Target Audience:
Owners, operators, mechanics of Case IH 1390 and 1394 tractors
Advantage:
Complete, official factory information, direct replacement for dealership manuals, DIY focus
Content Authenticity:
Same information used by Case IH engineers and dealership technicians
Accessibility:
Instant PDF download, easy to navigate, printable sections
Usability:
Step-by-step instructions, clear illustrations, comprehensive diagrams
Diy Empowerment:
Enables users to perform repairs themselves, saving costs and gaining knowledge.
Engine:
Complete engine overhaul, diagnostics, component testing, fuel system, lubrication, cooling system
Clutch:
Clutch assembly, operation, adjustment, service procedures, hydraulic components
Transmission:
Gearbox repair, overhaul, component replacement, shifting mechanisms, power take-off (PTO) systems
Rear Axle:
Differential repair, final drives, axle housing service, bearing replacement, lubrication
Brakes:
Brake system diagnosis, component overhaul (master cylinder, wheel cylinders, brake shoes/pads), bleeding, hydraulic lines
Front Axle:
Front axle assembly, steering knuckles, kingpins, wheel bearings, lubrication
Steering:
Steering system diagnosis, linkage adjustment, hydraulic power steering components, steering column
Hydraulic:
Hydraulic system operation, pump service, cylinder repair, valve body diagnostics, hitch control, auxiliary hydraulics
Electrical:
Wiring diagrams, starter system, charging system, lighting, instrumentation, component testing
Front Wheel Drive:
If applicable to the specific 1390/1394 variant, the manual would cover FWD system service.
Power Take Off Pto:
Service and repair of PTO engagement, drive shafts, and related components.
Operator Station:
Dashboard, controls, seating, platform/cab maintenance.
General Maintenance:
Oil changes, filter replacements, lubrication points, pre-operation checks
Troubleshooting:
Diagnostic procedures for all major systems, symptom-based troubleshooting guides
Repair And Overhaul:
Detailed step-by-step instructions for component disassembly, repair, and reassembly
Adjustments:
Carburetor, clutch, brakes, steering, hydraulic controls
Component Replacement:
Guidelines for replacing various parts, including torque specifications
Wiring Schematics:
Complete electrical system wiring diagrams for accurate troubleshooting and repair.
Special Tool Identification:
Identification and use of specialized tools required for specific repair procedures.
Depth:
Comprehensive (A-Z coverage), suitable for novice mechanics to experienced technicians
Documentation Type:
Factory-level detail, including diagrams, illustrations, and schematics
Torque Specifications:
Precise torque values for all critical fasteners across all systems.
Engine Family:
Likely Case IH 3.152 or 4.236 series (common for this era and size tractor)
Engine Type:
Diesel, Naturally Aspirated or Turbocharged (specific to model variant)
Bore Stroke:
Refer to manual for specific engine variant (e.g., 3.152: 3.62 x 5.00 inches)
Displacement:
Refer to manual for specific engine variant (e.g., 3.152: 3.152 Liters / 192 cu. in.; 4.236: 3.92 Liters / 236 cu. in.)
Horsepower:
Varies by specific model and configuration; typically in the 60-80 HP range for this class.
Torque:
Refer to manual for specific engine variant and rating.
Injection System:
Indirect Injection (IDI) with rotary or inline injection pump (e.g., Simms, CAV, Bosch)
Oil Type:
Refer to manual; typically SAE 15W-40 API CG-4 or higher for diesel engines.
Oil Capacity:
Refer to manual for specific engine and filter capacity.
Cylinder Configuration:
In-line 3 or 4 cylinder (depending on specific engine variant)
Transmission Type:
Partially Synchronized or Full Synchronized Manual Transmission (e.g., 8-speed, 12-speed variants)
Optional Gearbox:
Possible creeper gears or other specialized PTO/gear configurations
Powershift:
Not typically found on these models; standard manual engagement.
Pto Options:
540/1000 RPM PTO, Live PTO options may be present.
Transmission Fluid Type:
Refer to manual; typically API GL-4 or GL-5 gear oil, or tractor hydraulic fluid (THF) depending on shared systems.
Engine Oil Filter Change:
Refer to manual; typically every 250-500 operating hours.
Air Filter Service:
Refer to manual; inspect regularly and replace as needed based on operating conditions.
Transmission Fluid Change:
Refer to manual; typically every 500-1000 operating hours or annually.
Coolant Type:
Refer to manual; typically a 50/50 mix of permanent antifreeze (ethylene glycol) and clean water.
Hydraulic Fluid Type:
Refer to manual; may specify Case IH TCH fluid, or equivalent Universal Tractor Transmission Oil (UTTO).
Brake Fluid Type:
Refer to manual; likely DOT 3 or DOT 4 brake fluid for hydraulic systems.
Common Wear Items:
Clutch wear, hydraulic pump efficiency, front axle kingpin wear, brake system components, potential for injector pump issues.
Electrical System Quirks:
Older wiring harnesses can degrade; intermittent electrical faults can occur.
