Komatsu WA470-6A Base

Specifications of Komatsu WA470-6A Base

Engine

• Aspiration Turbocharged and aftercooled cooled EGR
• Bore 125 mm x 150 mm
• Engine Model Komatsu SAA6D125E-5
• Fan drive method for radiator cooling Hydraulic
• Fuel system Direct injection
• Governor all-speed, electronic
• Gross Power – SAE J1995 Gross 204 kW 273 HP
• Number of Cylinders 6
• Piston displacement . 11.04 ltr 674 in³
• Rated rpm 2000 rpm
• Stroke 4.9" x 5.9"
• Type Water-cooled, 4-cycle

Transmission

• Forward 1 7.0 /4.3
• Forward 2 12.2 /7.6
• Forward 3 21.3/ 13.2
• Forward 4 33.7/ 20.9
• Reverse 1 7.3 /4.5
• Reverse 2 12.6/ 7.8
• Reverse 3 21.9/13.6
• Reverse 4 34.7/ 21.6
• Torque Converter Type 3-element, single-stage, single-phase

Service Refill Capacities

• Axle (each front and rear) 60 ltr 15.9 U.S. gal
• Cooling System 61 ltr 16.1 U.S. gal
• Engine 38 ltr 10.0 U.S. gal
• Fuel Tank 413 ltr 109.1 U.S. gal
• Hydraulic System 173 ltr 45.7 U.S. gal
• Torque converter and transmission 65 ltr 17.2 U.S. gal

Dimensions

• B Hinge pin height, max. height 4360 mm 14'4"
• Ground Clearance 525 mm 1'9"
• Hitch height 1240 mm 4'1"
• inge pin height, carry position 585 mm 1'11"
• Overall height, ROPS cab 3500 mm 11'6"
• Overall height, top of the stack 3080 mm 10'1"
• Tread 2300 mm 7'7"
• Wheelbase 3450 mm 11'4"
• Width over tires 3010 mm 9'11"

Hydraulic System

• Bore 90 mm x 441 mm
• Bucket Cylinder - Bore 1- 160 mm x 575 mm 6.3"
• Hydraulic cylinders Type 140 mm x 764 mm 5.5" x 30.0"
• Hydraulic pump Piston pump
• Number of cylinders 2
• Pump Capacity 195 ltr/min 51.5 U.S. gal/min at rated rpm
• Relief Valve Setting 24.5 MPa 250 kgf/cm 2 3,555 ps
• stroke 3.5" x 17.3"

Axles

• Differential gear Conventional type
• Drive system Four-wheel drive
• Final reduction gear Planetary gear, single reduction
• Front Fixed, semi-floating
• Rear Center-pin support, semi-floating, 26 ̊ total oscillation
• Reduction gear Spiral bevel gear

Brakes

• Emergency brake Parking brake is commonly used
• Parking Brake Wet disc brake
• Service brakes Hydraulically actuated,

STEERING SYSTEM

• Maximum steering angle 35 ̊ each direction (40 ̊ end stop)
• Minimum turning radius 6630 mm 21'9"
• Type Articulated type, full-hydraulic power steering