740A; BB740A Transmissions Lower Gear Unit EPC Volvo Penta Parts catalog

Lower Gear Unit

Parts on group Lower Gear Unit:

Pos.	Part No	Qty	Parts name	Comments
1.	854485	[1]	Lower gear	Also available as an exchange part.
2.	854051	[1]	Housing
3.	854053	[1]	Bearing housing
4.	852643	[2]	Attaching plate
5.	948338	[6]	Blind rivet
6.	852644	[1]	Non-return valve
7.	853531	[1]	Anode kit	Steering fin 854054 repl by plug 853531.
8.	959437	[1]	Hex. socket screw	Screw 941817 replaced by screw 959437.
9.	854611	[1]	Countershaft
10.	969071	[1]	Round nut
11.	184682	[1]	Inner ring
12.	854553	[1]	Splined sleeve
13.	852212	[1]	Nut
14.	941832	[1]	Shim	TH=0,05mm
14.	941833	[1]	Shim	TH=0.20mm
15.	183374	[1]	Ball bearing
16.	944970	[1]	Shim
17.	11072	[1]	Roller bearing
18.	944522	[1]	Shim	TH=0,05mm
18.	42981	[1]	Shim	TH=0,10mm
18.	968057	[1]	Shim	TH=0.20mm
18.	42980	[1]	Shim	TH=0.35mm
19.	897387	[1]	Clamping ring
20.	11044	[1]	Roller bearing
21.	184654	[1]	Needle roller bushin
22.	814482	[1]	Oil strainer
23.	852904	[1]	Magnetic plug
24.	955974	[1]	O-ring
25.	852181	[1]	Propeller shaft
26.	184765	[1]	Roller bearing
27.	854464	[1]	Gear set	Ratio 1,78:1
28.	967352	[1]	Shim	TH=0,05mm
28.	941823	[1]	Shim	TH=0,10mm
28.	967351	[1]	Shim	TH=0.15mm
28.	941824	[1]	Shim	TH=0.20mm
28.	941825	[1]	Shim	TH=0.40mm
29.	184691	[1]	Roller bearing
30.	191834	[1]	Shim	TH=0,10mm
30.	191835	[1]	Shim	TH=0.15mm
30.	191837	[1]	Shim	TH=0.25mm
31.	925258	[2]	O-ring
32.	941812	[2]	Hex. socket screw
33.	875821	[1]	Zinc ring kit
34.	966808	[2]	Screw
35.	183859	[1]	Needle roller bushin
36.	184683	[1]	Inner ring
37.	851407	[2]	Sealing ring
38.	853440	[1]	Line cutter	Front
39.	183272	[1]	Needle roller bearin
40.	853871	[1]	Sealing ring
41.	853869	[1]	Lock washer
42.	852196	[1]	Propeller nut
43.	853441	[1]	Line cutter	Rear
44.	854666	[1]	Propeller cone kit	(854243)
45.
46.	941670	[1]	Washer
47.	852216	[1]	Hexagon screw
48.	854294	[1]	Plastic washer	Rear
49.
50.	853584	[1]	Plastic washer	Front
50.				Repl by 854667
51.	854667	[1]	Spare parts kit	SN 3102092922-
52.	854294	[1]	Plastic washer	Rear
52.				Repl by 854667
53.
53A.	854669	[1]	Tool kit	See group 9
54.	925256	[1]	O-ring	Included in complete Duoprop drive unit.
55.	941810	[4]	Hex. socket screw	Included in complete Duoprop drive unit.
56.	853095	[4]	Washer	Included in complete Duoprop drive unit.
57.	876138	[1]	Anode kit	To be used in fresh-water.
58.	966808	[2]	Screw

Parts catalog :

Intermediate Housing: DPB-1

Intermediate Housing: DPB

Upper Gear Unit

Duoprop Drive Unit

Duoprop Drive Unit: 872012

Upper Gear Unit

Intermediate Housing

Lower Gear Unit