Part of the New Holland Operator Manuals.
From the precautionary statements up front to the delivery report checks at the back, this 126-page New Holland TC48DA, TC55DA operator manual PDF (OEM 87301120) walks both tractors through safety, operation, lubrication and maintenance, and specifications end to end. Factory wiring diagrams trace the electrical circuits, while the controls and instruments coverage explains every lever, dashboard indicator, and the tractor hydraulics before you ever start the engine. Lubrication and maintenance fills close to a third of the book, laying out fuel and lubricant service procedures and the intervals that carry a small diesel through a full season. Fill the 51.0-liter fuel tank, then torque the wheel hardware, front and rear, to 125 ft. lbs. (169 N·m) when the schedule calls for it. Every hour spent hunting a number is an hour the field waits. Bookmarked and text-searchable, it downloads once and stays yours for as long as you run these tractors.
What's Inside This New Holland TC48DA, TC55DA Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 8-21 | Precautionary Statements, Operating the Tractor |
| General Information | 22-25 | Minimum Hardware Tightening Torques |
| Operation | 26-65 | Controls and Instruments, Starting the Engine, Lighting, Tractor Hydraulics |
| Lubrication and Maintenance | 66-105 | Fuel and Lubricant Service Procedures, General Maintenance |
| Specifications | 106-119 | Engine, Cooling System, Brakes |
| Delivery Report | 122-126 | Inoperative Service Checks, Safety Items Checks, Operative Service Checks, Fluid Levels, Bolt Torque |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Injector line fitting torque | 18-22 ft. lbs. (24-29 N⋅m) | p. 75 |
| Front Wheel Torque | 125 ft. lbs. (169 N⋅m) | p. 95 |
| Rear Wheel Torque | 125 ft. lbs. (169 N⋅m) | p. 95 |
| Brake Disc Diameter (per axle) | 175 mm x 143 mm (6.9″ x 5.6″) | p. 108 |
| Fuel Tank Capacity | 51.0 liters | p. 106 |
| Engine Crankcase Oil Capacity (with filter) | 7.0 liters | p. 106 |
| Rear Axle & Transmission Oil Capacity | 42.0 liters | p. 106 |
| Front Axle Final Reduction/Differential Gear Case Oil Capacity | 5.8 liters | p. 106 |
| Front Wheel Bolt Torque | 125 ft. lbs. | p. 93 |
| Rear Wheel Bolt Torque | 125 ft. lbs. | p. 93 |
| Rear Disc Torque | 180 ft. lbs. | p. 93 |
| ROPS Mounting Bolt Torque (bolts) | 55 ft. lbs. | p. 84 |
| Main spring length | 77 mm | p. 53 |
