🏷️ Basic Information

Make:

International Harvester (David Brown)

Model:

1390 Tractor

Product Type:

Tractor Shop Service Manual

👋 Introduction

Positioning:

A vital resource for owners and mechanics of the International Harvester David Brown 1390 tractor, providing factory-level repair and maintenance guidance.

Target Audience:

Farm owners, agricultural mechanics, maintenance technicians, and tractor enthusiasts who work on or maintain the IH David Brown 1390.

Value Proposition:

Offers instant access to comprehensive, high-quality service information, enhancing the ability to perform repairs and maintenance efficiently, saving time and cost compared to dealership services.

Manual Features:

Instant download, searchable text, bookmarks, index, detailed illustrations, step-by-step instructions, compatibility across multiple devices.

📋 Manual Details

Primary Coverage:

Maintenance, servicing, and repair of the International Harvester David Brown 1390 Tractor

Estimated Page Count:

Not explicitly stated, but described as 'complete' and 'detailed'.

Type:

Shop Service Manual

Language:

English

Format:

PDF (Downloadable)

📖 Manual Coverage

Systems:

Brakes, Cab, Clutch, Cooling System, Diesel Fuel System, Differential, Electrical System, Engine, Final Drive, Front Axle, Front Drive Axle, Hydraulic System, Manual Steering, Power Steering, Power Take-Off (PTO), Transmission (Power Shift), Transmission (Synchromesh), Turbocharger

Brakes Coverage:

Detailed procedures for hydraulic brake system maintenance, repair, adjustment, and bleeding, including master cylinder and wheel cylinder service.

Cooling System Coverage:

Includes radiator service, thermostat replacement, water pump inspection, fan belt adjustment, and coolant capacity/type specifications.

Diesel Fuel System Coverage:

Covers fuel tank, lines, filters, lift pump, injection pump calibration, injector testing, and bleeding procedures.

Electrical System Coverage:

Wiring diagrams, component testing (starter, alternator, battery), lighting systems, and troubleshooting for common electrical faults.

Engine Coverage:

Comprehensive engine overhaul, cylinder head service, piston and ring replacement, crankshaft and bearing inspection, timing procedures, and valve adjustments.

Front Axle Coverage:

Service for steering linkages, kingpins, wheel bearings, and axle housing for both 2WD and 4WD configurations (if applicable).

Hydraulic System Coverage:

Covers hydraulic pump maintenance, valve body service, cylinder repairs, hydraulic oil specifications, and troubleshooting linkage issues.

Power Take Off Coverage:

Includes PTO engagement mechanisms, gearbox servicing, and spline maintenance for various PTO shaft configurations.

Turbocharger Coverage:

Inspection, maintenance, and potential repair or replacement of the turbocharger unit, including lubrication and exhaust system connections.

Cab Coverage:

Includes maintenance and repair of cab components, climate control (if equipped), seating, and interior trim.

Procedures:

Maintenance, troubleshooting, repair procedures, component overhaul, adjustments, specifications, diagnostic guidance

Clutch Procedures:

Adjustment, replacement of clutch disc, pressure plate, and release bearings for both single and dual-stage PTO clutches.

Differential Procedures:

Maintenance and repair of the rear differential housing, gears, bearings, and lubrication requirements.

Final Drive Procedures:

Service and overhaul of the final drive assemblies, including planetary gears and drive shafts.

Steering Procedures:

Detailed procedures for both manual and power steering systems, including adjustments, component replacement, and fluid specifications for power steering.

Troubleshooting Procedures:

Systematic approach to diagnosing issues, including symptom analysis and corrective actions for various system failures.

Depth:

Comprehensive, step-by-step instructions with detailed diagrams, exploded views, drawings, and photos for a wide range of repair and maintenance tasks. Designed for clarity and ease of understanding for various skill levels.

