Komatsu SA6D140E-3 Diesel Engine Service Manual

Comprehensive service and repair data for Komatsu SA6D140E-3 diesel engines, including troubleshooting, diagrams, and specifications. Part numbers included.

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Document Details

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Document Number / Seller:
30783 / Carol Gomez
File Size:
35.79 MB
File Type:
PDF
Language:
English
Pages:
361
Printable:
Yes
Category:
Diesel Engine
Last updated / verified
Feb 15, 2025

Models Covered & Key Technical Specifications

Komatsu SA6D140E-3 Diesel Engine (SEBM022209) - 2003 Diesel Engine Service Manual | Komatsu Engine Collection.

  • Engine Specifications: 252 kW at 1,900 rpm represents the maximum power output capability.
  • Low Idling Speed: 740 rpm defines the minimum stable engine operation speed.
  • Minimum Fuel Consumption Ratio: 205 g/kW·h indicates the fuel efficiency under load.
  • Dry Weight: 1,645 kg is the standard weight for the engine assembly.
  • Lubricating Oil Amount: 42 liters is the recommended capacity for optimal lubrication.
  • Cooling Water Capacity: 26 liters is specified for effective engine cooling.

Manual Description & Preview

Komatsu SA6D140E-3 Diesel Engine Service Manual: Komatsu Diesel Engine D155AX-5, PC600-6, WA500-3, DCA400SSK, HD325-6, HM350-1, HM400-1, PC750, 750LC-6, PC750-7, PC800-6, PC800-7, PC1800-6, D275A-5, D275AX-5 - Comprehensive Service & Repair Manual System-Standards

Unit-Designations: SA6D140E-3 • Performance-Values: 1,635 Nm/1,250 rpm • Unit-Designations: Diesel Engine.

TOP Performance-Element Baseline Context
Rated Horsepower 252 kW 1,900 rpm
Max. Torque 1,635 Nm 1,250 rpm
High Idling Speed 2,100 rpm ± 50 rpm
Low Idling Speed 740 rpm Basic operation
Min. Fuel Consumption Ratio 205 g/kW·h Efficiency metric
Dry Weight 1,645 kg Operational mass

Maintenance hierarchies are structured into:

  • Engine specifications and general overview.
  • Lubrication system details and diagrams.
  • Fuel system components and operation.
  • Cooling system service procedures.
  • Electrical component identification and testing.
  • Turbocharger system maintenance.

Strategically requiring accurate maintenance, this manual details essential engine systems, including fuel delivery, lubrication, and cooling. It provides a structured approach to engine upkeep, ensuring optimal performance and longevity.

This manual documents torque specifications for critical engine components to ensure proper structural integrity prevention.

FAQ

Calculate the **precise** pressure specifications for the fuel injection system? keyboard_arrow_down

The common rail fuel pressure sensor detects the fuel pressure, with a specified range of 4.6 – 5.4 V between CN2 (2) and CN10 for normal operation.

What values are needed for **proper** assembly sequence of the crankshaft? keyboard_arrow_down

Main bearing torque specifications require 1st step: 117.7 Nm {12 kgm}, 2nd step: 235 Nm {24 kgm} (retighten with 90º), and a 0.044 – 0.106 mm standard clearance.

Assess the **standard** service interval parameters for the engine oil? keyboard_arrow_down

90 – 110 ºC is the standard oil temperature range within the oil pan for optimal engine performance and longevity.

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