Part of the New Holland Operator Manuals.
Service intervals for the Workmaster 25S compact tractor are settled in one place: the 172 page New Holland Workmaster 25S operator manual PDF, factory document 51409930. Maintenance holds the largest share of the book, sequenced from daily 8 hour checks through the 50, 250, 500, and 1000 hour services out to the two year items. Control layouts, dashboard indicators, starting and parking procedures, safety decal placement, engine troubleshooting symptoms, and general specifications fill the rest. Refill the crankcase with 2.9 L (3.1 US qt) of oil when you change the filter, and pull rear wheel hardware to 65 N·m (48 lb ft) before road transport. A made-up ROPS bolt torque protects no one. Bookmarks and a live text layer take you to the 50 hour checklist in a couple of clicks, so the service is done before the weather turns.
What's Inside This New Holland Workmaster 25S Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 7-16 | Note to the Owner, Intended Use, Electro-Magnetic Compatibility, Product Identification Number, Operator's Manual Storage on the Machine, Machine Orientation |
| Safety Information | 17-44 | Safety Rules and Signal Word Definitions, Safety Rules, Do Not Operate Tag, Ecology and the Environment, Safety Signs, Instructional Signs |
| Controls and Instruments | 45-70 | Access to Operator's Platform, Operator's Seat, Forward Controls, Left-Hand Side Controls, Right-Hand Side Controls, Rearward Controls, Exterior Controls |
| Operating Instructions | 71-86 | Commissioning the Unit, Starting the Unit, Stopping the Unit, Moving the Unit, Parking the Unit |
| Transport Operations | 87-88 | Road Transport, Shipping Transport |
| Working Operations | 89-104 | General Field Operation |
| Maintenance | 105-154 | Maintenance Planning, Every 8 Hours or Daily, After the First 50 Hours of Operation, Every 50 Hours, Every 250 Hours, Every 500 Hours, Every 1000 Hours, Every Two Years |
| Troubleshooting | 155-158 | Engine Troubleshooting |
| Specifications | 159-164 | Tractor General Specifications |
| Forms and Declarations | 165-172 | Pre-Delivery Report |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine oil capacity with filter | 2.9 L (3.1 US qt) | p. 117 |
| Roll Over Protective Structure (ROPS) bottom portion mounting bolts torque | 76 N·m (56 lb ft) | p. 134 |
| Seat belt mounting bolts torque | 61 N·m (45 lb ft) | p. 134 |
| Battery cold cranking ability | 430 A at -18 °C (0 °F) | p. 146 |
| Belt deflection | 10.0 – 14.0 mm (0.4 – 0.6 in) | p. 145 |
| Engine Oil Capacity (with filter) | 2.9 L (3.1 US qt) | p. 117 |
| Transmission fluid capacity | 12.5 L (3.3 US gal) | p. 139 |
| Front axle housing fluid capacity | 2.0 L (2.1 US qt) | p. 138 |
| ROPS bottom mounting bolt torque | 76 N·m (56 lb ft) | p. 122 |
| Seat belt mounting bolt torque | 61 N·m (45 lb ft) | p. 122 |
| Front wheel hardware tightening torque | 75 N·m (55 lb ft) | p. 123 |
| Rear wheel hardware tightening torque | 65 N·m (48 lb ft) | p. 123 |
New Holland Workmaster 25S Common Problems This Manual Covers
New Holland Workmaster 25S engine runs hot and temperature gauge climbs during mowing
Check coolant level with the engine cold and clean the radiator screen and fins with compressed air. Inspect the fan belt; deflection should be 10.0 to 14.0 mm (0.4 to 0.6 in) under 10 kg (22 lb) of load. If the gauge still climbs, run the overheating checks in engine troubleshooting on page 155.
Manual Section: Engine Troubleshooting p. 155Tractor gradually loses hydrostatic drive speed, especially in reverse, and the foot pedal feels sloppy
Check the hydro foot pedal linkage under the right-hand floorboard; a sheared roll pin there is the usual cause of lost reverse speed. Verify transmission fluid sits at the full mark, total capacity is 12.5 L (3.3 US gal) per page 139, then work through the hydrostatic transmission checks before the mowing window closes on you.
Manual Section: Hydrostatic transmission - TroubleshootingPTO will not engage when the switch is pulled, no noise from the clutch
Check the full engagement sequence in the operator controls section on page 45: operator seated, engine at working speed, switch pulled up. Verify the main 40 A fuse shown on page 148 and the PTO circuit fuses are good, then inspect the clutch connector under the tractor for corrosion or a loose pin.
Manual Section: Controls and Instruments p. 45Starter turns the engine slowly in cold weather and the engine will not fire
Test the battery first; it should deliver 430 A of cold cranking at -18 °C (0 °F) per page 146, so a weak reading means charge or replace it before chore time. Clean and tighten both cable terminals, verify the cold start aid works, and follow the start failure checks in engine troubleshooting on page 155.
Manual Section: Engine Troubleshooting p. 155Excessive vibration through the platform and deck bolts working loose during mowing
Check wheel hardware first; torque front wheel bolts to 75 N·m (55 lb ft) and rear wheel bolts to 65 N·m (48 lb ft) per page 123. Inspect deck and belt cover bolts before each use, and add those fasteners to your daily walkaround from the maintenance schedule on page 105.
Manual Section: Maintenance p. 105Frequently Asked Questions
What are the torque specifications for the wheel bolts on the New Holland Workmaster 25S?
The front wheel hardware should be tightened to 75 N·m (55 lb ft). The rear wheel hardware should be tightened to 65 N·m (48 lb ft). p. 123
What is the engine oil capacity for the New Holland Workmaster 25S?
The engine oil capacity, including the filter, is 2.9 L (3.1 US qt). p. 117
What is the correct belt deflection for the alternator belt on the Workmaster 25S?
A correctly tightened alternator belt will deflect 10.0 – 14.0 mm (0.4 – 0.6 in) when 10 kg (22 lb) of pressure is applied midway between the pulleys. p. 145
What is the transmission and rear axle fluid capacity for the Workmaster 25S?
The transmission fluid capacity is 12.5 L (3.3 US gal). p. 139
What is the torque specification for the ROPS bottom mounting bolts on a New Holland Workmaster 25S?
The M12 bottom portion mounting bolts for the ROPS should be torqued to 76 N·m (56 lb ft). p. 122
What exactly do I receive with this New Holland Workmaster 25S Operator Manual?
You get a 172-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Can I print just the pages I need from this New Holland Workmaster 25S manual?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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