marine gearbox

Model MB170 has mine ratios from 2:1 to 6:1, selected according to the technical parameters of engine and boat and capacity char

Model No :MB170

1. Transmission mode:      Five helical gears with three shafts

2. Clutch:                Hydraulic control, wet-type multi-plate clutch

3. Input coupling           Toothed rubber flexible coupling

4. Engine speed:            1000~2500rpm

5. Ratios and the corresponding transmission capacitoes:

Nominal ratios	Actual ratios	Transmission capacities(kW/rpm)
2:1	1.973:1	0.039
2.5:1	2.516:1	0.039
3:1	3.037:1	0.039
3.5:1	3.542:1	0.039
4:1	3.955:1	0.039
4.5:1	4.5:1	0.031
5:1	5.056:1	0.031
5.5:1	5.471:1	0.027
6:1	5.875:1	0.027

6. Rated propeller thrust:               16000N

7. Mechanical efficiency:               96%

8. Time required for reversal:            ≤10

9. Center distance:                    170mm                      

10.Direction of input shaft rotation:           

(facing the output end)              anti-clockwis

11.Direction of output shaft

Rotation when ahead:               Contrary to that of input shaft

12.Working oil pressure:           1.1~1.3Mpa adjustable as per transmission capacity

13.Oil grade:                          SD/CC30 or SAE30 or SAE40

                                     For summer in the torrid zone

14.Oil capacity:                        about 12L

15.Max. Oil temp:                      80°C

16.Cooling water cinsumption:            ≥1.5m3/h

17.permissible angle of inclination:         10°longitudinally

18.Overhaul:                           Over 10000h

19.Outside dimensions:                   510×670×656mm

20.Net weight:                          240kg

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marine gearbox