Specifications

Qualified marine gearbox with competitive price and best service.

Marine gearbox J300

Model J300 is designed on users request,its key components have reinforced based upon model 300.

 

It’s working principle,dis-mantling and re-assembling,maintance and repair,etc,are the same with that of model 300,except those as follows:

 

Technical Specification:

 

1.Reduction ratio and corresponding transmission capacity:

Normal ratio	Practical ratio	Trans.capacity kW/(rpm) (HP/rpm)
2:1	2.04:1	0.280(0.380)
2.5:1	2.54:1	0.280(0.380)
3:1	3:1	0.280(0.380)
3.5:1	3.47:1	0.280(0.380)
4:1	3.95:1	0.257(0.350)

 

2.Rotation of input shaft direction(facing the output end):

ZJ300:anti-clockwise

YJ300:clockwise

 

3.Rated propeller thrust:60,000N

 

4.Cooling water consumption:≥3t/h

 

Special parts,refer to service manual.