Market Position:
The IH Case International 7120 Tractor was a significant model in Case IH's tractor lineup, known for its power, versatility, and advanced features for its era. This manual positions itself as an essential resource for owners and technicians maintaining this robust agricultural machine.
Competitive Analysis:
Competed against models from John Deere, New Holland, and Ford/New Holland in the high-horsepower utility and row-crop tractor segment. The 7120 was noted for its robust build and innovative features like the power shift transmission.
Key Features:
Comprehensive coverage, detailed diagrams, searchable text, bookmarks, indexed structure, instant download, broad compatibility, and user-friendly instructions.
Ease Of Use:
Written in a clear, accessible manner, designed for users with varying levels of technical expertise.
Sections Included:
After Cooler, Air Cleaner System, Brake System, Cab, Cooling System, Diesel Fuel System, Differential, Differential Lock, Electrical System, Engine, Final Drives, Front Axle, Front Wheel Drive, Hydraulic Lift System, Hydraulic System, Park Lock, Power Shift, Power Steering System, Power Take-Off, Turbocharger, and More
Page Count:
Not Specified
Manual Type:
Service Repair Manual
Systems Covered:
Engine overhaul, Fuel system diagnostics and repair, Cooling system maintenance, Lubrication systems, Power shift transmission service, Final drive and differential repair, Hydraulic system troubleshooting and component replacement, Power steering system maintenance, Brake system service, Electrical system diagnostics and wiring, Aftercooler service, Air cleaner system upkeep, Turbocharger inspection and service, Cab systems (HVAC, controls), Power Take-Off (PTO) operation and repair, Front axle and drive systems, Differential lock operation and repair, Park lock mechanism service.
Electrical System Coverage:
Detailed wiring diagrams, troubleshooting electrical faults, component testing, battery and charging systems, lighting, starter, alternator, and control circuits.
Hydraulic System Coverage:
Hydraulic lift system, hydraulic pump service, control valve troubleshooting, cylinder repair, hydraulic fluid filtration, and pressure testing. Includes circuit diagrams.
Front Wheel Drive System:
Service and repair for the front mechanical or hydraulic four-wheel-drive engagement system, including hub components and driveshafts.
Procedures Included:
Detailed disassembly and reassembly instructions for all major components, Troubleshooting guides for common and complex issues, Adjustment procedures for various systems, Maintenance schedules and recommendations, Component testing procedures, Torque specifications for critical fasteners, Diagnostic flowcharts, Electrical system schematics, Hydraulic circuit diagrams, Component identification and function descriptions, Rebuild procedures for engine, transmission, and hydraulic pumps.
Troubleshooting Guides:
Comprehensive troubleshooting sections with step-by-step diagnostic procedures for various systems and symptoms, aiding in efficient problem resolution.
Engine Rebuild Procedures:
Detailed steps for engine overhaul, including piston and ring replacement, bearing service, cylinder head work, and valve adjustments.
Transmission Repair Procedures:
Instructions for servicing the powershift transmission, including clutch pack replacement, torque converter service, and troubleshooting transmission slippage or engagement issues.
Technical Depth:
Comprehensive, covering basic maintenance to advanced diagnostics and complete component rebuilds. Includes manufacturer's specifications and detailed repair procedures.
Technical Specifications Detail:
Includes precise torque values, clearance measurements, pressure specifications, flow rates, and resistance values essential for accurate repairs and adjustments.
Diagrams And Illustrations:
Abundant with clear pictures, exploded view diagrams, illustrations, and charts to facilitate understanding and execution of repair tasks.
File Format:
PDF (Improved: Bookmarks, Searchable Text, Index)
Compatibility:
All Versions of Windows, Mac, iOS, BB, Android, etc. (requires PDF reader)
Print Quality:
High-quality digital reproduction, zoomable and printable. 'Improved Quality' indicates enhanced clarity and detail over original documentation.
Binding Type:
Digital Download (PDF format)
Paper Type:
N/A (Digital)
Engine Model:
Typically equipped with a Case IH 6T-830 (or similar displacement) turbocharged diesel engine.
Engine Displacement:
Approximately 8.3 Liters (505 cubic inches).
Horsepower:
Approximately 160-170 PTO horsepower (specific rating varies by configuration and year).
Engine Torque:
Significant torque output, crucial for heavy pulling applications. Specific figures not listed but characteristic of a powerful diesel engine of this class.
Fuel System Type:
Direct Injection, Turbocharged Diesel with Bosch inline injection pump.
Fuel System Components:
Includes detailed information on fuel filters, injection pump, injectors, and associated lines.
Wheelbase:
Approximately 108 inches (2743 mm).
Overall Length:
Approximately 170-180 inches (4318 - 4572 mm) without implements.
Height To Cab Top:
Approximately 100-105 inches (2540 - 2667 mm) to the top of the cab.
Operating Weight:
Around 14,000 - 15,000 lbs (6350 - 6800 kg), depending on configuration and options.
Drawbar Pull Capacity:
High, suitable for heavy draft work.
Engine Oil Change Interval:
Typically 250 hours, refer to specific manual for exact intervals and oil type.
Transmission Fluid Change Interval:
Typically 1000-1200 hours, check manual for exact service interval and fluid type.
Hydraulic Fluid Type:
Case IH Hy-Tran (or equivalent UTF - Universal Tractor Transmission Fluid). Specific viscosity grades (e.g., 10W-30) may apply for certain ambient temperatures.
Engine Oil Type:
API CG-4 or CH-4 rated diesel engine oil, typically SAE 15W-40. Consult manual for specific viscosity based on climate.
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water.
Engine Coolant Capacity:
Refer to manual, typically around 25-30 liters (approximately 6.5-8 gallons).
Transmission Fluid Specification:
Case IH Hy-Tran Plus or equivalent UTF. Specific grade may be recommended based on operating temperature range.
Common Issues:
Potential for wear in powershift clutch packs with high hours, hydraulic system leaks, and common diesel engine maintenance needs. Manual aids in diagnosing and rectifying these.
Brand Heritage:
Case IH has a long and storied history in agricultural machinery, dating back to J.I. Case Company founded in 1842. Known for innovation and durability.
Model Evolution:
The 7100 series, including the 7120, represented a significant advancement in tractor technology for Case IH, succeeding earlier models and incorporating features like the powershift transmission and improved operator comfort.
Series Context:
Part of the highly regarded Case IH 7100 series, which set new standards in its class for power, comfort, and technology.
Production Years:
Likely produced in the late 1980s and early 1990s. Specific production run details are not provided but fall within the 7100 series era.
