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Factory workshop manuals
International Harvester Repair Manuals
- Instant PDF download
- OEM repair procedures
- Wiring diagrams & torque specs
International Harvester was formed in Chicago in 1902 and became a major American builder of farm tractors, trucks, and construction equipment. This page offers repair and service manuals for International Harvester engines, covering the gasoline and diesel powerplants used across its tractor and truck lines.
International Harvester, known as IH, was formed in 1902 in Chicago through the merger of the McCormick Harvesting Machine Company and the Deering Harvester Company. What began as an agricultural equipment maker grew into a diversified manufacturer building farm tractors, trucks, and construction machinery under one roof, becoming a familiar name across American farms and highways alike.
On the agricultural side, IH is remembered for its Farmall tractors, introduced in 1924, while its truck lineup included the Auto Buggy dating back to 1907, along with later models such as the Loadstar and Fleetstar. The company also built the Scout utility vehicle from 1961 to 1980 and a range of construction equipment, giving it a presence across farm fields, highways, and job sites alike.
IH engines covered in these manuals include the C-series and BD-series gasoline sixes, the D-series diesels, and the DT466 diesel introduced in the 1970s. Each manual includes engine rebuild procedures, transmission service, electrical systems and wiring diagrams, torque specifications, diagnostic guidance, and scheduled maintenance information for these tractor, truck, and construction equipment engines.
In 1985 IH sold its agricultural line, which became Case IH, and the company itself was renamed Navistar in 1986. Owners restoring IH tractors and trucks, independent repair shops, and workshops servicing older construction equipment all rely on these manuals for accurate, factory-level repair information and procedures.
International Harvester Models
56 models-
International Harvester IH International
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International Harvester Case
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International Harvester Tractors
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International Harvester BC 144
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International Harvester BD144A
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International Harvester Daihatsu
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International Harvester Magnum MX 310
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International Harvester MX310 Magnum
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International Harvester 364
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International Harvester BD154
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Other International Harvester
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International Harvester 254
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International Harvester 234
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International Harvester 244
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International Harvester 274
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International Harvester 330
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International Harvester 354
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International Harvester 384
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International Harvester 424
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International Harvester 434
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International Harvester 444
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International Harvester 460
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International Harvester 454
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International Harvester 464
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International Harvester 474
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International Harvester 475
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International Harvester 484
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International Harvester 544
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International Harvester 656
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International Harvester 560
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International Harvester 574
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International Harvester 584
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International Harvester 666
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International Harvester 674
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International Harvester 686
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International Harvester 684
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International Harvester 784
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International Harvester 786
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International Harvester 884
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International Harvester 886
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International Harvester 986
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International Harvester 1086
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International Harvester 1586
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International Harvester 2424
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International Harvester 2504
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International Harvester 2444
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International Harvester 5488
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B Series
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Other International Harvester
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International Harvester 10 Series
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CUB
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Farmall Series
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International Harvester IH Models
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Other International Harvester
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Hydro Series
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International Harvester 766 Series
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vendorInternational HarvesterIH International Harvester 2756 Factory Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 2756 Model Variant: Standard Production Years: Late 1970s to early 1980s 👋 Introduction Market Position Target Audience: Farmers and agricultural contractors in the heavy-duty segment Competitive Advantage: Known for robust construction, reliable...
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vendorInternational HarvesterIH International Harvester 2856 Factory Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 2856 Model Variant: N/A - not specified for this model Production Years: N/A - not specified for this model 👋 Introduction Market Position Target Audience: Owners, mechanics, and technicians working on International...
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vendorInternational HarvesterIH International Harvester 706 Factory Service Repair ManualThe International Harvester 706 tractor, produced between 1963 and 1967, represents a significant piece of agricultural machinery from a company renowned for its robust and reliable equipment. This versatile utility tractor was a popular choice for farming operations, competing with...
