Part of the Case IH Operator Manuals.
This 130-page Case IH DX48, DX55 Operator Manual puts every daily-operation and maintenance procedure for your Tractor in one place, straight from the factory. Inside you get the instrument panel walkthrough, seat and ROPS setup, starting procedures, and a full wiring section for chasing electrical faults without guesswork. You also get the complete lubrication and maintenance schedule with fluid intervals, plus specifications covering relief valve settings: steering set at 142 bar (2060 psi), hydraulic lift system at 172 bar (2490 psi). Air cleaner primary elements get serviced every 100 hours, and the manual tells you exactly when. Your DX48 or DX55 won't run right on guesswork and forum advice. Bookmarked by section so you can jump straight to Operation or Specifications, this PDF opens on your phone or tablet and puts the factory numbers in front of you before you turn a wrench.
What's Inside This Case IH DX48, DX55, DX48 Tractor, DX55 Tractor Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 8-21 | Precautionary Statements, The Tractor, Servicing the Tractor, Operating the Tractor, Driving the Tractor, Safety Decals |
| General Information | 22-25 | Product Identification Plate, Minimum Hardware Tightening Torques, Metric Non-Flanged Hardware and Locknuts, Inch Non-Flanged Hardware and Locknuts |
| Operation | 26-67 | Seat, Seat Belt, And Rollover Protective Structure (ROPS), Instrument Panel, Starting |
| Lubrication and Maintenance | 68-109 | Engine, Fuel Filter, Air Cleaner, Transmission, Rear Axle, Hydraulic System, Power Steering, Cooling System |
| Specifications | 110-123 | Engine, Capacities, Cooling System, Electrical System, Fuel System, Brakes, Steering, Power Take-Off |
| Predelivery Service | 126-130 | Tire Pressure, Air Cleaner Element & Hose Connections, Radiator Coolant Level, Fan Belt, Battery, Engine Oil, Power Steering Reservoir, Transmission & Rear Axle Oil |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuel injector maintenance interval | Every 600 Hours (Refer to Repair Manual) | p. 70 |
| Air cleaner primary element cleaning interval | Every 100 hours of service | p. 70 |
| Air cleaner inner safety element replacement interval | Every 3rd primary element change or Every 1000 Hours, Whichever Comes First | p. 70 |
| Steering Relief Valve Setting | 142 bar (2060 psi) | p. 112 |
| Hydraulic Lift System Relief Valve Setting | 172 bar (2490 PSI) | p. 112 |
| Fuel Tank Capacity | 51.0 liters (13.5 U.S. gals.) | p. 110 |
| Engine Crankcase Capacity (With Filter) | 7.0 liters (7.4 U.S. qts.) | p. 110 |
| Rear Axle & Transmission (Includes Hydraulics) Capacity | 42.0 liters (11.1 U.S. gals.) | p. 110 |
| Power Steering Capacity | 1.8 liters (1.9 U.S. qts.) | p. 110 |
| Front Axle Final Reduction /Differential Gear Case Capacity | 5.8 liters (6.1 U.S. qts.) | p. 110 |
| Rim To Disc Bolt Torque | 244 N⋅m (180 ft-lb) | p. 117 |
| ROPS to Rear Axle Torque | 74 N⋅m (55 ft-lb) | p. 117 |
Case IH DX48, DX55, DX48 Tractor, DX55 Tractor Common Problems This Manual Covers
Case IH DX48 hydraulic lift loses power and pressure after about 20 minutes of operation p. 70
Check the maintenance schedule on page 70 for hydraulic filter service intervals. Verify the rear axle and transmission reservoir is filled to the 42.0 liter (11.1 U.S. gals.) capacity listed on page 110. Inspect hoses and fittings for external leaks, and confirm the hydraulic lift relief valve setting matches 172 bar (2490 PSI) per page 112 specifications.
Manual Section: Lubrication and MaintenanceEngine stalls under load and blows heavy black smoke from the exhaust stack p. 70
Check the maintenance schedule on page 70; primary air cleaner elements need cleaning every 100 hours of service. Inspect the element for clogging or damage and replace the inner safety element every 3rd primary change or 1000 hours, whichever comes first. Verify the 51.0 liter (13.5 U.S. gals.) fuel tank has clean fuel.
Manual Section: Lubrication and MaintenanceEngine cranks slowly or won't start at all in cold weather p. 32
Check the battery electrolyte level and top off with distilled water per the procedure on page 91. If the battery is weak, use the jumper cable starting procedure detailed on page 32. Bleed air from the fuel system per the steps on page 76 if it recently ran dry or had a filter change.
Manual Section: Starting the Tractor with Jumper CablesTransmission grinds and feels hard to engage when shifting into gear p. 102
Check clutch pedal free travel adjustment on page 102 for SSS transmission models, or the inching pedal cable adjustment on pages 100-101 for EHSS models. Verify the rear axle and transmission fluid is filled to the 42.0 liter (11.1 U.S. gals.) capacity on page 110; low fluid can cause hard, grinding shifts.
Manual Section: Clutch Pedal Adjustment (SSS)Dashboard warning light stays on and refuses to clear after every cold startup p. 29
Check the operator controls layout on page 29 and cross-reference the indicator symbol against the instrument panel section. Verify the steering relief valve setting matches 142 bar (2060 psi) as listed on page 112 if the light relates to steering pressure. Note the time and conditions, and consult the operating instructions on page 31 for full startup sequence.
Manual Section: OperationFrequently Asked Questions
How to reset the transmission on a CASE IH DX48 tractor if the shuttle lever is moved too quickly?
If the shuttle lever is shifted very quickly (a fraction of a second), the transmission will automatically shift into NEUTRAL. To reset the transmission, shift the shuttle lever into the "Neutral" position then into "FORWARD" or "REVERSE."
What are the replacement specifications for the hydraulic system oil filter on CASE IH DX48/DX55 tractors?
The hydraulic system oil filter should be replaced after the first 50 hours of operation, and then following every 300 hours of operation thereafter. It is a spin-on type oil filter.
What is the service interval for the engine fuel injector on CASE IH DX48/DX55 tractors?
The fuel injector should be serviced every 600 hours. For detailed replacement specifications, refer to the Repair Manual, as this operator's manual does not provide them.
What is the engine oil change interval for the CASE IH DX48/DX55 tractor?
The engine oil and filter should be changed after the first 50 hours of operation, then every 100 hours thereafter. If the tractor is operated for extended periods at maximum rated power, change intervals should be 70 hours following the initial oil change.
How will I receive this Case IH DX48–DX55 Series Operator Manual?
You get a 130-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 this Case IH DX48–DX55 Series manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Are there wiring harness diagrams in this Case IH DX48–DX55 Series manual?
A wiring diagram for the Case IH DX48–DX55 Series electrical system is included.
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