Case IH 956 & 1056 XL Workshop Manual D-155 – DT-402 Engine Service

Technical Scope for Case IH 956 & 1056 XL Engines

• Covers 1987 Case IH 956 and 1056 XL tractor engines, including naturally aspirated and turbocharged D-155, D-179, D-206, D-239, D-246, D-268, D-310, D-358, DT-239, DT-358, and DT-402 models
• Third-party publication © T.M. Manuals 2009, referencing J.I. Case November 1987 documentation
• Contains 212 illustrated diagrams covering engine disassembly, timing gear alignment, fuel system diagnostics, and cylinder head component assembly
• Accessible from your device as soon as the order is placed
• OCR text layer lets you jump to a torque spec by keyword
• Suitable for printing individual sections for shop-floor use
• Page spreads stay legible when printed at original size
• This 886-page factory-referenced publication provides the baseline specification data for rebuilding the IH D-series engine family, specifically tailored for the Case IH 956 and 1056 XL tractor fleet.

Engine Service Documentation

The 1987 Case IH 956 and 1056 XL workshop manual details the structural and mechanical components of the D-series diesel engines. Coverage includes the foundational cylinder block, cylinder head assembly, and valve lever mechanisms. Specialized sections document the crankshaft, connecting rod installation, and precision piston-to-sleeve measurements. The text outlines the specific timing requirements for the injection pump, lubricating system, and water pump components, supported by detailed exploded-view graphics.

Technical Preview of Specifications

This J.I. Case 1987 publication contains extensive tolerance charts, fluid capacities, and torque-load documentation for the Case IH 956 and 1056 XL engine series. Cylinder head bolt torque values are documented in a multi-stage sequence, ensuring proper sealing of the maintenance-free head gasket. Valve clearance for the intake is listed at 0.30 mm in the engine specification table. Crankcase pressure and blow-by values are provided for engines ranging from the 3-cylinder D-155 through the 6-cylinder DT-402. The what an OEM service publication covers includes timing gear train alignment and the specific static timing procedures required for VE-series injection pumps. Reference only — always consult a certified technician before performing service on this equipment.