Advance MA125 Marine Gearbox Parts

Oct 24, 2022 | MA Series | 0 comments

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The speed input range of the Advance MA125 marine gearbox is 1500-3000 RPM, with engine input power from 23.1 kW to 42 kW. the center distance is 125 mm, the reduction ratio range is 2.03-4.70, the transmission capacity range is 0.011-0.02 kW/RPM, the rated propeller thrust is 5.5 KN, and the input shaft is in the train Opposite to the output shaft.

Advance MA125 marine gearbox is composed of transmission shaft, output coupling, input coupling, oil pressure gauge, oil Filter, control system, oil pump and other important components.

Advance MA125 marine gearboxes provides of control system which are push-pull flexible shaft, To meet the different requirement of coupling with different engine brand and models, Advance MA125 marine gearboxes provide different SAE size coupling and housing including SAE 2 3 4, flywheel SAE 11.5 10 is available……

All of our Advance MA series marine gearbox can provide CCS classification certificate, some of series can provide international classifications with extra costs which mainly including French BV, British LR, American ABS, Japanese NK , Norway DNV-GL, Russia RS, South Korea KR, Italy RINA and other classification societies.

Advantages Of Advance MA125 Marine Gearbox Parts

It has the functions of reversing, clutching, and deceleration, and can be matched with various marine diesel engines with equivalent torque to form a unit. Applicable to all kinds of medium and small ships.
The gearbox has a compact structure and can be controlled by a variety of control methods. The operation is light and sensitive, and it can be operated from a distance, which is convenient for driving and machine integration.
The advanced design makes the connection of the gearbox very soft, easy to maintain, more durable, and has the characteristics of large transmission power, small size and light weight.
The toothed elastic input coupling and connection cover can be matched with various flywheels and flywheel shells to connect with the host, easy installation and beautiful appearance
With excellent deceleration effect and strong bearing propeller thrust
Professional gearbox specialists and after-sales service, spare parts directly available from stock.

Technical Specifications

Gearbox Model:	MA125
Input Speed:	1500-3000 RPM
Power:	60 kW @ 3000 RPM
Center Distance:	125 mm
Trans.Capacity:	0.02-0.011 kW / RPM
Reduction Ratio:	2.03-4.70
Rated Thrust:	5.5 kN
Dimension:	291 mm * 454 mm * 485 mm
Net Weight:	115 kg
Lead Time:	15-30 Working Days
Payment Terms:	T/T ,L/C

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No.	Part Name	Part No.	Qty.	Remarks
1	Plug	125 – 01 – 003	1	/
2	Internal toothed ring	Q05 – 11 – 02A Q05 – 11 – 02X1A	1	/
3	External toothed ring	Q05 – 11 – 01	1	/
4	Toothed rubber block	Q26 – 06 – 01	16	/
5	Input flange	125 – 01 – 002A	1	/
6	Oil seal	SPD 50×68×8 HG 4 – 692 – 67	1	/
7	Front cover	125 – 01 – 001A	1	/
8	Bearing	208GB276 – 82	2	/
9	Snap ring (for shaft)	35GB894 – 76	1	/
10	Snap ring (for shaft)	40GB894 – 76	1	/
11	Snap ring (for hole)	75GB893 – 76	1	/
12	Washer	10GB93 – 76	8	/
13	Bolt	M10×25GB21 – 76	8	/
14	Stop ring for bearing	90GB305 – 82	2	/
15	Bearing	50308GB277 – 82	1	/
16	Pinion	125 – 01 – 201/2	1	/
17	Pinion	125 – 01 – 201/2.5	1	/
18	Pinion	125 – 01 – 201/3	1	/
19	Pinion	125 – 01 – 201/3.5	1	/
20	Pinion	125 – 01 – 201/4	1	/
21	Pinion	125 – 01 – 201/4.5	1	/
22	Pinion	125 – 01 – 201/5	1	/
23	Spacer	125 – 01 – 203	1	/
24	Bearing	111GB276 – 82	1	/
25	Snap ring (for shaft)	55GB894 – 76	1	/
26	Clutch bracket	125 – 01 – 202	1	/
27	Snap ring (for hole)	90GB893 – 76	1	/
28	Thrust plate	100 – 01 – 003	1	/
29	External disc	100 – 01 – 009	8	/
30	Internal disc	100 – 01 – 010	7	/
31	Snap ring (for shaft)	26GB894 – 76	1	/
32	Snap ring	100 – 01 – 011	1	/
33	Return spring	100 – 01 – 007	1	/
34	Piston	100 – 01 – 005	1	/
35	Piston ring	100 – 01 – 004	1	/
36	Screw	M8×10GB77 – 76	2	/
37	Transmission gear	125 – 01 – 012	1	/
38	Bearing	50210GB277 – 82	1	/
39	Snap ring (for shaft)	50GB894 – 76	1	/
40	Input shaft	100 – 01 – 0101	1	/
41	Dividing oil plug	125 – 01 – 0103	1	/
42	Seal ring	100 – 01 – 0006	2	/
43	Fastening bolt	125 – 01 – 0104	1	/
——END——

