The speed input range of the Advance MB170 marine gearbox is 1500-2500 RPM, with engine input power from 56.7 kW to 81.9 kW. the center distance is 170 mm, the reduction ratio range is 1.97-5.88, the transmission capacity range is 0.027-0.039 kW/RPM, the rated propeller thrust is 16 KN, and the input shaft is in the train Opposite to the output shaft.
Advance MB170 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 MB170 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 MB170 marine gearboxes provide different SAE size coupling and housing including SAE 1 2 3, flywheel SAE 14 11.5 10 is available……
All of our Advance MB 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 MB170 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: | MB170 |
| Input Speed: | 1500-2500 RPM |
| Power: | 56.7-81.9 kW @ 2100 RPM |
| Center Distance: | 170 mm |
| Trans.Capacity: | 0.027-0.039 kW / RPM |
| Reduction Ratio: | 1.97-5.47 |
| Rated Thrust: | 16 kN |
| Dimension: | 510 mm * 670 mm * 656 mm |
| Net Weight: | 240 kg |
| Lead Time: | 15-30 Working Days |
| Payment Terms: | T/T ,L/C |
Click Kit Name to Check Part List
- Input Shaft Assembly
- Transmission Shaft Assembly
- Output Shaft Assembly
- Housing Assembly
- Oil Pipe Assembly
- Toothed Input Coupling Assembly
- General Cooler Assembly
- Filter Assembly
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Bolt | M8×85 GB32 – 76 | 4 | / |
| 2 | Copper washer | MB170 – 01 – 001 | 2 | / |
| 3 | Adjusting nut | MB170 – 01 – 002 | 1 | / |
| 4 | Gasket | MB170 – 01 – 003 | 1 | / |
| 5 | Input sleeve | MB170 – 01 – 004 | 1 | / |
| 6 | Lock ring | 120 GB305 – 64 | 1 | / |
| 7 | Bearing | 50311 GB277 – 64 | 1 | / |
| 8 | Input trans. gear | MB170 – 01 – 005 | 1 | / |
| 9 | Bearing | 42213 GB283 – 64 | 1 | / |
| 10 | Bearing spacer | MB170 – 01 – 007 | 1 | / |
| 11 | Front thrust race | MB170 – 01 – 006 | 1 | / |
| 12 | Bearing | 42409 GB283 – 64 | 1 | / |
| 13 | Pinion | MB170-01-008/2 | 1 | Mn=3 Z=37 |
| 14 | Pinion | MB170-01-008/2.5 | 1 | Mn=3 Z=31 |
| 15 | Pinion | MB170-01-008/3 | 1 | Mn=3 Z=27 |
| 16 | Pinion | MB170-01-008/3.5 | 1 | Mn=3 Z=24 |
| 17 | Pinion | MB170-01-008/4 | 1 | Mn=3 Z=22 |
| 18 | Pinion | MB170-01-008/4.5 | 1 | Mn=3 Z=20 |
| 19 | Pinion | MB170-01-008/5 | 1 | Mn=3 Z=18 |
| 20 | Pinion | MB170-01-008/5.5 | 1 | Mn=3 Z=17 |
| 21 | Pinion | MB170-01-008/6 | 1 | Mn=3 Z=16 |
| 22 | Snap ring | MB170 – 01 – 009 | 1(For i = 5.5;6 ) | / |
| 23 | Bearing | 2311 GB283 – 64 | 1 | / |
| 24 | Clutch housing | MB170 – 01 – 014 | 1 | / |
| 25 | Screw | M6×20 GB70 – 76 | 4 | / |
| 26 | Input shaft | MB170 – 01 – 101 | 1 | / |
| 27 | Key | 5×22 GB1096 – 79 | 1 | / |
| 28 | Rear thrust race | MB170 – 01 – 010 | 1 | / |
| 29 | Clutch carrier | MB170 – 01 – 102 | 1 | / |
| 30 | Plug | Q21 – 14 | 3 | / |
| 31 | Thrust plate | MB170 – 01 – 011 | 1 | / |
