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Ocean Industry
Medium Gearboxes

Medium Gearboxes

Product catalog summary

Overview: This document outlines the technical specifications for marine gearboxes and highly flexible couplings manufactured by Hangzhou Ocean Industry Co., Ltd. It includes detailed information on power ratings, dimensions, recommended engines, operational features, and structural characteristics of various gearbox models.

1. Gearbox Specifications:

16A Marine Gearbox: Supports up to 33 HP at 2000 RPM, with dimensions of 422x325x563 mm and a weight of 84 kg. It features a mechanical-joint clutch and is compatible with engines like MWM D226-2 and HATZ 3M31, offering a propeller thrust of 3.5 KN.
MA100A Marine Gearbox: Handles up to 37 HP at 3000 RPM, measuring 236x390x420 mm and weighing 75 kg. It includes a PTO device and mechanical remote operation, suitable for engines such as ISUZU UM02AB1 and YAMAHA Me125, with a propeller thrust of 3.0 KN.
06 Marine Gearbox: Designed for up to 12.5 HP at 2100 RPM, with dimensions of 350x316x482 mm and a weight of 58 kg. It uses a mechanical-joint clutch and is recommended for engines like YANMAR TS130 and HATZ E786, providing a propeller thrust of 1.8 KN.
26 Marine Gearbox: Capable of up to 67.5 HP at 2500 RPM, with dimensions of 473.5x365x830 mm and a weight of 92 kg. It features a mechanical-joint clutch and is compatible with the TD226B-3C engine, offering a propeller thrust of 5.0 KN.

2. Medium and Heavy Duty Gearboxes:

MB170 Marine Gearbox: Supports up to 132 HP at 2500 RPM, with dimensions of 485x610x656 mm and a weight of 240 kg. It offers mechanical or electrical remote control and is suitable for engines like MWM D226-6 and YAMAHA ME400L, with a propeller thrust of 16 KN.
MA142A Marine Gearbox: Handles up to 102 HP at 2500 RPM, measuring 308x520x540 mm and weighing 140 kg. It includes a PTO device and is recommended for engines such as CUMMINS 4B3.9-M and MWM D226-4, with a propeller thrust of 8.5 KN.
120B Marine Gearbox: Designed for up to 340 HP at 2500 RPM, with dimensions of 605x744x770 mm and a weight of 400 kg. It features a push-and-pull flexible shaft and is compatible with engines like NT-855-M240 and CAT3208TA, offering a propeller thrust of 25 KN.

3. High Power Gearboxes:

T300 Marine Gearbox: Capable of up to 759 HP at 2300 RPM, with dimensions of 640x920x1110 mm and a weight of 1120 kg. It includes a PTO device and is suitable for engines such as KTA19-M600 and CAT3412T, with a propeller thrust of 70 KN.
HC400 Marine Gearbox: Supports up to 810 HP at 1800 RPM, measuring 843x1010x1066 mm and weighing 1100 kg. It features a PTO device and is compatible with engines like KT38-M800 and TBD604BL6, offering a propeller thrust of 82 KN.
HCT400A Marine Gearbox: Handles up to 945 HP at 2100 RPM, with dimensions of 800x1052x1130 mm and a weight of 1450 kg. It offers mechanical or electrical remote control and is suitable for engines such as KT38-M800 and CAT3412TA, with a propeller thrust of 82 KN.

4. General Notes:

Performance rates increase by 8% when using high-flexible couplings.
Contact information for Hangzhou Ocean Industry Co., Ltd. is provided for further inquiries.

5. GW Series Marine Gearboxes:

The GW series includes six types: GWC, GWD, GWS, GWH, GWL, and GWK, each with specific structural features and applications.
GWC Series: Features double-step reduction and reversal steps with homocentric input and output shafts.
GWD Series: Single-step reduction with angular hetero-centric input and output shafts.
GWS Series: No primary device, only final and reversal steps with vertical hetero-centric shafts.
GWH Series: Similar to GWS but with horizontal hetero-centric shafts.
GWL Series: Similar to GWC but without ahead and astern functions.
GWK Series: Single-step reduction with vertical hetero-centric shafts.

6. HGT Series Highly Flexible Couplings:

These couplings are torsionally flexible rubber couplings that compensate for radial, axial, and angular shaft displacements.
They are used in ship propulsion, generator sets, pumps, fans, and compressors.
The couplings consist of a torsionally flexible part, a membrane part, and a connecting part, with rubber elements arranged in segments for ventilation and cooling.
Selection of coupling type is based on a formula involving rated power, rotational speed, and a safety factor.

7. Technical Data:

Detailed tables provide data on RPM ranges, gear ratios, and horsepower per RPM for various gearbox models.
Specifications for HGT couplings include rated torque, maximum torque, permissible vibratory torque, power loss, speed, axial and radial displacement, dynamic torsional stiffness, and relative damping.

