Case IH MXU Series Tractor Repair Manual 6-66172 – MXU100 MXU110 MXU115 MXU125 MXU135 Service Manual PDF

Description

Case IH MXU Series Tractor Repair Manual – 6-66172

This is the complete Case IH MXU Series Repair Manual, document number 6-66172 (which also includes 6-66170 and 6-66171). It covers the MXU100, MXU110, MXU115, MXU125, and MXU135 tractors in full mechanical detail. The manual is a multi-volume workshop resource designed for technicians who need to separate the tractor, overhaul the engine, rebuild transmissions, diagnose hydraulic faults, and trace electrical circuits. Every major assembly is documented with specifications, torque values, assembly clearances, and step-by-step procedures. The Case IH MXU Series repair manual is delivered as an instant PDF download so you can access the information immediately on any device.

File Details

• Manual Type: Complete Repair Manual (multi-volume workshop manual)
• Brand: Case IH
• Models Covered: MXU100, MXU110, MXU115, MXU125, MXU135
• Document Number: 6-66172 (includes 6-66170 and 6-66171)
• Date: 2004
• Language: English
• Page Count: Approximately 2,800 pages
• File Format: PDF

Chapters Covered

• General Information – safety rules, product identification, international symbols, dimensions, vehicle weights, capacities, and hardware tightening torques
• Separating the Tractor – front axle and front support separation, engine and transmission separation, transmission and rear axle separation, cab removal and installation
• Engine – 4 Cylinder Electronic (F4DE0484A): general specifications, assembly clearances, torque settings, cooling and lubrication systems, engine overhaul, cylinder block repairs, crankshaft and bearings, timing system, pistons and connecting rods, cylinder head, valves and valve guides, fuel supply gear pump, CP3 high-pressure pump, rail pressure accumulator, pressure relief valve, electro-injector, fuel return pressure limiter
• Engine – 6 Cylinder Electronic (F4DE0684A/B): general specifications, assembly clearances, torque settings, cooling and lubrication, camshaft timing, cylinder head fitting, cylinder block repairs, crankshaft, timing system, bushings, connecting rod and piston assembly, valves, valve guides and seats, rocker arms, rail pressure accumulator
• Engine – 4 Cylinder Mechanical (F4CE0484B): general specifications, torque settings, cooling and lubrication, engine overhaul, bench disassembly and assembly, checks and measurements, crankshaft, timing system, bushings, connecting rod and piston assembly, cylinder head, valves and valve guides, valve seats and springs, rocker arms, rotary fuel pump disassembly and timing
• Engine – 6 Cylinder Mechanical (F4CE0684C): general specifications, assembly clearances, torque settings, cooling and lubrication, camshaft timing, cylinder head fitting, cylinder block repairs, crankshaft, timing system, bushings, connecting rod and piston assembly, valves, rocker arms, rotary fuel pump timing
• Cooling – specifications, torque values, cooling system description, troubleshooting, drain and refill, radiator removal and installation, thermostat removal and installation, coolant temperature sensor, viscous fan assembly, fan blade, fan belt, automatic fan belt tensioner, coolant pump
• Fuel Tank Removal and Installation
• Clutches – specifications, tightening torques, fault finding, clutch overhaul, hydraulic release bearing and slave cylinder overhaul
• 16 x 16 Transmission – specifications, torque values, special tools, description and operation, fault finding diagrams, transmission disassembly and assembly, front, middle, and rear section removal and installation, top cover overhaul, control valve overhaul, synchronizer inspection, transfer tubes, forward/reverse synchronizer adjustment, high/low range cable adjustment
• 24 x 24 Transmission – specifications, torque values, special tools, description and operation, fault finding, C1/C2 clutch housing removal, disassembly, inspection, assembly, clutch plate set adjustment, C1 clutch cluster gear shaft end float adjustment, C1/C2 clutch housing installation, lubrication oil control valve, transmission disassembly, front, rear, and middle section removal, component disassembly and assembly, output shaft end float adjustment, gearshift cable adjustments
• 12 x 12 Transmission – specifications, torque values, special tools, description and operation, fault finding, transmission disassembly, front, rear, and middle section removal, component disassembly and assembly, output shaft end float adjustment, gearshift cable adjustments
• Reduction Units – creeper specifications, sectional views, description and operation, fault finding
• Drive Lines – specifications, torque values, special tools, description, fault finding, standard front axle four wheel driveshaft removal and installation, four wheel drive clutch removal and disassembly, multi-wet plate clutch assembly and adjustments, dog clutch disassembly and assembly, driveshaft oil supply manifold
• Mechanical Front Axle – specifications, torque values, special tools, sectional views, description and operation, troubleshooting, standard axle removal and installation, hub cassette seal removal and installation, front axle overhaul, multi-wet plate clutch differential lock disassembly and assembly, crown wheel and differential disassembly and assembly, dog clutch differential lock, pinion shaft removal and installation, crown wheel adjustments, differential bearing preload, axle assembly, swivel pin and potentiometer, stub axle adjustments, steering and drive wheel alignment
• Front Axle Suspension – specifications, tightening torques, description and operation, system schematics, calibration procedure, fault code listing, suspension control valve removal and overhaul
• Mechanical Rear Wheel Drive – specifications, torque values, special tools, sectional views, description and operation, troubleshooting, rear axle disassembly and assembly, rear pinion and crown wheel adjustments, hydraulic pump idler gear bearing adjustment, hydraulic differential lock control unit inspection, disassembly, assembly and adjustments, final drive case removal and installation, drive wheel shaft removal and installation, planetary gear set removal and installation
• 50 Km/h Drive (17th Gear) – specifications, torque values, special tools, sectional views, description and operation, fault finding, 50 Km/h clutch removal, disassembly, assembly, installation, solenoid valve block removal, disassembly, assembly, installation
• Power Take-Off – specifications, special tools, 540/750/1000 RPM PTO sectional views and torque values, 540/1000 RPM PTO sectional views and torque values, description and operation, fault finding, PTO removal and installation, PTO 540/750/1000 RPM disassembly and assembly
• Ground Speed Power Take-Off – specifications, description and operation, fault finding, selector cable adjustment, switch adjustment, PTO clutch oil supply cut-off valve adjustment
• Tractor Brakes – specifications, special tools, torque values, sectional views, description and operation, fault finding, rear service brake piston removal and installation, rear service brake inspection, front service brake valve removal and installation, front service brake disassembly and assembly, hydraulic brake master cylinder removal and installation, hydraulic brake system air bleeding, brake pedal switch removal, installation, and adjustment, brake pedal linkage adjustment, parking brake removal, disassembly, assembly, installation, parking brake cable adjustment
• Air Trailer Brakes – specifications, tightening torques, description and operation, fault finding, removal and installation, overhaul, pressure testing
• Hydraulic Systems – introduction and circuit identification, variable displacement pump high pressure circuits, fixed displacement pump high pressure circuit, low pressure hydraulic circuits for 16×16, 12×12, and 24×24 transmissions, general hydraulic fault finding, variable flow hydraulic pump assembly, hydraulic lift assembly with electronic draft control, mechanical rear hydraulic lift, fixed displacement gear pump, trailer brake auxiliary valves, mechanical remote control valves, electronic remote control valves, hydraulic front lift and PTO, mid mount remote valves, external lift rams, front loader, hydraulic pressure testing
• Steering Systems – hydrostatic steering specifications, tightening torques, special tools, description and operation, fault finding, system testing, steering motor overhaul, steering column removal and installation, two wheel drive steering cylinder removal, installation, and overhaul, four wheel drive steering cylinder removal, installation, and overhaul
• 2 Wheel Drive Front Axle – specifications, tightening torques, special tools, troubleshooting, description and operation, sectional views, front axle removal and installation, front wheel hub removal, overhaul, installation, spindle assembly removal, overhaul, installation, front wheel settings, wheel camber tests, track width adjustment, axle centre beam and front support removal, overhaul, installation, front wheel toe-in
• Auxiliary Units – Air Conditioning: specifications, tightening torques, special tools, safety precautions, description and operation, fault finding and system testing, leak testing, charging, discharging, system flushing, component overhaul, compressor removal and installation, compressor overhaul
• Electrical System – electrical introduction, specifications, fuses and relays, controllers, diagnostic connectors, system precautions for battery charging and welding, temporary wiring repair, system diagrams, electronic instrument cluster, starting system, charging system, battery, wiring diagrams for all model configurations, connectors and harnesses, calibration procedures, diagnostic H routines, fault codes

