This document provides an exploded diagram and parts list for the engine suspension of a marine diesel engine. It includes over 320 individual part numbers, descriptions, quantities, and other identifying information for components of the engine block, cylinder head, valve train, crankshaft, pistons, bearings, and other internal engine parts. The parts list is organized into 18 sections covering the major engine assemblies and sub-assemblies.

1. Fig. G010-2 ENGINE SUSPENSION
MT25/26/31 S/N 710001-710654

2. Fig. G010-2 ENGINE SUSPENSION
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
10 MX508981 ENGINE 1
10 MX508981E ENGINE. EXCHANGE UNIT 1
10 MX508982 ENGINE 1
10 MX508982E ENGINE. EXCHANGE UNIT 1
MX509000 GASKET KIT,OVERHAUL 1
11 MX508939 HOSE 1 710439~
12 MX511402 TAPE 1 710439~
13 MX065012 CLAMP 1 710439~
14 MX061459 SCREW 1 710439~
15 MX063098 NUT 1 710439~
16 MX046833 BRACKET 1 710439~
17 MX052539 SCREW 1 710439~
18 MX065029 CLAMP,HOSE 1 710439~
19 MX509266 WASHER 1 710439~
20 MX055729 COCK,DISCHARGE 1
30 MX502428 BRACKET R.H 1
40 MX502429 BRACKET L.H 1
50 MX501845 SPACER 7
60 MX053471 SCREW,HEX 7
70 MX057150 BEARING,CONE 2
80 MX061497 SCREW 6 ~710011
MX160482 SCREW 6 710012~
90 MX063350 WASHER 6 ~710011
MX501845 SPACER 6 710012~
100 MX053264 NUT 6
110 MX053260 SCREW 2
120 MX057409 CUSHION,RUBBER 2
130 MX057410 WASHER 2
140 MX140062 SHIM 1
150 MX140063 SHIM 1
160 MX509270 WASHER 2
170 MX053265 NUT 2
180 MX501753 BRACKET R.H 1
190 MX501752 BRACKET L.H 1
200 MX501846 SPACER 8
210 MX053201 SCREW 8
1
MT25/26/31 S/N 710001-710654

3. Key No Part No Description Qty S.C Serial No ICA Replacable Qty
220 MX502323 BEARING 2
230 MX061497 SCREW 6 ~710011
MX160482 SCREW 6 710012~
240 MX063350 WASHER 6 ~710011
MX501845 SPACER 6 710012~
250 MX053264 NUT 6
260 MX508326 SCREW 2
270 MX057409 CUSHION,RUBBER 2
280 MX057410 WASHER 2
290 MX140062 SHIM 1
300 MX140063 SHIM 1
310 MX509270 WASHER 2
320 MX053265 NUT 2
2
MT25/26/31 S/N 710001-710654

4. Fig. G010-4 PIPES FOR CHARGE AIR
MT25/26/31 S/N 710001-710654

5. Fig. G010-4 PIPES FOR CHARGE AIR
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
330 MX503011 PIPE 1
340 MX503020 CLAMP 1
350 MX451745 RING,O 1
360 MX503019 CLAMP 1
370 MX351548 HOSE 1
380 MX065036 CLAMP,HOSE 2
390 MX503012 PIPE 1
400 MX451075 CLAMP 1
410 MX451074 RING,O 1
420 MX351548 HOSE 1
430 MX065036 CLAMP,HOSE 2
435 MX513358 BRACKET 1
440 MX503019 CLAMP 1
441 MX160084 NUT 2
442 MX160001 WASHER 2
445 MX509627 SCREW 2
450 MX509266 WASHER 2
455 MX053291 SCREW 2
460 MX509267 WASHER 2
465 MX053428 NUT 2
470 MX513508 SHIM 1
475 MX513509 SHIM 6
1
MT25/26/31 S/N 710001-710654

