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All 84 pages of this International 1255, 1455 Operator Manual (OEM #1091540R2) are factory-written for one job: keeping your 1255 or 1455 diesel tractor running right and running safe. Inside you get a full instrument cluster and controls walkthrough, step-by-step operating procedures from cold-start to shutdown, and a dense maintenance schedule covering engine, transmission, hydraulics, axles, and chassis. You also get wiring diagrams for electrical troubleshooting, plus a trouble shooting section that tackles engine overheating, hard starts, power loss, and oil pressure faults. Front field tire pressure runs 0.15-0.2 MPa; change the oil filter every 100 hours on the 1455 or every 200 hours on the 1255. That's factory schedule, not forum math. Your machine doesn't wait. Bookmarked and keyword-searchable, this PDF opens on any device so you can pull up the right spec before you touch a wrench.
What's Inside This Case IH 955, 1055, 1255, 1455 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 13-16 | Index, General Instructions and Precautions, Safety Rules |
| Technical Data | 17-21 | Capacities, Dimensions, Travelling Speeds, Recommended Lubricants, Special Torques, Si Measurements |
| Preparing for Each Day's Work | 22 | Fuel, Crankcase Oil |
| Instruments and Controls, Operator's Cab | 23-29 | Instrument Cluster, Control Levers, Switches, Differential Lock Pedal, Air Pressure Gauge, Heating |
| Operating the Tractor | 30-32 | Breaking-In Period, Starting the Engine, Stopping the Engine, Turbo Clutch, Towing the Tractor, Operator's Seat |
| Operating Adjustments | 33-35 | Jerrican-Weights, Liquid Weight, Antifreeze Solution, Adjusting Front Wheel Tread Width, Adjusting Rear Wheel Tread Width |
| Operating Equipment | 36-47 | PTO, Trailer Hitch, Drawbar, Three-Point Suspension Hitch, Hydraulic Lift, Front Loader |
| Maintenance | 48-79 | Servicing and Inspections, Engine, Transmission and Hydraulic System, Axles, Chassis, Electrical Equipment |
| Storing and Housing | 80-81 | Preparing for Storage, Servicing Engine During Storage, Preparing for Operation |
| Trouble Shooting | 82-84 | Engine Overheats, Engine Will Not Start, Uneven Engine Operation, Engine Does Not Develop Full Power, Loss of Oil Pressure, Engine Knocks |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 1455 | ||
| Engine oil filter replacement interval | every 100 h | p. 46 |
| 1255 | ||
| Engine oil filter replacement interval | every 200 h | p. 46 |
| All Models | ||
| Front wheel tire pressure (field) | 0.15-0.2 MPa | p. 18 |
| Cylinder head bolts torque | 14-15 daNm | p. 20 |
| Fuel Tank Capacity | 140 Liters | p. 17 |
| PTO Max. Permissible Power Transmission (540/min) | 55 kW | p. 36 |
| Front Wheel Toe-in (4-wheel drive axle) | 0-2 mm | p. 70 |
Case IH 955, 1055, 1255, 1455 Common Problems This Manual Covers
International 1255, 1455 PTO clutch release mechanism failing or wearing out prematurely during field operation p. 36
Verify your operating procedures in the manual to ensure you are not latching the hand clutch in the disengaged position. Check the implement power requirements to ensure they do not exceed the maximum permissible power transmission of 55 kW at 540 RPM as specified on page 36.
Manual Section: Operating EquipmentEngine cranks over but refuses to start after running out of fuel during heavy field work p. 82
Fill the fuel tank to its full 140 Liters capacity as listed on page 17 to prevent condensation. Vent the fuel system to remove trapped air from the lines and filter. Check the troubleshooting guide on page 82 if the engine still refuses to start.
Manual Section: Trouble ShootingWarning lamp illuminating for low engine oil pressure or erratic gauge readings during warm up p. 46
Inspect the engine oil level and check for correct oil quality before starting the tractor. Replace the engine oil filter cartridge every 100 h for the 1455 model as outlined on page 46. Look for a clogged filter or faulty oil pressure warning switch.
Manual Section: Operating EquipmentTractor wandering across the field and front tires showing uneven tread wear patterns p. 70
Measure the front wheel toe-in on your 4-wheel drive axle to confirm it is within the 0-2 mm specification shown on page 70. Adjust the steering tie rods if the measurement is out of spec. Verify the front wheel field tire pressure is 0.15-0.2 MPa on page 18.
Manual Section: MaintenanceFrequently Asked Questions
How do you fix International 1255, 1455 PTO clutch release mechanism failing or wearing out prematurely during field operation?
Verify your operating procedures in the manual to ensure you are not latching the hand clutch in the disengaged position. Check the implement power requirements to ensure they do not exceed the maximum permissible power transmission of 55 kW at 540 RPM as specified on page 36.
How do you fix engine cranks over but refuses to start after running out of fuel during heavy field work?
Fill the fuel tank to its full 140 Liters capacity as listed on page 17 to prevent condensation. Vent the fuel system to remove trapped air from the lines and filter. Check the troubleshooting guide on page 82 if the engine still refuses to start.
How do you fix warning lamp illuminating for low engine oil pressure or erratic gauge readings during warm up?
Inspect the engine oil level and check for correct oil quality before starting the tractor. Replace the engine oil filter cartridge every 100 h for the 1455 model as outlined on page 46. Look for a clogged filter or faulty oil pressure warning switch.
How do you fix tractor wandering across the field and front tires showing uneven tread wear patterns?
Measure the front wheel toe-in on your 4-wheel drive axle to confirm it is within the 0-2 mm specification shown on page 70. Adjust the steering tie rods if the measurement is out of spec. Verify the front wheel field tire pressure is 0.15-0.2 MPa on page 18.
How will I receive this International 1255, 1455 Operator Manual?
Instant PDF download. You get the full 84-page searchable Operator Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this International 1255, 1455 manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Does this International 1255, 1455 manual have electrical diagrams?
A wiring diagram for the International 1255, 1455 electrical system is included.
![International 444 Tractor, International 444 Tractor... [list], gearshift pattern diagram, driving and starting procedures.](https://youfixthis.com/wp-content/uploads/2026/06/international-444-tractor-tractor-operator-manual-1082661r2-operations-11-64x83.webp)
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