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1. 00-1
SEBM022209
© 2003
All Rights Reserved
Printed in Japan 11-03 (01)
(9)
DIESEL ENGINE

2. 00-2 140-3 SERIES
4
CONTENTS
No. of page
01 GENERAL............................................................................................................................ 01-1
11 STRUCTURE AND FUNCTION,
MAINTENANCE STANDARD............................................ 11-1
12 TESTING AND ADJUSTING........................................................................ 12-1
13 DISASSEMBLY AND ASSEMBLY ...................................................... 13-1
15 REPAIR AND REPLACEMENT
OF PARTS.................................................................................................. 15-1

3.  








 







 


      
       
      

      

 

        

      
      

        
      
     
       
     
 

         

        

       





 
       
       

 
        


         

 
      


        


         



4.  


        
    

    
       


        










      







      
       
 

      
      



         


       




       




       







    

  







      
       


5.  































6.  



















 

 














 








       
 







  











 

 

















   











7. 140-3 SERIES 01-1
4
OUTLINE .....................................................................................................................................................01- 2
SPECIFICATIONS.......................................................................................................................................01- 6
OVERALL DRAWING..................................................................................................................................01- 20
WEIGHT TABLE ..........................................................................................................................................01- 28
ENGINE PERFORMANCE CURVE ............................................................................................................01- 50
01 GENERAL

8. 01-2 140-3 SERIES
GENERAL OUTLINE
(9)
OUTLINE
1. Applicable machine
Engine Engine Serial No. Applicable machine
SA6D140E-3
110001 – 112349 D155AX-5 Bulldozer
112350 and up D155AX-5 Bulldozer
PC600-6 Hydraulic excavator
WA500-3 Wheel loader
DCA400SSK Generator
SAA6D140E-3
HD325-6 Dump truck
HM350-1 Articulated dump truck
HM350-1 (–40°C spec.) Articulated dump truck
HM400-1 Articulated dump truck
PC750-6, PC750LC-6, PC750-7 Hydraulic excavator
PC800-6, PC800-7 Hydraulic excavator
PC1800-6 (USA) Hydraulic excavator
SDA6D140E-3
D275A-5 Bulldozer
D275AX-5 Bulldozer

9.  
 
 
 





 


 








 



              




 




 







 







10.  
 
 


 



 

 



 

               


                

 


               




11.  
 


      



 
 

12. 140-3 SERIES 01-21
GENERAL OVERALL DRAWING
SA6D140E-3 FRONT DRAWING The diagram shows the equipment for the
WA500-3.
The shape may differ according to the machine
model.
a. Crankshaft center
b. Cylinder liner center

13. 01-22 140-3 SERIES
GENERAL OVERALL DRAWING
5
SAA6D140E-3 LEFT SIDE DRAWING The diagram shows the equipment for the
HM350-1 and HM400-1.
The shape may differ according to the machine
model.
a. Crankshaft center
b. Flywheel housing rear surface

14. 140-3 SERIES 01-23
GENERAL OVERALL DRAWING
5
SAA6D140E-3 FRONT DRAWING The diagram shows the equipment for the
HM350-1 and HM400-1.
The shape may differ according to the machine
model.
a. Crankshaft center
b. Cylinder liner center

15. 01-24 140-3 SERIES
GENERAL OVERALL DRAWING
SDA6D140E-3 LEFT SIDE DRAWING The diagram shows the equipment for the
D275AX-5.
The shape may differ according to the machine
model.
a. Crankshaft center
b. Flywheel housing rear surface

16. 140-3 SERIES 01-25
GENERAL OVERALL DRAWING
SDA6D140E-3 FRONT DRAWING The diagram shows the equipment for the
D275AX-5.
The shape may differ according to the machine
model.
a. Crankshaft center
b. Cylinder liner center

