🏷️ Basic Information

Make:

Case David Brown

Model:

1390 Tractor

👋 Introduction

Product Category:

Agricultural Tractors

Target User:

Owners, operators, mechanics, and restoration specialists of Case David Brown 1390 tractors.

Manual Superiority:

Distinguished from aftermarket manuals by its authenticity as a 'Real Factory Manual,' ensuring accuracy and completeness that unauthorized publications often lack.

Content Combination:

Provides both a comprehensive Service Repair Manual and an Illustrated Parts Catalog, offering a complete resource for maintenance, repair, and parts identification.

Accuracy And Detail:

Emphasizes factory-level accuracy, crucial for preserving the integrity and functionality of the tractor.

📋 Manual Details

Covered Systems:

Engine, Fuel System, Cooling System, Lubrication System, Electrical System, Transmission, Hydraulic System, Steering System, Brakes, Chassis, PTO, Hydraulics, Operator's Station, Bodywork, Troubleshooting, Parts Identification

Service Manual Pages:

Estimated 300-500 pages (typical for comprehensive factory service manuals)

Parts Manual Pages:

Estimated 200-400 pages (typical for comprehensive illustrated parts catalogs)

Service Manual Type:

Factory Service Repair Manual

Parts Manual Type:

Factory Illustrated Parts Catalog

Language:

English

Format:

Downloadable PDF

📖 Manual Coverage

Engine System:

Detailed breakdown of engine components, including cylinder head, block, crankshaft, pistons, connecting rods, camshaft. Repair procedures, specifications, and torque values.

Fuel System:

Information on fuel injection pump, injectors, fuel lines, filters. Calibration and troubleshooting of the fuel system.

Cooling System:

Radiator, water pump, thermostat, fan, and related components. Flushing, repair, and replacement procedures.

Lubrication System:

Oil pump, oil filter, oil passages, and oil cooler. Oil change intervals and fluid specifications.

Electrical System:

Starter, alternator, battery, lighting, ignition system, wiring diagrams, and troubleshooting electrical faults.

Transmission System:

Gearbox, clutch, differential, and final drive. Disassembly, assembly, and adjustment procedures.

Hydraulic System:

Hydraulic pump, control valves, cylinders, and reservoir. Operation, maintenance, and troubleshooting of the hydraulic lift and auxiliary hydraulics.

Steering System:

Steering linkage, steering column, and power steering components. Repair and adjustment of steering.

Brake System:

Brake pedals, master cylinder, brake lines, and brake mechanisms. Maintenance and repair of the braking system.

Chassis And Suspension:

Frame, axles, and wheel components. Lubrication points and alignment procedures.

Pto System:

Power Take-Off (PTO) engagement, shaft, and gears. Maintenance and repair of the PTO.

Operators Station:

Seat, controls, dashboard, and cab components. Ergonomics and maintenance of the operator's environment.

Bodywork:

Fenders, hood, grille, and other external body panels. Repair and cosmetic maintenance.

Scheduled Maintenance:

Detailed descriptions of routine maintenance tasks, including lubrication, fluid checks, filter replacements, and inspections at specified intervals.

Troubleshooting Diagnostics:

Systematic approach to diagnosing and resolving common and uncommon problems, often including flowcharts and symptom-based guides.

Component Disassembly Assembly:

Step-by-step instructions for removing, overhauling, and reinstalling all major components and sub-assemblies.

Adjustment Procedures:

Precise instructions for adjusting critical settings, such as valve clearances, clutch engagement, and hydraulic pressures.

Torquing Specifications:

Essential torque values for all critical fasteners to ensure proper assembly and prevent component damage.

Special Tool Requirements:

Identification of specific tools and equipment required for particular repair or maintenance tasks.

Depth Of Information:

Comprehensive, covering everything from basic preventative maintenance and fluid changes to full engine rebuilds, transmission overhauls, and hydraulic system diagnostics.

Diagnostic Capabilities:

Advanced diagnostic procedures, including testing of electrical circuits, hydraulic pressures, and engine performance parameters.

Rebuild Procedures:

Detailed instructions for complete rebuilding of major mechanical and hydraulic components.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable PDF, enabling quick access to specific information.

Printability:

Designed for printing, allowing users to create physical copies of specific sections or the entire manual.

Image Resolution:

High-resolution diagrams and illustrations for clarity.

Digital Binding:

N/A (Digital PDF)

Digital Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Make:

David Brown (often manufactured by David Brown or a related entity)

Engine Model:

Likely a 4-cylinder diesel engine, specific model number would be detailed in manual.

Engine Type:

Naturally Aspirated Diesel

Displacement:

Typically around 3.9 Liters (236 cubic inches), though specific variants may exist. Manual will provide exact figure.

Horsepower Rating:

Approx. 70-75 PTO horsepower. Exact rating for the 1390 model will be in the manual.

Torque Rating:

Specifications for torque output will be detailed in the manual.

Injection Type:

Direct Injection, typically with a rotary or inline injection pump (e.g., Lucas CAV or Simms).

Fuel Type:

Diesel Fuel

🔧 Transmission

Transmission Type:

Manual Synchromesh gearbox, often with multiple speeds (e.g., 12 forward, 4 reverse or similar). Specific configurations will be detailed.

Optional Features:

May have optional creep gears or variations in speed configurations.

Clutch Type:

Typically a Dry Single or Dual Plate Clutch.

📐 Dimensions

Wheelbase:

Specifications will vary by configuration but are detailed in the manual.

Operating Weight:

Approx. 6,500 - 7,500 lbs (unballasted). Exact specifications are in the manual.

💡 Technology Features

Instrument Panel:

Basic analog gauges for oil pressure, temperature, fuel level, and tachometer. Manual will detail their function and potential troubleshooting.

Features:

Primarily mechanical controls. Advanced driver assistance systems were not a feature of tractors from this era.

Features:

N/A (No electronic connectivity features present).

🔧 Maintenance

Engine Oil Change:

Typically every 250 hours or annually. Manual will provide precise interval and oil type.

Air Filter Service:

Based on operating conditions, often inspected daily and serviced as needed. Manual will outline replacement intervals.

Fuel Filter Replacement:

Refer to manual for specific interval, often tied to hours or annual service.

Engine Oil Type:

API CD or CE classification, SAE 15W-40 or 20W-50 depending on ambient temperature. Manual will confirm specific viscosity and capacity.

Hydraulic Fluid Type:

Universal Tractor Transmission Oil (UTTO) or similar, meeting specific Case David Brown specifications. Manual will list exact fluid and capacity.

Coolant Type:

Ethylene Glycol based antifreeze with corrosion inhibitors. Manual will detail mixture ratio and capacity.

Common Wear Points:

Potential wear on clutch, hydraulic pump, PTO components, and synchronizers in the transmission.

Electrical System Quirks:

Age-related issues with wiring insulation, switches, and grounds are possible. The manual's wiring diagrams are essential for troubleshooting.

Engine Longevity:

David Brown diesel engines are generally robust, but regular maintenance is key to preventing issues like injector pump wear or overheating.

📚 Vehicle History

Brand Origin:

David Brown Tractors was a British manufacturer, later acquired by Tenneco (which also owned Case), eventually leading to the Case IH brand.

Series Placement:

The 1390 was part of David Brown's '90' series, representing a progression in tractor design and capability for its era.

Production Period:

The 90 series, including the 1390, was primarily produced in the late 1970s and early 1980s.