This document provides comprehensive technical information for Komatsu engines, specifically the 12V140-1 series, including models SA12V140-1, SAA12V140-1, and SDA12V140E-1. These V12 diesel engines are integral to a range of heavy-duty applications, powering equipment such as bulldozers (D475A-2, D475A-3), wheel loaders (WA800-2, WA800-3, WA900-1, WA900-3), and dump trucks (HD785-3, HD785-5, HD985-3). They are also utilized in various generator sets and other industrial machinery. The engineering behind these engines emphasizes robust performance and reliability for demanding operational environments.
This factory workshop and service manual, presented in English, offers detailed guidance for maintaining and repairing the specified Komatsu engines. It encompasses essential technical data, component functions, specifications, and tolerances, along with step-by-step instructions for fault finding, repair, and overhaul. The manual's 463 pages are designed to facilitate accurate and efficient service, ensuring the longevity and optimal performance of the equipment. It serves as an indispensable resource for owners, mechanics, and technicians working with these powerful diesel engines.
Komatsu 12V140-1 series diesel engine shop manual. This is a factory workshop manual. 463 pages. covering following engine models and machines.
Engine models covered
SA12V140-1
SAA12V140-1
SDA12V140E-1
This factory service manual has easy-to-read text sections with top quality diagrams, pictures and
illustrations. The step by step instructions show you how to fault find or complete any repair
or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications
and tolerances are listed. Functions of components are also explained.
Machines using these engines.
D475A-2 Bulldozer
WA800-2, WA800-3, WA900-1, WA900-3 Wheel loader
HD785-3, HD785-5, HD985-3 Dump truck
INGERSOLL RAND Crawler drill
EPSA12V140
EG750B-1L
Generator Generator (50Hz)
Generator
DCA800SPK DENYO Generator
DCA-800SSK MQ Generator
J12V140E-G1-1 Generator (4 Pole)
J12V140E-G1-1 Generator (6 pole)
SDA12V140E-1 D475A-3 Bulldozer
Generator Generator (50Hz)
SAA12V140-P920 Generator (50Hz)
SAA12V140-P920 Generator (60Hz)
SAA12V140-P1030 Generator (50Hz)
SAA12V140-P1150 Generator (50Hz)
SAA12V140-1
APPLICABLE MACHINE
GENERAL APPLICABLE MACHINE
fl Serial No. shows for engine serial No.
01-001-1
!4
Generator
(IMS in South Africa
Komatsu 12V140-1 series diesel engine shop manual. This is a factory workshop manual. 463 pages. covering following engine models and machines.
Engine models covered
SA12V140-1
SAA12V140-1
SDA12V140E-1
This factory service manual has easy-to-read text sections with top quality diagrams, pictures and
illustrations. The step by step instructions show you how to fault find or complete any repair
or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications
and tolerances are listed. Functions of components are also explained.
Machines using these engines.
D475A-2 Bulldozer
WA800-2, WA800-3, WA900-1, WA900-3 Wheel loader
HD785-3, HD785-5, HD985-3 Dump truck
INGERSOLL RAND Crawler drill
EPSA12V140
EG750B-1L
Generator Generator (50Hz)
Generator
DCA800SPK DENYO Generator
DCA-800SSK MQ Generator
J12V140E-G1-1 Generator (4 Pole)
J12V140E-G1-1 Generator (6 pole)
SDA12V140E-1 D475A-3 Bulldozer
Generator Generator (50Hz)
SAA12V140-P920 Generator (50Hz)
SAA12V140-P920 Generator (60Hz)
SAA12V140-P1030 Generator (50Hz)
SAA12V140-P1150 Generator (50Hz)
SAA12V140-1
APPLICABLE MACHINE
GENERAL APPLICABLE MACHINE
fl Serial No. shows for engine serial No.
01-001-1
!4
Generator
(IMS in South Africa