6. Fig. G010-6 CYLINDER HEAD
MT25/26/31 S/N 710001-710654

7. Fig. G010-6 CYLINDER HEAD
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 MX513184 CYLINDER HEAD ASS'Y 6
MX513185 CYLINDER HEAD 6
2 MX511272 GUIDE, INTAKE VALVE 6
3 MX511273 GUIDE,EXHAUST VALVE 6
4 MX503552 VALVE SEAT RING 6
MX503553 VALVE SEAT RING 6
5 MX151722 VALVE SEAT RING 6
MX351049 VALVE SEAT RING 6
6 MX506622 PLUG,CORE 6
7 MX506623 CORE PLUG 6
8 MX351801 SEAL 12
9 MX351725 NIPPLE 6
10 MX151726 VALVE 6
11 MX051612 WASHER 12
12 MX513919 SPRING,VALVE 6
MX514910 SPRING,VALVE 6
13 MX513918 SPRING,VALVE 6
MX514911 SPRING,VALVE 6
14 MX151729 COLLAR,VALVE SPRING 6
MX508227 COLLAR,VALVE SPRING 6
15 MX051418 COLLET 24
16 MX509854 CAP,VALVE STEM 12
17 MX151730 BRACKET 6
18 MX502263 ARM,ROCKER 12
19 MX151732 BUSHING 12
20 MX451333 ADJUSTING SCREW 12
21 MX051619 NUT,HEX 12
22 MX151733 RING,RETAINING 12
23 MX351878 PIN,SLOT 6
MX251370 PIN 6
24 MX503554 SCREW 6
25 MX151737 SCREW 36
26 MX501843 GASKET,CYLINDER HEAD 6
MX501844 GASKET 6
27 MX051640 PIN 12
MX504364 GASKET KIT 6
1
MT25/26/31 S/N 710001-710654

8. Key No Part No Description Qty S.C Serial No ICA Replacable Qty
MX503466 GASKET KIT 6
2
MT25/26/31 S/N 710001-710654

9. Fig. G010-8 ROCKER COVER
MT25/26/31 S/N 710001-710654

10. Fig. G010-8 ROCKER COVER
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 MX513186 COVER,VALVE 5 ~710438
1 MX513186 COVER,VALVE 4 710439~
2 MX503568 COVER,VALVE 1
4 MX508499 COVER,VALVE 1 710439~
5 MX051634 FILLER CAP 1
6 MX451742 GASKET,ROCK COVER 6
7 MX451743 SEAL RING 6
8 MX451744 NUT,CAP 6
MX504364 GASKET KIT 1
1
MT25/26/31 S/N 710001-710654

11. Fig. G010-10 CYLINDER BLOCK
MT25/26/31 S/N 710001-710654

12. Fig. G010-10 CYLINDER BLOCK
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 MX503570 CYLINDER BLOCK 1
2 - BEARING CAP 6 D
3 - BEARING CAP 1 D
4 MX151764 GUIDE 14
5 MX151765 SCREW 14
6 MX151766 GASKET 14
7 MX151767 BEARING 7
8 MX151768 CORE PLUG 5
9 MX351887 CYLINDER LINER 6
- CYLINDER LINER 6 D
10 MX351889 RING 6
11 MX151770 SEAL RING 6
12 MX151589 RING,O 12
13 MX351036 SHIM 6
MX351056 SHIM 6
MX351057 SHIM 6
MX351058 SHIM 6
MX351059 SHIM 6
MX351060 SHIM 6
14+15 MX502291 BEARING 7
MX506649 MAIN BEARING ASS'Y 7
MX506650 MAIN BEARING ASS'Y 7
MX506651 MAIN BEARING ASS'Y 7
MX506652 MAIN BEARING ASS'Y 7
MX506653 MAIN BEARING ASS'Y 7
16 MX351893 BEARING,THRUST 4
17 MX351901 NOZZLE 6
18 MX051920 SCREW 6
19 MX151787 PISTON 1
20 MX151788 SPRING 1
21 MX151789 PLUG 1
22 MX051809 GASKET 1
23 MX503576 COVER 1
MX504912 PLATE 1
24 MX351692 COVER 1 ~710438
MX503576 COVER 1
1
MT25/26/31 S/N 710001-710654

13. Key No Part No Description Qty S.C Serial No ICA Replacable Qty
25 MX151792 GASKET 2
26 MX351894 SCREW,FLANGE 26
27 MX351895 COVER 1
28 MX351526 RING,O 1
29 MX351896 SCREW,FLANGE 2
30 MX151880 PLUG 1
31 MX151879 GASKET 1
37 MX351813 PIPE 1 ~710438
38 MX151797 RING,O 1 ~710438
39 MX061485 SCREW,HEX 1 ~710438
40 MX504308 WASHER 1 ~710438
41 MX036242 COVER 1
42 MX351898 GASKET,BRACKET 1
43 MX351899 SCREW,FLANGE 3
47 MX451523 DRAIN 1
48 MX451713 BRACKET 1 ~710438
49 MX051899 SPACING TUBE 1 ~710438
50 MX451022 SCREW,FLANGE 1 ~710438
51 MX151995 CLAMP 1 ~710438
52 MX451619 SCREW,FLANGE 1 ~710438
MX351962 KIT,REPAIR 6
2
MT25/26/31 S/N 710001-710654

