Construction: Quantum Off Road
EXCELLENCE BY DESIGN
- Very light weight – only 1650kg but fully off road
- Simple to operate – no complex mechanisms to break down in remote areas
- Independent trailing arm coil suspension and dual shocks for ruggedness and reliability in all conditions
- Effortless set-up. The roll out awning system can be operated in minutes – whether overnight or for roadside stops
- External kitchen with optional internal cooking when required
- Access to full kitchen, pantry and fridge while on the move
- Ability to access all internal storage and toilet without popping the top
- Up to to 320 litres of water storage, including 2 x jerry cans, plus River Access System
- Solar system, enabling batteries to be constantly charged and ready for use
- Luxury 8” inner spring queen size mattress
- Insulated internal space and double glazed windows
- Generous internal and external storage
- Large windows and fly-screen security door for great ventilation
- Superior suspension – independent coil sprung trailing arm with twin EFS offroad shock absorbers for ultimate control in extreme conditions
- Toilet and cooking areas separated for privacy
- Choice of internal and external shower
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FEATURES
Chassis
Constructed from high tensile Supagal steel. Being twice as strong as hot dipped galvanized chassis thus achieves a lighter, stronger chassis. All suspension components are laser-cut for accuracy.
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Suspension
Independent trailing arm coil suspension, adjustable for camber and toe-in – an advantage in eliminating tyre wear. Twin EFS offroad shock absorbers on each wheel provide ultimate control in extreme conditions, resulting in less stress on each shock and extending the life of all suspension components. This suspension is based on the legendary Odyssey suspension proven in extreme conditions throughout Australia. It has also been proven on previous prototype models for distances over 80,000km.
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Water Storage
The QUANTUM OFF ROAD comes standard with 2 x 140 litre tanks. These are extremely tough food grade poly with armour-plated sides, front, bottom and back, providing peace of mind that they are protected from damage. This massive water capacity enables you to camp in remote areas for an extended time.
A river access system is also fitted, allowing you to pump from a stream through the hot water system for a long hot shower. A dual cartridge water filter is standard.
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Body
Floor being aluminium is impervious to moisture and rust. Light weight hardwood ply is used in walking area, with a quality vinyl floor covering.
Side walls are welded 25 x 25 RHS aluminium tube frame and 50 x 25 aluminium tube. Top edge sections are aluminium extrusions. External cladding is aluminium composite 4mm thick, powdercoated both sides. Lower cladding is chemically shined 1.6 ml propeller plate. Internal cladding is Duralite™, providing a totally waterproof and insulated interior.
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Roof
Welded aluminium side section and central panel is a one piece composite light weight fiberglass unit specially moulded for the QUANTUM. Internal covering is a specially melded fabric velour in subdued tone. |
Roof Actuation
Mechanical internal over-centre catches and 4 x external scissor lifts provide the power to support and lift the roof. The Roof section is made vibration proof by using a 3M EDPM hollow section dust seal and 6 x stainless steel adjustable over-centre catches.
This is an extremely easy, quick system and negates the need for complex mechanical/ electrical mechanisms and provides and totally dust and water-proof top. |

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Windows
2 x large Dometic windows, double glazed with integrated roller blind and flyscreen and 7 x windows in the poptop skirt enable excellent ventilation. The door is a dust proof Trilock with a full Amplimesh security screen and locking mechanism for your safety.
Access can be gained without the need to pop the top or extend the awning so the entire internal section, including the toilet, can be used while travelling. Even the toilet can be accessed en route, obviating the need to use questionable public toilets or go into the bush. |
Internal Comfort
Step into a dust free environment with an elegant European styled interior. |
Bed
Full queen size 8” inner spring Australian made premium mattress with 5 year warranty – breathes and expels moisture unlike a foam mattress.
The sleeping area has large windows for cross ventilation.
(For those with specific requirements a mattress of your choice can be provided.) The bed can stay made up at all times.
Totally dust and water-proof interior ensures total comfort at all times. There are individual LED bed reading lights and space beside the mattress provides a place for books, spectacles, water bottles etc.
Why should you sacrifice a good night’s sleep just because you want to go camping? The QUANTUM ZS uses an 8” full queen size inner spring mattress – just like your mattress at home. The bed base is made from sealed hardwood timber – a natural insulator unlike plastic composites that require artificial heating. The timber base is also carpeted to further enhance insulation. The mattress is vented along both sides to allow air circulation, making it much cooler than foam which can be hot and sticky in warm weather.
The bed can be fitted with under-lays and can be left completely made up. The mattress comes with a 5 year Australian manufacturer’s warranty.
The sleeping environment is cozy and warm in winter and well ventilated and cool in summer. This comes from having insulated walls and double glazed windows and the fact that is wholly within the van rather than extended from it
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Lounge
The lounge area is made very comfortable with generous size seating and quality fabric upholstery, making it warm in winter and cool in summer.
