Case IH Farmall 110U Farmall 120U Tier 4B (Final) Tractors Official Workshop Service Repair Manual
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This is the COMPLETE Official Service Repair Manual for the Case IH Tractor.
This manual contains deep information about maintaining, assembly, disassembly and servicing your Tractor.
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes,
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.
all pages are printable, so run off what you need and take it with you into the garage or workshop.
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.
all pages are printable, so run off what you need and take it with you into the garage or workshop.
Models & Serials Covered:
Part number 51487919
1st edition English
July 2018
1st edition English
July 2018
Farmall 110U With 16×16 Semi-Powershift transmission
Farmall 120U With 16×16 Semi-Powershift transmission
Farmall 120U With 16×16 Semi-Powershift transmission F5GFL413U*C002
Farmall 120U With 16×16 Semi-Powershift transmission
Product Engine
Farmall 120U With 16×16 Semi-Powershift transmission F5GFL413U*C002
Table of Contents:
Engine…………………………………………………………………………… 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.1
[10.216] Fuel tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2
[10.206] Fuel filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3
[10.202] Air cleaners and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.4
[10.254] Intake and exhaust manifolds and muffler . . . . . . . . . . 10.5
[10.500] Selective Catalytic Reduction (SCR) exhaust treatment . 10.6
[10.501] Exhaust Gas Recirculation (EGR) exhaust treatment. . . . 10.7
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.8
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.9
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10
[10.218] Fuel injection system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.11
Clutch …………………………………………………………………………… 18
[18.100] Clutch mechanical release control . . . . . . . . . . . . . . . . . 18.1
[18.112] Slip clutch or flywheel damper . . . . . . . . . . . . . . . . . . . . 18.2
Transmission…………………………………………………………………… 21
[21.111] Semi-Powershift transmission . . . . . . . . . . . . . . . . . . . . . .21.1
[21.133] Semi-Powershift transmission external controls . . . . . . 21.2
[21.103] Semi-Powershift transmission hydraulic components. .21.3
[21.152] Semi-Powershift transmission internal components . . .21.4
[21.160] Creeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21.5
[21.109] Transmission cooler and lines. . . . . . . . . . . . . . . . . . . . . .21.6
Four-Wheel Drive (4WD) system ………………………………………23
[23.202] Electro-hydraulic control . . . . . . . . . . . . . . . . . . . . . . . . . .23.1
[23.314] Drive shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23.2
Front axle system …………………………………………………………….25
[25.100] Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25.1
[25.102] Front bevel gear set and differential . . . . . . . . . . . . . . .. 25.2
[25.108] Final drive hub, steering knuckles, and shafts . . . . . . .. 25.3
[25.122] Axle suspension control . . . . . . . . . . . . . . . . . . . . . . . . . . 25.4
Rear axle system……………………………………………………………… 27
[27.100] Powered rear axle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27.1
[27.106] Rear bevel gear set and differential . . . . . . . . . . . . . . . . 27.2
[27.120] Planetary and final drives . . . . . . . . . . . . . . . . . . . . . . . . . 27.3
Power Take-Off (PTO) ……………………………………………………..31
[31.104] Rear electro-hydraulic control . . . . . . . . . . . . . . . . . . . . . 31.1
[31.114] Two-speed rear Power Take-Off (PTO) . . . . . . . . . . . . . . 31.2
[31.116] Three-speed rear Power Take-Off (PTO) . . . . . . . . . . . . .31.3
[31.142] Front Power Take-Off (PTO) control . . . . . . . . . . . . . . . . 31.4
[31.146] Front Power Take-Off (PTO) . . . . . . . . . . . . . . . . . . . . . . . 31.5
Brakes and controls …………………………………………………………33
[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1
[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . . . . . . . 33.2
[33.220] Trailer brake hydraulic control. . . . . . . . . . . . . . . . . . . . . ..33.3
[33.224] Trailer brake pneumatic control . . . . . . . . . . . . . . . . . . . . 33.4
Hydraulic systems…………………………………………………………….35
[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.1
[35.304] Combination pump units . . . . . . . . . . . . . . . . . . . . . . . . . 35.2
[35.322] Regulated/Low pressure system . . . . . . . . . . . . . . . . . . . 35.3
[35.204] Remote control valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.4
[35.100] Main lift system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.114] Three-point hitch control valve . . . . . . . . . . . . . . . . . . . . 35.6
[35.116] Three-point hitch cylinder . . . . . . . . . . . . . . . . . . . . . . . . .35.7
[35.160] Front hitch controls and lines . . . . . . . . . . . . . . . . . . . . . .35.8
[35.162] Front hitch cylinders and lines . . . . . . . . . . . . . . . . . . . . . 35.9
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . .35.10
[35.350] Safety and main relief valves . . . . . . . . . . . . . . . . . . . . . . .35.11
Hitches, drawbars, and implement couplings……………………37
[37.100] Drawbars and towing hitches . . . . . . . . . . . . . . . . . . . . . 37.1
[37.110] Rear three-point hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.2
[37.120] Rear three-point hitch linkage . . . . . . . . . . . . . . . . . . . . . 37.3
[37.162] Front hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.4
