The speed input range of the Advance MB270 marine gearbox is 1000-2500 RPM, with engine input power from 184.8 kW to 308.7 kW. the center distance is 270 mm, the reduction ratio range is 3.00-6.82, the transmission capacity range is 0.088-0.147 kW/RPM, the rated propeller thrust is 39.2 KN, and the input shaft is in the train Opposite to the output shaft.
Advance MB270 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 MB270 marine gearboxes provides three types of control system which are push-pull flexible shaft, electric control and pneumatic control for customers to choose. To meet the different requirement of coupling with different engine brand and models, Advance MB270 marine gearboxes provide different SAE size coupling and housing including SAE 0 1, flywheel SAE 18 16 14 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 MB270A 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: | MB270 |
| Input Speed: | 1000-2500 RPM |
| Power: | 184.8-308.7 kW @ 2100 RPM |
| Center Distance: | 270 mm |
| Trans.Capacity: | 0.088-0.147 kW / RPM |
| Reduction Ratio: | 3.00-6.39 |
| Rated Thrust: | 39.2 kN |
| Dimension: | 594 mm * 810 mm * 868 mm |
| Net Weight: | 675 kg |
| Lead Time: | 15-30 Working Days |
| Payment Terms: | T/T ,L/C |
Search by Part No. or Part Name
Click Kit Name to Check Part List
- Input Shaft Assembly
- Transmission Shaft Assembly
- Output Shaft Assembly
- Housing Assembly
- Oil Supply System Assembly
- Input Coupling Assembly
- Cooler Assembly
- Bell Housing Group
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Bolt | M10x95 GB21-76 | 6 | / |
| 2 | Washer | 10 GB854-76 | 6 | / |
| 3 | Regulating nut | MB270-01-017 | 1 | / |
| 4 | Gasket | MB270-01-018 | 1 | / |
| 5 | Sleeve | MB270-01-001 | 1 | i = 6.5~7 |
| 6 | Sleeve | MB270-01-001/1 | 1 | i = 6.5~7 |
| 7 | Stop ring | 160 GB305-64 | 1 | / |
| 8 | Bearing | 50315 GB277-64 | 1 | / |
| 9 | Right-hand gear | MB270-01-002 | 1 | / |
| 10 | Bearing | 42218 GB283-64 | 1 | / |
| 11 | Spacer | MB270-01-003 | 1 | / |
| 12 | Thrust ring | MB270-01-015 | 1 | / |
| 13 | Bearing | 42315 GB283-64 | 1 | / |
| 14 | Ring | MB270-01-019/1 | 2 | i = 6.5~7 |
| 15 | Pinion | MB270-01-004/4 | 1 | Mn = 5 Z = 21 |
| 16 | Pinion | MB270-01-004/4.5 | 1 | Mn = 5 Z = 19 |
| 17 | Pinion | MB270-01-004/5 | 1 | Mn = 5 Z = 17 |
| 18 | Pinion | MB270-01-004/5.5 | 1 | Mn = 5 Z = 16 |
| 19 | Pinion | MB270-01-004/6 | 1 | Mn = 4 Z = 19 |
| 20 | Pinion | MB270-01-004/6.5 | 1 | Mn = 4 Z = 18 |
| 21 | Pinion | MB270-01-004/7 | 1 | Mn = 4 Z = 17 |
| 22 | Bearing | 2315 GB283-64 | 1 | / |
| 23 | Clutch housing | MB270-01-013 | 1 | i = 6.5~7 |
| 24 | Clutch housing | MB270-01-013/1 | 1 | i = 6.5~7 |
| 25 | Washer | 8 GB859-76 | 4 | / |
| 26 | Screw | M8x25 GB70-76 | 4 | / |
| 27 | Thrust ring | MB270-01-014 | 1 | / |
| 28 | Input shaft | MB270-01-016 | 1 | i = 6.5~7 |
| 29 | Input shaft | MB270-01-016/1 | 1 | i = 6.5~7 |
| 30 | Key | 6×25 GB1096-72 | 1 | / |
| 31 | Plug | Q21-14 | 4 | / |
| 32 | Clutch carrier | MB270-01-005 | 1 | / |
| 33 | Thrust plate | MB270-01-012 | 1 | / |
