Luhrs 400 Convertible

Accommodations

The Luhrs 40 Convertible is designed for both serious offshore fishing and comfortable extended cruising, with a layout that maximizes space and liveability below decks. It features a two-stateroom, one-head interior layout with generous common areas and ample storage — exceptional for a 40-foot convertible.

Forward Master Stateroom with centerline double berth — roomy and comfortable for overnight cruising. 
Guest Cabin to Port with over/under single berths — perfect for kids, guests, or crew. 
Cabins are separated from the salon, providing privacy and a restful environment below

Single head compartment accessed off the companionway — centrally located with privacy door. 
Head includes a VacuFlush marine toilet, separate stall shower, and an overhead portlight for ventilation. 

The main salon offers a comfortable lounge area with seating and table — great for dining, relaxing, or entertaining. 
The galley is forward of the salon, equipped with counter space, storage, sink, upgraded refrigeration and provisions for cooktop — making meal prep easy underway. 
Large windows with shades around the salon create an open, airy feel below deck with plenty of natural light.

Smart TV in the salon with upgraded 2-zone surround sound (salon and master) — perfect for movie nights or relaxing after a day offshore.
Flat-screen TVs in both cabins with DVD players — great for overnight guests or kids.
Custom Fusion 2-zone stereo system integrates entertainment throughout the main salon and helm.

The interior includes an upgraded AC/heat systems in the salon, ensuring year-round comfort on board. 
Extensive storage throughout the salon and cabins, including hanging lockers in staterooms and cabinetry, keeps gear and personal items stowed neatly. 

The 40′ Luhrs Convertible boasts a beam of nearly 15 feet, giving surprisingly spacious accommodations for its class. This allows the salon, galley, and cabins to feel roomy and livable compared to many other sportfish/convertible boats in the 40-foot range. 

Summary

️ Two private staterooms for family or guests
️ Separate head with stall shower
️ Spacious salon with lounge and entertainment upgrades
️ Forward galley integrated into living space
️ Ample storage and natural light throughout
️ Designed for comfortable cruising and fishing alike

This layout makes her equally suited for weekend adventures or extended cruising, combining practical offshore capability with livable interior comforts.

Mechanical Equipment

Twin Cummins Diamond Series 6CTA 8.3 Mechanical Diesels

Starboard: 1,767 hrs
Port: 1,668 hrs
450 HP each — rugged, reliable mechanical injectors and simplicity prized by offshore cruisers.

Key Engine System Upgrades

Rebuilt twin turbochargers
Custom stainless steel exhaust mixing elbows (upgrade from original cast iron)
Serviced heat exchangers, aftercoolers, and oil coolers:

Chemically cleaned
Pressure tested
Reinstalled with new zincs & gaskets
Rebuilt injectors & raw water pumps
New engine motor mounts
New belts, impellers, filters, and fluids (as part of professional yearly servicing)

DRIVETRAIN & SHAFT SYSTEM
Professionally aligned, balanced and serviced shafts
New cutlass bearings
Tides Marine dripless stuffing boxes
Target-aligned strut bearings
Full shaft removal/inspection & dynamic balancing
Structural fiberglass reinforcement completed around strut areas
Professional propeller service prior to replacement

FUEL SYSTEM
Fuel polishing service every 18 months
Fuel filters and separators serviced/professionally rebuilt
Clean fuel delivery ensured by routine service and polishing

ELECTRICAL & CHARGING
Dual battery banks

Added house battery
Added second Dolphin battery charger (for reliable charging and redundancy)
Battery switches and terminals cleaned, protected & secured during service
Shore power with breaker panel and onboard distribution board
GFCI protection and AC receptacles throughout

GENERATOR
Kohler 8kW Generator — Model 8EOZ

2,391 hours
Cleaned, serviced and tested with regular load checks
Dedicated fuel supply and seawater intake strainers
Controls integrated into main panel area

EXHAUST SYSTEM
Custom stainless steel mixing elbows replacing original cast-iron

Greatly reduces corrosion and heat stress
Cleaned and inspected exhaust risers
Heavy-duty exhaust hoses and clamps replaced as needed

RAW WATER SYSTEM
Raw water intake strainers on both engines and generator
Rebuilt raw water pumps
New impellers and service components installed during annual service
Seacocks, hoses, and clamps replaced/upgraded where needed

COOLING SYSTEM
Heat exchangers removed, cleaned & pressure-tested
Aftercoolers cleaned and serviced
Engine block & transmission cooling circuits flushed
Coolant changed at recommended intervals

STEERING & CONTROLS
Engine controls and cables inspected and serviced
Hydraulic steering system checked, bled, and adjusted
Rudder bearings and linkages inspected for smooth operation

NAVIGATION & ELECTRONICS INTEGRATION (MECH INTERFACE)
Garmin chartplotter suite with autopilot and radar
Upgraded transducer integrated through proper mechanical interface
Power routing, grounding, and environmental sealed housings

ROUTINE & ONGOING MAINTENANCE PRACTICES
Monthly professional cleaning & mechanical checks
Annual professional haulout & service

Fluids
Filters
Belts
Hoses
Zinc replacement
Advancing preventive maintenance philosophy — no deferred work

DOCUMENTATION
All mechanical work is documented with invoices, dates, and parts used, including major recent investments toward reliability and longevity.

