Part of the New Holland Operator Manuals.
This 276-page New Holland Workmaster 55, 65, 75 Operator Manual (OEM #51590514) puts every control, gauge, and daily check for your tractor in one place, whether you're running the 55, the 65, or the 75. Inside you get a full safety rules section covering jack points and fire prevention, a complete controls walkthrough from the operator's platform to the overhead switches, and a maintenance section broken into 10-hour, 50-hour, 100-hour, and 300-hour intervals so you know exactly when to check what. You also get a troubleshooting section for fault code resolution and symptom diagnosis, plus a specifications chapter with weights and general data. Fill the cooling system to 9.0L, top the fuel tank at 82.0L, and torque the 4WD front wheel hub bolts to 245 N-m; real factory numbers, not guesswork. Your warning lamp shouldn't be a mystery. Bookmarked by section, so you tap straight to maintenance intervals or fault codes without hunting through 276 pages.
What's Inside This New Holland Workmaster 55, Workmaster 65, Workmaster 75 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 9-22 | Note to the Owner, Foreword, Advice, Product Identification, Product Identification Tractor Identification Information |
| Safety Information | 23-44 | Safety Rules Tractor Jack Points, Safety Rules Preventing Fire and Explosion, Personal Safety Getting in and Out of the Tractor, Note to the Owner Tractor Use, Noise Level |
| Controls and Instruments | 45-90 | Access to Operator's Platform, Operator's Seat, Instructional Seat, Forward Controls, Left-Hand Side Controls, Right-Hand Side Controls, Overhead Controls, Exterior Controls |
| Operating Instructions | 91-92 | Starting the Unit |
| Transport Operations | 93-94 | Road Transport |
| Working Operations | 95-144 | Wheels and Tires, Towbar |
| Maintenance | 145-218 | Maintenance Planning, Flexible Maintenance, When the Warning Lamp Lights, Every 10 Hours or Each Day, Every 50 Hours, Every 100 Hours, Every 300 Hours |
| Troubleshooting | 219-226 | Fault Code Resolution, Symptom(s) |
| Specifications | 227-236 | General Specification Technical Specifications, Accessories - Weight, Engine - General Specification, Air Cleaners and Lines - General Specification |
| Accessories | 237-266 | Accessories - Overview Front Loader-Personal Safety, Accessories - Operating Front Loader-Joystick |
| Forms and Declarations | 267-276 | Service Record First 50 Hours Maintenance Form – Customer Copy, Service Record First 50 Hours Maintenance Form – Dealership Copy |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Cooling system capacity | 9.0 L | p. 145 |
| Fuel tank capacity | 82.0 L | p. 145 |
| Engine oil capacity (with filter) | 8.6 L | p. 145 |
| Air conditioning system coolant gas | 1.5 kg | p. 145 |
| 4WD front wheels: Wheel hub bolts torque | 245 N·m | p. 157 |
| Rear wheels: Wheel rim bolts torque | 314 N·m | p. 157 |
| Electrical system Voltage | 12 V | p. 234 |
| Front loader 72" bucket weight | 191 kg | p. 235 |
| Workmaster 75 | ||
| Maximum Power: ECE R120 | 75 Hp @ 2300 RPM | p. 230 |
| Maximum Torque | 341 N·m @ 1400 RPM | p. 230 |
| 550LU | ||
| Front loader Max lift height at pivot pins | 3350 mm | p. 235 |
New Holland Workmaster 55, Workmaster 65, Workmaster 75 Common Problems This Manual Covers
New Holland Workmaster 65 engine temperature gauge rising rapidly during heavy towing, warning lamp lights up on dashboard. p. 145
Check the coolant reservoir level and inspect the radiator fins for debris. Drain and refill the cooling system with exactly 9.0 L of fresh coolant as outlined on page 145. Clean the exterior screens daily to prevent airflow restriction during heavy operations. Verify the warning lamp turns off after restart.
Manual Section: MaintenanceError 52 displaying on instrument cluster, soft brake pedals with excessive pedal travel when stopping. p. 226
Inspect the parking brake linkage for misalignment or heavy debris buildup. Check the torque on the rear wheel rim bolts, ensuring they are tightened to 314 N·m as specified on page 157. Verify pedal travel returns to normal and clear the fault code before resuming field operation.
Manual Section: Instrument Cluster Error CodesEngine won't start in cold weather, starter motor turns over slowly and battery charge indicator light flashes. p. 219
Inspect the battery terminals for corrosion and verify the electrical system voltage reads a steady 12 V. Check the troubleshooting procedures on page 219 for cold start steps. Clean all ground connections and ensure the battery is fully charged before attempting to crank the engine again.
Manual Section: Engine TroubleshootingImplement not raising correctly when operating the front loader joystick, Error 75 displaying on the instrument cluster. p. 235
Verify the front loader attachment weight does not exceed the 191 kg limit for a 72-inch bucket as shown on page 235. Check the instrument cluster error reference on page 226. Clear the servo fault code and test the joystick response through its full range of motion.
Manual Section: SpecificationsFrequently Asked Questions
How do you fix new Holland Workmaster 65 engine temperature gauge rising rapidly during heavy towing, warning lamp lights up on dashboard?
Check the coolant reservoir level and inspect the radiator fins for debris. Drain and refill the cooling system with exactly 9.0 L of fresh coolant as outlined on page 145. Clean the exterior screens daily to prevent airflow restriction during heavy operations. Verify the warning lamp turns off after restart.
How do you fix error 52 displaying on instrument cluster, soft brake pedals with excessive pedal travel when stopping?
Inspect the parking brake linkage for misalignment or heavy debris buildup. Check the torque on the rear wheel rim bolts, ensuring they are tightened to 314 N·m as specified on page 157. Verify pedal travel returns to normal and clear the fault code before resuming field operation.
How do you fix engine won't start in cold weather, starter motor turns over slowly and battery charge indicator light flashes?
Inspect the battery terminals for corrosion and verify the electrical system voltage reads a steady 12 V. Check the troubleshooting procedures on page 219 for cold start steps. Clean all ground connections and ensure the battery is fully charged before attempting to crank the engine again.
How do you fix implement not raising correctly when operating the front loader joystick, Error 75 displaying on the instrument cluster?
Verify the front loader attachment weight does not exceed the 191 kg limit for a 72-inch bucket as shown on page 235. Check the instrument cluster error reference on page 226. Clear the servo fault code and test the joystick response through its full range of motion.
How will I receive this New Holland Workmaster 55, 65, 75 Operator Manual?
Immediate download of the complete 276-page searchable Operator Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.















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