Target Audience:
Owners, operators, mechanics, and service technicians of the Case David Brown 1390 Tractor
Value Proposition:
Provides authentic factory-level technical information, crucial for accurate maintenance, repair, and troubleshooting, unlike less reliable aftermarket guides.
Authenticity:
Explicitly stated as 'real factory manuals,' indicating official documentation from the manufacturer.
Comprehensive Documentation:
Four distinct manuals covering service, repair, parts, and special equipment for a holistic view of the tractor's lifecycle.
Manual Types:
Factory Service Manual, Shop Manual, Parts Manual, Special Equipment Catalog
Estimated Total Pages:
Extensive (Likely 1000+ pages across all 4 manuals, typical for comprehensive tractor documentation)
Primary Manual Type:
Factory Service/Repair Manual
Powertrain:
Engine, clutch, transmission (gearbox, PTO, differential), rear axle, hydraulics (including linkage and hitch)
Chassis And Frame:
Front axle, steering system, braking system, wheels, tires
Electrical System:
Starting system, charging system, lighting, instrumentation, wiring diagrams
Operator Station:
Controls, seat, safety features, cabin (if applicable)
Hydraulics And Implement Control:
Hydraulic pump, valve bank, cylinders, draft control, position control, auxiliary hydraulics
Power Take Off Pto:
Rear PTO (ground speed, engine speed), PTO engagement and maintenance
Maintenance:
Lubrication, filter changes, fluid checks and changes, greasing points, inspection schedules
Repair And Overhaul:
Engine overhaul, transmission rebuild, clutch replacement, brake caliper service, hydraulic cylinder seal replacement, PTO repair
Troubleshooting:
Diagnostic procedures for engine, transmission, hydraulics, electrical systems; common faults and remedies
Adjustment:
Valve lash adjustment, clutch pedal adjustment, brake adjustment, hydraulic system calibration
Special Equipment Installation:
Installation instructions for factory-approved special equipment and attachments
Diagnostic Capabilities:
Comprehensive diagnostic procedures, including symptom-based troubleshooting and component testing
Rebuild Information:
Detailed step-by-step instructions and specifications for complete component overhauls and rebuilds
Wiring Diagrams:
Complete and detailed electrical wiring diagrams for all systems
Torque Specifications:
Precise torque values for all critical fasteners and assemblies
Part Identification:
Illustrated parts catalog with part numbers for all major components and sub-assemblies
Searchable Text:
Likely searchable text (common for professional PDF conversions), allowing easy navigation
Image Resolution:
High-resolution images and diagrams for clarity
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Completeness Statement:
Factory-original content, distinguishing it from aftermarket or 'reproduction' manuals.
Engine Manufacturer:
David Brown (likely built by Case or a supplier under David Brown branding)
Engine Model:
Likely a variant of the David Brown diesel engine series (e.g., 4-cylinder)
Engine Type:
Diesel, 4-cylinder (typical for this class of tractor)
Displacement:
Typically around 3.9-4.2 Liters (236-256 cubic inches) for this model range
Horsepower Rated:
Approximately 60-70 PTO horsepower (actual engine HP slightly higher)
Torque Peak:
Information would be detailed within the service manual
Fuel Injection:
Direct injection, likely with a rotary or inline injection pump (e.g., Simms, CAV, Bosch)
Cooling Type:
Water-cooled, pressurized system
Transmission Type:
Manual gearbox with multiple speeds (e.g., 12-speed constant mesh or synchromesh)
Gear Configurations:
Likely includes 8 forward gears and 4 reverse gears, possibly with a synchronized splitter or range selector
Optional Transmission Features:
Independent PTO (IPTO) with multiple speeds (e.g., 540/1000 RPM), optional creeper gears
Clutch Type:
Dual-stage or single-stage clutch (depending on configuration) for transmission and PTO engagement
Rear Axle And Differential:
Heavy-duty rear axle with locking differential (optional or standard depending on trim)
Wheelbase:
Approximately 2083 mm (82 inches)
Overall Length:
Approximately 3600 mm (142 inches) without front weights
Overall Width:
Approximately 1830 mm (72 inches) at rear track
Height To Exhaust:
Approximately 2300 mm (90.5 inches)
Operating Weight:
Around 2500-2800 kg (5500-6170 lbs) without ballast
Front Tire Size:
e.g., 7.50-16
Rear Tire Size:
e.g., 16.9-30
Rollover Protection:
ROPS (Roll Over Protective Structure) likely optional or standard depending on market and year of manufacture
Braking System:
Hydraulically operated disc brakes (internal expanding or external contracting depending on specific design, but typically internal wet discs for robustness)
Seatbelt:
Seat belt for operator safety, especially when ROPS is fitted
Lighting:
Standard front and rear work lights, turn signals (if factory equipped)
Infotainment Features:
N/A (Tractor design from the era focused on core functionality, not entertainment systems)
Driver Assistance Features:
N/A (Tractor design focused on mechanical operation)
Connectivity Features:
N/A
Instrument Cluster:
Basic dashboard with analog gauges for oil pressure, coolant temperature, fuel level, voltmeter, tachometer, and hour meter.
Engine Oil Change:
Typically every 250 hours of operation or annually, whichever comes first.
Transmission Hydraulic Fluid Change:
Usually every 1000-1200 hours, along with filter replacement.
Air Filter Maintenance:
Check and clean/replace as needed, based on operating conditions, often every 100-250 hours.
Engine Oil Type:
API CD/CE or equivalent, SAE 15W-40 recommended for most ambient temperatures.
Transmission Hydraulic Fluid:
Case IH Hy-Tran fluid or equivalent UTTO (Universal Tractor Transmission Oil) meeting specific industry standards.
Coolant Type:
Ethylene Glycol based antifreeze mixture, typically 50/50 with distilled water.
Common Wear Items:
Clutch wear, PTO clutch packs, hydraulic pump seals, brake caliper wear, and potential injector pump issues if not maintained.
Electrical System Reliability:
Older wiring harnesses can degrade; starter and alternator components require periodic inspection.
Hydraulic System Performance:
Loss of hydraulic pressure or slow operation can indicate worn pumps or leaking seals/hoses.
Brand Origin:
David Brown Tractors was a British manufacturer, later acquired by Tenneco (which also owned J.I. Case), leading to Case David Brown branding.
Model Placement:
The 1390 was part of the 30 Series tractors, a successor to earlier David Brown ranges, designed as a versatile medium-horsepower tractor for general farm work.
Production Period:
The 1390 was produced from approximately 1982 to 1988, following the acquisition by Case.
Manufacturing Location:
Likely manufactured at former David Brown facilities in the UK, and potentially at Case facilities in North America.
