New Holland T6.125 – T6.180 AutoCommand Tractor Service Manual

Original price was: $2,064.15.Current price is: $129.10.

Covers: New Holland T6.125, T6.145, T6.155, T6.165, T6.175, T6.180 Autocommand Sidewinder II Tractors

  • S/N ZxEx01001 and above
  • Tier 4B Final/Stage IV, North America
  • Please contact us with serial number to verify compatibility

Type: Service Manual
Language: English
Pages: 6,711
Format: PDF
File size: 248mb
Features: Bookmarked, searchable, printable
Compatibility: Windows/Mac/Tablet/Mobile

Latest edition. This downloadable PDF service manual contains important information for the maintenance, troubleshooting and servicing of New Holland T6.125, T6.145, T6.155, T6.165, T6.175 and T6.180 Tier 4B AutoCommand tractors. In this 6,000+ page manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly service the tractor to the manufacturer’s standards. The table of contents has links to quickly take you to the desired section.

F4 Tier 4B engine repair manual sold separately.



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


  • Slip clutch or flywheel damper


  • Semi-Powershift transmission, external controls, lubrication system and internal components
  • CVT Transmission, external controls, lubrication system and internal components
  • Creeper
  • Overdrive

4WD system

  • Electro-hydraulic control
  • Drive shaft

Front Axle

  • Powered front axle
  • Front bevel gear set and differential
  • Final drive hub, steering knuckles, and shafts
  • Axle suspension control

Rear Axle

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


  • Rear electro-hydraulic control
  • Front/rear PTO

Brakes and controls

  • Hydraulic service brakes
  • Parking brake or parking lock
  • Trailer brake hydraulic & pneumatic control
  • Front axle brake

Hydraulic systems

  • Reservoir, cooler, and filters
  • Fixed displacement pump
  • Variable displacement pump
  • Charge pump
  • Regulated/Low pressure system
  • Remote control valves
  • Auxiliary hydraulic pump
  • Three-point hitch control valve
  • Three-point hitch cylinder
  • Front hitch controls and lines

Rear three-point hitch linkage



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


Cab climate control

Electrical system

  • Harnesses and connectors
  • Wiring diagram
  • Engine control system
  • Alternator
  • Battery
  • Engine intake and exhaust system
  • SCR electrical system
  • Electronic modules
  • Transmission control system and sensors
  • Rear PTO control system
  • Parking brake electrical system
  • Cab controls
  • Remote control valve electric control
  • Cab HVAC controls
  • HVAC control system
  • Steering control system
  • Rear three-point hitch electronic control system
  • GPS
  • External lighting switches and relays
  • Cab or platform harnesses and connectors
  • Warning indicators, alarms, and instruments

Platform, cab, bodywork, and decals

  • Cab
  • Cab roof
  • Engine hood and panels

Please note this manual is in downloadable PDF format only. If you have any questions about this product or would like to request sample pages, please contact us and reference the product name or SKU.

SKU: NH-T6125T4B-SM Category: Tag:

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