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IH International

IH International Harvester 1456 Service Repair Workshop Manual

IH International Harvester 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:
1456
Model Variant:
Factory Service Repair Manual covers all variants
Production Years:
1967-1971 (approx.)
๐Ÿ‘‹ Introduction
Market Position
Target Audience:
Farmers, agricultural contractors, and machinery enthusiasts seeking a robust mid-size row-crop and utility tractor
Market Position:
The IH 1456 was a versatile competitor in the mid-to-large tractor segment, offering a blend of power, reliability, and hydraulic capability.
Competitive Advantages
Powerful Engine Options:
Available with multiple diesel engine choices (D-239, DT-239, D-282, DT-282) to match varying power needs.
Transmission Flexibility:
Offered both manual Power-Shift and Hydro-Trans transmissions, providing options for different operator preferences.
Durable Construction:
Built on International Harvester's reputation for rugged and dependable agricultural machinery.
Key Features
Hydraulic System:
Capable IH hydraulic system designed for productivity and ease of operation.
Comprehensive Manual:
This manual provides factory-level repair and service information for the complete tractor.
๐Ÿ“‹ Manual Details
Coverage
Coverage Areas:
Engine, transmission, hydraulics, electrical, PTO, axles, steering, brakes, cooling, fuel, frame, and operator's station.
Specifications
Page Count:
Approximately 800+ pages (factory service manual)
Manual Type:
Factory Service Repair Manual
Language:
English
Format:
PDF
Delivery Method:
Instant download
๐Ÿ“– Manual Coverage
Systems Covered
Engine:
Comprehensive diagnostics, disassembly, overhaul, and reassembly for all engine variants.
Transmission:
Detailed repair procedures for both Hydro-Trans and Power-Shift models.
Hydraulics:
In-depth guidance on hydraulic system components, testing, and repair.
Electrical System:
Wiring diagrams, component testing, and troubleshooting for electrical systems.
Power Take-Off (PTO):
Service instructions for PTO clutch and driveline components.
Axles:
Front and rear axle service, including bearings, seals, and differential.
Steering:
Steering gear, linkage, and hydraulic steering repair.
Brakes:
Brake adjustment, lining replacement, and hydraulic brake system service.
Cooling System:
Radiator, water pump, thermostat, and cooling system maintenance.
Fuel System:
Fuel tank, lines, filters, injection pump, and injectors service.
Frame:
Inspection and repair of the main frame and mounting hardware.
Operator's Station:
Seat, controls, gauges, and cab (if equipped) service.
Procedures Included
Maintenance Schedules:
Regular service intervals and lubrication charts.
Troubleshooting Guides:
Systematic diagnosis of common problems across all systems.
Disassembly/Assembly:
Step-by-step instructions for major components.
Torque Specifications:
Accurate torque values for all critical fasteners.
Special Tools:
Lists of special tools required for proper service.
Technical Depth
Detail Level:
Factory-level detail with diagrams, specifications, and measurements.
Parts Information
OEM Part Numbers:
Includes original part numbers where applicable for ordering parts.
๐Ÿ“Š Manual Specifications
Format Details
File Format:
PDF
Compatibility:
Works on any device with a PDF reader (Windows, Mac, iOS, Android, etc.)
Requirements:
PDF reader software is required for viewing.
Searchability:
Text is searchable for quick navigation within the manual.
Print Quality (for digital reference)
Print Quality:
High-resolution scans for clear diagrams and text when printed.
Physical Attributes (N/A for digital)
Binding Type:
Digital - no physical binding
Paper Type:
N/A - digital product
โš™๏ธ Engine Specifications
Engine Options
Base Engine:
International Harvester D-239 diesel engine (naturally aspirated)
Optional Engine 1:
DT-239 turbocharged diesel engine
Optional Engine 2:
D-282 diesel engine (larger displacement)
Optional Engine 3:
DT-282 turbocharged diesel engine
Performance
Power Range:
Approximately 100-120 engine horsepower, depending on configuration
Displacement (Base):
D-239: 239 cubic inches (3.9 L)
Displacement (Max):
D-282: 282 cubic inches (4.6 L)
Fuel System
Fuel Type:
Diesel
Injection:
Direct injection with inline injection pump
๐Ÿ”ง Transmission
Standard Transmission
Type:
Manual Power-Shift (with 6 forward speeds typical)
Optional Transmission
Type:
Hydro-Trans (hydrostatic transmission)
Features
Shift Mechanism:
Power-shift allows shifting without clutching; hydrostatic provides infinite speed control.
Rear PTO:
Independent PTO available (540 or 1000 RPM, typically)
๐Ÿ“ Dimensions
Exterior Dimensions
Wheelbase:
Approximately 100 inches (2540 mm)
Length:
Approximately 165 inches (4191 mm) with standard 3-point
Width:
Approximately 80 inches (2032 mm) (variable with tire tread)
Height:
Approximately 105 inches (2667 mm) to top of exhaust
Weights
Curb Weight:
Approximately 11,500 lb (5216 kg) without ballast
๐Ÿ›ก๏ธ Safety Features
Ratings
Crash Test Info:
N/A - not applicable for agricultural tractors
Active Safety Features
Brakes:
Hydraulic disc brakes (typical)
Lighting:
Working lights for increased visibility (optional)
Passive Safety Features
Rollover Protection:
ROPS (Roll-Over Protective Structure) was not standard on all units but could be fitted; check original equipment.
Seatbelt:
Often retrofitted with seatbelt for operator safety.
๐Ÿ’ก Technology Features
Infotainment
Audio System:
N/A - not applicable for this era of tractor
Driver Assistance
Monitoring:
Basic gauges for temperature, oil pressure, and fuel level.
Lights:
Optional lighting packages for field work.
Other Notable
3-Point Hitch:
Standard 3-point hitch with draft control (optional early).
Hydraulics:
Dual hydraulic remotes and position control.
๐Ÿ”ง Maintenance
Service Intervals
Engine Oil:
Every 100 hours (recommended)
Hydraulic Fluid:
Check level daily; change per manual (typically 1000 hours)
Air Filter:
Clean/service every 10 hours or as needed; replace per manual.
Fuel Filter:
Replace every 500 hours (approximate)
Coolant:
Change every 1000 hours or annually (per manual)
Fluid Specifications
Engine Oil:
SAE 30 (API CI-4 or higher) typical
Transmission/Hydraulic Oil:
HY-GARD type fluid (IH spec) recommended
Coolant:
Ethylene glycol-based 50/50 mixture with DCA
Known Issues
Hydraulic Pump:
Hydraulic pump seals/wear can cause leaks or pressure loss.
Electrical Contacts:
Corrosion in wiring connectors is common due to age.
Injector Nozzles:
May require occasional cleaning or replacement.
๐Ÿ“š Vehicle History
Brand Heritage
Manufacturer:
International Harvester Company (IHC)
Reputation:
Known for durable, reliable agricultural equipment.
Model Evolution
Predecessor:
International Harvester 1206 (very similar design)
Successor:
International Harvester 1466 (introduced shortly after)
Production Location
Factory:
Farmall Works Factory, Rock Island, Illinois, USA (primary assembly)
๐Ÿ† Awards & Recognition
Model Recognitions
Industry Acceptance:
The 1456 was well-received in the market and continues to be popular among collectors and restorers.
Enduring Popularity
Legacy:
The 1456 is considered a classic model in the International Harvester lineup, with parts availability and community support.

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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