| 34 | Ex. disc | 1201-0007 | 7 | / |
| 35 | In. disc | MB270-01-006 | 7 | / |
| 36 | Spring | MB270-01-011 | 10 | / |
| 37 | Piston | MB270-01-008 | 1 | / |
| 38 | Piston ring | 135-01-015A | 1 | / |
| 39 | Emergency screw | MB270-01-010 | 3 | / |
| 40 | Cylinder body | MB270-01-007A | 1 | / |
| 41 | Seal ring | MB170-01-020 | 3 | / |
| 42 | Bearing | 32308 GB283-64 | 1 | / |
| 43 | Washer | 39 GB858-76 | 1 | / |
| 44 | Nut | M39x1.5 GB812-76 | 1 | / |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Screw | M10x25 GB70-76 | 6 | / |
| 2 | Washer | 10 GB859-76 | 6 | / |
| 3 | Regulating nut | MB270-02-003 | 1 | / |
| 4 | Stop ring | 160 GB305-64 | 1 | / |
| 5 | Bearing | 50315 GB277-64 | 1 | / |
| 6 | Left-hand gear | MB270-02-001 | 1 | i = 6.5~7 |
| 7 | Left-hand gear | MB270-02-001/1 | 1 | i = 6.5~7 |
| 8 | Bearing | 42218 GB283-64 | 1 | / |
| 9 | Spacer | MB270-01-003 | 1 | / |
| 10 | Thrust ring | MB270-01-015 | 1 | / |
| 11 | Bearing | 42315 GB283-64 | 1 | / |
| 12 | Ring | MB270-01-019/1 | 2 | i = 6.5~7 |
| 13 | Pinion | MB270-01-004/4 | 1 | Mn = 5 Z = 21 |
| 14 | Pinion | MB270-01-004/4.5 | 1 | Mn = 5 Z = 19 |
| 15 | Pinion | MB270-01-004/5 | 1 | Mn = 5 Z = 17 |
| 16 | Pinion | MB270-01-004/5.5 | 1 | Mn = 5 Z = 16 |
| 17 | Pinion | MB270-01-004/6 | 1 | Mn = 4 Z = 19 |
| 18 | Pinion | MB270-01-004/6.5 | 1 | Mn = 4 Z = 18 |
| 19 | Pinion | MB270-01-004/7 | 1 | Mn = 4 Z = 17 |
| 20 | Bearing | 2315 GB282-64 | 1 | / |
| 21 | Clutch housing | MB270-01-013 | 1 | i = 6.5~7 |
| 22 | Clutch housing | MB270-01-013/1 | 1 | i = 6.5~7 |
| 23 | Washer | 8 GB859-76 | 4 | / |
| 24 | Screw | M8x25 GB70-76 | 4 | / |
| 25 | Thrust ring | MB270-01-014 | 1 | / |
| 26 | Transmission shaft | MB270-02-002 | 1 | i = 6.5~7 |
| 27 | Transmission shaft | MB270-02-002/1 | 1 | i = 6.5~7 |
| 28 | Key | 6×25 GB1096-72 | 1 | / |
| 29 | Plug | Q21-14 | 4 | / |
| 30 | Clutch carrier | MB270-01-005 | 1 | / |
| 31 | Thrust plate | MB270-01-012 | 1 | / |
| 32 | Ex. disc | 1201-0007 | 7 | / |
| 33 | In. disc | MB270-01-006 | 7 | / |
| 34 | Spring | MB270-01-011 | 10 | / |
| 35 | Piston | MB270-01-008 | 1 | / |
| 36 | Piston ring | 135-01-015A | 1 | / |
| 37 | Cylinder body | MB270-02-004 | 1 | / |
| 38 | Seal ring | MB170-01-020 | 3 | / |
| 39 | Bearing | 32308 GB283-64 | 1 | / |
| 40 | Washer | 39 GB858-76 | 1 | / |
| 41 | Nut | “M39x1.5Left GB812-76” | 1 | / |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Bolt | M30x70 GB21-76 | 1 | / |
| 2 | Washer | 30 GB856-76 | 1 | / |
| 3 | Fore plate | MB270-03-005 | 1 | / |
| 4 | Pin | 6×12 GB119-76 | 1 | / |
| 5 | Bearing | 42516 GB283-64 | 1 | / |
| 6 | Ring | MB270-03-004 | 1 | / |
| 7 | Driven gear | MB270-03-006/4 | 1 | Mn = 5 Z = 85 |
| 8 | Driven gear | MB270-03-006/4.5 | 1 | Mn = 5 Z = 86 |
| 9 | Driven gear | MB270-03-006/5 | 1 | Mn = 5 Z = 87 |
| 10 | Driven gear | MB270-03-006/5.5 | 1 | Mn = 5 Z = 88 |
| 11 | Driven gear | MB270-03-006/6 | 1 | Mn = 4 Z = 113 |
| 12 | Driven gear | MB270-03-006/6.5 | 1 | Mn = 4 Z = 115 |
| 13 | Driven gear | MB270-03-006/7 | 1 | Mn = 4 Z = 116 |
