Caterpillar 798 AC OFF HIGHWAY TRUCK SERVICE REPAIR MANUAL ST3

The Caterpillar 798 AC Off Highway Truck Service Repair Manual ST3 is a comprehensive factory-authorized guide for technicians, engineers, and maintenance personnel managing the ST3 serial prefix trucks. This manual provides detailed instructions, diagrams, and OEM specifications for servicing all major systems including engine, powertrain, hydraulics, braking, cooling, and electrical circuits. Designed for heavy-duty mining and off-highway operations, it ensures accurate diagnostics, efficient troubleshooting, and proper repair procedures to maintain optimal truck performance, safety, and reliability. Following this manual allows maintenance teams to minimize downtime, extend component life, and meet manufacturer standards, supporting consistent productivity in demanding operational environments.

Manual Contents Covered:

• AIR INLET AND EXHAUST SYSTEM
• BASIC ENGINE
• BRAKING SYSTEM
• COOLING SYSTEM
• ELECTRICAL AND STARTING SYSTEM
• ENCLOSURES, GUARDS AND BASES
• ENGINE ARRANGEMENT
• FRAME AND BODY
• FUEL SYSTEM
• HYDRAULIC SYSTEM
• LUBRICATION SYSTEM
• MACHINE ARRANGEMENT
• OPERATOR STATION
• POWER TRAIN
• SERVICE EQUIPMENT AND SUPPLIES
• STEERING SYSTEM

FORMAT: PDF
LANGUAGE: English
DOWNLOAD INSTRUCTIONS: PDF will be sent to your email upon purchase