[37.166] Front hitch linkage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.5
Frames and ballasting ……………………………………………………….. 39
[39.140] Ballasts and supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.1
Steering…………………………………………………………………………. 41
[41.101] Steering control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.1
[41.106] Tie rods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.2
[41.200] Hydraulic control components. . . . . . . . . . . . . . . . . . . . . 41.3
[41.216] Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.4
Wheels………………………………………………………………………….. 44
[44.511] Front wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.1
[44.520] Rear wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44.2
Cab climate control …………………………………………………………… 50
[50.100] Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.1
[50.104] Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50.2
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50.3
Electrical systems …………………………………………………………….. 55
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . . . . .55.1
[55.525] Cab engine controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.2
[55.015] Engine control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.3
[55.201] Engine starting system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.4
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.6
[55.011] Fuel tank system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.7
[55.010] Fuel injection system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.8
[55.014] Engine intake and exhaust system. . . . . . . . . . . . . . . . . . . .55.9
[55.988] Selective Catalytic Reduction (SCR) electrical system . . .55.10
[55.989] Exhaust Gas Recirculation (EGR) electrical system . . . . . .55.11
[55.012] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.13
[55.013] Engine oil system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.14
[55.640] Electronic modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.15
[55.513] Cab transmission controls. . . . . . . . . . . . . . . . . . . . . . . . . . . 55.16
[55.024] Transmission control system . . . . . . . . . . . . . . . . . . . . . . . . .55.17
[55.020] Transmission speed sensors. . . . . . . . . . . . . . . . . . . . . . . . . .55.18
[55.021] Transmission pressure sensors and switches . . . . . . . . . . .55.19
[55.022] Transmission temperature sensors . . . . . . . . . . . . . . . . . . . .55.20
[55.040] Four-Wheel Drive (4WD) control system. . . . . . . . . . . . . .. .55.21
[55.045] Front axle control system . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.22
[55.046] Rear axle control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.23
[55.522] Cab Power Take-Off (PTO) controls . . . . . . . . . . . . . . . . . . . 55.24
[55.048] Rear Power Take-Off (PTO) control system . . . . . . . . . . . . . 55.25
[55.049] Front Power Take-Off (PTO) control system . . . . . . . . . . . . 55.26
[55.519] Cab brake controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.27
[55.031] Parking brake electrical system . . . . . . . . . . . . . . . . . . . . . . . 55.28
[55.032] Trailer brake electrical system . . . . . . . . . . . . . . . . . . . . . . . . . 55.29
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.30
[55.035] Remote control valve electric control . . . . . . . . . . . . . . . . . . .55.31
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls. . . . .. . 55.32
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system. . . . . 55.33
[55.523] Cab hitch controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.34
[55.130] Rear three-point hitch electronic control system . . . . . . . . . .55.35
[55.785] Precision farming system . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .55.36
[55.911] Satellite navigation systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.37
[55.680] Autopilot/Autoguidance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.38
[55.518] Wiper and washer system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.39
[55.404] External lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.40
[55.405] External lighting switches and relays . . . . . . . . . . . . . . . . . . . . 55.41
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . . . .55.42
[55.905] ISOBUS components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.43
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.35
Front loader and bucket……………………………………………………… 82
[82.100] Arm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.1
Accessories ……………………………………………………………………. 88
[88.100] Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88.1
Platform, cab, bodywork, and decals ……………………………….90
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.1
[90.151] Cab interior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.2
[90.160] Cab interior trim and panels. . . . . . . . . . . . . . . . . . . . . . . .90.3
[90.154] Cab doors and hatches . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.4
[90.156] Cab windshield and windows . . . . . . . . . . . . . . . . . . . . . . 90.5
[90.118] Protections and footboards. . . . . . . . . . . . . . . . . . . . . . . . .90.6
[90.120] Mechanically-adjusted operator seat. . . . . . . . . . . . . . . . 90.7
[90.124] Pneumatically-adjusted operator seat. . . . . . . . . . . . . . . . 90.8
[90.100] Engine hood and panels . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.9
[90.102] Engine shields, hood latches, and trims . . . . . . . . . . . . . . .90.10
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