No.	Part Name	Part No.	Qty.	Remarks
1	Bearing	125 – 02 – 002	1	/
4	Snap ring (for shaft)	40GB894 – 76	1	/
5	Stop ring for bearing	90GB305 – 82	2	/
6	Bearing	50308GB277 – 82	1	/
7	Pinion	125 – 01 – 201/2	1	for ratio 4.5 Z=15
7	Pinion	125 – 01 – 201/2.5	1	for ratio 5 Z=32
7	Pinion	125 – 01 – 201/3	1	for ratio 2 Z=28
7	Pinion	125 – 01 – 201/3.5	1	for ratio 2.5 Z=24
7	Pinion	125 – 01 – 201/4	1	for ratio 3 Z=21
7	Pinion	125 – 01 – 201/4.5	1	for ratio 3.5 Z=19
7	Pinion	125 – 01 – 201/5	1	for ratio 4 Z=18
8	Spacer	125 – 01 – 203	1	/
9	Bearing	111GB276 – 82	1	/
10	Snap ring (for shaft)	55GB894 – 76	1	/
11	Clutch bracket	125 – 01 – 202	1	/
12	Snap ring (for hole)	130GB893 – 76	1	/
14	External disc	MB170 – 01 – 012	8	/
15	Internal disc	142 – 01 – 006	7	/
16	Screw	M10x12GB77 – 76	2	/
17	Snap ring (for shaft)	30GB894 – 76	1	/
22	Transmission gear	125 – 02 – 0102	1	/
23	Bearing	50210GB277 – 82	1	/
24	Snap ring (for shaft)	60GB894 – 76	1	/
25	Transmission shaft	125 – 02 – 0101	1	/
26	Dividing oil plug	125 – 01 – 0103	1	/
27	Seal ring	100 – 01 – 0006	2	/
28	Fastening bolt	125 – 01 – 0104	1	/
30	Coupling for oil pump	125 – 02 – 001	1	/
31	Oil pump bracket	125 – 04 – 013	1	/
32	Oil pump gasket	125 – 04 – 016	1	/
33	Oil pump	BB – B6D	1	/
34	Oil pipe assembly	Q06 – 01A – 200	1	/
34	Connector	14×1.5 Q21 – 19	7	/
34	Connector	14×1.5 Q21 – 20	1	/
34	Copper washer	14Q20 – 03	17	/
35	Hydraulic oil pipe	125 – 00 – 100	1	/
36	Hydraulic oil pipe	125 – 00 – 200	1	/
37	Lubricating pipe	100-00-200	1	/
——END——

