New Holland T6.125, T6.145, T6.155, T6.165, T6.175, T6.180, T6.145 Autocommand, T6.155 Autocommand T

New Holland T6.125, T6.145, T6.155, T6.165, T6.175, T6.180, T6.145 AutoCommand, T6.155 AutoCommand Tractor Service PDF Manual NA (P. Nb. 47938738)

The New Holland T6 Series Tractor Service PDF Manual is a detailed factory workshop reference developed for professional repair, maintenance, diagnostics, and troubleshooting of T6.125, T6.145, T6.155, T6.165, T6.175, T6.180, T6.145 AutoCommand, and T6.155 AutoCommand tractors. These advanced agricultural machines are built for demanding field operations, loader applications, transport work, and high-productivity farming tasks where accurate service information is essential.

This Factory Service Repair Manual Publication Number 47938738 provides complete technical guidance covering engine repair procedures, transmission diagnostics, AutoCommand drive system service, hydraulic testing, electrical troubleshooting, wiring diagrams, electronic control systems, PTO maintenance, steering repairs, axle servicing, brake systems, and operator platform components. It gives technicians and equipment owners the factory information required for efficient repairs and long-term machine reliability.

Advanced Electrical Diagnostics, Wiring Diagrams & Electronic Controls

New Holland T6 Series tractors use integrated electronic systems that control performance, operator functions, transmission operation, and machine monitoring. Factory diagnostic information helps locate faults accurately.

• Complete electrical wiring diagrams included
• Electronic control module testing procedures
• Sensor and actuator troubleshooting
• Harness and connector inspection guidance
• Instrument cluster diagnostic information
• Charging, starting, and lighting system repairs

Electrical sections support troubleshooting of fault codes, communication issues, electrical failures, warning messages, and component-related problems using detailed factory procedures.

Engine Repair, Fuel System Service & Performance Testing

The T6 tractor range is engineered for dependable agricultural performance, requiring correct service procedures to maintain engine efficiency and durability.

• Diesel engine repair procedures
• Fuel injection system diagnostics
• Cooling system inspection and repair
• Engine removal and installation steps
• Lubrication system service information
• Factory specifications and adjustments

The engine repair information helps diagnose overheating, power loss, fuel problems, abnormal operation, performance concerns, and mechanical failures.

AutoCommand Transmission & Drivetrain Service Information

AutoCommand and standard T6 transmission systems require accurate adjustment, calibration, and troubleshooting procedures for smooth power delivery.

• AutoCommand transmission repair procedures
• Transmission calibration information
• Drive system troubleshooting steps
• Clutch and drivetrain component servicing
• Differential and final drive repairs
• Power transfer system inspection

This section provides factory guidance for transmission faults, shifting concerns, drive performance issues, and drivetrain maintenance operations.

Hydraulic System Testing, Remote Valves & Hitch Repairs

The hydraulic system supports heavy agricultural implements, loader operation, and precision control functions. Correct service procedures help maintain reliable hydraulic performance.

• Hydraulic pump testing procedures
• Pressure and flow inspection information
• Remote valve service procedures
• Three-point hitch troubleshooting
• Hydraulic circuit diagnostics
• Component removal and repair instructions

Factory hydraulic information assists with diagnosing slow operation, weak lifting, pressure loss, hydraulic leaks, and implement control issues.

PTO, Steering, Axle & Brake System Repairs

Reliable mechanical systems allow T6 tractors to handle demanding farming applications while maintaining operator control and safety.

• PTO inspection and adjustment procedures
• Front and rear axle repair information
• Steering system troubleshooting
• Brake system maintenance procedures
• Final drive service instructions
• Wheel and chassis component repairs

Cab, Operator Controls & Comfort System Maintenance

The operator environment contains control systems and comfort features that require proper factory maintenance procedures.

• Cab component service procedures
• Control adjustment information
• HVAC system troubleshooting
• Display and control panel diagnostics
• Operator safety system inspection
• Accessory system servicing

Factory Manual Advantages

• OEM workshop repair procedures
• Professional troubleshooting instructions
• Electrical wiring diagrams included
• Hydraulic testing and calibration details
• Detailed illustrations and specifications
• Designed for accurate tractor servicing

This factory service manual helps maintain New Holland T6 Series tractors correctly by providing reliable technical information needed for workshop repairs, preventive maintenance, and troubleshooting.

Manual Specifications

Frequently Asked Questions

Which tractor models are covered in this manual?

This manual covers New Holland T6.125, T6.145, T6.155, T6.165, T6.175, T6.180, T6.145 AutoCommand, and T6.155 AutoCommand tractors.

Does this manual include AutoCommand transmission information?

Yes. It includes AutoCommand transmission service, troubleshooting, adjustment, and repair procedures.

Are electrical diagrams included?

Yes. Factory wiring diagrams and electrical diagnostic information are included for accurate troubleshooting.

Can technicians use this manual for complete tractor repairs?

Yes. It provides professional repair procedures, specifications, diagrams, and service information suitable for workshop use.