IH International Harvester 756 Service Repair Manual

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The International Harvester 756 is a robust and versatile tractor, produced approximately between 1967 and 1971. Designed as a workhorse for medium to large farms, it offered enhanced power and...

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Tipo: Tractor

Proveedor:

SKU: 99819

Etiquetas: 756 IH International Ih International Harvester Tractor

Variantes de producto

Descripción

The International Harvester 756 is a robust and versatile tractor, produced approximately between 1967 and 1971. Designed as a workhorse for medium to large farms, it offered enhanced power and features for its time, building upon IH's legacy in agricultural equipment. Available with various diesel engines, including the D-236, D-263, and D-310 (with turbocharged options), and equipped with a 16-speed manual transmission, the 756 was engineered for reliability and performance in demanding field conditions. Its durable construction and functional design made it a valued asset for farmers, contributing to International Harvester's strong market presence. This comprehensive workshop repair service manual provides essential information for the maintenance, troubleshooting, and repair of the International Harvester 756 tractor. Covering all major mechanical and hydraulic systems, including detailed procedures for engine overhaul, fuel and cooling systems, clutch, transmission, PTO, hydraulics, rear axle, brakes, and steering, this manual is an indispensable resource. It also includes information on the electrical system, operator station, and preventive maintenance schedules. With over 400 pages of detailed instructions, diagrams, and specifications, this English-language manual is designed to assist owners, operators, mechanics, and restoration specialists in maximizing the longevity and performance of their IH 756 tractor.

🏷️ Basic Information

Identification

Make:

International Harvester

Model:

Product Type:

Tractor

👋 Introduction

Market Position

Target User:

Owners, operators, mechanics, and restoration specialists of the IH 756 tractor.

Value Proposition:

Essential resource for maintaining, repairing, and troubleshooting the IH 756, maximizing uptime and ensuring longevity.

Competitive Analysis

Manual Advantage:

Provides authoritative, manufacturer-level repair information not readily available in generic manuals.

Key Features

Accessibility:

Instant download allows for immediate access for on-the-job repairs or planning.

Comprehensiveness:

Covers all major mechanical and hydraulic systems specific to the 756 model.

📋 Manual Details

Coverage Areas

Primary Coverage:

Service, Maintenance, Troubleshooting, Repair

Page Count

Estimated Page Count:

Manual Type

Manual Type:

Workshop Repair Service Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Detailed breakdown, overhaul, diagnostics for all engine variants (D-236, D-263, DT-263, D-310, DT-310).

Fuel System:

Inspection, testing, and repair of injection pumps (IH DPA/DPR, CAV B Specification), injectors, fuel lines, and filters.

Cooling System:

Radiator, water pump, thermostat, hoses, fan, and coolant specifications.

Ignition System:

Spark plug testing, timing procedures (for gasoline models, though less common on 756).

Clutch:

Single and dual-stage clutch service, adjustment, and replacement.

Transmission:

Gearbox overhaul, shifting mechanisms, and maintenance for the 2WD and potentially 4WD configurations.

Power Take Off Pto:

Service and repair of the rear PTO (540/1000 RPM) and potentially the independent PTO clutch.

Hydraulics:

IH Farmall 'C' and 'D' series hydraulic systems, including pump, valves, cylinders, and filter service.

Rear Axle And Differential:

Overhaul, lubrication, and adjustment of the rear axle assembly and differential.

Brakes:

Service and adjustment of the internal expanding shoe brakes and parking brake.

Steering:

Mechanical and potentially power steering systems, including linkages and components.

Electrical System:

Wiring diagrams, component testing (alternator, starter, battery), and troubleshooting for lights and instrumentation.

Front Axle And Steering Linkage:

Inspection and repair of the front axle, kingpins, tie rods, and steering arms.

Operator Station:

Details on controls, seat, fenders, and dashboard components.

Procedures Included

Preventive Maintenance:

Detailed scheduled maintenance tasks, lubrication points, and fluid change intervals.

Troubleshooting Guides:

Systematic diagnostic procedures for common and uncommon operational issues.

Disassembly And Assembly:

Step-by-step instructions for component removal, overhaul, and reinstallation.

Adjustment Procedures:

Specific torque values, clearances, and settings for various components.

Rebuilding Procedures:

Comprehensive instructions for rebuilding major components like engines, transmissions, and hydraulic pumps.

Diagnostic Testing:

Procedures for testing the functionality and performance of key systems and components.

Technical Depth

Depth Of Coverage:

Comprehensive, from basic operator maintenance to full engine and transmission rebuilds.

Detail Level:

Highly detailed with specific measurements, torque specifications, and schematic diagrams.

