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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 HarvesterInternational IH Cub Cadet 154 184 185 Tractor Workshop🏷️ Basic Information Identification Make: International Harvester (IH) Model: Cub Cadet 154, 184, 185 Tractor Model Variant: 154, 184, 185 Production Years Covered: N/A - not specified for these models, manual covers all years of production 👋 Introduction Market Position...
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vendorInternational HarvesterInternational IH Cub Cadet 154 184 185 Tractor WSM Service...The International Harvester (IH) Cub Cadet 154, 184, and 185 tractors represent a robust lineage of compact agricultural machinery, produced approximately from the early 1970s to the early 1980s. These models, powered by reliable International Harvester gasoline engines ranging from...
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vendorInternational HarvesterInternational Harvester 574 Tractor WSM Service ManualThis manual covers the International Harvester 574 Tractor, a versatile utility tractor produced primarily during the 1970s. Known for the robust engineering and reliability characteristic of International Harvester equipment, the 574 was designed to handle a wide range of agricultural...
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vendorInternational HarvesterInternational Harvester 766 Tractor WSM Service Manual🏷️ Basic Information Identification Make: International Harvester Model: 766 Tractor Product Type: Service Manual (WSM) Production Years: 1969-1971 👋 Introduction Market Position Target Audience: Tractor owners, mechanics, and maintenance personnel seeking to perform repairs and maintenance. Segment: Utility Tractor Competitive...
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vendorInternational HarvesterInternational Harvester 474 Tractor WSM Service ManualThe International Harvester 474 Tractor, produced primarily in the late 1970s and early 1980s, represents a robust and versatile piece of agricultural machinery. As part of IH's well-regarded '44 series,' this tractor built upon a legacy of durability and reliability,...
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vendorInternational HarvesterInternational Harvester 424 Tractor WSM Service ManualThe International Harvester 424 Tractor represents a robust and reliable piece of agricultural machinery, a product of International Harvester's esteemed heritage in farm equipment manufacturing. Likely produced during the 1960s and early 1970s, this first-generation utility tractor embodies the durability...
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vendorInternational HarvesterInternational Harvester 454 Tractor WSM Service Manual🏷️ Basic Information Identification Make: International Harvester Model: 454 Tractor Model variant: Utility tractor with diesel engine options Production years covered: Late 1960s to 1970s 👋 Introduction Market Position Target audience: Owners, operators, mechanics, and technicians seeking to maintain and...
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vendorInternational HarvesterInternational Harvester 674 Tractor WSM Service ManualThe International Harvester 674 Tractor, produced primarily in the 1970s, represents a robust and reliable piece of agricultural machinery. As part of the esteemed International Harvester legacy, known for its durable and dependable equipment, the 674 model offered significant workhorse...
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vendorInternational HarvesterInternational Harvester 886 Tractor WSM Service ManualThe International Harvester 886 Tractor, produced approximately between 1976 and 1981, represents a robust and versatile piece of agricultural machinery. As part of the highly regarded 86 series, this tractor was known for its power and reliability, making it a...
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vendorInternational HarvesterInternational Harvester 364 Tractor WSM Service ManualThe International Harvester 364 Tractor, produced from the late 1960s through the 1970s, represents a robust and reliable piece of agricultural machinery. As part of IH's esteemed utility tractor line, the 364 offered a balanced combination of power and maneuverability,...
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vendorInternational HarvesterInternational Harvester 1066 Tractor WSM Service ManualThe International Harvester 1066 is a robust, heavy-duty agricultural tractor, produced from approximately 1971 to 1976. Renowned for its power and durability, this model was a significant player in its era, competing with other leading brands. It features a powerful...
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vendorInternational HarvesterInternational Harvester B414 Tractor WSM Service ManualThe International Harvester B414 is a robust utility tractor, produced approximately between 1958 and 1966. Renowned for its durability and reliable diesel engine, it was engineered to handle demanding agricultural tasks. Key features include a strong gearbox with multiple forward...
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vendorInternational HarvesterInternational Harvester 2444 Tractor WSM Service ManualThe International Harvester 2444 Tractor represents a robust and versatile utility machine, designed for demanding agricultural and industrial tasks. Produced primarily in the late 1960s and early 1970s, this tractor was engineered to be a reliable workhorse, capable of handling...
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vendorInternational HarvesterInternational Harvester 2424 Tractor WSM Service ManualThe International Harvester 2424 Tractor, produced from the late 1960s to the early 1970s, represents a significant piece of agricultural machinery heritage. As part of the renowned '24' series, this tractor is recognized for its utility and versatility in farm...
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vendorInternational HarvesterInternational Harvester B275 Tractor WSM Service Manual🏷️ Basic Information Identification Make: International Harvester Model: B275 Model Variant: Standard tractor (Row-crop variant) Production Years Covered: 1955-1960 👋 Introduction Market Position Market Segment: Light to medium-duty agricultural tractor Target User: Farmers, agricultural mechanics, restoration enthusiasts Competitive Analysis Advantage...
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