Target Audience:
Technicians and DIY owners performing service and repair on Sisudiesel 320, 420, 620, 634 engines
Market Position:
OEM-derived workshop manual for SISU POWER diesel engines used in off-highway and industrial applications
Key Features:
Covers full engine family, detailed repair procedures, specifications, and troubleshooting guidance
Engine Models:
Sisudiesel 320, 420, 620, 634
Engine Mechanical:
Cylinder head, valve train, cylinder block, pistons, connecting rods, crankshaft, bearings, seals, timing gears
Lubrication System:
Oil pump, oil filter, oil cooler, pressure relief valve, lines and fittings
Cooling System:
Water pump, thermostat, radiator, fan, hoses, coolant passages
Fuel System:
Fuel tank, lines, filters, injection pump, injectors, fuel shutoff
Air Intake and Exhaust:
Air cleaner, intake manifold, turbocharger (if equipped), exhaust manifold, muffler
Electrical System:
Battery, starter, alternator, charging, starting, sensors, wiring
Governor and Speed Control:
Mechanical or electronic governor, throttle linkage, speed settings
Turbocharger:
Removal, installation, inspection, and service (where applicable)
Diagnostic Procedures:
Troubleshooting charts, fault finding, symptom-based diagnostics
Disassembly and Assembly:
Step-by-step engine teardown and rebuild with torque sequences
Adjustments:
Valve lash, injection timing, belt tension, governor settings
Testing and Inspection:
Compression, oil pressure, coolant system pressure, electrical tests
Specifications:
Clearances, wear limits, torque values, capacities
Technical Depth and Parts
Technical Depth:
Detailed OEM-level procedures with illustrations and specifications
Parts Information:
Component identification, wear limits, and replacement guidelines
Special Tools:
References to required special tools where applicable
Wiring Diagrams:
Electrical schematics included where applicable
Fluid Capacities:
Engine oil, coolant, and fuel system capacities in specifications
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Displacement:
Varies (Specific models: 3.2L, 4.2L, 6.2L, 6.34L)
Power:
Varies by specific engine model
Cooling System:
Liquid-cooled
Injection System:
Direct Injection (Specific system details may vary by model)
Cylinder Arrangement:
Varies by specific engine model
Bore Stroke:
Refer to specific engine model in manual
Compression Ratio:
N/A - not specified for this model
Fuel System Type:
N/A - not specified for this model
Service Information:
Comprehensive service and repair procedures
Engine Overhaul Procedures:
Included
Filter Replacement Guidelines:
N/A - not specified for this model
Recommended Oil Type:
N/A - not specified for this model
Oil Capacity:
N/A - not specified for this model
Recommended Service Intervals:
N/A - not specified for this model
Troubleshooting Guide:
N/A - not specified for this model
