John Deere 6076 Diesel Engine CTM6 Technical Manual

This technical manual covers all 6076, 7.6 L diesel engines, serial no. (—499999). It contains repair and diagnostic procedures for these components. PN CTM6

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John Deere Models Covered & Key Technical Specifications

Models: John Deere 6076 Diesel Engine (CTM6) - 1990
Sub-models / Variants: 6076T, 6076A, 6076H
Trade Names: 6076 Engines, John Deere Power, Detroit Diesel Corporation (DDC) Model G063E600
Build Years: 1990
Serial Numbers: Up to and including 499999
Technical Data:

  • Engine Configuration: 6-cylinder, vertical stroke, in-line, valve-in-head diesel
  • Displacement: 7.64 L (466 cu. in.)
  • Bore: 116 mm (4.56 in.)
  • Stroke: 121 mm (4.75 in.)
  • Compression Ratio: 16.0:1
  • Cylinder Firing Order: 1-5-3-6-2-4
  • Lubrication Pump Capacity: 109.8 L/min (29 GPM)
  • Cylinder Head Bolt Torque (Flanged): 100 Nm (75 lb-ft) to 125 Nm (95 lb-ft) plus 90–100 degree rotation
  • Cylinder Head Bolt Torque (Grade 180 or 12.9): 224 Nm (165 lb-ft) to 245 Nm (180 lb-ft)
  • Valve Seat Angle: 30 degrees +/- 0.25
  • Rocker Arm Shaft OD: 19.01–19.05 mm (0.7484–0.7500 in.)
Technical Specifications
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Document Number / Seller:
28567 / Dorothy Collins
File Size:
13.22 MB
File Type:
PDF
Language:
English
Pages:
437
Printable:
Yes
Category:
Diesel Engine
Last updated / verified
Dec 23, 2025

John Deere Manual Features & Content Preview

Technical Scope and Coverage for the 1990 John Deere 6076 Diesel Engine

  • Built for owners and professional technicians servicing the 1990 John Deere 6076 diesel engine, including the 6076T, 6076A, and 6076H variants
  • Official John Deere Component Technical Manual, CTM6, released in October 1991
  • Includes 124 exploded-view diagrams, 8 detailed torque-specification tables, and 19 procedural service groups
  • 437 pages of in-depth diagnostic, repair, and component-assembly data
  • Re-download the file any time, no expiration
  • OCR text layer lets you jump to a torque spec by keyword
  • This 1991 revision provides the definitive factory-authorized repair procedures for the 6076 series engines (serial numbers 499999 and below), superseding earlier manuals

Engine System Documentation

The 1990 John Deere 6076 diesel engine technical manual contains detailed information regarding the repair and diagnostic analysis of the 6-cylinder valve-in-head diesel engine family. The documentation covers essential procedures for cylinder block, cylinder head, valve train, crankshaft, piston, and rod assembly. It further explains the maintenance requirements for the lubrication and cooling systems, including specific recommendations for fluids and lubricants used in the 6076T, 6076A, and 6076H configurations.

Specification and Diagnostic Data

Detailed specifications within the manual provide the necessary tolerances for engine overhaul and repair. Cylinder head bolt torque values are documented in a multi-stage sequence, with flanged-head variants requiring a final-stage turn of 90–100 degrees. Exhaust valve guide-to-valve stem clearance is listed at 0.051–0.102 mm in the cylinder head specification table. Valve seat runout for all 6076 variants is documented at 0.051 mm. This official factory workshop documentation serves as the primary technical reference for the 1990 John Deere 6076 series, providing the necessary data for internal component rebuilds and maintenance cycles for industrial, marine, and agricultural applications.

Manual FAQ, Purchase & Download Details

Can I find detailed exploded views and component breakdown diagrams for the engine groups in this technical manual? keyboard_arrow_down

Component technical manual contains summary listings for each group that include references to specifications, wear tolerances, and applicable service parts. It covers the various components through organized group sections to assist with identification of parts and assemblies.

Which sections provide access to specification tables covering tightening values or clearance references? keyboard_arrow_down

Manual features group-specific summary listings at the beginning of each section that provide relevant specification tables, torque values, and wear tolerances.

What information does this manual provide regarding the model designation system and engine serial number plates? keyboard_arrow_down

Manual includes a dedicated section on engine model designation that breaks down the codes for cylinders, displacement, and aspiration. It also contains guidance on interpreting the 13-digit engine serial number plates found on the 6076 engine line.

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