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Our BOOMER heavy duty dinghies come with 3mm bottom sheets and 3mm plate sides. Mad Dog Aluminium Boats are built tough to handle the aussie conditions. Fantastic for general boating or for bay and impoundment fishing.


Boasting excellent stability and level flotation the 421 BOOMER has a stack of standard features including side pockets, full carpeted floor, front casting deck, fuel tank rack, solid corners, flat foredeck, transom step, front & rear rails, transducer bracket and grab handles.


Can be purchased as a boat only, boat and trailer or a boat, motor and trailer package. Our standard BMT comes fitted with a Honda 30hp 4 stroke outboard and inshore safety gear.

You can upgrade this model to the Honda 40hp 4 stroke.


The 421 BOOMER comes standard as unpainted, however we have 5 colour options for you to choose from.


You can purchase online using the secure payment method or if you prefer to talk to us direct feel free to drop us a line and we'll get in touch.

  • Length: 4.20m

    Beam: 1850mm

    Weight: 240kg

    Bottoms: 3.0mm

    Topsides: 3.0mm

    Max HP: 40

    People: 4

    Transom Length: Long

    Flotation: Level

Paint Color