This mechanical platform has been designed and maintained with the philosophy:
Replace before failure. Upgrade where sensible. Test often.

Galley Equipment

️ REFRIGERATION
Upgraded stainless steel 2-drawer refrigerator

Larger than factory unit
Easy access, efficient storage, and excellent for family cruising or provisioning for longer trips

COOKING & MEAL PREP

Electric Cooktop 
Convection microwave 
Galley sink with faucet
Dedicated prep counter space for practical meal prep underway

WATER SYSTEM SUPPORT
Pressurized freshwater system supplying the galley sink
New 2025 water heater supports hot water at the galley and head

STORAGE & FUNCTIONALITY
Galley cabinetry and drawers for dry goods, cookware, and utensils
Under-counter storage designed for cruising provisions
Trash storage area (varies by layout)
Good salon adjacency makes serving and entertaining easy

GALLEY SUMMARY
This Luhrs 40 provides a true cruising galley, not an afterthought — and the upgraded oversized stainless 2-drawer refrigerator is one of the best improvements you can make for comfort aboard

Deck and Hull Equipment

1999 Luhrs 40 Convertible
The Luhrs 40 Convertible is built on a solid fiberglass hull with a wide beam and deep cockpit, designed for offshore capability, stability, and durability. The deck layout balances fishability with family-friendly cruising features.

️ HULL & CONSTRUCTION
Solid fiberglass hull construction
Modified-V hull design for a soft ride and offshore performance
Wide beam (~14’11”) providing stability at rest and underway
Molded fiberglass decks and superstructure
Structural fiberglass reinforcement completed around strut areas (professionally repaired and upgraded)

COCKPIT & EXTERIOR LIVING
Large self-bailing cockpit — ideal for fishing, entertaining, or relaxing
Non-skid cockpit sole for safe footing
Transom door for easy water or dock access
Wide side decks for safe foredeck access
Molded steps to flybridge

TENDER & WATER ACCESS
Freedom Lift mounted on stern
2016 Sea-Doo Spark INCLUDED
Integrated swim platform for easy water access

GROUND TACKLE & MOORING
Bow anchor with 100' galvanized chain, rope, and upgraded windlass
Bow pulpit with anchor roller
Foredeck cleats and fairleads
Heavy-duty mooring cleats fore, aft, and midship
Stainless steel bow rail for safety

FLYBRIDGE & HELM AREA
Raised flybridge with excellent visibility
Helm seating with clear sightlines
Companion seating forward of helm
Full Eisenglass enclosure (Needs repairs. We don't use it)
Engine controls, navigation electronics, and instrument cluster at helm

LIGHTING & SAFETY
Navigation lights, spotlight, loudspeaker

Deck lighting for nighttime use
Bilge pumps with automatic float switches
High-water bilge alarm system
Non-skid walkways and grab rails throughout

HARDWARE & FITTINGS
Stainless steel deck hardware throughout
Cleats, rails, and fasteners maintained and serviced
Upgraded hose clamps and fittings replaced as required
Seacocks and through-hulls inspected and serviced during maintenance

MAINTENANCE & CONDITION
Monthly professional cleaning
Hull, deck, and fittings maintained regularly
Preventive maintenance philosophy — address issues before failure
No known structural or hull deficiencies

DECK & HULL SUMMARY
The Luhrs 40 Convertible offers a robust offshore hull, a functional fishing cockpit, and safe, usable deck space for family cruising. Combined with recent structural reinforcement and consistent professional maintenance, this vessel presents as a turn-key, confidence-inspiring platform.

Additional Equipment

Additional Equipment & Systems
Dual Racor fuel/water separators
Engine room lighting and ventilation
Reverse-cycle air conditioning and heat
VacuFlush head with holding tank and deck pump-out
Freshwater washdown
Electric windlass
Shore power with breaker protection
Bonding and corrosion protection systems
Bilge pumps with automatic float switches and high-water alarm
Opening hatches and portlights for natural ventilation