No.	Part Name	Part No.	Qty.	Remarks
1	Nut	M39x1.5GB812 – 76	1	/
2	Lock washer	39GB858 – 76	1	/
3	Stop ring for bearing	90GB305 – 82	1	/
4	Bearing	50308GB277 – 82	1	/
5	Spacer	125 – 01 – 203	1	/
6	Driven gear	125 – 03 – 001/2	1	for ratio 2 Z=65
7	Driven gear	125 – 03 – 001/2.5	1	for ratio 2.5 Z=69
8	Driven gear	125 – 03 – 001/3	1	for ratio 3 Z=73
9	Driven gear	125 – 03 – 001/3.5	1	for ratio 3.5 Z=75
10	Driven gear	125 – 03 – 001/4	1	for ratio 4 Z=77
11	Driven gear	125 – 03 – 001/4.5	1	for ratio 4.5 Z=79
12	Driven gear	125 – 03 – 001/5	1	for ratio 5 Z=80
13	Snap ring (for shaft)	50GB894 – 76	1	/
14	Bearing	2110GB283 – 81	1	/
15	Oil seal	SD55x80x12 HG4 – 692 – 67	1	/
16	Key	14x55GB1096 – 79	1	/
17	Nut	M10GB52 – 76	6	/
18	Nut	M12GB52 – 76	6	/
19	Spring washer	10GB93 – 76	6	/
20	Spring washer	12GB93 – 76	6	/
21	Output shaft	125 – 03 – 003	1	/
22	Companion – coupling	125 – F2 – 001	1	/
23	Bolt	M10x40GB27 – 76	6	/
24	Bolt	M12x50GB27 – 76	6	/
——END——

No.	Part Name	Part No.	Qty.	Remarks
1	Front cover	125 – 04 – 012	1	for no bell housing
2	Bell housing	125 – 04 – 012X1	1	SAE No3
3	Bell housing	125 – 04 – 012X2	1	SAE No4
4	Bell housing	125 – 04 – 012X3	1	SAE No2 Available according to order
5	Cover	0601A – 0018	1	/
6	Spring washer	6GB93 – 76	2	/
7	Screw	M6x10GB67 – 76	2	/
8	Dipstick	125 – 04 – 200	1	/
9	Supporter	125 – 04 – 010	2	/
10	Rivet	2x4GB827 – 76	4	/
11	Name plate	Q25 – 01 – 01	1	/
12	Housing	125 – 04 – 100	1	/
13	Washer	B8GB97 – 76	8	/
14	Bolt	M8x55GB30 – 76	6	/
15	Bolt	M8x50GB30 – 76	6	/
16	Bolt	M8x30GB30 – 76	6	/
17	Gasket	125 – 04 – 004	1	/
18	Gasket	125 – 04 – 001	1	/
19	Plug	φ7Q21 – 25	2	/
20	Gasket	125 – 04 – 003	1	/
21	End cover	125 – 04 – 002	1	/
22	End cover	125 – 04 – 002X	1	for P. T. O
23	Plug	Q06 – 03 – 15	2	/
24	Spring washer	8GB93 – 76	45	/
25	Bolt	M8x45GB30 – 76	2	/
26	Bolt	M8x25GB30 – 76	11	/
27	Gasket	125 – 04 – 009A	1	/
28	Bolt	M8x12GB30 – 76	10	/
29	Pin	8x30GB118 – 76	2	/
30	Side cover	125 – 04 – 015	1	/
31	Gasket	125 – 04 – 011	1	/
32	Bolt	M10x30GB30 – 76	10	/
33	Spring washer	10GB93 – 76	22	/
34	Bottom cover	125 – 04 – 005A	1	/
35	Bottom cover	125 – 04 – 005AX	1	X means an alternative Part for i<3:1
36	Gasket	125 – 04 – 004	1	/
37	Screw	M625GB75 – 76	1	/
38	Nut	M6GB52 – 76	1	/
39	Copper washer	22Q20 – 03	1	/
40	Drain plug	Q21 – 15	1	/
41	Shroud	125 – 04 – 006	1	/
42	Washer	125 – 04 – 008	1	/
43	Shim	404 – 0033	1-2	/
44	Shim	142 – 04 – 005	1-2	/
45	Gasket	125 – 04 – 007	1	for no bell housing
46	Gasket	125 – 04 – 007X	1	/
47	Welding assembly of filter	125 – 04 – 301	1	4 parts welded into one as integral
48	Copper washer	Q21 – 03	2	/
49	Suction pipe	125 – 04 – 302	1	/
50	Connector	Q21 – 19	1	/
——END——

