Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual

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Komatsu Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual page preview - page 1 of

Sample pages from the Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual

Komatsu Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual preview page 1 - thumbnail
Komatsu Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual preview page 2 - thumbnail
Komatsu Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual preview page 3 - thumbnail
Komatsu Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual preview page 4 - thumbnail
Komatsu Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 shop manual manual preview page 5 - thumbnail
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Document Details

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Document Number / Seller:
30450 / Elizabeth Gomez
File Size:
15.23 MB
File Type:
PDF
Language:
English
Printable:
Yes
Estimated Download Time:
0.31 Minutes
Delivery Format:
Digital (PDF) - Instant Access
Category:
Diesel Engine
Brand:
Komatsu
Reviewed and Approved:
Feb 27, 2025
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Models Covered & Key Technical Specifications

4D84-2/Komatsu Limited

  • 72-2 series engine
  • 75-2 series engine
  • 78-1 series engine
  • 84-2 series engine
  • 3D72-2 series engine
  • 3D75-2 series engine
  • 3D78-1 series engine
  • 3D84-2 series engine
  • 3D84N-2 series engine

Professional Workshop Service Manual & Technical Specifications

Table of Contents:

10 GENERAL

  • General Information
  • Specifications
  • Performance Curves
  • Weight Table
  • Engine Identification

20 BASIC ENGINE

  • Cylinder Head
  • Valve and Valve Spring
  • Cylinder Block
  • Oil Pan and Level Gauge
  • Crankshaft and Main Bearing
  • Pistons and Connecting Rod
  • Flywheel and Crankshaft Pulley
  • Camshaft and Valve Drive
  • Lubrication Oil Filter
  • Timing Gears and Timing Case

30 FUEL INJECTION EQUIPMENT

  • Fuel Injection Pump
  • Fuel Injector
  • Fuel Lines

40 LUBRICATING SYSTEM

  • Oil Pump
  • Oil Cooler
  • Safety Valve and Bypass Valve

50 COOLING SYSTEM

  • Water Pump
  • Thermostat
  • Cooling Fan
  • Radiator

60 AIR INDUCTION SYSTEM AND TURBOCHARGER

  • Air Cleaner
  • Intake Manifold
  • Exhaust Manifold
  • Turbocharger

70 ELECTRICAL SYSTEM

  • Alternator
  • Starter Motor
  • Electric Wiring
  • Electric Components

80 DISASSEMBLY AND REASSEMBLY

  • Engine Disassembly
  • Engine Reassembly
  • Tools and Equipment

90 TESTING AND ADJUSTING DATA

  • Engine Testing
  • Engine Adjusting
  • Troubleshooting
  • Service Standards
  • Service Data

The Komatsu 72-2, 75-2, 78-1, 84-2 series engine 3D72-2, 3D75-2, 3D78-1, 3D84-2, 3D84N-2, 4D84-2 service manual is an essential tool for mechanics, technicians, and owners as it provides detailed information on the engine's specifications, maintenance procedures, disassembly and reassembly instructions, troubleshooting tips, and more.

FAQ

Is this manual suitable for beginners? keyboard_arrow_down

Yes, this Komatsu manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Diesel Engine maintenance and repair.

What file format will I receive? keyboard_arrow_down

You will receive this manual as a PDF file (15.23 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.

How quickly can I access the manual after purchase? keyboard_arrow_down

You'll receive instant access to your Komatsu Diesel Engine manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.

Can I print specific sections of the manual? keyboard_arrow_down

Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.

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This shop manual is incredibly detailed and has been a lifesaver for my engine repairs. The download process was smooth, and I received my link almost instantly. Highly recommend!