FD142

Marine gearbox Model FD142 perform the duty of reduction, ahead and astern, engaging and disengaging, and carrying the propeller thrust.They are tight and reliable in construction.Ratio of i=2~5.5 .As they have the same ratios for ahead or stem and both can work under capacity load, the gearbox can be coupled with the engine either of middle and high speed to form the left-right power unit. J142 is the FD142 enhancement product, the external dimensions is invariable.

Model rpm Nominal Ratio Actual Ratio kw/rpm(ps.rpm) Housings mm KN kg
FD16A 1500-2500 2.0 1.97 0.030 (0.041) SAE 23 142 8.5 140
2.5 2.52 0.030 (0.041)
3.0 3.03 0.030 (0.041)
3.5 3.54 0.026 (0.035)
4.0 3.95 0.023 (0.031)
4.5 4.50 0.019 (0.026)
5.0 5.06 0.016 (0.022)
5.5 5.47 0.013 (0.018)

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