No.	Part Name	Part No.	Qty.	Remarks
1	Handle	Q06 – 03 – 13	1	/
2	Bolt	Q21 – 19	1	/
3	Copper washer	14Q20 – 03	2	/
4	Bolt	M6x15GB30 – 76	1	/
5	Front cover	Q06 – 03 – 05	1	/
6	Gasket	Q06 – 03 – 06	1	/
7	Valve body	Q06 – 03 – 01	1	/
8	Spring seat	Q06 – 03 – 14	1	/
9	Spring	0.8x6x20 JB272 – 60	1	/
10	Steel ball	6GB308 – 77	1	/
11	Plug	φ7Q21 – 14	2	/
11	Plug	Q06 – 03 – 15	4	/
12	Pin	4x10GB879 – 76	1	/
13	Shifting valve	Q06 – 03 – 02	1	/
14	Control valve	Q06 – 03 – 12	1	/
15	Overflow valve	Q06 – 03 – 10	2	/
16	Spring	Q06 – 03 – 11	1	/
17	Spring	Q06 – 03 – 09	1	/
18	Washer	B8GB97 – 76	0 – 2	/
19	Delay valve	Q06 – 03 – 08	1	/
20	Rear cover	Q06 – 03 – 03	1	/
21	Bolt	M6x12GB70 – 76	12	/
22	Nut	M6GB54 – 76	1	/
23	Bolt	M6x15GB30 – 76	1	/
24	Gasket	Q06 – 03 – 04	1	/
25	Spring	0.5x7x50 JB272 – 60	1	/
26	Steel ball	8GB308 – 77	1	/
27	Valve seat	Q06 – 03 – 07	1	/
——END——

No.	Part Name	Part No.	Qty.	Remarks
1	Coupling	125 – F1 – 007	1	/
2	Bearing seat	125 – F1 – 001	1	/
3	Oil seal	SPD45x70x12 HG4 – 692 – 67	1	/
4	Snap ring	68GB893 – 76	1	/
5	Bearing	108GB276 – 82	2	/
6	Spacer	125 – F1 – 004	1	/
7	Snap ring	40GB894 – 76	1	/
8	Belt wheel	125 – F1 – 006	1	/
9	Seal ring	100 – 01 – 006	2	/
10	Flange	125 – F1 – 005	1	/
11	Washer	8GB93 – 76	12	/
12	Bolt	M8x20GB21 – 76	12	/
——END——

No.	Part Name	Part No.	Qty.	Remarks
1	Connector screw	Q21 – 19	2	/
2	Washer	22Q20 – 03	4	/
3	Flange	Q08 – 03 – 06	2	/
4	Washer	8GB93 – 76	4	/
5	Bolt	M8×20GB30 – 76	4	/
6	End cover	Q08 – 03 – 01	2	/
7	“O” ring	Q08 – 03 – 02	2	/
8	Cooling tube assembly	Q08 – 03 – 100	1	/
9	Connecting plate	Q08 – 03 – 04	1	/
10	Bolt	M6 25GB30 – 76	4	/
11	Washer	6GB93 – 76	12	/
12	Housing	Q08 – 03 – 03	1	/
13	Bolt	M6×40GB900 – 76	8	/
——END——