Ratios and the corresponding transmission capacities
Nomina ratios		Actual ratios		Transmission capacities(kw/rpm)
2.0:1		2.03:1		0.1
2.5:1		2.59:1
3.0:1		3.04:1
3.5:1		3.62:1
4.0:1		4.11:1
4.5:1		4.65:1		0.093
5.0:1		5.06:1		0.088
5.5:1		5.47:1		0.077
6.0:1		5.81:1		0.07
Rated Propeller thrust		Mechanical efficiency		Time required for reversal		Center distance
30000N		96%		≤10s		225mm
oil capacity		Max. oil temp		cooling water consumption		permissible angle of inclination
about 16 L		≤80℃		≥2m3/h		100 longitudinally      150 transversely
Overhaul		Net weight		outside dimensions
over 10000h		450kg		580*795*830(mm)
1. Marine gearbox Model MB170 has the capacities of ahead and astern, clutching and disclutching, reducing speed and carrying the propeller thrust.    2.The said gearbox possesses reliable construction,smooth clutching, easy maintenance, Beautiful shape.                                                                                3.Work stably, Low noise, and durable application, particularly, big transmission power, small bulk and light weight.                                                       4.All products are approved by ABS, BV,CCS,DNV, GL, LR, NK,ect, Certificated of quality system ISO9001:2000.