| 14 | Key | 28×110 GB1096-72 | 1 | / |
| 15 | Output shaft | MB270-03-003A | 1 | / |
| 16 | Bearing | 7320E GB297-64 | 2 | / |
| 17 | Shim | MB270-03-002 | 1 | / |
| 18 | Output coupling | MB270-03-001A | 1 | / |
| 19 | “O” ring | 103×5.3 GB1235-76 | 1 | / |
| 20 | Rear plate | MB270-03-009A | 1 | / |
| 21 | Locking washer | MB270-03-008 | 1 | / |
| 22 | Bolt | M18x45 GB21-76 | 3 | / |
| 23 | Nut | M20 GB51-76 | 8 | On request |
| 24 | Washer | 20 GB93-76 | 8 | On request |
| 25 | Coupling | MB270-Fz-01 | 1 | On request |
| 26 | Bolt | M20x85 GB27-76 | 8 | On request |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Oil seal | PG90x115x12 HG4-692-67 | 1 | / |
| 2 | End cover, input shaft | MB270-04-006 | 1 | / |
| 3 | Gasket | MB270-04-007 | 2 | / |
| 4 | Rivet | 2×6 GB827-76 | 6 | / |
| 5 | Direction post of rotation | 7501-012 | 1 | / |
| 6 | Front cover | MB270-04-202 | 1 | / |
| 7 | Gasket | MB270-04-008 | 1 | / |
| 8 | Dipstick ass’y | MB270-04-100 | 1 | / |
| 9 | Dipstick sleeve | MB270-04-001 | 1 | / |
| 10 | Bolt | M8x30 GB21-76 | 18 | / |
| 11 | Gasket, top cover | MB270-04-010 | 1 | / |
| 12 | Top cover | MB270-04-009 | 1 | / |
| 13 | Breather cap | Q29-06 | 1 | / |
| 14 | Baffle ring | Q29-05 | 1 | / |
| 15 | Retaining ring | Q29-04 | 1 | / |
| 16 | Screw | M20 GB825-76 | 2 | / |
| 17 | Screw | MB270-04-026 | 1 | / |
| 18 | Lub. Valve stem | 300-06A-003 | 1 | / |
| 19 | Compr. spring | 1.2x10x35 GB2089-80 | 1 | / |
| 20 | Bolt | M8x25 GB21-76 | 8 | / |
| 21 | Washer | 8 GB93-76 | 34 | / |
| 22 | Cover | MB270-04-303A | 1 | / |
| 23 | Gasket | MB270-04-302A | 1 | / |
| 24 | Filter | WU-63×180-J | 1 | / |
| 25 | Filter case | MB270-04-301A | 1 | / |
| 26 | Screw | M6x10 GB68-76 | 2 | / |
| 27 | Gasket | MB270-04-005 | 1 | / |
| 28 | Sealing bush | MB270-04-011A | 2 | / |
| 29 | Plug | Q21-14 | 6 | / |
| 30 | Rear cover, input shaft | MB270-04-004A | 1 | / |
| 31 | Gasket | MB270-04-028 | 1 | / |
| 32 | End cover | MB270-04-027 | 1 | / |
| 33 | Washer | 10 GB93-76 | 66 | / |
| 34 | Bolt | M10x30 GB21-76 | 49 | / |
| 35 | Copper washer | 12 Q20-03 | 1 | / |
| 36 | Bolt | M12x16 Q21-76 | 1 | / |
| 37 | Pin | 10×40 GB118-76 | 2 | / |
| 38 | Front cover drive shaft | MB270-04-019 | 1 | Under with-out housing only |
| 39 | Bolt | M10x40 GB21-76 | 13 | / |
| 40 | Name plate | Q25-01-01 | 1 | / |
| 41 | Threaded Plug | MB270-04-014 | 2 | / |
| 42 | Copper washer | 27 Q20-03 | 2 | / |
| 43 | Set screw | MB270-04-021 | 1 | / |
| 44 | Bearing set screw | 300-04-018 | 1 | / |
| 45 | Plug | Q21-13 | 2 | / |
| 46 | Hold down bracket | MB270-04-029 | 1 | / |
| 47 | Clamp | MB270-04-030 | 1 | / |
| 48 | Screw | M10x25 GB70-76 | 2 | / |
| 49 | Washer | 8 GB95-85 | 2 | / |
| 50 | Screw | M8x55 GB70-76 | 2 | / |
| 51 | Gasket | MB270-04-013 | 1 | / |
| 52 | Rear cover, output shaft | MB270-04-012 | 1 | / |
| 53 | Oil cup | M10x1 GB1152-74 | 1 | / |
| 54 | Washer | 12 GB93-76 | 8 | / |
| 55 | Bolt | M12x35 GB21-76 | 8 | / |
| 56 | Oil seal | PG130x160x15 HG4-692-67 | 1 | / |
