With outstanding off-road ability, comfort and reliability, the Mercedes Unimog is an exceptional platform for an Expedition Vehicle.
The SLRV Unimog U 4023 / U 5023 is the answer for those who like to conquer the roughest terrain – in complete luxury. The build incorporates SLRV’s 60mm fully insulated composite construction with double glazed gas filled glass windows – perfect for any climate. Luxury interiors are complemented by a wide range of high-end fixtures and appliances – making this one of the most comfortable and capable expedition vehicles in the world.
The SLRV U 4023 / U 5023 is available in numerous configurations and floor plans – including full ensuite models – and can be fully customised to suit your exact requirements. Explore places you never thought possible.
The compact living space of the SLRV Unimog U 4023 / U 5023 has been designed to create a spacious, open feel, with all the modern features and appliances you would expect of a small unit. Its luxury feel is created through the use of high-end materials, including Cushioned headlining, leather lounge options, modern cabinetry and solid surface benchtops. Interiors are available in various configurations.
SLRV vehicles can be fitted with an almost endless range of features and appliances, including diesel and gas cook tops, water and room heaters, washing machines, entertainment systems and more. The new under bench ‘side by side’ marine compressor fridge creates a huge amount of additional bench space and adds to the open feel.
The electric lift up bed configuration optimises available internal space by incorporating both the bed and large club lounge into one area. Conveniently located out of the way towards the roof, the bed can be lowered to a sleeping position at the press of a button. An electric bed also allows for bunks to be fitted for a family layout.
If you prefer a separate fixed bed, the Unimog can be fitted with an East-West bed configuration.
SLRV’s Unimog body can incorporate a luxurious ‘full ensuite’ with separate shower, toilet and vanity unit. The wash basin is incorporated into the solid surface benchtop for a seamless finish.
No matter what your interior style is, SLRV have you covered. With a range of interior finishes including:
You’re sure to find a style that makes you feel right at home.
An Expedition Vehicle by definition, should not only reach remote locations it must allow its occupants to stay for extended periods. To do this, the vehicle must incorporate a power system that verges on self-sufficiency. Let’s have a look at how the SLRV Unimog u 4023 / U 5023 incorporates cutting-edge design and the latest technology to do just that!
SLRV are proud partners with Mastervolt – the world leaders in Lithium battery systems. The MLI Ultra series is designed to enjoy all the best properties of Lithium Ion technology in the harshest conditions. These high-performance batteries are ideal for running heavy loads for long periods and short charge times. The battery actually communicates with the charging system, ensuring safety and performance is maximised at all times. With up to 70% saving in space and weight, these are the ideal choice for any expedition vehicle.
Multiple charging sources are crucial for any expedition vehicles power system. Solar cells play an important role in keeping your system charged when no other source is available. A good array of panels will, in fact, keep the basic appliances in the Unimog running self sufficiently – given a decent ray of sunshine.
With a high-end Mastervolt Lithium battery system and a good set of solar panels, a generator is not regularly required. It does, however, provide a valuable backup source for charging the batteries during an extended period of overcast or rainy weather. It even comes in handy for running certain appliances – including your air conditioner. Generators can range anywhere from a small Honda 2.0i to a large built-in Diesel unit.
Charging your house batteries from your truck is done via the alternator and a DC DC charger. The amount of charging time available depends a lot on your style of touring. Some move camp every day, while others spend weeks at any particular location. Therefore it is vital to make the most of the available charge time while on the move. The SLRV electrical team have developed a system that can give up to a 120 amp charge. This can charge a Mastervolt lithium battery system from flat to full in as little as 4 hours.
Another way of utilising available power sources is to incorporate diesel appliances. Units such as cooktops, water heaters, room heaters and even diesel-powered ovens can provide a very efficient source of heat for cooking and comfort.
Water is undoubtedly our most precious commodity when remote touring. An Expedition Vehicle must not only hold ample water for its passengers, it has to aid in the conservation of water. This, in turn, allows you to remain out in the wilderness for longer. The SLRV team have designed a system that will do just that. Let’s have a look how it works.
To store and conserve water, the SLRV system incorporates multiple tanks – arranged in series of separate ‘cells’. By doing this, various quality water can be stored in separate tanks and accessed for specific uses – ultimately enabling you to conserve your water. This intelligent system allows you to select which tank you wish to fill by the press of a switch. Similarly, inside the vehicle, you can select which tank you want to draw from. Depending on configuration, the Unimog based vehicle holds around 500 litres of water – suitable for long-term remote travel.
Ensuring you always have a safe source of drinking water is vital. SLRV have a dedicated and totally independent drinking water system – with its own filler, tank, pump, filtration system and mixer outlet. This ensures your quality drinking water remains just that – and is ultimately conserved for extended isolated travel.
All SLRV water systems incorporate a city water entry – bypassing your tanks and allowing you to connect to the mains water supply whenever available. Pressure fillers used in the SLRV system also provide added security to your water supply.
Additional water filtration, purification and reverse osmosis systems can be custom fitted to your SLRV water system. Reverse Osmosis is the ultimate filtration method, separating water molecules to produce pure water and wastewater, which contains all the eliminated contaminants.
