PRICE REDUCED – 1993 MCI MC12 40′ Greyhound Bus Conversion

by Chris Brock
Published: March 1, 2024 (1 month ago)
VIN Number

Hello! We have a fully converted 1993 MCI MC-12 Greyhound bus for sale. We love our bus and have had many great adventures with it over the years, but it’s time to pass it along to the next person/people.

The bus is 40 ft long with interior living space around 300 sq ft, plus the 6 large storage bays underneath. It has a rear Detroit Diesel 92 series engine with just under 94,000 miles on it and it drives great!  Nice and smooth ride thanks to new tires and balancing. It’s titled and registered as a motorhome/RV in the state of Oregon in our name and is currently located in the Portland area. We drove it out here from Ohio (it was driven from California to Ohio by previous owners). We purchased it partially converted and spent the better part of a year finishing it out. We lived in it full time for a little while and now have it stored in covered parking.

It’s fully ready to use on shore power and could be used for boondocking with some additions. It has a spot for four 12v “house” batteries (that would need to be purchased), but already has a 2000-watt inverter, 40-gal fresh tank with water pump, 75-gal grey tank, composting toilet, gas generator, and wood stove for heat and as an off-grid cooktop. There is room on the roof to add solar if that’s something you want to do.

The bus doesn’t currently have air conditioning, however we used a portable AC unit when we needed to. The windows are very large, so opening them creates good air flow – there are 4 windows in the living room and 2 in the hallway/bedroom. Both roof hatches also open. We have EZ-Snap screens for all of the windows, windshield, and skylight to use when parked, which reflects heat and helps to keep it cool.

While it’s not perfect, we have really enjoyed it and hope the next person loves it as much as we do. Everyone who sees it talks about how cool it is. It gets a lot of attention when traveling!

Price reduced to $40,000 – open to reasonable offers.  We will be lowering the price regularly until it’s sold.  If you would like to see more pictures, or a video walkthrough, feel free to reach out, or you can look at our listing on  We’re also happy to show the bus if you live close by!

  • Bus Information:
    • Current Mileage – 93,689
    • Detroit Diesel 6v92 2-stroke Engine
    • Allison HT700 Series Automatic Transmission
    • 7 new Roadmaster 42″ Tires, replaced in June 2020 and have about 3K miles on them now
    • Transmission Fluid changed March 2020 at about 90K miles
    • Oil change March 2020 at about 90K miles
    • Thermostat replaced July 2020 at about 90K miles
    • Coolant changed at about 90K miles
    • Two new 12v starter batteries purchased in Fall 2023
    • Complete waterproofing of roof done Fall 2023
    • Fresh coat of exterior paint and clear coat Fall 2023
    • PDF of the MCI MC-9/12 Owner’s Manual
  • Entryway:
    • Built-in shoe cubby storage
    • Refletix sun shade for windshield and driver window
    • Insulated thermal curtains to separate entry/driving and living area
  • Living Room:
    • 9-foot couch from Ikea
    • Under-couch storage
    • Black-out curtains on all windows
    • Kimberly Wood Stove with brick surround and heat-powered EcoFan – can be used as a cooktop –
    • Envy wall convection heater
    • Nebula projector TV with pull-down projector screen
    • Dimmable rope lights and accent lighting
    • Skylight
  • Kitchen:
    • 10 feet of counter space including eating area/desk
    • 2 closets for hanging clothes, extra kitchen appliances, etc. (1 full length closet for longer items, one shorter for things like shirts, etc.)
    • Pantry with adjustable shelves and pull-out baskets
    • Wrap-around shelf above counter with dimmable under-mount lights
    • Large pull-out drawers for pots and pans
    • Interior water shut-off valve
    • 7 cubic ft microwave
    • 40-gallon freshwater tank with Seaflo water pump
    • Under counter switches to control water pump and grey tank heater
    • Eccotemp 7 Gallon Electric Hot Water Heater
    • Dometic CFX3 94L dual compartment refrigerator and freezer
    • Full-length mirror in hallway
    • Dual Light filtering / blackout window shade
  • Bathroom:
    • Nature’s Head composting toilet with spider turn handle
    • Elfa wall storage baskets
    • Schluter Kerdi water proofing system for shower with 3 recessed shelves
    • Cedar tongue-and-groove ceiling
  • Bedroom:
    • Raised bed with queen memory foam mattress and large open space underneath
    • Dresser
    • Custom solid hardwood pullout desk above dresser
    • Bedside outlets with USB
    • Bedside reading lights
    • Dimmable rope lights and accent lighting
    • Envy wall convection heater
    • Dual Light filtering / blackout window shades for both windows
  • Outside:
    • 30-amp shore power hookup
    • 30-amp surge protector
    • Water hookups with locking cover
    • Heated 25′ drinking water hose and other non-heated drinking water hoses
    • Waterspout from fresh-water tank
    • EZ Snap Exterior Window Shades
    • 6 locking storage compartments under bus:
      • Driver’s side first compartment (pass through):
        • 2000-watt inverter (currently no “house” batteries to connect to inverter)
        • Portable Predator 3500 gas generator – 25-amp output
        • Air compressor 150 psi
      • Driver’s side middle compartment:
        • Tool area with tool chest
      • Driver’s side last compartment (pass through):
        • 75-gallon grey tank with grey tank heater and foam board insulation underneath
        • Sewer hookup with 15’ sewer hose
      • Passenger’s side first compartment (pass through):
        • Currently being used for extra oil, painting supplies, etc.
      • Passenger’s side middle compartment:
        • Space for storage of personal items
      • Passenger’s side last compartment (pass through):
        • Built-in shelves for storage (we used it to store our power tools and ladder)
  • Work that still needs to be done (price reflects this):
    • The inside ceiling will likely need to be replaced at some point. The fiberboard has swollen in spots due to condensation and minor roof leaks (leaks have been repaired).
    • Minor oil leaks
    • Currently the tail lights and side clearance lights aren’t working (headlights, brights, brake lights, and turn signals work great)


Let us know if you would like to see additional pictures, or as is mentioned above, a video walkthrough. Thanks for looking!

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