2 x large internal lounges can be converted to a child’s bed (optional) and are upholstered in premium velour fabric for maximum comfort in hot and cold weather. A removable table creates a versatile use of space. 240 volt and inverter power are conveniently located for use of a laptop, as are individual LED reading lights. |
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External Storage
A 700 litre external drawer accessed from the RHS provides space for chairs, tables, mats, canvas walls, buckets etc. Space for poles and fishing rod storage is located in the front nose panel. |

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Internal Storage
A large multi-drawer rear cabinet provides lots of space for clothing. Further under-bed and under RH seat area is available for bulky items. Additional gear can be stored in the floor area if required. |
TOILET/SHOWER
The toilet/shower is also a luxury unit. A side benefit of the external kitchen is that toilet and kitchen zones are separated, giving much greater privacy.
A hot shower at the end of a long days drive is a true luxury and with the QUANTUM you can rally enjoy your shower with the extremely generous (280 litres) water capacity available, enhanced by the River Access system. The shower is a one piece fiberglass unit with a smooth, easy clean white gelcoat finish. A gas hot water system is installed in all QUANTUMS to give you hot water very quickly, with very efficient use of gas.
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HOT WATER HEATER
The hot water heater is a very efficient gas operated German made Truma unit that is plumbed to both shower and kitchen. The benefit of this system over diesel systems include:
1. Much quicker to heat – just 10 minutes gives you enough for a couple of hot showers and a hot wash up. Because it heats so quickly the system can be simply turned on just before use.
2. Very efficient on gas. Supplier of this unit, Dometic indicate consumption figures as follows: with 15 minutes useage daily one (1) 4 ½ kg gas bottle would last an extraordinary six (6) months.
3. Whereas the gas hot water system is completely odourless, diesel systems are smelly and waft noxious diesel fumes through either your own or your neighbour’s camp site depending on wind direction.
4. Being a single stand alone unit it makes more economical use of space whereas diesel units typically use 3 sepatate components which take up more space inside the camper body.
5. Safety is also a consideration. The LPG system is used by 99% of the caravan industry and has been proven over many years to be safe and reliable.
When hooked up to the river Access System you can enjoy unlimited hot water showers pumping from a creek or lake.
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Lighting
7 x individual LED lights around the internal perimeter make for a beautifully subdued but practical lighting source. There is also 1 floor LED night light, external kitchen lights, storage and side lights on the RH side. |
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TV/RADIO
The QUANTUM is wired for TV, both inside and outside and an MP3/Radio/ CD player is supplied with 2 x speakers. |
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Cooking
The QUANTUM has been fitted with a state of the art external stainless steel kitchen.
Benefits of having the full kitchen and pantry outside include:
- Cooking inside is very hot and can be extremely unpleasant in hot weather. Cooking outside under the large awning is much more pleasant
- Cooking odours and airborne fat are problematic with internal cooking – like cooking in your bedroom.
- Cooking outside is much more sociable and the cook is not excluded– chat with your friends while you prepare meals
- Everything is in one place i.e. drinks, nibbles etc so your kitchen is not half inside and half outside.
- Creates much more internal space and allows for much greater privacy with distinctly separate zones for bathroom/toilet area and kitchen.
A small cook-top with a glass lid can be fitted in the rear vanity bench if required. This enables the lid to be used as bench space when the cook-top is not required.
Fridge/Freezer
DEVELOPMENT OF THE EVAKOOL 82L FRIDGE
At Australian Off Road Campers we strive for constant innovation and the requirement had arisen to move to a larger
fridge/freezer across the range of Odyssey and Quantum campers.
We have always had outstanding results with our Evakool 60L fridge/freezer we approached Alan Smith at Evakool
to help design and manufacture a new 82L unit. After the case size was designed a modification of the fridge opening
on both the Odyssey and the Quantum was undertaken to accommodate the larger fridge.
The 82L fridge uses a complete evaporator in the freezer section and a larger Danfoss BD50 compressor which i
s now mounted on the back side of the fridge in order to maximize the fridge area. A digital control panel is
installed to give accurate settings and readout. The freezer size is increased to 30 litres and the fridge compartment
is 50 litres. The current draw is kept to a minimum of about 2.5 amps per hour.
Customer reaction to the new unit has been very positive and we are pleased to be able to work with Evakool to custom
design our new fridge/freezer.
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Heating/Cooling
Insulation is optimized in the QUANTUM with modern composite wall and roof materials. Heating and cooling can be achieved with the use of an under-bunk reverse cycle air-conditioning unit which can be powered either with 240V or with a 2KVA generator. This system is totally silent and does not detract from the total height of the vehicle or increase windage. The air-conditioner operates with the touch of a button.
