International Harvester IH McCormick B250 B275 Tractor (2 Manual Set) Service Repair Workshop Manual Pdf

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Typ: Tractor

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Art.-Nr: 94076

Stichworte: Agriculture B250 Featured IH McCormick B250 IH McCormick B275 International Harvester McCormick Tractor Tractors

Produktvarianten

Beschreibung

This manual provides comprehensive service and repair information for the McCormick B-250 and B-275 tractors, diesel-powered workhorses introduced in the mid-to-late 1950s. These tractors, part of the renowned 'B' series, were known for their robust construction and versatility in agricultural applications. The B-250, powered by a 144 cubic inch diesel engine, offered approximately 32 PTO horsepower, while the B-275 featured a slightly larger 154 cubic inch diesel engine delivering around 37 PTO horsepower. Both models are characterized by their manual transmissions with 8 forward and 2 reverse speeds, single-plate dry clutches, and reliable direct injection fuel systems, embodying the dependable engineering of their time. The purpose of this factory service repair workshop manual is to guide owners, mechanics, and technicians through all aspects of maintaining and repairing the McCormick B-250 and B-275 tractors. It covers a wide range of systems, including detailed procedures for the engine, transmission, hydraulics, electrical system, steering, brakes, and chassis. Within its extensive pages, users will find step-by-step instructions for maintenance, adjustments, troubleshooting, and complete overhauls, supported by hundreds of detailed diagrams and illustrations. This manual serves as an indispensable resource for ensuring the longevity and optimal performance of these classic tractors.

🏷️ Basic Information

Identification

Make:

International Harvester

Brand Sub Division:

McCormick

Model:

B-250

Model Variant:

B-275

Product Type:

Tractor

Documentation Type:

Service Repair Workshop Manual

👋 Introduction

Market Position

Target Audience:

Owners, mechanics, technicians, and enthusiasts of International Harvester McCormick B250 and B275 tractors.

Competitive Analysis

Value Proposition:

Provides professional-grade repair and maintenance information, comparable to original factory manuals, for essential tractor upkeep.

Key Features

Completeness:

Full, unrestricted version covering all aspects of repair and servicing.

Accessibility:

Instant download for immediate access across multiple devices.

📋 Manual Details

Coverage Areas

Coverage Summary:

Comprehensive repair, servicing, and troubleshooting procedures for International Harvester McCormick B250 and B275 tractors.

Page Count

Estimated Pages:

Hundreds of pages (specific count not provided, but indicated as extensive).

Manual Type

Type:

Factory Service Repair Workshop Manual

Language

Language:

English (implied by product description targeting international markets and typical manual language).

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Detailed engine overhaul, diagnostics, tuning, fuel system, lubrication, cooling system.

Transmission:

Service and repair of the gearbox, clutch, differential, and final drives.

Hydraulics:

Hydraulic system operation, maintenance, pump and cylinder repair, control mechanisms.

Electrical System:

Wiring diagrams, starter, generator/alternator, lighting, ignition system troubleshooting.

Steering And Brakes:

Service procedures for steering linkages, braking system components, and adjustments.

Front Axle And Rear Axle:

Inspection, repair, and maintenance of front and rear axle assemblies.

Body And Chassis:

Frame, sheet metal repair, mounting points, and general chassis maintenance.

Procedures Included

Maintenance:

Regular servicing, lubrication schedules, filter replacement, fluid changes.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon faults.

Repair:

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

Overhaul:

Complete engine and major component rebuild procedures.

Adjustments:

Precise adjustment procedures for engine timing, valve clearance, brakes, etc.

Technical Depth

Depth:

Professional-grade, covering all aspects from basic maintenance to complete engine rebuilds and advanced diagnostics.

Diagrams And Illustrations:

Hundreds of detailed photos and exploded diagrams for clear visual guidance.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely searchable text content within the PDF, typical of professional manuals.

Print Quality

Print Capability:

Printable (single page or entire manual).

Binding Type

Binding:

Digital Download (no physical binding).

Paper Type

Paper Type:

N/A (Digital format).