17. 01-26 140-3 SERIES
GENERAL OVERALL DRAWING
(9)
DIMENSION TABLE These dimensions are reference values for use
when installing to a test bench.
Engine Machine model
Dimensions for each part (mm)
A B C D E F G
SA6D140E-3
PC600-6 1,630 1,262 430 227 143 910 1,115
WA500-3 1,621 1,670 370 — — 812 943
D155AX-5
(110001 – 112349)
1,499 1,738 419 14 459 868 1,040
D155AX-5
(112350 and up)
1,446 1,799 419 14 459 868 1,040
DCA400SSK 1,632 1,634 406 — — — —
SAA6D140E-3
PC750-6, PC750LC-6
PC750-7
PC800-6, PC800-7
1,575 1,902 594 196 196 1,000 1,185
PC1800-6 (USA) 1,624 1,625 594 196 196 1,000 1,185
HD325-6 1,686 1,585 542 — — — 1,156
HM350-1, HM400-1 1,642 1,469 542 146.5 146.5 815 945
Engine Machine model
Dimensions for each part (mm)
A B C D E F G
SDA6D140E-3
D275A-5, D275AX-5 1,461 2,020 542 15 422 794 966

18. 01-28 140-3 SERIES
GENERAL WEIGHT TABLE
(9)
WEIGHT TABLE
Unit : kg
No. Item Main item SA6D140E-3 SAA6D140E-3
1 Turbocharger Komatsu KTR110L 23 23
2 Cylinder head assembly
Cylinder head, valve, valve
spring
22.5 x 6 22.5 x 6
3 Cylinder block assembly
Cylinder block, bearing cap,
cylinder liner
480 480
4 Front cover 43 43
5 Oil pan
D155AX-5
WA500-3 30
PC750-6,PC750-7
PC800-6,PC800-7
PC1800-6
36
DCA400SSK
(DENYO
generator)
62
HD325-6
HM350-1
HM400-1
28
6 Flywheel assembly Flywheel ring gear
D155AX-5
WA500-3 60
PC750-6,PC750-7
PC800-6,PC800-7
PC1800-6
60
DCA400SSK
(DENYO
generator)
114
HD325-6
HM350-1
HM400-1
47
7 Flywheel housing assembly
D155AX-5 60 PC750-6,PC750-7
PC800-6,PC800-7
PC1800-6
59WA500-3
55
DCA400SSK
(DENYO
generator)
64
HD325-6
HM350-1
HM400-1
59
8 Crankshaft assembly Crankshaft, crankshaft gear 136 136
9 Camshaft assembly Camshaft, cam gear thrust plate 19 19
10
Piston, connecting
rod assembly
Piston, piston ring, piston pin,
connecting rod
10.7 x 6 10.7 x 6
11 Oil pump 6.5 6.5
12 Fuel supply pump 13 13
13 Water pump 17 17
14 Alternator
24V 35A 9.5 9.5
24V 50A 11 11
24V 75A 12.5 19
24V 90A —
PC800-6 (USA)
PC800-7 (USA)
PC1800-6 (USA)
19
15 Starting motor
24V 7.5kW 15.5 15.5
24V 11kW 18 18
16 Air compressor 11 11
17 Aftercooler assembly 45
PC750-6,PC750-7
PC800-6,PC800-7
PC1800-6
37
HD325-6
HM350-1
HM400-1
35

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20. 140-3 SERIES 01-29
GENERAL WEIGHT TABLE
Unit : kg
SDA6D140E-3
23
22.5 x 6
480
43
D275A-5
D275AX-5
28
D275A-5
D275AX-5
60
D275A-5
D275AX-5
59
136
19
10.7 x 6
6.5
13
17
—
—
12.5
—
—
18
—
45

21. 01-50 140-3 SERIES
GENERAL ENGINE PERFORMANCE CURVE
(9)
ENGINE PERFORMANCE CURVE
Engine Engine Serial No. Machine model Page
SA6D140E-3
PC600-6 01-51
110001 – 112349 D155AX-5 01-52
112350 and up D155AX-5 01-52-1
WA500-3 01-53
SAA6D140E-3
HD325-6 01-70
PC750, PC750LC-6, PC750-7
PC800-6, PC800-7
PC1800-6
01-71
HM350-1 01-72
HM400-1 01-73
SAD6D140E-3
D275A-5, D275AX-5 01-90