MEENYON - Customized Marine Gearboxes Manufacturer & Supplier for 40 Years

Light Duty High Speed Marine Engine Gearbox Model D451

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Pleasure crafts, traffic boats, passenger ships, public service vessels and other medium-sized high-speed ships.

Standard equipment

● Mechanical control valve

● Oil cooler

● Companion flange / Reamer bolts

● Bell housing (Selection)

● Flexible flywheel coupling (selection)

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Features

● Durable structure of driving gear bearing

● Tapered roller thrust bearing for output shaft thrust

● Hydraulic clutches of forward and reverse

● Suitable for twin engines with the same reduction ratio as forward and reverse.

● Quality Control System ISO/IATF16949:2016

● Quiet operation with precise gearing.

● Compact design

● Go Home function (emergency bolt application)

OPTIONS

● Electric remote control

● PTO device

Specification

Item	Description	Model D450
01	Engine speed: 1000-2100 rpm; max 756 hp at 2100 rpm.
02	Reduction Ratio :1	4.00	4.48	4.75	5.05	5.52	6.00
03	Rate (hp/rpm)	0.360	0.331	0.331	0.331	0.294	0.279
04	Bell housing: SAE #0, #1				Flywheel: SAE 14”, 16”, 18”
05	Overall L×W×H: 661×984×1040mm				Dry weight: 800 kg
06	Centre distance: 355 mm
07	Recommend engine:
08	Rated propeller thrust: 82 kN

Dimension

Model D450
C	355 mm
S
F
L
R

faq

What Is A Marine Gearbox Used For?

A marine gearbox has the functions of speed reduction, forward and reverse, engaging and disengaging as well as bearing propeller thrust. It is used to transfer power from engine to propeller and to form a ship’s marine power unit.

What Are The Main Components Of A Marine Gearbox?

The main components of a marine gearbox include the input shaft, intermediate shaft, output shaft, gears, bearings, clutches and housing.