International Harvester 674 Tractor Workshop Service Manual

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🏷️ Basic Information Identification Make: International Harvester Model: 674 Tractor Model Designation: 674 Vehicle Type: Agricultural Tractor 👋 Introduction Market Position Target Audience: Professional technicians, DIY mechanics, tractor owners performing...

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Typ: Tractor

Anbieter:

Art.-Nr: 23035

Stichworte: 674 Agriculture Featured International Harvester Tractor Tractors

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Beschreibung

🏷️ Basic Information

Identification

Make:

International Harvester

Model:

674 Tractor

Model Designation:

Vehicle Type:

Agricultural Tractor

👋 Introduction

Market Position

Target Audience:

Professional technicians, DIY mechanics, tractor owners performing repairs and maintenance

Key Features

Delivery:

Instant Download, no shipping costs or delays

Benefit For Users:

Enables users to perform maintenance and repairs themselves, saving on labor costs

Document Origin:

Written by manufacturers, original workshop manual content

📋 Manual Details

Coverage Areas

Primary Coverage:

Service, Repair, Maintenance, Diagnostics, Overhaul

Page Count

Estimated Pages:

Hundreds (specific number not provided, but indicated as extensive)

Manual Type

Type:

Workshop Service Manual, Repair Manual

Language

Language:

English

Format

Delivery Method:

Instant Download

File Format:

📖 Manual Coverage

Systems Covered

Engine:

Full engine repair, overhaul, troubleshooting, diagnostics, fuel system, cooling system, lubrication system

Transmission:

Gearbox repair, clutch, power take-off (PTO), differential, final drives

Hydraulics:

Hydraulic system repair, pump, cylinders, valves, control systems

Electrical:

Wiring diagrams, starter, alternator, lighting, ignition system, troubleshooting

Chassis:

Frame, steering, suspension, axles, brakes

Operator Station:

Controls, dashboard, operator comfort features

Procedures Included

Maintenance:

Periodic maintenance charts, lubrication schedules, fluid changes

Repair:

Step-by-step repair instructions for all major systems

Troubleshooting:

Diagnostic procedures for common and uncommon issues

Overhaul:

Complete engine and component overhaul procedures

Technical Depth

Depth:

Comprehensive, suitable for professional technicians and advanced DIY mechanics

📊 Manual Specifications

File Format

Printability:

Full Printable

Zoom Capability:

YES (Zoom IN/OUT)

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Type:

N/A (Digital PDF)

Requirements

Reader Software:

Adobe PDF Reader

Extraction Software:

WinRAR

Compatibility

Operating Systems:

All Versions of Windows & Mac

⚙️ Engine Specifications

Primary Engine

Engine Type:

Diesel

Engine Family:

International Harvester D-Series

Displacement Cc:

3170 (approx. for common variants)

Cylinder Count:

3 or 4 (depending on specific engine variant of the 674)

Performance

Horsepower Gross:

Approx. 60-70 HP (specific figures vary by engine variant and tuning)

Fuel System

Fuel Type:

Diesel

Injection System:

Inline injection pump (e.g., CAV, Bosch)

🔧 Transmission

Standard

Transmission Type:

Manual

Gear Configuration:

Multiple forward and reverse gears (e.g., 8 forward, 4 reverse, or more with Hi-Lo range)

Features

Power Take Off Pto:

Standard PTO, often 540 RPM and/or 1000 RPM

Clutch Type:

Dual-stage clutch (one for transmission, one for PTO)

📐 Dimensions

Weights

Operating Weight Kg:

Approx. 2200-2500 kg (depending on configuration)

Wheelbase Mm:

Approx. 2050-2150 mm (depending on configuration)

🛡️ Safety Features

Active Features

Brakes:

Hydraulic disc brakes (often internal expanding on rear axle)

Passive Features

Roll Over Protection:

Optional ROPS (Roll-Over Protective Structure) may be fitted or available as an aftermarket addition.

💡 Technology Features

Infotainment

Infotainment System:

Basic analog gauges for engine monitoring (oil pressure, temperature, fuel level, ammeter)

Driver Assistance

Operator Aid:

Power steering (often hydrostatic) for ease of operation.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 250-500 hours or annually (specific interval detailed in manual)

Air Filter Check:

Daily or as needed based on operating conditions

Fluid Specifications

Engine Oil Type:

API CD or CE rated diesel engine oil, SAE 10W-30 or 15W-40 (refer to manual for exact viscosity)

Transmission Hydraulic Fluid:

IH Hytran or equivalent universal tractor transmission fluid (UTTF) / UTF-M (refer to manual)

Coolant Type:

Ethylene glycol based antifreeze with corrosion inhibitors (50/50 mix with distilled water)

Known Issues

Common Wear Points:

Clutch wear, PTO engagement issues, hydraulic system leaks, starter motor reliability, injector pump calibration

Electrical Problems:

Wiring harness degradation, corrosion on electrical connectors

📚 Vehicle History

Brand Heritage

Brand Significance:

International Harvester was a major American manufacturer of agricultural machinery, construction equipment, and vehicles.

Model Evolution

Series Context:

The 674 was part of IH's popular range of medium-duty tractors, known for their reliability and versatility.

Production

Production Years:

Mid-1970s to early 1980s (approximate)

🏆 Awards & Recognition

Recognitions

Industry Standing:

Recognized for robustness and reliability in its class during its production era.