New Holland T4.90, T4.100, T4.110, T4.120 Tier 4B Tractor Service Manual


Covers: New Holland T4.90, T4.100, T4.110, T4.120 Tier 4B Tractors

  • Please contact us with PIN/serial for compatibility questions

Pages: 3,737
Format: PDF file
File size: 221mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

This service manual contains comprehensive procedures, illustrations, specifications and diagrams for New Holland T4.90, T4.100, T4.110 and T4.120 tractors. Conveniently view and print the manual on your computer, tablet or smartphone to service or repair the tractor to OEM standards.

Latest edition, dated 06/2015. Tier 4b engine repair manual sold separately.



  • Engine removal and installation
  • Fuel tanks
  • Air cleaners and lines
  • Intake and exhaust manifolds and muffler
  • SCR exhaust treatment
  • Engine cooling system
  • Fan and drive
  • Aftercooler


  • Clutch mechanical release control
  • Clutch hydraulic release control
  • Clutch and components


  • Mechanical transmission external controls
  • Power shuttle transmission
  • Master clutch housing
  • Power shuttle transmission external controls
  • Power shuttle transmission internal components
  • Creeper
  • Reverser
  • Hi-Lo unit
  • Transmission cooler and lines
  • Transmission/Rear drive
  • Transmission/Rear drive internal components
  • Transmission generic sub-group

Four-Wheel Drive (4WD) system

  • Mechanical control
  • Electro-hydraulic control
  • Drive shaft

Front axle system

  • Powered front axle
  • Front bevel gear set and differential
  • Final drive hub, steering knuckles, and shafts
  • Non-powered front axle

Rear axle system

  • Rear bevel gear set and differential
  • Planetary and final drives
  • Powered rear axle

Power Take-Off (PTO)

  • Rear mechanical control
  • Rear electro-hydraulic control
  • 1 and 2 speed rear PTO

Brakes and controls

  • Hydraulic service brakes
  • Parking brake or parking lock
  • Trailer brake hydraulic control

Hydraulic systems

  • Fixed displacement pump
  • Remote control valves
  • Three-point hitch control valve
  • Three-point hitch cylinder
  • Front hitch controls and lines
  • Front loader arm hydraulic system
  • Front loader bucket hydraulic system

Hitches, drawbars, and implement couplings

  • Drawbars and towing hitches
  • Rear three-point hitch external controls
  • Rear three-point hitch
  • Rear three-point hitch linkage
  • Front hitch
  • Front hitch linkage


  • Steering control
  • Tie rods
  • Hydraulic control components
  • Pump
  • Cylinders


Cab climate control

  • Heating
  • Ventilation
  • Air conditioning

Electrical systems

  • Harnesses and connectors
  • Alternator
  • Battery
  • Engine intake and exhaust system
  • Selective Catalytic Reduction (SCR) electrical system
  • Electronic modules
  • Wiper and washer system
  • External lighting
  • Warning indicators, alarms, and instruments

Front loader and bucket

  • Arm
  • Bucket
  • Front loader and bucket generic sub-group

Platform, cab, bodywork, and decals

  • Cab
  • Cab interior
  • Cab interior trim and panels.
  • Cab doors and hatches
  • Cab glazing
  • Operator platform less cab
  • Engine hood and panels
  • Engine shields, hood latches, and trims
  • Fenders and guards

If you would like to request sample pages for this manual, please contact us.

How does this work?

It’s simple – after purchasing this manual through our secure checkout, a download link will be sent to the email address you specify at checkout. You have up to 90 days to retrieve and save the file. Once saved, the manual is yours for good.

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SKU: NH-T4-T4B Category: