UM12 FHAS 500


  • Mercedes-Benz Unimog
  • Unimog heavy duty chassis
  • Wheel base 3850 mm (12′ 8″)
  • U-section frame
  • Torsional flexible load carrying frame
  • Cross country ratio transmission
  • Additional gearbox with crawler gears for hill climbing capacity over 100% grade
  • All gears usable both forward and reverse
  • Four wheel drive can be selected while driving
  • Differential locks for both front and rear axle, can be selected while driving
  • Fully protected drive train using torque tube technology
  • High mounted gear transmission
  • High ramp breakover angle
  • Portal axels for high axle ground clearance
  • Front and rear tires follow same track
  • Enhanced driving safety using coil springs, shock absorbers and stabilizers both front and rear
  • Four wheel disk brakes
  • Enhanced water fording capacity with raised engine air intake and vent openings
  • Torsion free drivers cab mounting using 3 point kinematic mount
  • Soundproofed and viabration isolated drivers cab
  • Raised drivers cab ceiling for additional equipment space and spare tire storage
  • Hydraulic power steering
  • Air brakes and power assisted clutch
  • Engine compartment easily serviced from exterior hood
  • Manual hydraulic drivers cab tilt
  • Low emmision turbo diesel engine
  • Engine oil lubrication system designed for extreme tilt and slope
  • Engine enclosure for lower noise emission


  • Mercedes-Benz approved, low 3 point kinematic attachment with main and flex mounts 
    for stress free body coupling to the torsion elastic chassis frame 

    Body unit construction
  • Self supporting UNICAT sandwich plate panels of fibre glass composite (corrosion free)
  • Panel connections made by adhesive bond to custom extrusions 
    eliminates metallic heat conduction paths
  • Matched thermal coeficients of expansion prevent distortion with changes in temperature
  • Wall thickness 60 mm (2.36″) with polyurethane foam insulation, 3 mm (0.12″) FRP outer surface, 2 mm (0.08″) FRP inner surface, insulation rating 0.44 W/m2 K (0.078 Btu/ft2 hr °F)
  • Bottom panel at 95 mm (3.7″) thickness, compound construction of plywood bottom, 
    foam body, integrated welded steel frame and surfaces of FRP 

    Access to drivers cab
  • Highly flexible waterproof bellows coupling 

    Doors and hatches
  • UNICAT door and storage hatches constructed of fibreglass composite plates and frames
  • Thickness of door 60 mm (2.36″)
  • Double sealed doors and panels
  • Heavy duty locks with seal compression
  • Stainless steel hinges throughout
  • Additional retractable bolts at top and bottom of doors
  • Safety cylinder locks all keyed alike 

    Windows and skylights
  • Burglarproof, scratchproof sidelights and skylights
  • Double insulated thermal window glass
  • Skylights can be turned 180° and stepped on 

    Sideways expanding section
  • UNICAT- expanding section, electrically driven
  • Provides over 50% more usable living area
  • Expedition proven, maintenance free

Interior layout

  • U-shaped seating unit with adjustable swivelling table in expanding body section
  • Panorama windows in the extension unit 

  • Seating unit converts to a double bed
  • Size: 1600 x 2000 mm (5′ 2″ x 6′ 7″) 

    Shower and wash room
  • Shower in entrance way with interior seperating door
  • Table with integrated sink 

  • Diesel powered ceramic stove
  • Conventional/microwave oven
  • Household size sink with single handle faucet
  • 197 l (43 gallon) fridge with ***-freezer
  • Kitchen closet with drawers
  • Hanger closets with quartz halogen lights 

  • Storage space in the seating unit
  • Clothing closet with pull-out hanger bar
  • Large laundry closet with storage spaces
  • Storage cabinets over the seating unit
  • Large exterior storage cabinets for aluminium boxes 

    Technical floor
  • Dedicated space beneath the main floor 
    for water tanks, batteries, water heaters, and electrical systems
  • Floor is removable to service equipment below 

  • All furniture is custom built to the highest cabinetmaking standard, 
    made of wood core plywood using heavy duty locks and hinges
  • Materials and finishes may be specified by customer 

  • Design and color of floor, walls, ceiling and upholstery may be chosen by the customer
  • Walls and ceiling are painted with multiple coats

Technical equipment

  • Custom control panel to control power management and liquide storages
  • Battery main switch, savety cutout, fault current breaker
  • DC power supply by battery bank, automatic I-U regulated alternator 
    and AC automatic I-U shore charger with cell temperature sensing
  • Power plugs for 12 V and 120/240 V
  • Pre-wired for solar system
  • Pre-wired for TV, video and music system 

  • Integrated low voltage quartz halogen lights 
    above the table, kitchen, hall way, shower and storage area 

    Water supply
  • 500 l (110 gallon) freeze-proof drinking water tanks
  • 22 l (5 gallon) hot water heat-exchanger
  • Freeze proof waste water tank
  • Water faucets in both bath and kitchen have removable sprayers
  • All components are built due to highest household quality standards
  • All plumbing is insulated to prevent freezing 

  • Porcelain-vacuum toilet with water flushing
  • Freeze proof sewage holding tank 

    Heating system
  • 4 stage diesel/electric-motor lost heat powered warm water central heating (2 x 5 kW), 
    with engine preheating system
  • High radiant heat share due to radiators in living and bath area
  • Antifrost system

General information

  • 11,900 kg (26,000 lbs)