Licensing

Usage Rights:

Lifetime use on multiple devices, no expiry dates or renewal fees.

Compatibility

Operating Systems:

Fully compatible with Windows and MAC computers, tablets, and smartphones.

⚙️ Engine Specifications

Primary Engine

Engine Type:

Diesel

Engine Model B250:

BD-144 (4-cylinder, direct injection)

Engine Model B275:

BD-154 (4-cylinder, direct injection)

Performance

Bore Stroke B250:

3.50" x 4.125" (88.9 mm x 104.8 mm)

Bore Stroke B275:

3.625" x 4.125" (92.1 mm x 104.8 mm)

Displacement B250:

144 cu. in. (2.36 liters)

Displacement B275:

154 cu. in. (2.52 liters)

Horsepower B250:

Approx. 32 PTO HP (23.9 kW)

Horsepower B275:

Approx. 37 PTO HP (27.6 kW)

Fuel System

Fuel Type:

Diesel

Injection System:

Direct Injection (likely CAV or Bosch)

Fuel Filter Part Number Example:

Refer to manual for specific part numbers (e.g., Donaldson P550508 might be applicable).

🔧 Transmission

Standard

Transmission Type:

Manual

Gear Configuration:

8 Forward, 2 Reverse speeds (typical for these models).

Features

Clutch Type:

Single plate, dry clutch.

Pto Speeds:

540 RPM PTO standard, with potential for 1000 RPM PTO as option or variant.

Gear Ratio Information:

Detailed gear ratios provided within the manual for diagnosis and repair.

📐 Dimensions

Weights

Operating Weight Approx B250:

Approx. 3,200 - 3,500 lbs (1450 - 1590 kg)

Operating Weight Approx B275:

Approx. 3,300 - 3,600 lbs (1497 - 1633 kg)

Wheelbase Approx:

Approx. 75 inches (1905 mm)

🛡️ Safety Features

Ratings

Safety Features Coverage:

Manual covers maintenance and repair of safety-critical components like brakes and steering, but no formal crash ratings apply.

Active Features

Brake System:

Drum brakes (rear), potentially external contracting band brake for parking.

Passive Features

Operator Station:

Basic operator station, manual will cover seating, controls, and dashboard components.

💡 Technology Features

Infotainment

Infotainment System:

None (basic tractor design).

Driver Assistance

Driver Assistance Features:

None (basic tractor design).

Connectivity

Connectivity Features:

None (basic tractor design).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically 100-150 hours, refer to manual for exact specification.

Air Filter Service:

Check and clean/replace based on operating conditions, typically at 100 hours.

Fuel Filter Replacement:

Typically at oil change intervals or as needed if fuel quality is poor.

Fluid Specifications

Engine Oil Type:

API CD or higher, SAE 30 or 10W-30 depending on climate. Refer to manual for exact specification and capacity.

Transmission Hydraulic Fluid:

IH Hy-Tran or equivalent, ISO VG 46 hydraulic fluid. Refer to manual for exact specification and capacity.

Coolant:

Ethylene glycol based antifreeze mixture. Refer to manual for ratio and type.

Known Issues

Common Wear Items:

Clutch wear, hydraulic pump issues, starter motor problems, injector pump calibration, potential for cylinder liner issues with high mileage.

Engine Sealing:

Gasket and seal leaks (e.g., oil pan, valve cover, front/rear main seals) can occur with age.

📚 Vehicle History

Brand Heritage

Manufacturer:

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

Model Evolution

Production Period:

Introduced in the mid-to-late 1950s (B250 around 1955, B275 around 1957).

Model Lineage:

Part of the International Harvester 'B' series tractors, known for their versatility and reliability.

Production

Manufacturing Location:

Likely manufactured in the United States (e.g., Louisville, Kentucky) and potentially other international IH plants.

🏆 Awards & Recognition

Recognitions

Model Recognition:

While specific awards for these models aren't typically highlighted in the same way as modern vehicles, they were renowned for their robust construction and utility in their era, earning a reputation for dependable service.