| 32 | Outer frictional plate | MB170 – 01 – 012 | 4 | / |
| 33 | Inner frictional plate | MB170 – 01 – 013 | 4 | / |
| 34 | Return spring | MB170 – 01 – 017 | 6 | / |
| 35 | Piston | MB170 – 01 – 015 | 1 | / |
| 36 | Piston ring | MB170 – 01 – 016 | 1 | / |
| 37 | Emergency screw | MB170 – 01 – 018 | 3 | / |
| 38 | Cylinder body | MB170 – 01 – 019 | 1 | / |
| 39 | Oil sealing | MB170 – 01 – 020 | 2 | / |
| 40 | Bearing | 2306 GB283 – 64 | 1 | / |
| 41 | Washer | 30 GB858 – 76 | 1 | / |
| 42 | Nut | M30×1.5 GB812 – 76 | 1 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Bolt | M8×30 GB21 – 76 | 4 | / |
| 2 | Washer | 8 GB93 – 76 | 4 | / |
| 3 | Adjusting nut | MB170 – 02 – 001 | 1 | / |
| 4 | Lock ring | 120 GB305 – 64 | 1 | / |
| 5 | Bearing | 50311 GB277 – 64 | 1 | / |
| 6 | Trans gear | MB170 – 02 – 002 | 1 | / |
| 7 | Bearing | 42213 GB283 – 64 | 1 | / |
| 8 | Bearing spacer | MB170 – 01 – 007 | 1 | / |
| 9 | Bearing | 42409 GB283 – 64 | 1 | / |
| 10 | Pinion | MB170-01-008/2 | 1 | Mn=3 Z=37 |
| 11 | Pinion | MB170-01-008/2.5 | 1 | Mn=3 Z=31 |
| 12 | Pinion | MB170-01-008/3 | 1 | Mn=3 Z=27 |
| 13 | Pinion | MB170-01-008/3.5 | 1 | Mn=3 Z=24 |
| 14 | Pinion | MB170-01-008/4 | 1 | Mn=3 Z=22 |
| 15 | Pinion | MB170-01-008/4.5 | 1 | Mn=3 Z=20 |
| 16 | Pinion | MB170-01-008/5 | 1 | Mn=3 Z=18 |
| 17 | Pinion | MB170-01-008/5.5 | 1 | Mn=3 Z=17 |
| 18 | Pinion | MB170-01-008/6 | 1 | Mn=3 Z=16 |
| 19 | Snap ring | MB170 – 01 – 009 | 1(For i = 5.5;6 ) | / |
| 20 | Bearing | 2311 GB283 – 64 | 1 | / |
| 21 | Clutch housing | MB170 – 01 – 014 | 1 | / |
| 22 | Rear thrust race | MB170 – 01 – 010 | 1 | / |
| 23 | Screw | M6×20 GB70 – 76 | 4 | / |
| 24 | Trans shaft | MB170 – 02 – 101 | 1 | / |
| 25 | Key | 5×22 GB1096 – 79 | 1 | / |
| 26 | Clutch carrier | MB170 – 01 – 102 | 1 | / |
| 27 | Plug | Q21 – 14 | 3 | / |
| 28 | Thrust plate | MB170 – 01 – 011 | 1 | / |
| 29 | Outer frictional plate | MB170 – 01 – 012 | 4 | / |
| 30 | Inner frictional plate | MB170 – 01 – 013 | 4 | / |
| 31 | Return spring | MB170 – 01 – 017 | 6 | / |
| 32 | Piston | MB170 – 01 – 015 | 1 | / |
| 33 | Piston ring | MB170 – 01 – 016 | 1 | / |
| 34 | Cylinder body | MB170 – 01 – 003 | 1 | / |
| 35 | Oil sealing | MB170 – 01 – 020 | 2 | / |
| 36 | Bearing | 2306 GB283 – 64 | 1 | / |
| 37 | Washer | 30 GB858 – 76 | 1 | / |
| 38 | Nut | M30×1.5 GB812 – 76 | 1 | / |
| 39 | Front thrust race | MB170 – 01 – 006 | 1 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Nut | M42×1.5 GB812 – 76 | 1 | / |
| 2 | Washer | 42 GB858 – 76 | 1 | / |
| 3 | Bearing | 42309 GB283 – 64 | 1 | / |
| 4 | Thrust plate | MB170 – 03 – 001 | 1 | / |
| 5 | Driven gear | MB170-03-002/2 (For 2:1) | 1 | Mn=3 Z=73 |
| 6 | Driven gear | MB170-03-002/2.5 (For2.5:1) | 1 | Mn=3 Z=78 |
| 7 | Driven gear | MB170-03-002/3 (For 3:1) | 1 | Mn=3 Z=82 |
| 8 | Driven gear | MB170-03-002/3.5 (For 3.5:1) | 1 | Mn=3 Z=85 |
