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Part of the Case Repair Manuals.
This is the complete factory service manual for the Case IH MXM series tractors: MXM120, MXM130, MXM140, MXM155, MXM175, and MXM190. It is organized into nine major service groups and covers the tractor from the 7.5L CNH engine and fuel system through the semi-powershift and full powershift transmissions, mechanical front drive, brakes, and the hydraulic system with electronic draft control. The electrical group is deep on the electronics these tractors depend on: the Electronic Management Unit, both electronic and analogue instrument clusters, wiring diagrams, fault codes, diagnostic H routines, and calibration procedures. You get step-by-step disassembly and assembly, troubleshooting, and the torque specifications needed to return the tractor to factory spec.
What's Inside This Case IH MXM120–MXM190 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| General | General Instructions, Health and Safety, Torques, Special Tools | |
| Engine | Separating and Removing the Engine, 7.5L Cnh Engine, Injection Pump Timing Check, Engine Disassembly and Overhaul, Cylinder Head and Valves, Front Cover and Timing Gears, Oil Pump, Oil Pressure Relief Valve | |
| Fuel System | Fuel System Service and Specifications | |
| Electrical | Electrical Introduction, Electronic Management Unit (Emu), Electronic and Analogue Instrument Cluster, Starting System, Charging System, Battery, Wiring Diagrams, Fault Codes, Diagnostic H Routines, Calibration Procedures | |
| Steering | Front Axle 2 Wheel Drive, Steering Service | |
| Power Train | Semi-Powershift Transmission (120-155), Full Powershift Transmission (175-190), Rear Axle, Mechanical Front Drive Electro-Hydraulic Clutch, Mechanical Front Axle, Front Axle with Suspension System, Rear Power Take-Off, Hydraulic Front Lift and Power Take-Off | |
| Brakes | Tractor Brakes, Pneumatic Trailer Brakes | |
| Hydraulics | Introduction, Hydraulic Systems (120-155 and 175-190 Models), Hydraulic Lift Assembly with Electronic Draft Control, Top Link Cylinders, Closed Centre Remote Control Valves, Trailer Brake Valves, External Lift Rams, Hydraulic Pressure Testing | |
| Cab | Cab Removal, Air Conditioning |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Engine | 7.5L CNH 6-cylinder diesel | |
| Rated Speed | 2200 rpm | |
| Low Idle Speed | 800 rpm | |
| MXM120 | ||
| Gross Power (ISO TR14396) | 121 Bhp (90 kW) | |
| MXM130 | ||
| Gross Power (ISO TR14396) | 131 Bhp (98 kW) | |
| MXM140 | ||
| Gross Power (ISO TR14396) | 143 Bhp (107 kW) | |
| MXM155 | ||
| Gross Power (ISO TR14396) | 153 Bhp (114 kW) | |
| MXM175 | ||
| Gross Power (ISO TR14396) | 209 Bhp (156 kW) | |
| MXM190 | ||
| Gross Power (ISO TR14396) | 225 Bhp (168 kW) | |
| MXM120, MXM130, MXM140, MXM155 | ||
| Governor | Mechanical | |
| MXM175, MXM190 | ||
| Governor | Electronic (with turbo boost) | |
Case IH MXM120–MXM190 Series Common Problems This Manual Covers
Erratic powershift gear shifting or loss of transmission control
Work the Power Train transmission section for your model split, then use the Electrical group's Fault Codes and Diagnostic H Routines to read the stored codes. Run the calibration procedure before condemning the transmission, since a calibration or electronic control fault often mimics mechanical wear. The manual gives the disassembly and specification steps if the calibration checks out.
Manual Section: Power Train / ElectricalHard starting or intermittent power loss
Use the Engine and Fuel System sections. Start with the injection pump timing check and the engine fault finding procedure, then verify fuel delivery before opening the engine. The 7.5L CNH engine section gives the overhaul and specification steps needed to test and reset the engine to factory values.
Manual Section: Engine / Fuel SystemFour-wheel-drive fails to engage or whines under load
Go to the Power Train group's Mechanical Front Drive Electro-Hydraulic Clutch and Mechanical Front Axle sections. Check the electro-hydraulic clutch operation and the front drive engagement before replacing the axle components, and confirm the hydraulic supply to the clutch, since a control or supply fault often presents as an engagement problem.
Manual Section: Power TrainElectronic Management Unit throws a fault or the instrument cluster misreads
Go to the Electrical group and use the Electronic Management Unit (EMU) section with the Fault Codes and Diagnostic H Routines. Read the codes, follow the documented routine, and run the calibration procedure, checking the wiring diagrams for the affected circuit before replacing a control unit or cluster.
Manual Section: ElectricalFrequently Asked Questions
Does this manual cover the MXM fault codes and diagnostic routines?
Yes. The Electrical group includes the Fault Codes section and the Diagnostic H Routines section, plus the Electronic Management Unit (EMU) and the calibration procedures. That lets you read the stored codes, follow the documented diagnostic routine, and calibrate the system instead of guessing at the electronics.
Is both the semi-powershift and the full powershift transmission covered?
Yes. The Power Train group has a Semi-Powershift Transmission section for the MXM120 to MXM155 and a Full Powershift Transmission section for the MXM175 and MXM190, along with the rear axle procedures for each model split, the mechanical front drive electro-hydraulic clutch, and the front axle with suspension system.
Which engine do the MXM tractors use, and is the power the same across the range?
All MXM models use the 7.5 litre CNH six-cylinder diesel. Gross power (ISO TR14396) ranges from 121 Bhp on the MXM120 up to 225 Bhp on the MXM190, and the MXM175 and MXM190 add turbo boost with an electronic governor while the MXM120 to MXM155 use a mechanical governor. The manual gives the engine removal, overhaul, and injection pump timing procedures.
Are wiring diagrams included?
Yes. The Electrical group has a dedicated Wiring Diagrams section, alongside the starting, charging, and battery procedures, so you can trace circuits back to the schematic rather than probing blind.
Does it cover the 4WD front drive and the hydraulic lift?
Yes. The Power Train group covers the mechanical front drive electro-hydraulic clutch and the mechanical front axle, and the Hydraulics group covers the hydraulic lift assembly with electronic draft control, the closed centre remote control valves, external lift rams, and hydraulic pressure testing.
What format is this Case IH MXM120, MXM130, MXM140, MXM155, MXM175, MXM190?
A 3598-page Service Manual in searchable PDF format (131 MB), available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print specific sections of this Case IH MXM120, MXM130, MXM140, MXM155?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
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