Diesel heating can also be installed and does not require 240V or a generator, so can be used in remote areas and national parks where generators are not permitted. |
Weight/Height/Width
Achieving the lightest weight possible (just 1650kg) without comprising strength has been achieved using a simple design structure without complex mechanisms prone to failure in remote areas. The benefit of the light weight construction is that it maintains full off road versatility and minimizes fuel consumption.
Height was a design consideration. At 2200 closed it equates with the height of a raised 4WD with outback roof rack, an important factor in reducing windage and thus fuel consumption. Ride height is maximized and ramp over and rear exit angles exceed most 4WD capacity.
Width was also a design consideration. At 1950 wide, internal comfort is maximized while still maintaining the same width and tracking as a 4WD. These dimensions also allow the Quantum to follow your 4WD safely through tight bush tracks and allow rear visibility without the need for extension mirrors.
All materials are the best available, from the high tensile chassis and suspension components, to the light weight aluminium and composite construction throughout. |

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Electrical
The Quantum has a state of the art 12 volt system. 2 x 120AMP deep cycle batteries provide 240 AMP hours of power, enough to power the 82L Evacool fridge/freezer for up to four days. Add the 2 x 90 watt solar panels on the roof and you have unlimited 12V power. The digital solar regulator indicates battery voltage and ammeter readings at all times. All lights are LED, 9 in all provide low wattage/high energy lighting.
The 240 volt system charges the batteries through a 25 AMP Projecta 7 stage battery charger, widely considered to be one of the best battery chargers available.
The 150W pure sine inverter has 2 x remote power points, at the table and the back cabinet. This provides power for laptops, TV, shaver and recharging phone batteries etc. Higher capacity inverters can be fitted if required.
The 12V Flojet pump draws from either front or rear water tank or through the River Access system.
The gas hot water system has a 12V Piezo ignition and there is no pilot light for safety reasons.
The four power systems available are 12volt, solar, 240 volt and gas, with the batteries also charging through the alternator while connected to the tow vehicle. These systems enable you to have the true off road experience in total comfort but are extremely simple to operate. |
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Awning and Annexe
Set up is effortless. A roll-out awning is very quickly deployed and provides cover for either quick stops or longer stays. Walls can be added for additional shelter if required. A full wall set is available with windows and doors, all fly-screened for your comfort. This includes a second external awning room, thus doubling the size of the awning area. A large annexe matting is also provided. |
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Outside Comfort
Stop, roll out the awning and pull out your gourmet kitchen and everything is ready for a great evening under the stars. The luxury of the QUANTUM can only be experienced to be believed! |
BENEFITS OF ELECTRIC DRUM BRAKES
There is ongoing debate about the virtues of electric drum brakes versus over-ride hydraulic. We consider that the over-ride mechanism is not suitable for extreme off road conditions and as a lot of our trailers are used in this manner, to use anything but an electric brake would be irresponsible.
The over-ride mechanism works when the brakes are applied to the vehicle, but in a reactive manner. While this may sound OK the problem comes when you do not want them to work, or you want to be able to adjust the braking on the trailer specifically for high speed dirt road driving, or for wet or very steep conditions. In this case we increase the trailer braking above normal so the trailer is actually assisting the 4WD to pull up. This ensures the trailer brakes are activated in a straight line in emergency situations, i.e. unmarked drainage dips, animals on the road or even a puncture at speed. The over-ride brake cannot be adjusted in this situation and its on-off actuation can actually tend to throw the car about and cause possible roll-overs of car and trailer.
The only advantage of the disc brake is that it dissipates heat more quickly than a drum brake. The only situation ever encountered where this is an issue is on a long downhill descent on sealed roads. Most of these descents are signed for trucks to use low gears, thus using the engine as a brake. Regardless of your braking system, if you are towing up to 2000kg of trailer down a steep, long incline, you should be in as low a gear as possible and applying the brakes only intermittently. This is responsible driving. Only when the over-ride mechanism is electrically controlled is it acceptable and this becomes a very expensive option.
Australian Off Road Campers have up to 320 litres of water storage which means if you are travelling with empty tanks the unit is 320kg lighter than it would be with full tanks. If you are travelling in the rain or in sand, it is much safer to be able to electrically adjust the trailer braking to suit the trailer load and track conditions.
In extreme off road situations such as the Victorian High country or the tracks of Cape York, adjustable braking is essential. If you are traversing a muddy or slippery track with little traction and a steep incline an over-ride brake will lock up completely and pull you into a gutter or worse – off the side of a cliff. The electric brake is adjustable to prevent this scenario.
If you wish to reverse up an incline to do a 3 point turn the over-ride brake will again lock up, causing more dangerous problems. When backing down an incline the over-ride brake does not actuate, whereas the electric brake works normally and is still adjustable.
When driving through water or mud the electric drum brake is self cleaning and self draining. It is used by 99% of the caravan/camper industry, both off road and on road. When coupled with a digital Teconsha Prodigy brake controller they are very reliable and extremely safe to use.
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