Part of the Case IH Operator Manuals.
Need a Case IH 1120 operator manual pdf straight from the factory? This 161-page OEM document (Part #9-19560) is exactly what Case IH published for the 1120 Tractor, covering every control and procedure from cold start to seasonal storage. You get a full safety section on ROPS folding, securing, and seat belt adjustment; a complete instruments chapter walking through every gauge and warning indicator on the dash; and step-by-step operating procedures for PTO engagement, differential lock, and three-point hitch operation. Lubrication intervals, fluid capacities, tire spacing, ballast tables, and a storage prep sequence round out the back half. The thermostat opens at approximately 180°F (82°C) and hits full flow at 203°F (95°C): real factory specs, not forum guesses. Your machine is down; get the right numbers on the first try. Bookmarked and searchable; pull it up on any device and jump straight to the section you need.
What's Inside This Case IH 1120 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety/Decals | 6-20 | Safety Rules, Decals, Roll Over Protective Structure (ROPS), Folding the ROPS, Securing the ROPS, Seat Belt |
| Specifications | 21-30 | Diesel Engine, Power Train, Clutch, Hydraulic System, Travel Speeds, Approximate Measurements and Weights |
| Instruments/Controls | 31-47 | Tachometer and Hourmeter, Engine Coolant Temperature Gauge, Fuel Gauge, Starter Key Switch, Engine Speed Control Lever, Clutch Pedal |
| Operating Instructions | 48-75 | Starting the Engine, Run-In Procedure, Seat Belt Adjustment, Stopping the Engine, Power Takeoff (PTO), Differential Lock |
| Field Operation | 76-89 | Connecting Implement to Drawbar, Three Point Hitch System, Hitch System Adjust |
| Tires/Wheels/Spacing/Ballast | 90-105 | |
| Lubrication/Filters/Fluids | 106-134 | |
| Maintenance/ Adjustments | 135-141 | |
| Electrical Systems | 142-154 | |
| Storage | 155-156 | Engine Oil Preparation, Fuel System Preparation, Cooling System Preparation, Battery Preparation, Clutch Assembly Lock, Removing From Storage Procedure |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Action for oil pressure warning light | Shut off the engine immediately. Check for the cause. | p. 31 |
| Thermostat Start to Open Temperature | Approx. 180°F (82°C) | p. 20 |
| Thermostat Fully Open Temperature | 203°F (95°C) | p. 20 |
| Action for Engine Overheating (Red area on gauge) | Run the engine at 1500 RPM without load until the pointer indicates the green area. If the pointer still stays in the red area after three to five minutes, stop the engine immediately and check for the cause. | p. 30 |
| Engine Piston Displacement | 64.75 Cubic Inch (106 cm³) | p. 19 |
| Maximum Horsepower | 19 HP at 2500 RPM | p. 19 |
| Valve Clearance (Cold Engine) | 0.010 inch (0.25mm) | p. 19 |
| Cooling System Pressure Cap | 12.8 PSI (88.3 kPa) | p. 20 |
| Maximum Hydraulic System Pressure | 2133 PSI (14710 kPa) | p. 22 |
| Engine Oil Capacity (with filter change) | 3.7 QTS (3.5 Litres) | p. 105 |
| Fuel Tank Capacity | 5.3 Gallons (20 Litres) | p. 105 |















