• Engine Mechanical
                        
                        
                            • Engine Fuel System (Diesel)
                        
                        
                            • Engine Cooling System
                        
                        
                            • Engine Lubrication System
                        
                        
                            • Clutch System
                        
                        
                            • Transmission System (Mechanical and Hydraulic aspects)
                        
                        
                            • Final Drive Assemblies
                        
                        
                            • Differential Lock System
                        
                        
                            • Front-Wheel Drive System (if applicable)
                        
                        
                            • Hydraulic System (including pumps, valves, cylinders)
                        
                        
                            • Power Steering System
                        
                        
                            • Braking System (Service and Park Brakes)
                        
                        
                            • Power Take-Off (PTO) Drive and Control
                        
                        
                            • Electrical System (including starting, charging, lighting, controls)
                        
                        
                            • Cab Systems (HVAC, controls, interior components)
                        
                        
                            • Chassis and Frame
                        
                        
                            • Steering Gear and Linkage
                        
                        
                            • Rear Axle and Housing
                        
                        
                            • Fenders, Fuel Tank, and Platform Mounting