Part number 47377791
1st edition English
November 2012
This Factory Service Repair Manual offers all the service and repair information for Case IH Farmall 110A , Farmall 120A , Farmall 125A , Farmall 140A Tractor. The information on this manual covered everything you need to know when you want to repair or service Case IH Tractor.
Models Covered:
Farmall 110A
Farmall 120A
Farmall 125A
Farmall 140A
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Manual Contents:
INTRODUCTION
Engine…………………………………………………………………………… 10
Engine and crankcase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.001
Clutch …………………………………………………………………………… 18
Clutch and components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.110
Slip clutch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.112
Transmission…………………………………………………………………… 21
Power Shuttle transmission 8×8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.112
Power Shuttle transmission 16×8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.112
Mechanical transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 21.114
Power Shuttle transmission external controls . . . . . . . . . . . . . . . . . . . . . 21.134
Four-Wheel Drive (4WD) system ………………………………………….. 23
Electrohydraulic control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23.202
Four-Wheel Drive (4WD) gearbox. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23.304
Front axle system …………………………………………………………….. 25
Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 25.100
Front bevel gear set and differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.102
Final drive hub, steering knuckles, and shafts . . . . . . . . . . . . . . . . . . . . . 25.108
Front axle system …………………………………………………………….. 25
Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.100
Front bevel gear set and differential . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.102
Final drive hub, steering knuckles, and shafts . . . . . . . . . . . . . . . . . . 25.108
Rear axle system……………………………………………………………… 27
Powered rear axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.100
Rear bevel gear set and differential . . . . . . . . . . . . . . . . . . . . . . . . . . 27.106
Planetary and final drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.120
Power Take-Off (PTO) ……………………………………………………….. 31
One-speed rear Power Take-Off (PTO) . . . . . . . . . . . . . . . .. . . . . . . 31.110
Two-speed rear Power Take-Off (PTO) . . . . . . . . . . . . . . . . . . .. . . . . . . 31.114
Brakes and controls ………………………………………………………….. 33
Parking brake / Parking lock. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 33.110
Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.202
Hydraulic systems…………………………………………………………….. 35
Hydraulic systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.000
Pump control valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 35.102
Fixed displacement pump . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 35.104
Three-point hitch control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.114
Three-point hitch cylinder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.116
Remote control valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.204
Combination pump units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.304
Hitches, drawbars, and implement couplings……………………………. 37
Rear three-point hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.110
Steering…………………………………………………………………………. 41
Steering control. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 41.101
Hydraulic control components . . . . . . . . . . . . . . . . . .. . . . . . . . . . 41.200
Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 41.206
Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 41.216
Cab climate control …………………………………………………………… 50
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.104
Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.200
Electrical systems …………………………………………………………….. 55
Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 55.000
Harnesses and connectors . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 55.100
Engine starting system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.201
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.301
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.302
Cab controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.512
Platform, cab, bodywork, and decals ……………………………………… 90
Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.150
Cab doors and hatches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.154
Engine…………………………………………………………………………… 10
Engine and crankcase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.001
Clutch …………………………………………………………………………… 18
Clutch and components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.110
Slip clutch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.112
Transmission…………………………………………………………………… 21
Power Shuttle transmission 8×8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.112
Power Shuttle transmission 16×8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.112
Mechanical transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 21.114
Power Shuttle transmission external controls . . . . . . . . . . . . . . . . . . . . . 21.134
Four-Wheel Drive (4WD) system ………………………………………….. 23
Electrohydraulic control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23.202
Four-Wheel Drive (4WD) gearbox. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23.304
Front axle system …………………………………………………………….. 25
Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 25.100
Front bevel gear set and differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.102
Final drive hub, steering knuckles, and shafts . . . . . . . . . . . . . . . . . . . . . 25.108
Front axle system …………………………………………………………….. 25
Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.100
Front bevel gear set and differential . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.102
Final drive hub, steering knuckles, and shafts . . . . . . . . . . . . . . . . . . 25.108
Rear axle system……………………………………………………………… 27
Powered rear axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.100
Rear bevel gear set and differential . . . . . . . . . . . . . . . . . . . . . . . . . . 27.106
Planetary and final drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.120
Power Take-Off (PTO) ……………………………………………………….. 31
One-speed rear Power Take-Off (PTO) . . . . . . . . . . . . . . . .. . . . . . . 31.110
Two-speed rear Power Take-Off (PTO) . . . . . . . . . . . . . . . . . . .. . . . . . . 31.114
Brakes and controls ………………………………………………………….. 33
Parking brake / Parking lock. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 33.110
Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.202
Hydraulic systems…………………………………………………………….. 35
Hydraulic systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.000
Pump control valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 35.102
Fixed displacement pump . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 35.104
Three-point hitch control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.114
Three-point hitch cylinder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.116
Remote control valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.204
Combination pump units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.304
Hitches, drawbars, and implement couplings……………………………. 37
Rear three-point hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.110
Steering…………………………………………………………………………. 41
Steering control. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 41.101
Hydraulic control components . . . . . . . . . . . . . . . . . .. . . . . . . . . . 41.200
Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 41.206
Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 41.216
Cab climate control …………………………………………………………… 50
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.104
Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.200
Electrical systems …………………………………………………………….. 55
Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 55.000
Harnesses and connectors . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 55.100
Engine starting system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.201
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.301
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.302
Cab controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.512
Platform, cab, bodywork, and decals ……………………………………… 90
Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.150
Cab doors and hatches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.154
This manual can be used by anyone from a first time owner/amateur to a professional technician.Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings.Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.
Language: English
Format: PDF
PAGES: 1089
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