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vendorInternational HarvesterIH International Harvester 806 Factory Service Repair ManualThe International Harvester 806, produced approximately between 1963 and 1967, stands as a robust and versatile utility tractor designed for medium-duty agricultural applications. Known for its strong engineering and reliability, the 806 offered a competitive blend of power and features...
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vendorInternational HarvesterIH International Harvester 1206 Factory Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 1206 Model Variant: Agricultural tractor Production Years Covered: 1963-1967 👋 Introduction Market Position Target Audience: Farmers and agricultural operators seeking a versatile tractor bridging utility and row-crop duties. Purpose: Designed as a...
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vendorInternational HarvesterIH International Harvester 2806 Factory Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 2806 Model Variant: 2WD Row-Crop Tractor Production Years: Mid-to-late 1970s to early 1980s 👋 Introduction Market Position Target Audience: Farmers and operators requiring a heavy-duty agricultural utility tractor for demanding tasks Market...
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vendorInternational HarvesterIH International Harvester 2706 Factory Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 2706 Model Variant: Utility tractor Production Years: Late 1960s to early 1970s 👋 Introduction Market Position Target Audience: Designed for demanding agricultural and heavy-duty applications. Competitive Analysis: Competed with other major manufacturers...
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vendorInternational HarvesterINTERNATIONAL HARVESTER Series 100 130 140 200 230 240 404...This manual covers International Harvester Series 100, 130, 140, 200, 230, 240, 404, and 2404 tractors, produced from the late 1950s through the early 1970s. These robust machines were designed for a variety of agricultural and utility applications, representing a...
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vendorInternational HarvesterInternational Harvester Tractor 786 Workshop Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 786 Model Variant: N/A - no specific variant designation Production Years: Late 1970s to early 1980s 👋 Introduction Market Position Target Audience: Professional Technicians, Do-It-Yourself Mechanics, Owners performing maintenance and repairs Competitive...
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vendorInternational HarvesterInternational Harvester BD144A Engine Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: BD144A Model Variant: BD144A Engine Production Years Covered: N/A - not specified in available sources Engine Type: Diesel/Gasoline (adaptable) Displacement: 144 cubic inches 👋 Introduction Market Position Target Audience: Owners, mechanics, and...
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vendorInternational HarvesterIH International Harvester 2806 Service Repair ManualThis manual covers the International Harvester 2806 Tractor, a robust machine produced primarily in the late 1960s and early 1970s. Renowned for its power, reliability, and workhorse capabilities, the 2806 is a testament to International Harvester's legacy in agricultural equipment...
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vendorInternational HarvesterIH International Harvester 2706 Service Repair Manual🏷️ Basic Information Identification Make: International Harvester (IH) Model: 2706 Tractor Model Variant: 06 series, 2706 Production Years Covered: mid-1960s to early 1970s 👋 Introduction Market Position Target Audience: Mechanics, farm equipment technicians, owners undertaking their own repairs. Competitive Analysis...
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vendorInternational HarvesterIH International Harvester 766 tractor Service Repair Manual🏷️ Basic Information Identification Make: International Harvester Model: 766 Model Variant: 766 Tractor Production Years: N/A - not specified in manual 👋 Introduction Market Position Target Audience: Owners with basic mechanical skills, independent service professionals, and anyone seeking informed discussions...
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vendorInternational HarvesterIH International Harvester 784 Tractor Service Repair ManualThe International Harvester 784 Tractor, a robust and reliable machine produced from the late 1970s to the early 1980s, represents a significant part of IH's legacy in agricultural equipment. Known for its versatility and durable engineering, the 784 is powered...
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vendorInternational HarvesterIH International Harvester 1206 Service Repair ManualThe International Harvester 1206, produced between 1963 and 1969, stands as a testament to robust engineering in heavy-duty agricultural machinery. This tractor, known for its powerful diesel engine options and advanced power shift transmission for its time, offered significant productivity...
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