| 9 | Driven gear | MB170-03-002/4 (For 4:1) | 1 | Mn=3 Z=87 |
| 10 | Driven gear | MB170-03-002/4.5 (For 4.5:1) | 1 | Mn=3 Z=90 |
| 11 | Driven gear | MB170-03-002/5 (For 5:1) | 1 | Mn=3 Z=91 |
| 12 | Driven gear | MB170-03-002/5.5 (For 5.5:1) | 1 | Mn=3 Z=93 |
| 13 | Driven gear | MB170-03-002/6 (For 6:1) | 1 | Mn=3 Z=94 |
| 14 | Bearing | 27313 GB298 – 64 | 2 | / |
| 15 | Key | 18×80 GB1096 – 79 | 2 | / |
| 16 | Output shaft | MB170 – 03 – 003 | 1 | / |
| 17 | Adjusting washer | MB170 – 03 – 004 | 1 | / |
| 18 | Output coupling | MB170 – 03 – 005 | 1 | / |
| 19 | Washer | 56 GB858 – 76 | 1 | / |
| 20 | Nut | M56×2 GB812 – 76 | 1 | / |
| 21 | Nut | M16 GB51 – 76 | 6 | / |
| 22 | Washer | 16 GB93 – 76 | 6 | / |
| 23 | Bolt | M16×60 GB27 – 76 | 6 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Oil sealing | PG65x95x12 HG4 – 692 – 67 | 2 | / |
| 2 | Front end cover | MB170 – 04 – 007 | 1 | / |
| 3 | Gasket | MB170 – 04 – 008 | 1 | / |
| 4 | Rotation arrow | 7501 – 012 | 1 | / |
| 5 | Rivet | 2×6 GB827 – 76 | 6 | / |
| 6 | Front cover | MB170 – 04 – 201 | 1 | / |
| 7 | Gasket | MB170 – 04 – 016 | 1 | / |
| 8 | Dipstick sleeve | MB170 – 04 – 001 | 1 | / |
| 9 | Dipstick group | MB170 – 04 – 100 | 1 | / |
| 10 | Name plate | Q25 – 01 – 01 | 1 | / |
| 11 | Screw | M12 GB825 – 76 | 2 | / |
| 12 | Screw | M8x16 GB70 – 76 | 12 | / |
| 13 | Top cover | MB170 – 04 – 009 | 1 | / |
| 14 | Screw | M8x16 GB75 – 76 | 1 | / |
| 15 | Breather | Q29 – 06 | 1 | / |
| 16 | Breather oil ring | Q29 – 05 | 1 | / |
| 17 | Snap ring | Q29 – 04 | 1 | / |
| 18 | Gasket | MB170 – 04 – 010 | 1 | / |
| 19 | Pin | 12gax25 GB120 – 76 | 1 | / |
| 20 | Spring | 1x10x40 GB2089 – 80 | 1 | / |
| 21 | Housing | MB170 – 04 – 202 | 1 | / |
| 22 | Nozzle group | MB170 – 04 – 400 | 1 | / |
| 23 | Gasket | MB170 – 04 – 005A | 1 | / |
| 24 | Screw | M6x10 GB68 – 76 | 2 | / |
| 25 | Sealing bush | MB170 – 04 – 011 | 2 | / |
| 26 | Rear end cover | MB170 – 04 – 004 | 1 | / |
| 27 | Plug | Q21 – 14 | 7 | / |
| 28 | Washer | 8 GB93 – 76 | 59 | / |
| 29 | Bolt | M8x25 GB21 – 76 | 40 | / |
| 30 | Plug | Z1/8″ Q20 – 02 | 3 | / |
| 31 | Screw | M8x65 GB70 – 76 | 3 | / |
| 32 | Gasket | MB170 – 04 – 003 | 1 | / |
| 33 | Plug | Q21 – 38 | 1 | / |
| 34 | Rear end cover | MB170 – 04 – 002A | 1 | / |
| 35 | Oil sealing | W65x95x12 HG4 – 692 – 67 | 1 | / |
| 36 | Oil cup | M8x1 GB1152 – 74 | 1 | / |
| 37 | Rear end cover | MB170 – 04 – 012 | 1 | / |
| 38 | Pin | 4jc4x20 GB119 – 76 | 1 | / |
| 39 | Washer | 10 GB93 – 76 | 6 | / |
| 40 | Bolt | M10x30 GB21 – 76 | 6 | / |
| 41 | Gasket | MB170 – 04 – 022 | 1 | / |
| 42 | Plug | M22x1.5 Q21 – 15 | 1 | / |
| 43 | Copper washer | 22 Q20 – 03 | 1 | / |
| 44 | Bolt | M8x20 GB21 – 76 | 16 | / |
| 45 | Filter flange | MB170 – 04 – 301 | 1 | / |
| 46 | Gasket | MB170 – 04 – 013 | 1 | / |
| 47 | Filter group | MB170 – 04 – 300 | 1 | / |
