 km/h
15.1 mph
24.3 km/h
4th22.5 mph
36.2 km/h
23.2 mph
37.3 km/h
4nd (Lock-up clutch ON)23.8 mph
38.3 km/h
24.2 mph
39.0 km/h
Axles and Final Drives
Drive systemFour-wheel drive
FrontFixed, semi-floating
RearCenter-pin support, semi-floating, 26° total oscillation
Reduction gearSpiral bevel gear
Differential gearConventional type
Final reduction gearPlanetary gear, single reduction
Brakes
Service brakesHydraulically actuated, wet disc brakes actuate on four wheels
Parking brake*Wet disc brake
*May be used in an emergency
Steering System
TypeArticulated type, full-hydraulic power steering
Steering angle35° each direction (40° to max end stop)
Minimum turning radius at the center of outside tire21'9"6630 mm
Hydraulic System
Steering system:
Hydraulic pumpPiston pump
Capacity51.5 U.S. gal/min195 ltr/min
Relief valve setting3,555 psi24.5 MPa / 250 kgf/cm²
Hydraulic cylinders:
TypeDouble-acting, piston type
Number of cylinders2
Bore x stroke3.5" x 17.3"90 mm x 441 mm
Loader control:
Hydraulic pumpPiston pump
Capacity68.7 U.S. gal/min260 ltr/min
Relief valve setting4,980 psi34.3 MPa / 350 kgf/cm²
Hydraulic cylinders:
TypeDouble-acting, piston type
Number of cylinders—bore x stroke:
Boom cylinder — 25.5" x 30.0"140 mm x 764 mm
Bucket cylinder — 16.3" x 22.6"160 mm x 575 mm
Control valve2-spool type
Control positions:
BoomRaise, hold, lower, and float
BucketTilt-back, hold, and dump
Hydraulic cycle time (rated load in bucket)
Raise6.1 s
Dump1.6 sec
Lower (Empty)3.1 sec
Service Refill Capacities
Cooling system21.1 U.S. gal80 ltr
Fuel tank100.4 U.S. gal380 ltr
Engine10.0 U.S. gal38 ltr
Hydraulic system45.7 U.S. gal173 ltr
Axle front15.1 U.S. gal57 ltr
Axle rear14.8 U.S. gal56 ltr
Torque converter and transmission17.2 U.S. gal65 ltr
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