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Southwest Cruiser

1978 MCI 8 Custom Coach

The 1978 MCI 8 “Southwest Cruiser” is a professionally converted motorhome coach by Custom Coach Corporation, built new from the factory as a private motorcoach—not a retrofit. With Custom Coach production number 2401, this 40-foot, non-slide Prevost conversion offers timeless quality, thoughtful craftsmanship, and a rich ownership history. Having been in private hands for over 20 years, this garage-kept coach has logged approximately 175,000 miles and has never served as a seated passenger bus.

Mechanically, the Southwest Cruiser is powered by a Detroit 8V71 engine mated to a 5-speed Allison automatic transmission, with recent service highlights including new Firestone tires and steel rims (Dec 2024) and new house and chassis batteries (Nov 2024). The onboard Kohler 12.5kW generator (2,282 hours), dual Copeland A/C units, and comprehensive electrical upgrades ensure the coach is fully self-contained for road or campground use.

Inside, the coach offers a true residential layout with a Princess 4-burner rangedouble sink, microwave, refrigerator/freezer, pull-out pantries, and even a Perm-A-Pub automatic bar. The front living area includes a swivel chair lounge, convertible dinette, and dual TVs. A walk-in bathroom features a vanityshower, and electric heat, while the rear lounge converts into a full-size 75″ x 54″ bed with built-in seating, closets, and wardrobe storage. Additional systems include central vacuumCB radiointercoms, dual inverters, and multiple wall and floor heating units.

Located in Nashville, TN and priced at $35,000, the Southwest Cruiser is an outstanding example of a true vintage MCI bus conversion, ideal for collectors, vintage RV enthusiasts, or anyone seeking a classic luxury motorhome with character and capability.

$35,000

  • Floor Plan:

    Motorhome

  • Year:

    1978

  • Make:

    MCI

  • Model:

    8

  • Mileage:

    Approx 175k

  • Slide:

    Non-slide

  • Engine:

    Detroit 8V71

  • Engine Break:

    Yes

  • Transmission:

    5-Speed Allison Automatic

  • Transmission Retarder:

    No

  • Generator:

    Kohler 12.5 kw

  • Generator Hours:

    2282

  • Over The Road Ac:

    Yes

  • Bunks:

    No

  • Converter:

    Custom Coach Corporation

  • Bus Location:

    Nashville, TN

Additional Info:

  • This 1978 "8" MCI Custom Coach Conversion is a true classic, the current owner has owned it for over 20 years

  • Never a seated bus, was professionally converted new by Custom Coach Corporation in Columbus, OH

  • Custom Coach production number 2401

  • 40ft long 96" wide

  • New firestone tires and rims installed in December 2024

  • New house and chassis batteries installed in November 2024

  • Have all the original build sheet, manuals, and blueprint drawings.

Contact:

* Buses are shown by appointment only.

Galley

  • Slide-in Princess brand 4-burner electrical range and oven

  • Double sink

  • Sink cover

  • Ice chest

  • (2) pull out pantries

  • An automatic bar Perm-A-Pub brand

  • Microwave oven

  • Refrigerator with a top mount freezer

  • Ample storage

  • Kitchen-Aid hot water dispenser

  • Pull-out cutting board

  • Intercom phone

  • Power roof vent

Driver Area

  • Co-pilot seat

  • Step-well cover

  • CB radio

  • Cruise control

  • Escort brand radar detector

  • AM/FM Radio

  • Heated mirrors

  • Intercom phone

Front living room

  • (2) Swivel chairs

  • Lift-top cabinet with TV

  • An additional TV cabinet facing the rear of the coach

  • Pull out airline table

  • Roof vent

  • Infinity lighting

  • Sofa

  • Padded valances

  • Curtains

  • Dinette with a removable table and transforms into a bed

  • Vinyl flooring throughout the entire coach

Bathroom

  • Walk-in shower with ceiling light and power roof vent

  • Electrical wall heater

  • Vanity with mirror and medicine cabinet

  • Commode

Rear Bedroom / Lounge

  • Rear lounge has seating for 6 with a removeable table

  • Rear lounge transforms into to sleep quarters for a full size 75" X 54" mattress

  • Infinity lighting

  • Intercom phone

  • Hanging wardrobe in the hallway

  • Wardrobe with (4) Adjustable shelves

  • Cutrians

  • Padded valances

  • TV

MCI 8 Shell

  • Double glazed thermopane windows

  • Splash guard at all wheels

  • Rubber bump rail on bumpers

  • Fog lights

  • Side turn lights

  • Automatic engine shut down

  • Low coolant level warning

  • Engine block heater

  • Auto slack adjusters

  • Fuel gauge

  • Volt meter

  • High back driver seat

Tires

  • All new Firestone 12.22.5 tires installed December 2024

  • New steel rims installed December2024

Exterior / Bays

  • Auxiliary diesel fuel tank, located in the front driver side bay

  • Central Vac

  • Air horns

  • Docking lights

  • Fog lamps

  • Additional back-up lights

  • Spot light

  • Trailer hitch

HVAC

  • (2) Copeland A/C units

  • Over-the-road bus A/C & Heat

  • Nelco wall heater

  • (4) Thermo heaters

Electrical

  • 12.5 kw Kohler generator with 2282 hours

  • 3000 W Inverter

  • Lamarche brand 12VDC battery charger

  • Lamarche brand 24VDC battery charger

  • (2) 8 D Chassis batteries installed new in November 2024

  • (1) 8 D House battery installed new in November 2024

Water

  • 100 Gallon fresh water tank

  • Electric water heater

  • Water filtration

  • 110 Gallon black water tank

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