Target Audience:
Heavy equipment technicians and fleet maintenance personnel responsible for assembling the WA800-3 wheel loader.
Application:
Used in mining, quarrying, and large-scale earthmoving operations where high-capacity loading is required.
Key Advantage:
The WA800-3 is recognized for its high breakout force, robust construction, and efficient hydraulic system, ensuring durability in demanding environments.
Assembly Documentation:
Step-by-step field assembly instructions specific to the WA800-3 model.
Illustrated Parts:
Includes detailed diagrams for component identification and assembly.
Service Orientation:
Designed to guide technicians through the correct assembly sequence to ensure machine reliability.
Engine:
Assembly instructions for engine installation and mounting.
Power Train:
Transmission, torque converter, drive shafts, and axles assembly.
Hydraulic System:
Hydraulic pump, control valves, cylinders, and hose routing.
Electrical System:
Wiring harnesses, sensors, and control modules.
Frame and Body:
Main frame, front and rear frames, and attachment mounting.
Cab and Controls:
Operator cab assembly, steering, and control pedal installation.
Tires and Rims:
Tire mounting and wheel assembly procedures.
Bucket and Attachments:
Bucket installation and linkage adjustments.
Assembly Sequence:
Step-by-step procedures in logical order.
Torque Specifications:
Table of torque values for critical fasteners.
Clearance Checks:
Required measurements and adjustments.
Lubrication:
Specific grease and oil application points.
Bleeding and Priming:
Procedures for hydraulic and fuel systems.
Detailed Diagrams:
Exploded views and component identification.
Special Tools:
List of required tools and equipment for assembly.
Part Numbers:
Reference part numbers for major components and kits.
Identification:
Serial number locations and interpretation for correct part matching.
File Type:
PDF (Portable Document Format)
Compatibility:
Compatible with all modern PDF readers on Windows, Mac, Linux, iOS, and Android.
Requirements:
No special software required; standard PDF viewer recommended.
Searchability:
Fully searchable text, allowing quick keyword lookup.
Printing:
Designed for high-quality printing on standard A4 or letter-size paper.
Binding:
Digital – no physical binding.
Paper Type:
N/A - digital file; print quality depends on user's printer.
Engine Model:
Komatsu SAA6D170E-3
Type:
6-cylinder, turbocharged diesel
Performance:
Rated at 511 kW (685 hp) at 2000 rpm (typical for WA800-3)
Fuel System:
Direct injection with electronic control
Displacement:
N/A - not specified for this model
Options:
No alternative engine options for this model.
Type:
Planetary gear with full power shift
Speeds:
4 forward, 4 reverse (typical)
Torque Converter:
Single-stage, single-phase
Features:
Full power shift for smooth direction changes and automatic modulation.
Options:
N/A - not specified for this model
Ratings and Certifications
Ratings:
Not rated for crash safety; complies with applicable safety standards for construction equipment.
Braking:
Oil-immersed multi-disc brakes with independent front/rear circuits.
Steering:
Full hydraulic power steering with emergency steering option.
Visibility:
Large glass areas and standard rear-view mirrors for improved operator visibility.
Structure:
Roll-over protective structure (ROPS) and falling-object protective structure (FOPS) cab standard.
Seat Belt:
Operator seat belt standard.
Engine Oil and Filter:
Replace every 250 hours or 3 months, whichever comes first.
Hydraulic Oil:
Every 2,000 hours.
Transmission Oil:
Every 1,000 hours.
Engine Oil:
API CI-4 or higher, 15W-40 (typical)
Hydraulic Oil:
ISO VG 46 or 68 (check manual)
Coolant:
Long-life coolant, typically ethylene glycol based.
Common Wear Items:
Bucket teeth, cutting edge, hydraulic hoses, and pivot pins.
Common Service Points:
Regular inspection of hydraulic cylinders for leaks and steering linkage for wear.
Manufacturer:
Komatsu Ltd., founded in 1921 in Japan.
Reputation:
Known for producing heavy construction and mining equipment with a focus on reliability and technology.
WA800 Series:
The WA800 is a large wheel loader in Komatsu's lineup. The -3 generation introduced improvements in performance and operator comfort over previous models.
Place in Lineage:
The WA800-3 is part of Komatsu's Dash-3 series, which refined controls and serviceability.
Manufactured In:
Typically produced in Japan or other Komatsu plants; specific location not stated in manual.
