Case IH / International Harvester 856 XL Tractor Service & Repair Manual

Technical Scope of the Case IH / International Harvester 856 XL Manual

• Covers 1987 Case IH / International Harvester 856 XL tractor engines, including naturally aspirated and turbocharged D-155, D-239, D-358, and DT402 series variants
• Original T.M. Manuals publication, 2009 edition, based on the 1987 OEM workshop documentation
• Contains 100+ technical illustrations, including engine cross-sections, timing gear diagrams, and torque sequence charts
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Stored against your account so you can retrieve it after a hard-drive loss
• This 2009 edition consolidates Neuss-build diesel engine specifications used across multiple International Harvester tractor chassis and industrial power units

Engine Service and Diagnostic Overview

The Case IH / International Harvester 856 XL workshop publication provides comprehensive technical information for the Neuss-build diesel engine series. Chapters detail the internal architecture of the engine, spanning from the base crankcase and cylinder head assemblies to the intricacies of the fuel injection systems, including both EP and VA-VE style pumps. The documentation includes clear, cross-sectional views of the engine, explaining the relationships between the cooling system, lubricating system, and the timing gear train. Diagnostics sections offer guidance for addressing common issues such as poor compression, overheating, and erratic idling, ensuring accurate identification of mechanical wear based on observable symptoms.

Specification Highlights and Technical Data

Detailed tables within the document provide precise tolerance values for internal components, such as camshaft running clearance, valve seat angles, and piston-to-cylinder-sleeve clearances. Cylinder head bolt torque values are documented in a multi-stage sequence, with specific attention paid to maintenance-free gasket identification. Connecting rod side clearance is specified at 0.16–0.30 mm, while crankshaft end play is held to 0.15–0.23 mm. The understanding parts documentation for vintage International Harvester tractors provides further insight into component selection for these units. Detailed dimensional data for valve seats, rocker arm assemblies, and idler gear carriers allows for precision machining during engine rebuilds. Reference only — always consult a certified technician before performing service on this equipment. An official 800+ page Case IH / International Harvester workshop manual covering the 1987 856 XL engine series, documenting engine, cooling, fuel injection, and mechanical assembly specifications for the Neuss-built power units.