Steel trawler

SD462 STEEL TRAWLER YACHT

Principle Characteristics

CONSTRUCTION:

CCS type approved marine steel shot peened or sand blasted inside and out, three coats

of epoxy primer interior and exterior, four coats on the bottom, plus bottom paint and

color top coat. Two-color-scheme to owner's choice.

Construction to China ship Classification Society (CCS) practice, weld X-ray of all boats,

seal test, tank pressure tests and incline test of sistership.

All doors, hatches, ports and windows to be aluminum heavy duty commercial ship quality. 

Windscreens to be 10mm toughened glass plate. Complete vessel to be insulated with

sprayed expanding foam. Scantlings: Keel shoe 15mm, keel sides 8mm, garboard

plank 6mm, hull bottom, sides and deck 5mm, superstructure 4mm. Pilothouse and

main saloon tops are FRP with 1" thick balsa coring.

ENGINE:

Standard engine John Deere 4045, 125 HP Tier III continuous duty 4 cylinder

marine diesel with marine transmission. Complete engine instrumentation including

high temperature,

low oil pressure alarms. Other engines available if desired.

Stainless shafts to be 304 stainless or higher.

Prop aperture and engine mounting designed to minimize vibration and noise.

PSS Dripless shaft seal.

Sea water strainers and ball valve sea-cocks on all inlets.

Primary and secondary fuel filter.

Drip pan under engine.

Wet exhaust system with custom designed water lift muffler.

Quiet, large capacity engine room blower with noise isolated vents.

Steel fuel tanks, 1000 gallons plus, well baffled and braced. Stainless steel ball valves

at each end of fuel lines. Fuel tank are well vented with large 2" deck fills.

Hull insulation, sprayed expanding foam.

Sound insulation, two foam layers with lead center, surrounding engine room.

Balanced rudder.

ELECTRICAL:

Optional genset.

Back lighted custom made circuit breaker panel using high quality breakers.

Shore power master breaker is GFI (RCI) type for safety.

AC receptacles through out.

Indirect lighting and red safety lighting at steps.

Visual and audio warnings for all system mal-function including high water,

engine water flow, ER overheat, any pump running, E R lights left on, etc.

LED overhead lighting; quality lighting fixtures throughout.

All Seahorse Marine installed wiring is multi-strand tinned copper boat cable. Wires have

color or marker codes for easy tracing.

Wire runs in conduit and all runs, except the bilge pump, are located as far above

the waterline as possible.

All wire runs including those along the shear are easily accessible.

AC Toroidal Isolation transformer, 120/240 volt input.

Lightning protection system.

AC shore connector fitted starboard side. DC socket installed in pilothouse.

Multiple zincs on hull, standard size bolted, not welded.

International navigation lights and anchor light installed.

Red interior night safety lighting and remote control spot light installed.

Pilothouse overhead lights have red night vision lighting as well as standard white bulbs.

Optional electronic and entertainment equipment can be planned in advance with owner so necessary wiring, 

grounds and cabinets can be built in. Signal horn and windscreen wipers.

WATER SYSTEMS: Water tanks P&S design installed with ball-cock shut off valves and

vents designed to prevent salt water contamination.

Stainless ball type sea-cocks on all thruhulls below the waterline.

Double all stainless clamps on all hoses below the waterline.

Hot water heater with electric and engine heat exchanger for domestic water supply.

High quality bath and galley fixtures. Electric toilets plumbed to holding tank.

BILGE PUMPS: Triple 3000GPH electric pumps plus large Edson manual bilge pump

installed with valving to each water area.

HEADS: Head(s) includes trouble free non-jamming electric toilets, showers,

basins and storage.

Two holding tanks, one black water, one gray water.

Heads have power ventilation on timer switch.

Towel rails is to handrail strength.

Mirrors are fitted.

Toilet walls to be GRP laid up w/ epoxy over plywood.

Toilet flooring to be tile.

HULL LIGHTING AND VENTILATION: Built to Buehler's design and all to be aluminum

frame opening hull ports with storm covers and windows, commercial ship quality.

Deck hatch(s) aluminum commercial ship quality, stainless handles.

Commercial aluminum seadoors on interior bulkheads (5 watertight compartments total). 

Pilothouse side door Dutch type seadoor.

DECK: Steel pulpits, hand rails and boarding gate(s).

Deck and cockpit hatches are watertight commercial quality.

Stainless dress package available.

Teak dress package available, includes cockpit cap rail and teak decks.

Stainless steel heavy bollards and chocks for lines, not painted steel.

Heavy dual anchor rollers at bow, 70 pound plow and 40 pound Danforth type provided.

Electric windlass.

300' chain rode standard.

INTERIOR DECORATION:

Interior to be of teak veneer with solid teak trim, doors and drawer fronts.

All interior floors to be teak and holly style flooring.

Hanging lockers and cabinets with louvered doors.

Mattress to be 5" thick, 4" for seats.

Drawers/storage under bed.

Reading lights and/or night lights aboard wherever applicable.

Overhead lights LED type white or red lighting.

Hand rails fitted in proper locations.

STEERING STATION:

Large chart table, room for helm chair.

Ventilation hatch over helm position.

Seahorse standard helm seat installed.

Raised pilothouse dinette with well supported table.

Radar, antenna and steadying sail mast on top of pilothouse, Buehler's design.

Engine and gear controls in pilothouse.

Marine circuit breakers for all boat operations and for planned electronics installation,

back lighted panel.

Teak wheel at helm, heavy duty hydraulic steering.

Pantograph windshield wipers on pilothouse window with fresh water wash.

Tinted side windows available on side windows on request.

Windshields are heavy safety glass.

(Remark: To reflect supplier updates and safety improvements Seahorse Marine

reserves the right to modified specifications/equipment list as needed.)    

Nov 2025