14. Fig. G010-12 TIMING GEAR HOUSING
MT25/26/31 S/N 710001-710654

15. Fig. G010-12 TIMING GEAR HOUSING
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 MX503571 HOUSING,TIMING GEAR 1
MX351903 THREAD INSERT 2
MX151984 THREAD INSERT 2
MX351904 THREAD INSERT 1
2 MX351905 GASKET 1
3 MX151802 STUD 2
4 MX351906 SCREW 5
5 MX505540 COVER,TIMING GEAR CASE 1
MX351903 THREAD INSERT 5
MX151984 THREAD INSERT 3
MX351908 THREAD INSERT 1
6 MX351909 PLUG 1
7 MX351910 GASKET 1
8 MX151802 STUD 2
9 MX351911 SCREW,FLANGE 7
10 MX351912 SCREW,FLANGE 2
11 MX351913 SCREW,FLANGE 2
12 MX351933 SCREW,FLANGE 3
13 MX351914 SCREW,FLANGE 2
14 MX505739 SCREW,FLANGE 3
15 MX351916 SCREW,FLANGE 1
16 MX351917 SEAL 1
17 MX351918 COVER 1
18 MX251706 O-RING 1
19 MX351919 EAR,LIFTING 1
21 MX504343 BRACKET 1
1
MT25/26/31 S/N 710001-710654

16. Fig. G010-14 FLYWHEEL HOUSING
MT25/26/31 S/N 710001-710654

17. Fig. G010-14 FLYWHEEL HOUSING
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 MX503572 FLYWHEEL HOUSING 1
MX251503 THREAD INSERT 8
2 MX451038 SHAFT SEAL 1
3 MX514913 GASKET 1
4 MX251574 PIN 2
5 MX060481 SCREW,HEX 12
6 MX060484 SCREW 4
7 MX251505 WASHER 16
8 MX251506 COVER 2
9 MX151806 SCREW 4
11 MX051750 SCREW 12
12 MX063101 NUT 12
MX451029 NUT 12
MX251062 WASHER 12
13 MX251062 WASHER 12
14 MX451527 LIFTING EYE 2
15 MX451803 PLUG 1
16 MX505912 SENSOR,ENGINE SPEED 1
17 MX451295 HOUSING,CONTACT 1
MX451296 LOCK WEDGE, 2-POL 1
MX451297 SOCKET 1
18 MX451298 TAPPING SCREW 1
1
MT25/26/31 S/N 710001-710654

18. Fig. G010-16 OIL SUMP
MT25/26/31 S/N 710001-710654

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20. Fig. G010-16 OIL SUMP
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 MX351921 SUMP,OIL 1
2 MX151821 THREAD INSERT 1
3 MX451790 GASKET 1
4 MX351432 SCREW,FLANGE 25
5 MX055729 COCK,DISCHARGE 1
6 MX513993 GASKET 1
MX151823 GASKET KIT 1
1
MT25/26/31 S/N 710001-710654

21. Fig. G010-18 CRANK MECHANISM
MT25/26/31 S/N 710001-710654

22. Fig. G010-18 CRANK MECHANISM
Key No Part No Description Qty S.C Serial No ICA Replacable Qty
1 - *PISTON 6 D
2 MX502271 ROD,PISTON 6
3 MX051432 SCREW 24
4 MX151831 BUSHING 6
5 MX151832 PIN 12
6 - BEARING CAP 6 D
7 MX507144 BEARING 12
MX507964 BEARING 12
MX507965 BEARING 12
MX507966 BEARING 12
MX507967 BEARING 12
MX151838 BEARING 12
MX151839 BEARING 12
8 MX351924 CRANKSHAFT 1
MX351925 CRANKSHAFT,EXCHANGE UNIT 1
9 MX513187 GUIDE PIN 3
MX513188 GUIDE PIN 3
10 MX151841 PLATE 1
11 MX151842 GEAR,CRANKSHAFT 1
12 MX513198 FLYWHEEL ASS'Y 1
13 MX513199 GEAR,RING 1
14 MX451313 SLEEVE 1
15 MX151494 BEARING 1
16 MX151845 RING 1
17 MX051791 WASHER 1
18 MX151847 SCREW 8
1
MT25/26/31 S/N 710001-710654