International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978

4.7starstarstarstarstar_half(3)
★ BEST RATED
visibility Preview Available
International International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978 manual page preview - page 1 of

Sample pages from the International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978 manual

International International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978 manual preview page 1 - thumbnail
International International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978 manual preview page 2 - thumbnail
International International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978 manual preview page 4 - thumbnail
International International Harvester™ manual for 454-674, 2400 & 2500 models, covers 1970-1978 manual preview page 5 - thumbnail
info_outline Click thumbnails to preview different pages

Purchase & Download

$20.60 (incl. VAT) Instant Download / No Shipping Fees
5 copies sold
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Document Details

keyboard_arrow_down
Document Number / Seller:
28930 / Steven Owens
File Size:
0.00 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Tractor
Last updated / verified
Feb 9, 2026

Models Covered & Key Technical Specifications

454, 474, 475, 574, 674, 2400, 2500 / International Harvester™

Production years (depending on model): 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978.

Engine specs:

  • (454):
    • C-157, gasoline, 4-cylinder, liquid-cooled, 157 ci, 2.6 L, 3.375x4.39 inches, 86 x 112 mm, 50 hp, 37.3 kW, 7.5:1.
    • D-179, diesel, 3-cylinder, liquid-cooled, 179 ci, 2.9 L, 3.875x5.0625 inches, 98 x 129 mm.
  • (474):
    • D-206, diesel, 4-cylinder, liquid-cooled, 206 ci, 3.4 L, 3.875x5.06 inches, 98 x 129 mm, 62 hp, 46.2 kW.
  • (475):
    • Perkins A4.212, diesel, 4-cylinder, liquid-cooled, 212 ci, 3.5 L, 3.875x4.50 inches, 98 x 114 mm, 60 hp, 44.7 kW.
  • (574):
    • C-200, natural gasoline, 4-cylinder, liquid-cooled, 200.3 ci, 3.3 L, 3.8125x4.39 inches, 97 x 112 mm, 67 hp, 50.0 kW, 7.33:1.
    • D239, diesel, 4-cylinder, liquid-cooled, 238.6 ci, 3.9 L, 3.875x5.06 inches, 98 x 129 mm, 12:1.
  • (674):
    • D239, diesel, 4-cylinder, 239 ci, 3.9 L, 3.875x5.06 inches, 98 x 129 mm, 16:1.
    • C200, gasoline, 4-cylinder, liquid-cooled, 200.3 ci, 3.3 L, 3.8125x4.39 inches, 97 x 112 mm, 7.33:1.
  • (2400):
    • D-179, diesel, 3-cylinder, liquid-cooled, 179 ci, 2.9 L, 3.875x5.060 inches, 98 x 129 mm, 46 hp, 34.3 kW, 16:1.
    • C-157, gasoline, 4-cylinder, liquid-cooled, 157 ci, 2.6 L, 3.375x4.390 inches, 86 x 112 mm, 46 hp, 34.3 kW, 7.5:1.
  • (2500):
    • D-239, diesel, 4-cylinder, 206 ci, 3.4 L, 3.875x4.38 inches, 98 x 111 mm, 67 hp, 50.0 kW, 80 hp, 59.7 kW.
    • C-200, gasoline, 4-cylinder, liquid-cooled, 66 hp, 49.2 kW, 74 hp, 55.2 kW.

Professional Workshop Service Manual & Technical Specifications

International Harvester 454–674, 2400 & 2500 Tractor Service Manual (1970–1978)

This is a comprehensive technical service manual for a range of International Harvester tractors from the early 1970s. It provides detailed, system-oriented reference content that helps confirm whether your specific tractor variant falls within the documented scope before purchase. The manual is organized with clear coverage lists, structured technical sections, and model grouping information for workshop use. :contentReference[oaicite:0]{index=0}

System depth highlights

  • Detailed PDF technical reference designed for International Harvester tractors from 1970–1978 :contentReference[oaicite:1]{index=1}
  • Includes multiple engine configurations and model variants across several model families :contentReference[oaicite:2]{index=2}
  • Organized into professional workshop sections such as lubrication, transmission, hydraulics, brakes, and electrical systems :contentReference[oaicite:3]{index=3}
  • Structured content supports technical comparison and component reference across covered models :contentReference[oaicite:4]{index=4}
  • Designed as an authoritative reference rather than a basic operator guide :contentReference[oaicite:5]{index=5}

Coverage details

Scope dimension Included scope
Tractor families covered International Harvester 454, 474, 475, 574, 674, 2400, 2500
Production years 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978
Document type Service / Workshop Reference Manual
Language English
Content focus Technical systems, mechanical specifications, detailed reference

This manual is ideal for technicians, workshop professionals, and experienced owners who require accurate technical documentation for International Harvester tractors within the specified model range and production years. :contentReference[oaicite:6]{index=6}

FAQ

**Which engine variants are covered in this technical service data for International Harvester?** keyboard_arrow_down

A: This workshop archive includes full mechanical documentation for the C-157, D-179, D-206, and D239 gasoline and diesel configurations, as well as the Perkins A4.212 unit. It specifically addresses the overhaul procedures for the 2500 model variant, ensuring all technical values for the 1970–1978 production cycle are fully preserved across the integrated hydraulic and transmission systems.

**How do I verify the correct fuel system diagnostics and injection pump settings?** keyboard_arrow_down

A: Identify the exact fuel pressure benchmarks and troubleshooting tips for fuel-related issues within the specialized fuel system chapter. The manual provides step-by-step procedures for injection pump maintenance and fuel tank inspection to ensure optimal combustion performance for the 454 to 674 series.

**Determine the specific steps for conducting a hydraulic system pressure test?** keyboard_arrow_down

A: Identify the exact pressure tolerances and valve adjustment protocols within the hydraulic system service groups to maintain machine reliability. The documentation covers the complete circuit diagnostics, providing a systematic approach to pinpointing malfunctions in the steering and power take-off assemblies.

**Identify the electrical system diagnostics and wiring schematic locations?** keyboard_arrow_down

A: Tool-ID "Digital Multimeter" is essential for troubleshooting the wiring diagrams, starting system, and alternator circuits as detailed in the electrical section. The technical data guides technicians through the identification of all switch configurations and ground points to ensure accurate fault isolation for the 2400 and 2500 utility models.

**What are the key technical specifications for engine specifications and bolt tightening?** keyboard_arrow_down

A: Tool-ID "Torque Wrench" must be used to secure engine cylinder head bolts and chassis fasteners to the specific factory-spec values found in the general specifications section. The guide encompasses the entire engine service journey, providing critical data on clearances and lubrication schedules to extend the equipment's lifespan between 1970–1978.

Customer Reviews

Read what our customers say about this International Tractor manual and share your own experience.

Add a Review

* Required information
1000
Captcha Image

Reviews (3)

Avatar
New
This manual is a lifesaver for maintaining my International Harvester! The download process was seamless and support was incredibly responsive. Highly recommend!
Avatar
New
I found this manual to be extremely helpful for troubleshooting my tractor. The download link arrived promptly, and their customer service was very supportive. A must-have manual!
Avatar
New
The service manual is detailed and covers everything I need for my tractor repairs. Quick email response when I had questions about the download. Very professional service!