Target Audience:
Technicians and owners of Komatsu WA450-3 wheel loaders
Market Segment:
Heavy equipment, construction, mining, and material handling
Advantage:
Comprehensive operation and maintenance procedures from the manufacturer, ensuring proper care and longevity
Manual Type:
Operation and Maintenance Manual
Content:
Detailed instructions for safe operation, routine maintenance, and component care
Engine:
Operation, maintenance, troubleshooting
Transmission:
Operation, shifting, maintenance
Hydraulic System:
Implement and steering hydraulics, pump, valves, cylinders
Electrical System:
Wiring diagrams, battery, alternator, starting system
Power Train:
Axles, final drives, drive shafts
Brake System:
Service and parking brakes, adjustment
Steering System:
Steering gear, linkage, hydraulic steering
Air Conditioning:
Operation and maintenance (if equipped)
Undercarriage:
Tires, rims, and related components
Operation:
Controls, instrumentation, safety procedures, daily checks
Maintenance:
Scheduled maintenance, lubrication, fluid changes, filter replacement
Adjustments:
Brakes, steering, linkage, transmission neutral safety
Troubleshooting:
Diagnostic procedures, common fault finding
Detail Level:
Step-by-step instructions with necessary specifications
Part Numbers:
Not included, but references for ordering may be provided
Diagrams:
May include component diagrams for identification
Engine Model:
Komatsu S6D125-3 (or similar)
Type:
Six-cylinder, four-cycle, water-cooled diesel
Power (Net):
Approximately 194 kW (260 HP) at rated rpm
Bore and Stroke:
125 mm x 150 mm
Peak Torque:
N/A - not specified for this model
Fuel System:
Direct injection with mechanical or electronic governor (depending on year)
Air Cleaner:
Dry type with dual elements and pre-cleaner
Cooling System:
Water-cooled with radiator and fan
Lubrication System:
Forced lubrication with full-flow filter
Optional Engine:
None - single engine offering
Standard Transmission:
Komatsu TORQFLOW powershift transmission with 4 forward and 4 reverse speeds
Optional Transmission:
Not typically available; standard is universal
Control:
Shift lever on steering column or console
Modulation:
Clutch modulation for smooth shifting
Lockup:
Torque converter with lockup in higher gears for efficiency
Engine Oil Change:
Every 250 hours or as scheduled
Hydraulic Oil Change:
Every 1000 hours or annually
Transmission Oil Change:
Every 1000 hours or annually
Fuel Filter Replacement:
Every 500 hours or as needed
Engine Oil:
API CH-4 or higher, SAE 15W-40
Hydraulic Oil:
ISO VG 46 or 68 anti-wear hydraulic oil
Transmission Oil:
Komatsu TO30 or equivalent
Coolant:
Ethylene glycol based with long-life additives
Known Issues / Wear Items
Common Wear Items:
Bucket teeth, cutting edges, tires, brake pads, hydraulic hoses, filters
Common Issues:
Hydraulic leaks, electrical connection corrosion, wear on steering linkage
