New Holland TT55, TT75 Tractor Service Repair Manual PDF Download


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New Holland TT55, TT75 Tractor Service Repair Manual PDF Download

This factory authorized New Holland manual provides high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, cross-links for easy navigation.

This professional service manual is the complete & latest edition available and contains service procedures for the New Holland TT55, TT75 Tractor. In this TT55, TT75 tractor service manual you will find detailed step-by-step instructions, illustrations, specifications and diagrams. View the TT55, TT75 Tractor service manual on your computer or print off detailed information to service or repair your tractor to the manufacturer’s standards. A service manual is also referred to as a repair manual or shop manual.

Topics in the New Holland TT55, TT75 Tractor Service Manual:



  • Specifications
  • Torque Data
  • Engine Special Tools
  • Engine Sectional Views
  • Engine Removal
  • Splitting the tractor
  • Engine Reinstallation
  • Engine Disassembly
  • Engine Assembly
  • Checks, Dimensions and Repairs
  • Cylinder Block and Cylinder Liners
  • Crankshaft, Main Bearings and Flywheel
  • Connecting Rod
  • Pistons
  • Camshaft, Tappets and Valves
  • Cylinder Head
  • Valve Guide Replacement
  • Valve Seat In Cylinder Head Refacing
  • Injector Sleeve Replacement
  • Rotating Counterweight Dynamic Balancer
  • Engine Lubrication System Overhaul
  • Crankshaft Front Oil Seal Removal/Installation
  • Coolant System Overhaul
  • Fuel System Overhaul
  • Valve Clearance Adjustment
  • Engine Testing
  • Air Cleaning System


  • Specifications
  • Clutch Assembly Removal/Installation
  • Clutch Overhaul
  • Transmission Clutch Pedal Free-Travel and Adjustment
  • Adjusting PTO Clutch Linkage


  • Specifications
  • Transmission Removal and Installation
  • Inspecting the Transmission
  • Assembling the Transmission


  • Transfer Box and Axle Shaft


  • Four-wheel Drive Front Axle Specifications
  • Special Tools
  • Four-wheel Drive Front Axle Special Tools
  • Four-wheel Drive Front Axle – Description and Operation
  • Four-wheel Drive Front Axle Repair
  • Complete Front Axle
  • Steering Knuckle Pins and Bearings
  • Stub Axle Adjustment
  • Bevel Drive Adjustments
  • Front Axle Differential
  • Checking the Alignment of Steering-Drive Wheels


  • Special Tools
  • Rear Transmission Housing Removal/Installation
  • Bevel Drive and Differential Removal
  • Reassembling the Bevel Drive and Differential
  • Final Drive
  • Final Drive Removal
  • Final Drive Disassembly (Cover)
  • Final Drive Disassembly (Housing)
  • Final Drive Assembly


  • 2WD Front Axle and Steering Specifications
  • Two-Wheel Drive Front Axle and Steering Special Tools
  • Front Axle Repair
  • Front Axle Removal and Installation
  • Steering Knuckle Overhaul
  • Axle Checks
  • Determining Front Wheel Toe In/Toe Out


  • Specifications
  • PTO Operation
  • Power Take-off
  • PTO Removal and Installation


  • Specifications
  • Description and Operation
  • Brake Pedal Free-Travel/Adjustment
  • Parking Brake T-Handle Free-Travel/Adjustment
  • Brake Disassembly


  • Hydraulic Lift Specifications
  • Special Tools
  • Hydraulic System Precautions
  • Description and Operation
  • Remote Control Valves
  • Remote Valve Control Levers
  • Quick-fit Couplers
  • Mid-mount Coupler Relocation Kit [Optional]
  • Switching Between Single and Double-acting Cylinders
  • Hydraulic Power Lift (HPL)
  • Hydraulic Lift Main Control Valve Settings
  • Hydraulic System Operation
  • Hydraulic Lift Disassembly
  • Control Valve Disassembly
  • Control Valve Assembly
  • Hydraulic Lift Assembly
  • Lift Adjustment on Bench
  • Lift Adjustment and Checks on the Tractor
  • Relief Valve and Cylinder Safety Valve Checks
  • Oil Filter
  • Implement Attachment
  • Remote Control Valves
  • Dual Remote Valve Description and Operation
  • Double Acting Valve with Detent Float
  • Dual Remote Valve System Tests
  • Hydraulic System with One Remote Valve Installed
  • Hydraulic System with Two Remote Valves Installed
  • Hydraulic System with Three Remote Valves Installed


  • Steering System Specifications
  • Description and Operation
  • Steering System Testing and Adjustment
  • Determining Front Wheel Toe In/Toe Out
  • Hydrostatic Steering Motor Overhaul
  • Front Axle Steering Cylinders
  • Steering Cylinder – 2WD
  • Steering Cylinder – 4WD


  • Fault Finding
  • Precautionary Statements
  • Electrical System — Description and Operation
  • Wire Harnesses
  • Component Location
  • Instrument Panel
  • Control Switches
  • Lamps
  • Fuses and Relays
  • Starter Specifications
  • Starter Description and Operation
  • Starting System Testing
  • Resistance In Ignition System Circuit (Voltage Drop)
  • Positive Battery Cable
  • Starter Motor Grounding
  • Battery Ground Cable
  • Starter Motor Removal and Re-installation
  • Servicing the Starting Motor
  • Armature Shaft End Play
  • Starter Motor Test Without Load
  • Bench Tests
  • Alternator Specifications
  • System Testing and Troubleshooting
  • Preliminary Tests
  • Alternator Component Tests
  • Removal and Servicing
  • Rotor and Regulator Field Circuit Test
  • Battery
  • Wiring Diagrams


  • Engine Hood Panel Assembly
  • Rear Wheel Fenders
  • Roll-over Protection (ROPS) Bar
  • Battery Removal
  • Installation

Covers: New Holland TT55, TT75 Tractor
Pages: 432
Format: PDF file
File size: 24mb
Compatibility: Windows/Mac/Tablet
Note: Instant digital download only – no printed copy or CD-ROM media.

This is authentic Original Equipment Manufacturer OEM New Holland manual in PDF format. The New Holland Factory Service Manual (FSM) is the complete, latest edition available and contains all service procedures for New Holland agriculture equipment. In this New Holland service manual (also referred to as the New Holland repair manual or New Holland shop manual) you will find detailed step-by-step instructions, specifications, illustrations and diagrams. The New Holland Parts Manual, also called the parts catalog or IPL (Illustrated Parts Lookup) contains detailed parts explosions, exploded views, and breakdowns of all part numbers for all aspects of your specific New Holland equipment, including detailed engine parts breakdowns. The New Holland Operation and Maintenance Manual, or OMM, is the manual for owners and operators. It contains important information and instructions for operating your New Holland and includes maintenance descriptions of the functions and capabilities of the system. Description of possible faults / problems and their solution.