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

Complete IH D-Series Engine service documentation for Case IH 956, 1056, 956XL, and 1056XL Tractors. Covers D-155 to DT-402 engines, with part number DCN 8-59030.

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Document Details

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Document Number / Seller:
25547 / Ashley Jackson
File Size:
151.64 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Tractor
Last updated / verified
Aug 26, 2025

Models Covered & Key Technical Specifications

Case IH 956 & 1056 XL Workshop Manual: IH D-Series Engines (D-155 to DT-402) Service Manual for Case IH 956, 1056, 956XL, and 1056XL Tractors Factory-Standards IH D-Series Engines (D-155 to DT-402) Service Manual | Case IH Tractors Division.

  • Design Production Rate: 25 ppm establishes the maximum print output Architecture.
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Professional Workshop Service Manual & Technical Specifications

Case IH 956 & 1056 XL Workshop Manual: IH D-Series Engines (D-155 to DT-402) Service Manual for Case IH 956, 1056, 956XL, and 1056XL Tractors Factory-Standards

Specification-Class: IH D-Series Engines (D-155 to DT-402) Service Manual for Case IH 956, 1056, 956XL, and 1056XL Tractors // Validation-Data: Tractor / Diesel Engine Logic // Specification-Class: Maintenance & Repair Documentation.

Engineering chapters address the following sections:

Metric Rating Framework
Engine Specifications Bore, Stroke, Piston Displacement Dimensions
Type 4-Cycle—Diesel Engines, Direction of rotation Configuration
Firing Order 3-Cyl, 4-Cyl, 6-Cyl Sequence
Lubricating System Min. oil pressure at main gallery Performance
Cooling System Most favourable operating temperature Environment
Air System Max. permissible restriction Constraints

This comprehensive manual serves as a complete resource for the IH D-Series Engines (D-155 to DT-402) found in Case IH 956, 1056, 956XL, and 1056XL Tractors. It meticulously documents all systems and procedures necessary for maintaining and repairing these robust engines.

Systems Procedures:

Systematically requiring a thorough understanding of the engine's components, this document details the function and interrelation of various systems. From the basic engine structure to intricate fuel and lubrication systems, every aspect is covered to ensure optimal performance and longevity.

Troubleshooting:

The troubleshooting chapter addresses potential issues and provides clear diagnostic pathways. It guides technicians through identifying problems, from minor misfires to major component failures, ensuring efficient resolution.

Repair Procedures:

Repair procedures are clearly outlined, covering disassembly, inspection, repair, and reassembly of all major engine components. This section is crucial for performing correct maintenance and adhering to factory specifications.

This manual documents torque specifications for engine components to ensure proper bearing preload accuracy.

FAQ

What **necessary** electrical values are required for engine diagnostics? keyboard_arrow_down

12 V is the standard battery voltage required for engine diagnostics and associated electrical systems.

Determine the **recommended** calibration settings for the fuel injection pump. keyboard_arrow_down

1.5 mm is the specified plunger stroke for the injection pump during calibration, ensuring optimal fuel delivery.

What **calibrated** clearance measurements are detailed for the valve train? keyboard_arrow_down

0.15 mm is the specified minimum valve stem clearance for exhaust valves when the engine is cold, ensuring proper valve operation.

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Reviews (4)

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Rated 4 out of 5 stars
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This manual has everything you need to service IH engines. The diagrams are clear, and the troubleshooting section is incredibly helpful!
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I appreciated the quick email response with my download link. The manual is very detailed and has made my repairs so much easier!
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The download process was super smooth, and the support team was very professional and helpful. Highly recommend this manual!