8. Contact Information: Hangzhou Ocean Industry Co., Ltd. provides contact details for further inquiries.

Catalog excerpts

OI1C HANGZHOU OCEAN INDUSTRY CO., LTD. Medium Gearboxes Power range: 10kW~3000kW Ratio:1.5~20:1 Vessel type: transportation, fishing, work boats and etc. o) 06 MARINE GEARBOX MAX.12.5 HP at 2100RPM Engine Speed: 1000~2100 RPM Options/Comments: PTO device available; Mechanical remote operation Centre distance: 100 mm Recommend engine: ISUZU UM02AB1; YAMAHA Me125 — Note: The “Rate” is based on toothed rubber blocks coupling, if use high-flexible coupling, “Rate” will rise 8% Rated propeller thrust: 3.0KN

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©I c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE1 Flange: SAE14 Options/Comments: Push-and-pull flexible shaft, electrically Centre distance: 190 mm Recommend engine: NT-855-M240;CAT3208TA • Note: The “Rate” is based on toothed rubber blocks coupling, if use high-flexible coupling, “Rate” will rise 8% Rated propeller thrust: 25KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 1, 2 Flange: 11.5, 14 Options/Comments: Mechanical or electrical remote control Centre distance: 242 mm Recommend engine: NT-855-M240; CAT 3406 ••• Note: The “Rate” is based on toothed rubber blocks coupling, if use high-flexible coupling, “Rate” will rise 8% Rated propeller thrust: 30KN Tel: 0086-571-88842852 Fax: 0086-571-88844378 E-mail:[email protected]

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 0, 1 Flange: SAE 14,16,18 Options/Comments: PTO device available; Mechanical or electrical remote control Centre distance: 355 mm Recommend engine: KTA19-M600; CAT3412T; TBD234V12 • Note: The “Rate” is based on toothed rubber blocks coupling, if use high-flexible coupling, “Rate” will rise 8% Rated propeller thrust: 70KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 0, 1 Flange: 14,16,18 Options/Comments: PTO device available;Mechanical or electrical remote control Centre distance: 375 mm Recommend engine: KT38-M800; TBD604BL6; CAT3412TA • Note: The “Rate” is based on high-flexible coupling. Rated propeller thrust: 82KN

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MEDIUM AND HEAVY DUTY GEARBOX ©| C HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 00, 0 Flange: 16,18,21,(14) Options/Comments: Mechanical or electrical remote control Centre distance: 415 mm Recommend engine: KTA38-M940;CAT3508TA; TBD234V16 — Note: The “Rate” is based on high-flexible coupling. Rated propeller thrust: 90KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE00 0 Flange: SAE 16,18,21 Options/Comments: Mechanical or electrical remote control Centre distance: 666 mm Recommend engine: 6190ZlCz^ Z8170C KAT38-M1 ••• Note: The “Rate” is based on high-flexible coupling. Rated propeller thrust: 220KN

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MEDIUM AND HEAVY DUTY GEARBOX ©| C HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: Flange: Options/Comments: Mechanical remote operation Centre distance: 380 mm Recommend engine: CW8200ZC 8210ZC"' Note: The “Rate” is based on high-flexible coupling. Rated propeller thrust: 120KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 00 Flange: SAE 16,18,21 Options/Comments: Mechanical, Pneumatic or electrical remote control Centre distance: 485 mm Recommend engine: Note: The “Rate” is based on high-flexible coupling. Rated propeller thrust: 175KN

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MEDIUM AND HEAVY DUTY GEARBOX ©I c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: No Flange: 18,21 Options/Comments: Mechanical, Pneumatic or electrical remote control Centre distance: 630 mm Recommend engine: Note: The “Rate” is based on high-flexible coupling. Rated propeller thrust: 280KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. • i DREDGE PUMP GEARBOXES Model Parameter Feature:with clutch,speed reduction and pump functions. MEDIUM AND HEAVY DUTY GEARBOX Tel: 0086-571-88842852 Fax: 0086-571-88844378 E-mail:[email protected]

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©| C HANGZHOU OCEAN INDUSTRY CO., LTD. LIGHT & HIGH-SPEED MARINE GEARBOX Light & High-speed Marine Gearbox HCQ/HCA/HCM/HCV series light high-speed marine gearboxes are designed of power ranging 20kW—2300kW, ratio ranging 1.5—3.5:1. HCQ is with Cast iron housing, HCM with aluminum housing and HCA & HCV with down angle structure. These products enjoy high market share, are widely used on various yacht, traffic boat, passenger boat. Product design and manufacturing capability are in national leading and international advanced level. Main features: 1. Possess functions of clutch & de-clutching, speed...

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 0, 1 Flange: SAE 14,16,18 Options/Comments: Mechanical or electrical remote control Centre distance: 205 mm Recommend engine: 6135ZLCa, N T A -855-M400"-Rated propeller thrust: 40KN

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©| C HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: SAE 0, 1 Flange: SAE 16,18 Options/Comments: Mechanical or electrical remote control Centre distance: 264 mm Recommend engine: KTA38-M940; CAT3508TA; TBD234V16— Rated propeller thrust: 60KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: special equipment Flange: special equipment Options/Comments: Mechanical, electrical remote control Centre distance: 438.6 mm Recommend engine: Rated propeller thrust: 110KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. Bell housing: No Flange: SAE21 18 Options/Comments: Mechanical, electrical remote control Centre distance: 370 mm Recommend engine: Rated propeller thrust: 120KN

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©| c HANGZHOU OCEAN INDUSTRY CO., LTD. HCL-series Hydraulic Clutch HCL-series hydraulic clutches apply structure of wet, multiple P/M friction discs, suitable for clutch condition of high speed, load and frequency. Mechanical or electrical control is optional upon client demand. The control system works sensitively, easily realizing remote or automatic control. The basic elements such as input coupling, clutch discs, cooler and filter are all mature parts. HYDRAULIC CLUTCH Options/Commments:Mechanical or Electrical remote control HCL-SERIES HYDRAULIC CLUTCH Tel: 0086-571-88842852 Fax: 0086-571-88844378...

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Medium Gearboxes

Medium Gearboxes

Catalog excerpts

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