| 48 | Plug | MB170 – 04 – 020 | 1 | / |
| 49 | Bottom case | MB170 – 04 – 014 | 1 | / |
| 50 | Shroud | MB170 – 04 – 015 | 1 | / |
| 51 | Bolt | M12x35 GB21 – 76 | 12 | / |
| 52 | Washer | 12 GB93 – 76 | 12 | / |
| 53 | Supporter | GB170 – 04 – 006 | 2 | / |
| 54 | Locking screw | MB170 – 04 – 021 | 1 | / |
| 55 | Front end cover | MB170 – 04 – 019 | 1 | / |
| 56 | Gasket | MB170 – 04 – 018 | 1 | / |
| 57 | Front end cover | MB170 – 04 – 017 | 1 | / |
| 58 | Bolt | M8x65 GB21 – 76 | 13(3 at most with bell housing | / |
| 59 | Pin | 8×45 GB118 – 76 | 2 | / |
| 60 | Plug | Q21 – 13 | 2 | / |
| 61 | Gasket | MB170 – 04 – 023 | 1 | / |
| 62 | Gasket | MB170 – 04 – 024 | 1 | / |
| 63 | Pin | 129ax25 QB120 – 76 | 5 | / |
| 64 | “O” ring | Q26 – 1 | 1 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Pump inlet pipe group | MB170 – 05 – 500A | 1 | / |
| 2 | Pump outlet pipe group | MB170 – 05 – 400A | 1 | / |
| 3 | Cooler outlet pipe group | MB170 – 05 – 300 | 1 | / |
| 4 | Cooler inlet pipe group | MB170 – 05 – 200A | 1 | / |
| 5 | Ahead inlet pipe group | MB170 – 05 – 100 | 1 | / |
| 6 | Bolt | Q21 – 19 | 2 | / |
| 7 | Copper washer | Q20 – 03 | 4 | / |
| 8 | Bolt | Q21 – 18 | 8 | / |
| 9 | Copper washer | Q20 – 03 | 16 | / |
| 10 | Oil pump | B – B16A | 1 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Internal toothed ring | / | 1 | Various specifications to suit different flywheels |
| 2 | Toothed rubber block | Q26 – 06 – 02 | 16 | / |
| 3 | Spider | Q05 – 12 – 01 | 1 | / |
| 4 | Washer | GB93 – 76 | 8 | / |
| 5 | Bolt | GB30 – 76 | 8 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Plug | Q08 – 02 – 05 | 1 | / |
| 2 | Cooler cover | Q08 – 02 – 03A | 2 | / |
| 3 | “O” ring | Q08 – 02 – 02 | 2 | / |
| 4 | Cooler core group | Q08 – 02 – 100A | 1 | / |
| 5 | Cooler casing | Q08 – 02 – 01 | 1 | / |
| 6 | Dust – proof cover | Q08 – 02 – 06 | 2 | / |
| 7 | Bolt | M6x25 GB30 – 76 | 8 | / |
| 8 | Washer | 6 GB93 – 76 | 12 | / |
| 9 | Cooler connecting plate | Q08 – 02 – 04A | 2 | / |
| 10 | Bolt | M6x20 GB30 – 76 | 4 | / |
| 11 | Washer | 8 GB93 – 76 | 4 | / |
| 12 | Bolt | M8x30 GB21 – 76 | 4 | / |
| ——END—— | ||||

No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Nut | M14×1.5 GB923 – 76 | 1 | / |
| 2 | Copper Washer | 14Q20 – 03 | 1 | / |
| 3 | Filter cover | Q09 – 01A – 01A | 1 | / |
| 4 | “O” ring | 95×5.7 GB1235 – 76 | 1 | / |
| 5 | Spring | Q09 – 01A – 02 | 1 | / |
| 6 | Filter core | ⅢF39A – 12 – 200 | 1 | / |
| 7 | Filter core shaft | Q09 – 01A – 03 | 1 | / |
| 8 | Pin | φ2.5×16 GB119 – 76 | 1 | / |
| 9 | Steel ball | φ10 GB308 – 77 | 1 | / |
| 10 | Spring | 0.8×9×35.8 JB272 – 60 | 1 | / |
| 11 | Copper washer | 20 Q20 – 03 | 1 (Adjusting plate) | / |
| ——END—— | ||||

Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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