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1989 Silverton Motoryacht

Norwalk, Connecticut


Priced Reduced to $89,000.Two by Four is a commodious three-stateroom live-aboard with all the comforts of home -- and a versatile cruising yacht as well. She has been professionally maintained and stored indoors most winters since her current owner purchased her in 1993. Her relatively low-hour 485hp Detroit Diesels provide comfortable cruising at 15kts and a top speed of 20kts. Many upgrades. Call for a showing.

Basic Boat Info

Price: $89,000
Boat Name: Two by Four
Make: Silverton
Model: Motoryacht
Year: 1989
Condition: Used
Category: Power
Construction: Fiberglass
Boat Hull ID: STNJ0004A989
Has Hull ID: Yes


Length: 46 ft
Length Overall: 51'6 ft
Length Of Deck: 46'8 ft
Beam: 16'2 ft
Max Draft: 3'11 ft
Bridge Clearance: 18'2 ft
Cabin Headroom: 6'11 ft
Dry Weight: 40,500 lb
Deadrise: 17 °
Double Berths: 2
Twin Berths: 1
Cabins Count: 3

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Detroit Diesel
  • Model: T-671 TIB
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 485hp
  • Type: Inboard
  • Year: 1989
  • Engine Hours: 1700
Engine #2 Specs:
  • Make: Detroit Diesel
  • Model: T-671 T1B
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 485hp
  • Type: Inboard
  • Engine Hours: 1700
Total Engine Power: 970hp
Cruising Speed: 15 kn


Fuel Tanks: 1
Fuel Tank Capacity: 580 gal
Water Tanks: 1
Water Tank Capacity: 30 gal
Water Tank Material: Plastic
Holding Tank Count: 1
Holding Tank Capacity: 60 gal


Heads Count: 2
Drive Type: Direct
Windlass Type: Electric
Boat Class: Motor Yachts, Aluminum Fish Boats


Jeff Scanlan


Petzolds Norwalk Cove Marina
48 Calf Pasture Beach Road
East Norwalk, Connecticut, US, 06855

Cabin Amenities and Accommodations

(3) Private Staterooms

-Master Stateroom aft with queen berth

   Master head with separate stall shower

   VacuFlush toilet

-VIP Stateroom forward with queen berth

-Guest Stateroom with double bunk

   Guest head with separate shower stall

    VacuFlush toilet

All new faucets in  heads and galley 2015

Dinette converts to double berth

All interior woodwork refinished in 2013

Salon sofa and (2) swivel barrel chairs

Salon cocktail table and lamp

Reverse cycle air conditioning/heat - (4) units - salon unit new in 2018

Kenmore washer and dryer

JVC FM/AM Receiver

JVC Compact Disc Player

Magnavox 20" Flat Screen TV

(2) JVC Speakers

Telephone Jack

Television Hook-ups

Central Vacuum System

Carpeting throughout



Magic Chef top freezer refrigerator - new in 2018

Kenmore microwave/convection oven

Princess 3-burner electric cooktop - 2009

Kenmore trash compactor

Stainless steel sink

Solid surface countertops - 2009

Ample storage cabinets and drawers 


9' Avon RIB Inflatable with full cover

6 hp Mercury outboard - approx. 10 hours

Dinghy winch

Good brand anchor windlass - rebuilt in 2018

Extra anchor

(2) Bow storage boxes

Bow seat with cushion

Aft deck wet bar

Aft deck shower

Dockside water connection (with pressure reduction valve)

Aft deck table and six chairs

Navigation station Chart Kit table

Fenders and SS Fender holders

All new dock lines


Mechanical Equipment

Twin Detroit Diesels T-671 TIB - 485 hp - 1700 hours

Cruise - 14-15 kts at 2100 rpm, top speed 20 kts at 2600 rpm

Dual lever engine and throttle controls

VDO gauges

Hydraulic steering 

Fuel manifold with crossover valves

Dahl fuel/water separators

Aluminum fuel tanks with baffles

Dripless shaft seals

(2) Spare props

Raw water pumps rebuilt 2017

Engine room exhaust fans new in 2015

Trim tabs - double piston

Hot water heater-15 gal.- new in 2019

Holding tank with dockside and overboard discharge-60 gal


(3) Bilge pumps

Bilge vacuum


Maintenance records available upon request





Electrical Equipment

Kohler 13.5 kw generator with sound shield - 1,851 hours

(2) House/engine batteries 

(1) Generator battery

Dytek battery charger

GFI system

Dockside electrical connections:

  (2) 30-amp 

  (1) 50-amp

(2) 50 ft. 30 amp power cords

(1) 50 ft 50 amp power cord



Garmin GPS 128

I-INC 17" helm station overhead display - works with laptop and iPad

Dell Inspiron 11 laptop computer - Maptech and other charts included

Standard Horizon Eclipse + VHF

Standard Horizon Titan +  VHF

Standard Horizon LH5 Loud Hailer

Furuno GaAs FET Front End 4-tone display - 16-mile radar

Cetrek 737 autopilot rebuilt in 2015

Datamarine Dart - depth, speed, temp, time

Interphase Probe forward-looking sonar 

KVH Azimuth 314 digital compass

Good brand anchor windlass controls

Jensen AM/FM radio receiver cassette marine stereo - (2) speakers





Safety Equipment

(17) Adult PFDs

(4) Child PFDs


(5) Fire extinguishers


CO/smoke detectors


Additional Information

.Owner's personal items do not convey.

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.
Additional Contact Information

For more information or to schedule a showing, please call or text:

Jeff Scanlan, CPYB


Disclaimer This calculator is intended solely for general informational purposes, and to provide a rough estimate based on the information you provide. You should not base your decision on this estimate alone.