IH International Harvester B275 B414 Service Manual

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Typ: Tractor

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Art.-Nr: 76284

Stichworte: B275 B414 IH International International Harvester Tractor

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Beschreibung

The International Harvester (IH) B275 and B414 tractors represent a significant chapter in agricultural machinery, produced primarily in Doncaster, England, from the late 1950s through the late 1960s. These robust and versatile machines, powered by reliable IH BD-144 and BD-154 diesel engines respectively, were designed for a wide range of farm tasks. Known for their durable construction and straightforward engineering, the B275 and B414 models offered essential features such as a constant mesh transmission, differential lock, and the innovative IH hydraulic system, making them highly effective and sought-after for their era. Their enduring appeal continues today among farmers, collectors, and vintage machinery enthusiasts who value their operational simplicity and lasting performance. This comprehensive service and repair workshop manual provides essential documentation for the maintenance and restoration of IH B275 and B414 tractors. It covers all major systems, including detailed procedures for engine overhaul, fuel, cooling, lubrication, transmission, clutch, PTO, hydraulic systems, rear and front axles, brakes, and electrical components. The manual also includes guidance on chassis and bodywork, along with specific maintenance schedules, troubleshooting diagnostics, and critical technical specifications such as torque values and fluid requirements. Its purpose is to equip owners, mechanics, and technicians with the precise information needed to ensure these classic tractors remain in optimal working condition, preserving their functionality and historical value.

🏷️ Basic Information

Identification

Make:

International Harvester (IH)

Model:

B275 / B414

Product Type:

Service Repair Workshop Manual

👋 Introduction

Market Position

Application:

Essential documentation for owners, mechanics, and restoration specialists working on International Harvester B275 and B414 tractors.

Competitive Analysis

Value Proposition:

Provides the detailed technical information necessary for accurate diagnosis, repair, and maintenance, crucial for preserving the operational life and value of these classic tractors.

Key Features

Target Audience:

Farmers, tractor collectors, vintage machinery enthusiasts, and professional agricultural mechanics.

Problem Solution:

Solves the challenge of obtaining reliable and comprehensive repair information for these specific IH tractor models.

📋 Manual Details

Coverage Areas

Manual Scope:

Comprehensive service and repair instructions for IH B275 and B414 tractors.

Page Count

Estimated Pages:

Varies by specific edition, but typical comprehensive manuals are 300-600+ pages.

Manual Type

Type:

Workshop Manual / Service Manual / Repair Manual

Language

Language:

English (typically, may vary by specific publication)

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Disassembly, assembly, inspection, troubleshooting, overhaul of IH BD-144 (B275) and BD-154 (B414) diesel engines.

Fuel System:

Component testing and repair for injection pumps (e.g., CAV), injectors, fuel filters, and tank.

Cooling System:

Radiator, water pump, thermostat, hoses, and fan maintenance and repair.

Lubrication System:

Oil pump, filter, lubrication passages, and oil pressure troubleshooting.

Ignition System:

Diesel engine glow plug system operation and troubleshooting.

Transmission:

Overhaul and repair of the main gearbox, including gear selection, synchromesh (if applicable), and bearings.

Clutch:

Single or dual-stage clutch inspection, adjustment, and replacement procedures.

Power Take Off Pto:

PTO engagement, shaft maintenance, and repair.

Hydraulic System:

IH "Touch Control" or "Vari-Trol" hydraulic system repair, pump overhaul, cylinder service, and control valve adjustment.

Rear Axle And Differential:

Axle shaft removal, differential overhaul, and bearing adjustment.

Front Axle And Steering:

Kingpins, tie rods, steering box overhaul, and front wheel bearing service.

Brakes:

Drum brake or disc brake (depending on variant) inspection, relining, hydraulic system repair, and adjustment.

Electrical System:

Starter motor, generator/alternator, battery, wiring diagrams, lighting, and instrumentation troubleshooting.

Chassis And Frame:

Frame inspection, front support, and rear hitch component service.

Bodywork And Sheetmetal:

Fender, hood, grille, and platform repair and panel replacement.

Procedures Included

Maintenance:

Scheduled lubrication, filter changes, fluid checks, and general upkeep.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon faults across all tractor systems.

Repair:

Step-by-step instructions for component disassembly, repair, and reassembly.

Overhaul:

Complete rebuild procedures for major components like the engine and transmission.

