New Holland T6.125, T6.145, T6.155, T6.160, T6.165, T6.175, T6.180 AutoCommand and 1 more Tractor Service Manual
10,961 pages · Publication 51666744 · T6.125, T6.145, T6.155, T6.160, T6.165, T6.175, T6.180 AutoCommand, Dynamic Command Stage IV
Added to your cart. View cart

What's inside
From the manual's own table of contents: 71 sections, 120 entries. See sample pages (PDF, 962 KB)
Show all 71 sections
Four-Wheel Drive (4WD) system2 topics
- Electro-hydraulic control
- Drive shaft
Front axle system5 topics
- Powered front axle
- Front bevel gear set and differential
- Final drive hub, steering knuckles, and shafts
- Axle suspension control
- Non-powered front axle
Rear axle system3 topics
- Powered rear axle
- Rear bevel gear set and differential
- Planetary and final drives
Power Take-Off (PTO)5 topics
- Rear electro-hydraulic control
- Two-speed rear Power Take-Off (PTO)
- Three-speed rear Power Take-Off (PTO)
- Front Power Take-Off (PTO) control
- Front Power Take-Off (PTO)
Brakes and controls5 topics
- Hydraulic service brakes
- Parking brake or parking lock
- Trailer brake hydraulic control
- Trailer brake pneumatic control
- Front axle brake
Hydraulic systems2 topics
- Reservoir, cooler, and filters
- Fixed displacement pump
Heating2 topics
- Ventilation
- Air conditioning
Electrical systems25 topics
- Electrical system
- Harnesses and connectors
- Engine control system
- Engine starting system
- Alternator
- Battery
- Engine intake and exhaust system
- Selective Catalytic Reduction (SCR) electrical system
- Electronic modules
- Transmission control system
- Transmission speed sensors
- Transmission pressure sensors and switches
- Transmission temperature sensors
- Transmission position sensors and switches
- Four-Wheel Drive (4WD) control system
- Front axle control system
- Rear axle control system
- Rear Power Take-Off (PTO) control system
- Front Power Take-Off (PTO) control system
- Service brake electrical system
- Parking brake electrical system
- Trailer brake electrical system
- Remote control valve electric control
- Hydraulic system control
- Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls
Inside this manual
Real pages from this service manual (10,961 pages). Open the sample pages (PDF, 962 KB)
- Diagram, page 2,976: Electrical systems - Harnesses and connectors
- Specifications, page 5,004: Electrical systems - Alternator
- Troubleshooting, page 8,722: B. If the error code is displayed, go to step 4.
- Color page, page 2,195: Hydraulic systems - Hydraulic systems
- Color page, page 644: Transmission - Semi-Powershift transmission internal components
- Foldout diagram (color), page 312: Transmission - Semi-Powershift transmission
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 10,961 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).