Gearbox

MARINE TRANSMISSION AND STEERING SYSTEMS

DONG-I INDUSTRIAL CO.

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MARINE TRANSMISSION POWER TAKE OFF STEERING SYSTEMS

DONG-I INDUSTRIAL CO.

MARINETRANSMISSION

DONG-I

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Your alternative for better satisfaction

DMT 150H DMT 170HL DMT 180HL DMT 200H DMT 200HL

DMT 240H DMT 260H DMT 260HL DMT 280H DMT 280HL

MODEL Reduction Max Input Max. Input Horse Power(HP) Dry Housing

NAME Ratio (rpm)Torque weight

No.(kgf m) 1600rpm 1800rpm 2100rpm (kg)

DMT 150H 1.83, 2.09, 2.51, 3.08, 3.43 2,500 168 375 422 493 287 1, 2

DMT 170HL 4.04, 4.48 2,500 168 375 422 493 352 1, 2

DMT 180HL 5.15, 5.96 2,500 168 375 422 493 475 1, 2

DMT 200H 1.83, 2.09, 2.51, 3.08, 3.43 2,500 200 447 503 586 310 1

DMT 200HL 4.04, 4.48 2,500 200 447 503 586 370 1

DMT 240H 1.50, 1.97, 2.44, 2.93, 3.40 2,500 219 489 550 642 400 0, 1

DMT 260H 2.06, 2.50, 2.92, 3.26 2,500 259 578 650 758 490 0, 1

DMT 260HL 3.53, 4.08, 4.52 2,500 259 578 650 758 640 0, 1

DMT 280H 2.06, 2.50, 2.92, 3.26 2,500 298 667 750 875 510 0, 1

DMT 280HL 3.53, 4.08, 4.52 2,500 298 667 750 875 660 0, 1

DONG-I MARINE TRANSMISSION

TECHNICAL DATA

MODEL Reduction Max Input Max. Input Horse Power(HP) Dry Housing

NAME Ratio (rpm)Torque weight

No.(kgf m) 1800rpm 2100rpm 2400rpm (kg)

