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DONG-i Gearbox — Korean-made marine transmissions engineered for reliable, smooth, and efficient power transfer. Compact, durable, and easy to maintain, with forward/reverse operation and a wide range of reduction ratios for commercial and recreational vessels. Distributed by Dynamic Power Marine & Industrial Hardware, Inc.

MARINE GEARBOX

DONG-I

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DMT-70T

DMT-70T

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Standard Scope of Supply

  • Oil cooler

  • SAE bell housing

  • Plate-type brackets

  • Propeller coupling

  • Pressure gauge

  • Standard spare parts

Options

  • Trolling valve

  • Pump mounting kit for PTO

  • Electric shifting

DMT-170HL

Standard Scope of Supply
•  Bell Housing (SAE 1, 2)
•  Dual Stage Coupling(14" 11.5")
•  Propeller Coupling, Reamer Bolt
•  Manual Control Valve
•  Oil Cooler
•  Cable Bracket

Options
•  Manual Trolling Valve
•  D-trolling Valve
•  Electronic Control Valve(12V,24V)
•  Manual Trolling Valve + Electronic            Control      Valve(12V,24V)
•  Centa Flexible Coupling (14")
•  Mounting Bracket (Flat type, L type)

DMT-170HL

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DMT-400H

DMT-400H

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Standard Scope of Supply
•  Bell Housing (Selection)
•  Centa Flexible Coupling 
•  Mechanical control valve
•  Oil Cooler/cover
•  Companion flange/Reamer bolts
•  Cable Bracket/clamp parts
•  Live PTO 

Options
•  Electric control valve (12V, 24V optional)

•  Mechanical trolling valve
•  Mounting brackets(Flat type, Customized)
•  Parts for Live PTO (Pump pad, coupling)
•  Class

DMT-550H

Standard Scope of Supply
•  Bell Housing (SAE0)
•  Centa Flexible Coupling (18")
•  Propeller Coupling, Reamer Bolt
•  Manual Control Valve
•  Oil Cooler
•  Cable Bracket

Options
•  Electric control valve (12V, 24V)

•  Manual trolling valve
•  Mounting brackets(Flat type, L type)

DMT-550H

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DMT-450DL

DMT-450DL

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Standard Scope of Supply

•  Bell Housing (SAE 0, 1)

•  Centa Flexible Coupling (18", 14") •  Propeller Coupling, Reamer Bolt

•  Manual Control Valve

•  Oil Cooler

•  Cable Bracket 

Options

•  Manual Trolling Valve

•  Electronic Control Valve(12V, 24V)

•  Manual Trolling Valve + Electronic Control      Valve(12V, 24V)

•  Mounting Bracket (Flat type, L type)

DMT-600DL

Standard Scope of Supply
•  Bell Housing (SAE0)
•  Centa Flexible Coupling (18")
•  Propeller Coupling, Reamer Bolt
•  Manual Control Valve
•  Oil Cooler
•  Cable Bracket

Options
•  Manual Trolling Valve
•  Electronic Control Valve(12V, 24V)
•  Manual Trolling Valve + Electronic Control      Valve(12V, 24V)
•  Mounting Bracket (Flat type, L type)

DMT-600DL

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