Advance HCT3800 Marine Gearbox

The input speed range of the Advance HCT3800 marine gearbox is 500–1200 RPM, with engine input power of 900–3390 kW. The reduction ratio range is 5.08–12.01 and transmission capacity range is 1.800–2.825 kW/RPM. The gearbox is designed to withstand rated propeller thrust of 450 kN.
Advance HCT3800 marine gearbox consists of transmission shaft, input flange, output flange, oil pressure gauge, oil filter, lube oil pump, control system and other important components. It can provide electric control and pneumatic control systems and supports multiple flywheel sizes to match various marine diesel engines.
All Advance gearboxes are approved by CCS; BV, LR, ABS, DNV&GL, RS and other international classification certificates are available at extra cost.
As an official marine power pack packager of Advance, SeaMac provides complete propulsion system and power system for all kinds of ships all around the world. Mainly including marine engine, gearbox, shaft, propeller, marine genset, electric control lever system and other marine accessories. We also provide full life cycle services for all our customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.

Advantages Of Advance HCT3800 Marine Gearbox

The Advance HCT3800 gearbox features novel structure to guarantee reliable operation. Superior design enables more flexible and smooth layout arrangement between the gearbox and engine.
Compact structure, optimized overall dimension and reasonable weight design, facilitating onboard installation. The design fully takes convenience of operation and maintenance into consideration.The gearbox adopts modular combined design.
All rotating components are elaborately designed and machined in strict accordance with high standards to reduce fuel consumption and ensure stable operation, which can match most mainstream marine engine models.
1-stage reduction design with parallel input & output shafts and opposite rotation direction. It is equipped with reverse clutch reduction function and built-in thrust bearing to withstand propeller axial thrust.
We have professional gearbox engineering team and complete after-sales service, with common spare parts available from stock.

Technical Specifications

Gearbox Model:	HCT3800
Input Speed:	500-1200 r / min
Power:	900-3390 kw
Center Distance:	720 mm
Trans.Capacity:	2.825-1.800 kw/r/min
Reduction Ratio:	5.08-12.01
Rated Thrust:	450 kN
Dimension:	1681 × 1750 × 2100 mm
Net Weight:	10500 kg
Lead Time:	15-30 Working Days
Payment Terms:	T/T ,L/C

Coming soon

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Model	Input Speed	Trans. Capacity	Power	Dimension	Controls
HCD3800	500-1200 RPM	2.825-2.375 kW/RPM	1187.5-3390 kw	665 × 1810 × 1800 mm	Push-pull flexible shaft/electronic control/ pneumatic control
HCT3800	500-1200 RPM	2.825-1.800 kW/RPM	900-3390 kw	1681 × 1750 × 2100 mm	Push-pull flexible shaft/electronic control/ pneumatic control
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Technical Specifications of Advance HCT3800 Marine Gearbox
Model	HCT3800	Input Speed(r/min)	500-1200	Center Distance(mm)	720
Reduction Ratio(i)	5.08 5.55 5.98 6.58 6.98 7.55 8.03 8.56 8.98 9.57 9.86 10.51 11.06 11.67 12.01	Trans.Capacity(kW/rpm)	2.825 2.690 2.525 2.451 2.301 2.186 2.000 1.800	Power(kW)	900-3390
Rated Thrust(kN)	450	Dimension(mm)	1681 × 1750 × 2100	Net Weight(kg)	10500
Flywheel	Depending on Engine Flywheel Size	Bell Housing	Without	Controls	Push-pull flexible shaft/electronic control/pneumatic control
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The Marine gearbox has the function of reverse, clutch, deceleration and the thrust of the propeller, which is equipped with the main engine to form the Marine power unit.
The “transfer capacity” refers to the ratio of the engine’s rated power to the rated speed, and the reduction ratio corresponds to the transmission capacity, which should be less than the number be offered.
The gearbox and engine shafting are not allowed to use rigid connection, and the bracket is recommended to be installed on the same rigid support.If the engine is mounted on the elastic support, and the gearbox is installed on the rigid support, please contact the technical department of the company to select the suitable high elastic coupling.
The weight of the gearbox is approximation, for different reduction ratio the weight is different.
Due to the technical improvement of the products, the products may change without notice. For any other questions please contact our sales engineer.

ANGLE OF TILT
Name	Transverse Direction		Longitudinal Direction
	Heeling	Rolling	Heeling	Rolling
Marine Gearbox	15°	22.5°	5°	7.5°
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Marine Gearboxs Conventional Wearing Parts
External disc	Internal disc	Sealing	Piston ring
Gasket	Rubber sealing	Thrust plate	Filter
Coil type filter	Packing	O ring	Input shaft assembly
Transmission shaft assemby	Output shaft assembly	Hydraulic control system
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	DCEC Marine Main Engine		DCEC Marine Auxiliary Engine
	CCEC Marine Main Engine		CCEC Marine Auxiliary Engine
	Deutz Marine Main Engine		Deutz Marine Auxiliary Engine
	Weichai Marine Main Engine		Weichai Marine Auxiliary Engine

	Medium-Low Duty Marine Gearbox		PSP Marine Propeller
	Medium-Heavy Duty Marine Gearbox		FSP Marine Propeller
	Light Duty & High Speed Marine Gearbox		FBP\|DSP Marine Propeller
	GW Series Marine Gearbox		ISP Marine Propeller

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	CCEC Marine Generator Set		CDDY SeaMac Control Lever
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	Weichai Marine Generator Set		CDRZ SeaMac Control Lever