| 57 | Oil seal | W130x160x15 HG4-692-67 | 1 | / |
| 58 | Pin | 4jc4x20 GB119-76 | 1 | / |
| 59 | Nozzle pipe ass’y | MB270-04-400 | 1 | / |
| 60 | Front End cover, output shaft | MB270-04-016 | 1 | / |
| 61 | Gasket | MB210-04-017 | 1 | / |
| 62 | Gear casing | MB270-04-201A | 1 | / |
| 63 | Sump | MB270-04-015A | 1 | / |
| 64 | Screw | M8x25 GB70-76 | 4 | / |
| 65 | Gasket | MB270-04-003 | 1 | / |
| 66 | Rear cover, drive shaft | MB270-04-002 | 1 | / |
| 67 | Washer | 10 GB859-76 | 3 | / |
| 68 | Screw | M10x55 GB70-76 | 3 | / |
| 69 | Gasket | MB270-04-024 | 1 | / |
| 70 | Gasket, conn. plate | MB270-04-023 | 1 | / |
| 71 | Connecting plate | MB270-04-022A | 1 | / |
| 72 | Gasket | 300-07-003A | 1 | / |
| 73 | Bolt | M16x35 GB21-76 | 12 | / |
| 74 | Washer | 16 GB93-76 | 12 | / |
| 75 | Bracket | MB270-04-018 | 2 | / |
| 76 | Baffle plate | 300-04-011 | 1 | / |
| 77 | Bolt | M8x16 GB21-76 | 4 | / |
| 78 | Copper washer | 22 Q20-03 | 1 | / |
| 79 | Threaded plug | M22x1.5 Q21-15 | 1 | / |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Cooler outlet ass’y | MB270-05-300A | 1 | / |
| 2 | Bolt | M22x1.5×40 Q21-18 | 6 | / |
| 3 | Copper washer | 22 Q20-03 | 12 | / |
| 4 | Cooler Inlet ass’y | MB270-05-200A | 1 | / |
| 5 | Oil pipe ass’y, forward | MB270-05-100 | 1 | / |
| 6 | Bolt | M14x1.5×30 Q21-19 | 2 | / |
| 7 | Copper washer | 14 Q20-03 | 4 | / |
| 8 | Pump suction ass’y | MB270-05-400A | 1 | / |
| 9 | Adapter | 300-07-006A | 4 | / |
| 10 | Oil pump | BB-B25A-1 | 1 | / |
| 11 | Pump outlet ass’y | MB270-05-500A | 1 | / |
| 12 | Pipe adapter | 300-07-001 | 1 | / |
| 13 | Suction pipe ass’y | MB270-05-600A | 1 | / |
| 14 | Copper washer | 27 Q20-03 | 4 | / |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Internal toothed ring | Q05-15-02 | 1 | For SAEJ620d14# Flywheel |
| 2 | Internal toothed ring | Q05-15-02×1 | 1 | For SAEJ620d16# Flywheel |
| 3 | Internal toothed ring | Q05-15-02×2 | 1 | For SAEJ620d18# Flywheel |
| 4 | Toothed rubber block | Q26-06-03 | 24 | / |
| 5 | Spider | Q05-15-01 | 1 | / |
| 6 | Washer | 14 GB93-76 | 10 | / |
| 7 | Bolt | M14x35 GB30-76 | 10 | / |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Plug | Q08-02-05 | 1 | / |
| 2 | Cover | Q08-02-03A | 2 | / |
| 3 | “O” ring | Q08-02-02 | 2 | / |
| 4 | Cooler core group | Q08-02-100A | 1 | 135 model |
| 5 | Case | Q08-02-01 | 1 | 135 model |
| 6 | Cover | Q08-02-06 | 2 | / |
| 7 | Bolt | M6×25 GB30-76 | 8 | / |
| 8 | Washer | 6 GB93-76 | 12 | / |
| 9 | Cooler connecting Plate | Q08-02-04A | 2 | / |
| 10 | Bolt | M6×20 GB30-76 | 4 | / |
| 11 | Washer | 8 GB93-76 | 4 | / |
| 12 | Bolt | M8×40 GB21-76 | 4 | / |
| ——END—— | ||||
No. | Part Name | Part No. | Qty. | Remarks |
| 1 | Bolt | M10×60 GB21-76 | 12 | / |
| 2 | Washer | 10 GB93-76 | 12 | / |
| 3 | Bell housing | MB270-F₁-01 | 1 | SAEJ617c No.0 for |
| 4 | Bell housing | MB270-F₁-02 | 1 | SAEJ617c No.1 for |
| 5 | Cover | 1601-0018 | 1 | / |
| 6 | Bolt | M6×10 GB67-76 | 2 | / |
| ——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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