Part of the New Holland Operator Manuals.
Hydraulic oil level with remote equipment connected trips up more T5 owners than anything else, and this 418-page New Holland T5.120 operator manual PDF, OEM publication 51524834, settles it, covering the T5.100 and 110 tractors as well. The transmission chapter walks you through range shifting and the Autoshift function, while rear remote valves, three-point hitch adjustment, ballasting, and both PTO systems carry their own operating sections. Maintenance fills roughly the last third of the book: an interval chart from daily checks out to the 1200-hour fluid changes, plus greasing points, filter service, and SCR care. Cap transmission oil at 38 L (10.0 US gal) on the Extra Level mark before you work remote cylinders, and hold compressed air under 5 bar (72.5 psi) when cleaning the air filter element. Guess the level and you starve a loader circuit. Bookmarks and a live text layer put you two clicks from any spec, then back to the field.
What's Inside This New Holland T5.120 Electro Command Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 11-32 | Introduction, Dealer Service and Parts, Body Maintenance, Selective Catalytic Reduction Exhaust Treatment - Basic Instructions, Biodiesel Fuel - Biodiesel Fuels, Engine Oils |
| Safety Information | 33-72 | Safety Rules - General Information, Safety Rules - Maintenance, Safety Rules - Wheels and Tires, Safety Rules - Explosions and Fires, Safety Rules - Fire Extinguisher |
| Controls and Instruments | 73-146 | Access to Operator's Platform (Getting in and Out of the Machine, Getting to Know the Internal Parts of the Cab, External Rear View Mirrors, Clock Adjustment) |
| Operating Instructions | 147-158 | Commissioning the Unit (Basic Operating Safety Rules, Refueling, Filling the Diesel Exhaust Fluid/AdBlue Tank) |
| Transport Operations | 159-162 | Road Transport (Transporting the Machine), Recovery Transport (Recovery and Towing, Towing the Tractor) |
| Working Operations | 163-290 | Transmission (Operation, Autoshift Function), Rear Remote Control Valves (Front Remote Control Valve Couplers, Hydraulic Oil Level When Using Remote Hydraulic Equipment) |
| Maintenance | 291-418 | Maintenance Planning (Maintenance Chart) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Maximum oil volume (Extra Level, Operation A) | 22 L (5.8 US gal) | p. 192 |
| Maximum oil volume (Extra Level, Operation B) | 30 L (7.9 US gal) | p. 192 |
| Maximum pressure for radiator cleaning | 7 bar (101.5 psi) | p. 310 |
| Air cleaner cleaning compressed air pressure | 5 bar (72.5 psi) | p. 314 |
| Wash / windscreen wiper fuse (F-046) size | 10.0 A | p. 359 |
| Front window wiper circuit power supply fuse (F6) size | 10 A | p. 361 |
| Torque increase | 38% | p. 393 |
| Engine Oil Capacity (with filter) | 9.50 L | p. 304 |
| Transmission Oil Capacity | 63.00 L | p. 304 |
| Fuel Tank Capacity | 165.00 L | p. 304 |
| Coolant Capacity | 16.00 L | p. 304 |
| Disc to hub nut torque (M16) | 220 N·m | p. 271 |
New Holland T5.120 Electro Command Common Problems This Manual Covers
New Holland T5.120 won't start, starter clicks or engine cranks slowly after sitting overnight in cold weather
Check battery voltage first; a healthy battery reads 12.6 V per the electrical troubleshooting chart on page 373. Clean and tighten both terminals, then confirm the shuttle lever is in neutral and the PTO is disengaged before cranking. If the starter still clicks, test the starter relay connections for corrosion before replacing parts.
Manual Section: Electrical Systems Troubleshooting p. 373Rear remote hydraulics slow or jerky when lifting loader or running implement cylinders, oil light comes on
Check the transmission oil level with all cylinders retracted before anything else. Remote equipment draws from the common sump, so add extra oil per the chart on page 192; Operation A at Extra Level allows up to 22 L (5.8 US gal) additional. Wipe and reseat the remote couplers, since a half-seated coupler mimics a worn spool valve.
Manual Section: Hydraulic Systems Troubleshooting p. 192Engine temperature gauge climbs into red zone during heavy field work, coolant boiling over
Check the grille and radiator fins for chaff buildup after shutting down and letting the engine cool. Blow debris out from the engine side, keeping air pressure under 7 bar (101.5 psi) per the cleaning procedure on page 310. Verify coolant level once cool; the system holds 16.00 L when full.
Manual Section: Engine TroubleshootingFront windscreen wiper stopped working or drags slowly across the glass in rain
Check fuse F-046 first; the wash and wiper circuit runs a 10.0 A fuse listed on page 359, and the front wiper power supply uses a 10 A fuse (F6) shown on page 361. Replace any blown fuse with the same rating. If fuses are good, inspect the wiper arm for a worn spline or bent pivot.
Manual Section: Maintenance p. 359Three-point hitch will not raise fully or drops slowly with mounted implement, status light flashing
Verify the hitch is not in transport lock and cycle the lift control to clear a flashing status light. Check transmission oil level on flat ground; the rear axle sump feeds the hitch and holds 63.00 L total per page 304. Verify the drop rate control is not screwed fully closed before working the raise switch again.
Manual Section: Rear Three-Point Hitch TroubleshootingFrequently Asked Questions
How do I clear fault codes on a New Holland T5.120?
To clear fault codes, you must first access the fault code list by pressing the switch (1) on the symbol (B) for more than 3 seconds to enter the 'SETUP MENU'. Navigate to the fault code symbol (S1) using the switch (2) and press switch (1) on symbol (B) to view the codes. To quit viewing error codes, press the switch (1) on the symbol (A). p. 136
What are the torque specifications for the wheel disc to hub nuts on a New Holland T5.120?
For the M16 disc to hub nuts, the torque specification is 220 N·m (162.3 lb ft). For the M18 disc to hub nuts, the torque specification is 310 N·m (228.6 lb ft). p. 271
How do I perform the transmission clutch calibration?
To perform the transmission clutch calibration, park on level ground, switch off the engine, and place chocks under the wheels. While starting the engine, press and hold both upshift and downshift buttons (1) and (2) or the menu navigation switch (1). Follow the procedure on page 367 to complete the automatic calibration once 'Syn' appears on the central display. p. 366
What is the engine oil capacity for the T5.120?
The engine oil capacity, including the filter, is 9.50 L (2.09 UK gal) or 8.36 kg (18.43 lb). The oil sump capacity (MIN-MAX) is 6.40 – 8.10 L (1.41 – 1.78 UK gal) or 5.63 – 7.13 kg (12.41 – 15.72 lb). p. 304
What is the recommended engine oil for the T5.120?
The recommended engine oil is NEW HOLLAND AMBRA UNITEK 10W-40 or NEW HOLLAND AMBRA UNITEK SSL 0W-40, meeting the CNH MAT3521 or ACEA E9/E6 specifications. p. 303
How will I receive this New Holland T5.120 Operator Manual?
You download the Operator Manual yourself: 418 pages, searchable PDF, available immediately. Keep a copy on every device you use.
Can I print this New Holland T5.120 manual?
Yes. The PDF is DRM-free, so printing works from any reader and any printer.
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