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IH International

IH International Harvester 1206 1256 1456 Service Repair Workshop Manual

IH International Harvester 1206 1256 1456 Service Repair Workshop Manual

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Machine data plate
Brand
IH International
Equipment
Other Agricultural Equipment
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you โ€” re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
๐Ÿท๏ธ Basic Information
Identification
Make:
International Harvester
Model:
1206, 1256, 1456
Model Variants:
Standard, Row-Crop
Production Years:
1965-1969 (approximate)
๐Ÿ‘‹ Introduction
Market Position
Target Audience:
Farmers and equipment owners needing reliable large-framed tractors
Competitive Analysis
Advantage:
High horsepower and durable construction compared to contemporary models
Key Features
Engine:
Turbocharged diesel engines
Transmission:
Full powershift and torque amplifier options
Hydraulics:
Dual hydraulic systems with high capacity
๐Ÿ“‹ Manual Details
Coverage
Coverage Areas:
Complete tear-down and rebuild, electrical, hydraulic, and mechanical systems
Specifications
Page Count:
Hundreds of pages
Manual Type:
Factory Service Repair Manual
Language:
English
File Format:
PDF
Delivery Method:
Instant download
๐Ÿ“– Manual Coverage
Systems Covered
Engine:
Detailed disassembly, inspection, and repair procedures
Transmission:
Gear train, clutch, and shifting mechanisms
Hydraulics:
Pumps, valves, cylinders, and lines
Electrical:
Wiring diagrams, starter, generator, and lights
Steering:
Power steering system diagnostics and repair
Brakes:
Service and parking brakes adjustment and overhaul
PTO:
Power take-off assembly and maintenance
Chassis:
Axles, final drives, and frame
Cooling:
Radiator, thermostat, and water pump
Fuel System:
Injection pump, lines, and filters
Procedures Included
Maintenance:
Scheduled maintenance charts and lubrication guides
Disassembly/Assembly:
Step-by-step instructions with exploded views
Adjustment:
Specifications for tolerances and clearances
Diagnostics:
Troubleshooting charts and tests
Technical Depth
Depth:
Comprehensive professional-level detail
Parts Information
Parts:
Exploded diagrams with part numbers where available
OEM Reference:
Compatible with original equipment parts
๐Ÿ“Š Manual Specifications
File Format
File Type:
PDF
Compatibility:
Works on Windows, Mac, Linux, and mobile devices
Requirements:
PDF reader software
Searchability:
Text searchable for quick reference
Print Quality
Print Quality:
High resolution for clear diagrams and text
Binding
Binding Type:
Digital - no binding
Paper Type
Paper Type:
N/A - digital download
โš™๏ธ Engine Specifications
Primary Engine
Engine Make:
International Harvester
Engine Model:
DT-361 (1206), DT-407 (1256), DT-436 (1456)
Performance
Engine Type:
Turbocharged diesel
Displacement:
361, 407, and 436 cubic inches
Horsepower:
1206: 112 HP; 1256: 125 HP; 1456: 145 HP (approx.)
Fuel System
Fuel System:
Direct injection
Fuel Type:
Diesel
๐Ÿ”ง Transmission
Standard Transmission
Type:
International Harvester Torque Amplifier (TA)
Speeds:
10 forward, 2 reverse (with TA shift under load)
Optional Transmission
Type:
Full power shift (available on later models)
Speeds:
Multiple speeds, exact count varies
Features
Clutch:
Independent PTO clutch
Differential Lock:
Lockable differential (manual engage)
๐Ÿ“ Dimensions
Exterior
Wheelbase:
Approximately 102 inches
Length:
Typically 150-160 inches depending on model
Weights
Curb Weight:
Approximately 11,000-15,000 lbs
๐Ÿ›ก๏ธ Safety Features
Ratings
Crash Test:
Not applicable - off-highway vehicle
Active Features
Brakes:
Hydraulic wet disc brakes (optional)
Steering:
Power steering
Passive Features
Seatbelt:
Not standard - aftermarket optional
Rollover Protection:
ROPS cab available as aftermarket option
๐Ÿ’ก Technology Features
Infotainment
Audio System:
None - no factory radio
Driver Assistance
Assistance:
None - manual operation only
๐Ÿ”ง Maintenance
Service Intervals
Engine Oil:
Every 100 hours
Hydraulic Fluid:
Check every 10 hours; change every 1000 hours
Coolant:
Change every 2 years
Fluid Specifications
Engine Oil:
SAE 30 or 15W-40 diesel engine oil
Hydraulic Fluid:
International Harvester Hy-Tran fluid
Coolant:
Ethylene glycol based antifreeze
Known Issues / Wear Items
Common Wear:
PTO seals, hydraulic hoses, steering components
Known Issues:
Turbocharger failure if oil changes neglected
๐Ÿ“š Vehicle History
Brand Heritage
Manufacturer:
International Harvester Company
Model Evolution
Predecessor:
International Harvester 1206 (1965-1967)
Successor:
International Harvester 1466 (introduced 1971)
Production Location
Assembly:
Farmall Works, Rock Island, Illinois, USA
๐Ÿ† Awards & Recognition
Recognitions
Awards:
No formal awards known for this specific model line
Era Recognition
Heritage:
Recognized as among the most powerful tractors of the 1960s

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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  • Instant download PDF link on your order page and by email right after payment.
  • Secure checkout Encrypted Shopify checkout โ€” we never see your card.
  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.