What This Manual Enables You to Do

The Case IH MXU Series service manual gives you the complete factory repair and overhaul procedures for five tractor models in one organised document. When you need to split the tractor, the step-by-step separation chapters walk you through front axle removal, engine and transmission separation, and rear axle separation with all the torque values and special tool references you need. Engine overhauls for both 4-cylinder and 6-cylinder engines—electronic and mechanical—are covered in exhaustive detail, including injector removal, high-pressure pump service, piston and liner measurement, and cylinder head work.

Transmission repairs on the 16×16, 24×24, and 12×12 gearboxes are documented with fault finding diagrams, disassembly sequences, synchroniser inspection criteria, and end-float adjustment procedures. The hydraulic section covers the variable displacement pump, electronic draft control, mechanical lift, remote control valves, and front loader hydraulics, with pressure testing guidance throughout. The electrical section includes full wiring diagrams for every cab and engine combination, connector pinouts, harness routing, and diagnostic fault code charts.

Why This Manual Matters

Working on a modern tractor without the correct specifications risks damage to precision components, premature failure, and safety hazards. This MXU Series repair manual provides the exact assembly clearances, torque settings, and adjustment values that Case IH specifies for these machines. The fault finding charts help you isolate problems before replacing parts unnecessarily. The wiring diagrams let you trace circuits methodically instead of guessing. Whether you are a professional technician or a serious owner doing your own repairs, having the complete repair manual on hand turns a difficult job into a manageable one.

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Instant PDF Delivery

The Case IH MXU100 MXU110 MXU115 MXU125 MXU135 repair manual is delivered as a PDF download immediately after purchase. There is no shipping, no waiting, and no physical book to store. You can view the manual on a laptop, tablet, or smartphone in the workshop, print the pages you need for the job at hand, and keep the complete file as a permanent reference. The PDF format works on any device with a PDF reader. Get the complete 6-66172 repair manual today and have every specification, procedure, and diagram at your fingertips.