DMT 18A 1.64, 2.17, 2.52, 3.13, 3.32 3,500 17 43 50 57 74.5 3, 4, 5

DMT 25AL 1.64, 2.07, 2.52, 2.96, 3.32 3,500 30 75 88 101 77 3, 4, 5

DMT 50A1.61, 2.06, 2.45

3,000 55 138 161 184 143 1, 2, 32.82, 3.12, 3.46

DMT 70T1.61, 2.06, 2.45

3,000 87.5 220 257 293 162 1, 2, 32.82, 3.12, 3.46

DMT 100T 1.61, 2.06, 2.45, 2.82 3,000 97 244 285 325 164 1, 2, 3

DMT 100HL 5.28, 5.94 3,000 87.5 220 257 293 263 1, 2, 3

DMT 110A 1.77, 2.09, 2.42, 2.82, 3.19 2,800 110 276 323 369 212 1, 2, 3

DMT 130AL 1.77, 3.81 2,800 128 322 375 429 215 1, 2, 3

DMT 140H 1.97, 2.57, 3.03, 3.46 2,800 130 327 381 436 218 1, 2, 3

DMT 18A DMT 25AL DMT 50A DMT 70T

DMT 100T DMT 100HL DMT 110ADMT 130AL

DMT 140H


D

CL

C

MBA

160

K

40。

40。

REVERSE

NEUTRAL

FORWARD

G H

E

F

I

J

INSTALLATION DIMENSION

A B C D E F G H I J K

DMT 18A 325 239 -7.8 26 118.7 243.7 177 135 157 260 60 66

DMT 25AL 325 239 -7.8 26 118.7 243.7 177 135 157 260 60 66

DMT 50A 382 286 +20 40 160.5 323.5 217 175 170 326 70 92

DMT 70T 436 325 +20 40 160.5 323.5 228 175 170 326 70 111

DMT 100T 436 325 +20 40 160.5 323.5 228 175 170 326 70 111

DMT 100HL 462 351 -124 70 274 553.5 284 284 376 552 120 134

DMT 110A/130AL 446 335 -15 50 195 388 249 197 224 386 100 140

DMT 140H 455 344 -15 50 195 388 249 197 224 386 100 140

DMT 150H 516.5 376.5 +10 50 211.2 418.2 275 210 230 415 134 150

DMT 170HL 579 389 -14.3 70 261 520.5 280 258 316 510 134 180

DMT 180HL 617 427 -216 90 331 677 332 332 416 654 154 180

DMT 200H 590.2 390.2 +10 50 211.2 418.2 275 210 230 415 134 185

DMT 200HL 625.2 405.2 -14.3 70 261 520.5 280 258 316 510 134 200

DMT 240H 639 439 +25 70 227 458 330 240 244 447 146 185

DMT 260H 651.5 451.5 +25 70 227 458 330 240 244 447 146 165

DMT 260HL 671.5 451.5 -216 90 331 677 337 337 416 654 154 200

DMT 280H 651.6 451.5 +25 70 227 458 330 240 244 447 146 165

DMT 280HL 671.5 451.5 -216 90 331 677 337 337 416 654 154 200

Note : 1) Dimension ‘M’ is different according to the engine specification2) +value(-value)show above(below) the input shaft center line in dimension ‘C’


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CHARACTERISTICS


1 : RUBBER BLOCK2 : SPIDER3 : PINION4 : INPUT CLUTCH5 : INPUT CLUTCH HOUSING6 : INPUT SHAFT7 : ASTERN CLUTCH

8 : ASTERN CLUTCH HOUSING9 : OUTPUT GEAR10 : ASTERN SHAFT11 : DRIVING BLOCK12 : GEAR PUMP13 : OUTPUT COUPLING14 : PROPELLER

12

34

78

910

13

5

6

11 12

14

DONG-I INDUSTRIAL CO., is the biggest manufacturer of marine transmission, steeringsystem and power take off for marine utility in South Korea.

DONG-I has grown to the biggestmanufacturer and supplier in domestic marketduring the last ten year.

Now, DONG-I is enlarging its scale up toworldwide level and is starting new stage ofnext decade.

DONG-I Marine transmission is operated withhydraulic system, and has the same reduction ratioof ahead, astern.Not only Korean famous engine makers but alsoworld major engine makers choose DONG-I transmission for their marine engine

There is 19 models of marine transmission coveringup to 800HP and each model has various reductionratios.

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BETTER AND BETTER PRODUCTS FOR THE FULL SATISFACTION OF CUSTOMER IN ANY SEA

ISO 9001 : 2000KSA 9001 : 2001

KR RMR

SMALL SPACE FOR INSTALLATION!

SIMPLE STRUCTURE!

EASY MAINTENANCE!


OPTION PART

SELECTOR VALVE WITH TROLLING VALVE is the valve which can adjust the speed of vesselsin the low speed navigation.

The TROLLING VALVE is fitted directly with the selector valve with simple structure.

The trolling operation can be obtained in both side forward and astern direction.

TROLLING VALVE

Pressure

Normal

Trolling

DONG-I TROLLING VALVE make Slow Speed Navigation by hydraulicpressure control without mechanical loss under the condition of idleengine RPM (Below 900 RPM)

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WHERE SLOW SPEED NAVIGATION IS REQUIRED!!


OPTION PART

TORSIONAL COUPLING

NO PART NAME1 Bolt2 Bolt, reamer3 Plate4 Cover, rubber 5 Rubber block, torsional6 Center Ring7 Driving Ring8 Rubber block9 Spider

PART LIST

Factor of Angle Speed

DUAL STAGE RUBBER BLOCK absorb theimpact and noise occurred from connecting part.It also decrease the factor of load following theengine explosion timing.

= Reduced load factor

Inner blocks transmit power at a low rpm while outer blocks transmit when over about 1,000 RPM

AVAILABLE SIZE : 11.5 , 14 FLYWHEEL

DONG-I TORSIONAL COUPLING is the optional part forDONG-I MARINE GEARBOX.

The TORSIONAL COUPLING is used to reduce the noise and vibrations.

LOW rpm HIGH rpm

─ MOTOR ─ Rubber Coupling─ Torsional Coupling

Speed

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SAILING,CALMLY AND COMFORTABLY!!

EXCELLENT DESIGN

EASY INSTALLATION

EFFICIENT MANEUVERABILITY

MARINE TRANSMISSION AND STEERING SYSTEMS

DONG-I INDUSTRIAL CO.33-31, Sang Dae 2 Dong, Chinju, Kyung Nam, KoreaTel : +82 55 755 9928Fax : +82 55 755 9188E-mail : [email protected] : http://www.e-dongi.com

SAILING FOR SEA OF THE WORLD!!

The contents described this catalogue may be modified without previous notice for performance improvement

CAT NO.2K3 GEAR-1

Gearbox

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