Diagrams And Illustrations:

Numerous exploded views, line drawings, and system schematics to aid in repair.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely searchable text, facilitating quick information retrieval.

Print Quality

Scan Resolution:

Assumed high-resolution scan for clarity of text and diagrams.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Options:

IH D-236 (236 cu in), D-263 (263 cu in), DT-263 (263 cu in Turbocharged), D-310 (310 cu in), DT-310 (310 cu in Turbocharged).

Performance

Horsepower Range:

Approx. 60-75 PTO horsepower (varies by engine and specific configuration).

Torque Specifications:

Refer to specific engine variant sections for detailed torque figures for engine components.

Fuel System

Injection System Type:

Roosa Master (Stanadyne DPA), CAV B Specification, Bosch (less common).

Fuel Type

Fuel Type:

Diesel

Cooling System

Cooling Medium:

Water/Antifreeze mixture.

🔧 Transmission

Standard

Transmission Type:

T-706 manual gearbox with 16 forward and 4 reverse speeds (Power Shift optional).

Optional

Optional Transmission:

International Harvester Torque Amplifier (TA) - a clutch-assisted powershift for specific gears.

Features

Gear Selection:

Synchromesh in higher gears for easier shifting, unsynchronized lower gears.

Fluid Specifications

Transmission Fluid Type:

IH Hy-Trans or equivalent.

Transmission Fluid Capacity:

Approx. 15 US quarts (14.2 liters) - verify in manual.

📐 Dimensions

Exterior

Wheelbase:

86 inches (2184 mm)

Overall Length:

148.6 inches (3774 mm)

Overall Width:

75.8 inches (1925 mm)

Overall Height To Exhaust:

96.1 inches (2441 mm)

Weights

Shipping Weight:

Approx. 7,500 - 8,500 lbs (3400 - 3850 kg) depending on configuration.

Operating Weight:

Up to 10,000+ lbs with ballast and implements.

Ground Clearance:

Approx. 15-18 inches (380-457 mm), varies with tire size.

🛡️ Safety Features

Ratings

Safety Standard:

Manufactured prior to many modern tractor safety regulations (e.g., ROPS not standard).

Active Features

Braking System:

Internal expanding shoe brakes on rear axle, parking brake mechanism.

Passive Features

Operator Station Design:

Open station design; ROPS (Roll-Over Protective Structure) typically an aftermarket addition.

💡 Technology Features

Infotainment

Infotainment System:

N/A (This is a vintage agricultural tractor, features are purely functional).

Driver Assistance

Driver Assistance Features:

N/A (Mechanical controls and indicators only).

Connectivity

Connectivity Options:

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 100-200 operating hours or annually, depending on operating conditions (refer to manual).

Hydraulic Fluid Change:

Typically every 1200-1500 operating hours or annually (refer to manual).

Transmission Fluid Change:

Typically every 1200-1500 operating hours or annually (refer to manual).

Fluid Specifications

Engine Oil Type:

API CD or CE rated diesel engine oil (e.g., SAE 30 or 15W-40 depending on temperature).

Engine Oil Capacity:

Approx. 8-10 quarts (7.6-9.5 liters) for D-236/D-263, more for D-310 (verify in manual).

Hydraulic Fluid Type:

IH Hy-Tran fluid or equivalent (UTF - Universal Tractor Transmission Fluid).

Known Issues

Common Wear Items:

Clutch wear, hydraulic pump seals, injector pump timing, PTO clutch engagement, starter motor reliability.

Electrical Problems:

Wiring harness degradation, corroded connections, alternator/generator output issues.

Engine Considerations:

Turbocharger maintenance for DT variants, potential for cylinder liner wear and head gasket leaks on high-hour engines.

Lubrication Points

Grease Points:

Extensive lubrication requirements for steering components, PTO shaft, front axle pivots, and other moving parts.

📚 Vehicle History

Brand Heritage

Manufacturer:

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

Model Evolution

Series Placement:

Part of the '66' series, succeeding models like the 706 and 766, and preceding later series like the 86 and 88 series.

Development Focus:

Designed as a versatile utility tractor for medium to large farms, offering increased power and advanced features for its time.

Production

Production Years:

Approximately 1967-1971.

Manufacturing Location:

Primary manufacturing likely at IH's U.S. tractor plants (e.g., Farmall Works, Rock Island, Illinois).

🏆 Awards & Recognition

Recognitions

Industry Impact:

Considered a robust and reliable workhorse in its era, contributing significantly to IH's market share.

Ratings

User Reviews Historical:

Generally well-regarded for its power, versatility, and durability by farmers of the period.

Certifications

Certification Standard:

N/A (No modern certifications apply).