Diagnostic Capabilities:

Provides diagnostic flowcharts and troubleshooting trees for identifying the root cause of mechanical and electrical issues.

Rebuild Procedures:

Includes complete engine, transmission, and hydraulic system rebuild procedures with torque specifications and clearances.

Illustrations Quality:

High-quality illustrations, including exploded diagrams and detailed drawings, aid in the clear understanding of component assembly and disassembly.

📊 Manual Specifications

File Format:

PDF

Searchability:

Yes, text is searchable.

Navigation:

Yes, bookmarked and indexed for easy navigation.

Viewing Capabilities:

Viewable on any computer, zoomable, and printable.

Quality:

Improved Quality PDF, searchable text, bookmarks, index, clear illustrations.

Binding:

Not applicable (Digital Download)

Paper Type:

Not applicable (Digital Download)

Compatibility:

All Versions of Windows, Mac, iOS, BlackBerry OS, iPhone, iPad, Android devices.

⚙️ Engine Specifications

Engine Type:

Diesel (Likely a 3 or 4-cylinder engine, common for this class of tractor)

Engine Displacement:

Likely in the range of 3.0L to 4.0L, depending on the specific engine variant.

Horsepower Range:

Typically in the 60-80 HP range, depending on specific configuration and engine tuning.

Torque Specifications:

Torque values for critical engine components such as cylinder head bolts, main bearings, and connecting rod bolts will be provided.

Fuel System Details:

Detailed coverage of the diesel fuel system, including injection pump, injectors, fuel filters, and bleeding procedures.

🔧 Transmission

Transmission Options:

Synchromesh and Power Shift transmission options are covered.

Optional Features:

Specific details on the operation, maintenance, and repair of both Synchromesh and Power Shift transmissions.

Transmission Coverage:

Includes procedures for clutch operation, transmission servicing, and internal component repair for both gearbox types.

📐 Dimensions

Overall Dimensions:

Specific dimensions (length, width, height) would be detailed within the manual's technical specifications section.

Operating Weight:

Operating weight typically around 5,000-6,000 lbs (2,270-2,720 kg), detailed in manual.

🛡️ Safety Features

Safety Standards:

Manual will cover safety precautions related to operating and servicing the tractor, adhering to relevant agricultural machinery safety standards of the era.

Active Safety Elements:

Information on PTO shielding, brake system functionality, and steering system safety.

Passive Safety Elements:

Coverage of cab structure integrity (if applicable to the 1390 model), seatbelt systems (if equipped).

💡 Technology Features

Infotainment System:

Not applicable to this agricultural tractor model; focus is on mechanical and operational systems.

Driver Assistance Features:

Basic mechanical aids like power steering and potentially independent PTO engagement, detailed within their respective sections.

Connectivity Options:

Not applicable to this agricultural tractor model.

🔧 Maintenance

Scheduled Maintenance:

Detailed schedule for routine maintenance tasks such as oil changes, filter replacements, lubrication points, and system checks.

Fluid Recommendations:

Specific recommendations for engine oil (viscosity grade, API classification), hydraulic fluid, transmission fluid, coolant, and grease. Likely API CD or CE for engine oil, and IH Hytran or equivalent for hydraulics/transmission.

Coolant Type:

Ethylene glycol-based antifreeze suitable for heavy-duty diesel engines, with specific mix ratios for protection.

Hydraulic Fluid:

IH Hy-Trans or a universal tractor transmission fluid (UTTO) meeting API GL-4 specifications.

Common Wear Points:

The manual would implicitly or explicitly address common wear points and potential issues related to the engine, transmission, hydraulics, and axles based on factory service data.

📚 Vehicle History

Heritage:

Part of the International Harvester's extensive agricultural machinery line, built upon the David Brown tractor heritage.

Evolution:

The 1390 represents a continuation and advancement of David Brown's established tractor designs, integrated into the International Harvester product family.

Production Period:

Likely produced in the late 1970s and early 1980s.