New Holland T4.55S, T4.65S, T4.75S Tractor Pdf Repair Service Manual (p. Nb. 51489991)

New Holland T4.55S, T4.65S & T4.75S Tractor PDF Repair Service Manual (P. Nb. 51489991)

Built for everyday agricultural work, the New Holland T4.55S, T4.65S and T4.75S tractors combine dependable performance with simple operation, making them ideal for livestock farms, hay production, loader work and general field maintenance. When these tractors require troubleshooting or major repairs, using the correct factory service information helps ensure every repair is completed accurately and efficiently.

The OEM New Holland Repair Service Manual (Publication No. 51489991) provides dealership-quality repair procedures for the complete T4S tractor range. Developed by New Holland engineers, this workshop manual contains detailed service instructions, electrical wiring diagrams, hydraulic schematics, diagnostic procedures and technical specifications used by professional technicians worldwide.

Factory Manual Highlights

• Official OEM workshop repair procedures
• Complete electrical wiring diagrams
• Hydraulic system schematics and diagnostics
• Detailed component overhaul instructions
• Troubleshooting charts for faster fault diagnosis
• Factory service specifications and torque values
• Searchable PDF with bookmarked chapters
• Suitable for professional workshops and experienced owners

About the T4S Tractor Series

The New Holland T4S Series is designed as a practical utility tractor for mixed farming operations. These machines offer excellent maneuverability, dependable hydraulic performance and efficient power delivery for daily agricultural applications. They are commonly used with front loaders, mowing equipment, balers, transport trailers and a wide variety of three-point hitch implements.

Workshop Repair Coverage

This repair manual follows the same service procedures used by authorized New Holland dealerships, allowing technicians to safely inspect, repair and reassemble major tractor systems while meeting factory specifications.

• Hydraulic control valve servicing
• Transmission removal and overhaul
• Cooling system inspection and repairs
• Front axle servicing and rebuilding
• Engine repair procedures
• Fuel system testing and repairs
• Rear axle maintenance and overhaul
• Differential inspection and repairs
• Final drive servicing
• PTO inspection and adjustment
• Brake system repairs
• Hydraulic pump diagnosis
• Remote hydraulic circuit servicing
• Three-point hitch adjustments
• Hydrostatic steering repairs
• Charging system diagnostics
• Starting system testing
• Electrical troubleshooting procedures
• Factory wiring diagrams
• Torque specifications
• Special workshop service tools

OEM Manual Specifications

Benefits of the OEM Workshop Manual

Unlike generic repair guides, this genuine factory manual provides accurate service information created specifically for the T4S tractor platform. Clear illustrations, factory measurements and systematic troubleshooting procedures help reduce repair time while improving accuracy during maintenance and component replacement.

Who Can Benefit?

• Agricultural equipment technicians
• Independent tractor repair shops
• New Holland dealership mechanics
• Farm maintenance departments
• Fleet service managers
• Agricultural contractors
• Experienced tractor owners performing advanced repairs

Digital PDF Download

Your manual is supplied in PDF format for immediate download after purchase. The fully searchable document allows quick navigation between repair sections, making it convenient to use on a desktop computer, laptop, tablet or smartphone whether you're in the workshop or working in the field.

Frequently Asked Questions

Which tractor models are covered?

This manual covers the New Holland T4.55S, T4.65S and T4.75S tractors.

Is this an official OEM repair manual?

Yes. It is the official New Holland Factory Repair Service Manual with Publication Number 51489991.

Does the manual include electrical wiring diagrams?

Yes. Complete factory electrical wiring diagrams and electrical troubleshooting procedures are included.

Are hydraulic repairs covered?

Yes. The manual includes hydraulic pump servicing, hydraulic circuit diagnostics, control valve repairs and hitch system adjustments.

Can I use this manual to repair the transmission?

Yes. Detailed transmission disassembly, inspection, assembly and testing procedures are provided.

Can I print the manual?

Yes. The PDF is fully printable, allowing individual pages or complete sections to be printed as required.

Who is this manual intended for?

It is suitable for dealership technicians, agricultural mechanics, repair workshops, fleet maintenance teams and knowledgeable tractor owners who require accurate factory repair information.