Staying out in the wilderness for longer is the name of the game. With water tanks set up in separate cells, it is possible to isolate and store water from various sources such as creeks, dams or rivers. This can be pumped into a dedicated tank using the ‘Thirsty Boy’ – and used for tasks including showering or doing a washing cycle. The Thirsty Boy can also be used on the ‘city water entry’ circuit – bypassing tanks altogether. The Thirsty Boy comes in its own ‘tough case’ with an internal pump and power supply for complete mobility. Just hook up your water hoses and away you go.
The road less travelled is the road to Adventure!
The SLRV Unimog based vehicle is constructed using the latest in composite technology and sits on a specially engineered 3 point torsion free chassis. Let’s take a look at whats involved.
SLRV use the latest SOLIDWORKS 3D CAD software to continually develop and evaluate vehicle design. This manufacturing specific software also allows the SLRV design team to develop customised solutions for specific customer requirements. A wide variety of steel and aluminium components are then CNC cut and folded for continual accuracy and quality.
The Unimog is fitted with a torsion-free mounting system to ensure twist and strain-free mounting for superstructures. This allows the body and truck chassis to twist independently – minimising transfer of these forces into the motorhome body. This also increases off-road performance by allowing the wheels to remain in contact with the ground.
60mm composite fibreglass panels are used in the construction of the Unimogs body – for ultimate strength and cold bridge free insulation. Unlike inferior hot glued panels, SLRV panels are fully infused, which means they are manufactured under vacuum – injecting the perfect amount of resin into the fibreglass. The premium closed cell, self-extinguishing core material has a series of holes, allowing the resin to flow thru and connect the inside and outside fibreglass layers. This prevents de-lamination and adds to the overall strength of the panel.
The SLRV Unimog based body features custom double glazed, gas-filled recessed windows. The recessed design creates a flush external fit, while double glazing provides excellent insulation against the elements. Insect and block out screens are fitted internally and all windows are available with external armour plating.
All wiring throughout the unit is run in conduit for protection against wear and shorting. In fact, every electrical device has its own wiring, in conduit, the entire way back to the main circuit breaker.
SLRV joinery is constructed using the highest quality materials, fixtures and fittings – and is specifically constructed for rugged off-road travel. Cabinet carcass’ are constructed from an ultralight, waterproof and fire retardant plastic material, giving high strength and durability. Cupboard and drawer fronts are finished in a high-quality ABS plastic and are complemented by soft close drawer runners and Blum overhead stays. SLRV heavy duty compression latches are used throughout.
SLRV manufacture its own range of aluminium hatch’s. Unlike mass-produced hatch’s, they are dust and waterproof do not degrade in the sun. 60mm composite door panels open with gas strut assist and LED lights automatically turn on inside the hatch area.
The all-terrain Unimog combines more than 70 years of development experience: gantry axles, four-wheel drive, tire pressure control system, differential locks in both axles and an extremely rigid chassis make the U 4023 / U 5023 thrive even on difficult terrain.
The all-terrain Unimog is equipped with state-of-the-art Mercedes-Benz BlueTec 6 technology. The large-series-proven Euro 6 engine generation sets standards in its class and is uncompromisingly designed for environmental protection, economy and performance. However, the engine is not only used for propulsion, but also for braking: The double-cycle decompression engine brake reduces mechanical wear and makes a major contribution to cost-effectiveness.
In the Unimog, the fully synchronized electro-pneumatic transmission with eight forward and six reverse gears translates the engine power into propulsion. There is also a special terrain group with eight forward and reverse gears for slow speeds. Characteristic features are the quiet running, a long service life and high efficiency. And with the synchronized electronic turning group Electronic Quick Reverse, changing the direction of travel is accelerated.
Front, Rear and Centre lockers are standard on this unit, giving it incredible off-road ability. Diff locks forces both wheels on the diff to turn in unison, regardless of the traction (or lack thereof) available to either wheel individually.
The Unimogs reinforced portal axles with wheel counterparts ensure high ground clearance for a wide range of tasks – even off the road.
For the differential gear and the associated drive, shafts are laid upwards. Axle tube and differential are above the wheel centre. This makes it easier to get over obstacles and keep the centre of gravity low.
The Unimog features military spec Michelin XZL tyres as standard. These tyres are not only exceptional off road – they are also excellent on road.
The vehicles tire pressure for the respective application can be conveniently set in the display by pressing a button. The driver has the choice between the three pre-configured modes “road”, “sand” and “bad road” and “manual”. The tire pressure then adapts automatically. So the Unimog drives on loose ground like sand or mud with low tire pressure and more footprint. This provides better traction and less slippage. Or just economical and safe on the road thanks to high tire pressure and small footprint.
Ergonomically-designed, spacious and air-conditioned: Vibrations and jolts are suppressed due to the position of the cab which is located behind the engine. Plus, it’s 3-point mounting on rubber elements provide a relaxed atmosphere. The interior with its sound-absorbing shell and comfortable seats is equipped with generous storage areas and headroom. A pleasant atmosphere is ensured in every situation by the integrated air-conditioning unit with an auxiliary heater.
SLRV spec vehicles can be optioned with an additional diesel fuel tank for extended range.
SLRV’s custom aluminium expedition roof rack provides additional storage area over the cab of the truck. It also features a side access ladder, spotlight mounts and side bars to protect the windscreen from tree branches.
The Unimog can also be fitted with a hydraulic winch and winchbar for recoveries.
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