1970s International 454, 474, 475, 574, 674, 2400 & 2500 Series A Tractors Operator's Manual

Operator and Maintenance Guide for International 454–2500 Series A Tractors

• Covers 1970s International 454, 474, 475, 574, 674, 2400, and 2500 Series A tractors including gear drive and hydrostatic transmission variants
• Original OEM publication, form number 1092 877 R7
• Contains 80 technical illustrations, lubrication charts, service interval tables, and torque specification listings
• 135-page operator manual detailing control identification, starting procedures, and routine maintenance
• Delivered as a direct download the moment payment clears
• File resolution preserves clear detail for diagrams and text-based tables
• The standard edition used for the original International Harvester dealership service orientation for the 454–2500 tractor line

Operational Guidance and Maintenance Overview

This International 454–2500 Series A operator manual provides essential information for owner-operators and technicians. The documentation spans tractor identification, daily operating instructions, and safety protocols for the what an OEM service publication covers. Chapters detail the full range of controls including the fuel system, hydrostatic range selectors, gear drive lever patterns, and hydraulic linkage management. Maintenance sections focus on the cooling system, air intake filtration, and lubrication intervals required for reliable field operation.

Technical data is presented for each model variant, with engine specifications for the D-179, D-206, D-212, and D-239 power units. Cylinder head bolt torque values are documented in a three-stage sequence, with 13.1 kgm (95 lbft) specified for 475 models. Valve clearance for the intake is listed at 0.25 mm in the cylinder head specification table. Front wheel bearing assembly torque is documented at 9.7 kgm (70 lbft) before final cotter pin adjustment. The manual also includes detailed wheel track adjustment charts for varying tire sizes.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An original 135-page International Harvester operator manual covering the 1970s International 454, 474, 475, 574, 674, 2400, and 2500 Series A tractors, detailing maintenance, fluid specifications, and operational controls for all gearbox and engine variants.