Adjustment:

Detailed instructions for setting clearances, tensions, and operating parameters.

Specifications:

Torque values, tolerances, fluid capacities, and wear limits.

Wiring Diagrams:

Schematic diagrams for electrical systems.

Technical Depth

Depth:

Comprehensive, covering from basic daily checks to complete engine and transmission rebuilds, including specialized hydraulic system repairs.

📊 Manual Specifications

File Format

Digital Format:

PDF (Portable Document Format)

Print Quality

Clarity:

Designed for clarity, with legible text and diagrams, optimized for digital viewing and printing.

Binding Type

Binding:

N/A (Digital PDF Download)

Paper Type

Paper Type:

N/A (Digital PDF Download)

Searchability

Text Search:

Typically searchable text, allowing for quick navigation to specific topics.

⚙️ Engine Specifications

Primary Engine

Engine Model B275:

IH BD-144

Engine Model B414:

IH BD-154

Performance

Displacement B275:

2.36 liters (144 cubic inches)

Displacement B414:

2.54 liters (154 cubic inches)

Horsepower B275:

Approximately 35-40 PTO HP (rating varies)

Horsepower B414:

Approximately 40-45 PTO HP (rating varies)

Fuel System

Injection Type:

Indirect injection diesel

Typical Injection Pump:

CAV (Cotal, Ansine, Veul) rotary or distributor type

Starting Aid:

Glow plug system

🔧 Transmission

Standard

Gearbox Type:

Constant mesh, sliding gear transmission

Number Of Gears:

Typically 8 forward speeds and 2 reverse speeds (manual indicates variations may exist).

Optional

Creeper Gear:

Optional creeper gear available on some models.

Features

Differential Lock:

Standard differential lock operated by foot pedal.

📐 Dimensions

Exterior

Wheelbase:

Approx. 72 inches (1829 mm) - subject to variation.

Weights

Operating Weight:

Approx. 3,600 - 4,000 lbs (1630 - 1815 kg) - subject to variation.

Towing Capacity:

Refer to specific model documentation, typically rated for moderate towing.

🛡️ Safety Features

Active Features

Brakes:

Independent rear wheel brakes, parking brake.

Passive Features

Operator Station:

Open station with controls, PTO shield, and generally no integrated ROPS/FOPS unless retrofitted.

💡 Technology Features

Infotainment

Features:

N/A (Mechanical tractor, basic operator controls only).

Driver Assistance

Features:

N/A (Mechanical tractor).

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 100-200 operating hours, or annually.

Fuel Filter Change:

Recommended at each oil change or as needed based on fuel quality.

Air Filter Service:

Check and clean/replace regularly based on operating conditions (dusty environments require more frequent checks).

Fluid Specifications

Engine Oil:

API CD or MIL-L-2104B/C specification diesel engine oil, viscosity grade SAE 30 or SAE 10W-30 depending on climate (refer to manual for exact recommendation).

Transmission Hydraulic Fluid:

IH Hy-Trans fluid or equivalent universal tractor transmission fluid (UTTO) meeting specific IH specifications (e.g., B6 specification). This fluid often serves the transmission, hydraulic system, and final drives.

Coolant:

Permanent type antifreeze mixture (50/50) with corrosion inhibitors suitable for heavy-duty diesel engines.

Grease:

Lithium complex grease (EP type) for lubrication points.

Known Issues

Common Wear Points:

Hydraulic pump wear, PTO clutch spline wear, front axle kingpin wear, engine seal leaks (rear main, front crank).

Electrical Reliability:

Older wiring looms can degrade; starter and generator (or early alternators) can require servicing.

Hydraulic Performance:

Loss of lifting capacity or slow hydraulic response often indicates worn pump, internal leaks, or low fluid level.

📚 Vehicle History

Brand Heritage

Manufacturer:

International Harvester (IH), a major American manufacturer of agricultural and construction equipment.

Model Evolution

Development:

The B275 and B414 were part of IH's successful British-built tractor line, succeeding earlier models and popular for their versatility and robust construction.

Production

Production Years B275:

Circa 1957-1965.

Production Years B414:

Circa 1959-1968.

Manufacturing Location:

Primarily Doncaster, England.

🏆 Awards & Recognition

Recognitions

Industry Standing:

Highly regarded for their simplicity, durability, and effectiveness in farm work during their production era.