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TERMINATOR: The Largest Vacuum Tanker Launch

Hydro Cleansing are launching their newest vacuum tanker TERMINATOR at the CV show on Tuesday 26th April. It’ll be the largest vacuum tanker on the largest Scania Chassis ever built in the UK. It’ll be taking on the largest wet waste disposal projects in Europe!


With the Super Sewer being built in London to take over from Bazalgette’s revolutionary sewer system built in the 1850’s, there is a need to develop efficient ways to maintain this incredible feat of engineering. Super Combination Vacuum Tankers currently fulfil this role and these are few and far between. With the Super sewer having depths of up to 100m, the majority of these tankers will need to evolve, to manage the risk of flooding to these sections of the sewer.

Vacuum Tankers themselves have been round for over two centuries. The first of them was an awesome step forward in Georgian engineering. The Georgians created a vacuum on horse drawn trailers; the most well known of these was a Merryweather vacuum tanker.

In simple terms Vacuum Tankers draw up liquid waste by creating a vacuum within a tank.

Hydro Cleansing, based in Croydon, have been at the forefront of the innovation of these units for over a decade.

Megatron, built in 2010, was a revolutionary vehicle. It was the most powerful vacuum tanker at the time and many questioned whether it would work. It surpassed every expectation. Jobs that would have taken weeks, took days.

Normal combination tankers have a mechanical pump rotary vein. Hydro Cleansing’s super combination tankers feature liquid ring vacuum pumps to ensure a powerful vacuum is maintained. What is required of the unit varies but for the toughest pump station empties Hydro Cleansing’s Megatron unit can move 6000 cubic feet of air per minute. This creates astoundingly efficient and powerful vacuum suction.

The newest vacuum tanker on the block is Hydro Cleansing’s Terminator, being unveiled at the Commercial Vehicle Show, week commencing 25 April, at the NEC in Birmingham.


Terminator is an international collaboration. Built and designed in the UK, on a Scania Chassis and with Kasier parts, it again raises the bar for vacuum tankers and increases the potential for future construction projects.

The Super Sewer’s maintenance will be catered for as well as other similar projects throughout Europe by Hydro Cleansing’s Terminator. It continues the innovation within the Drainage Infrastructure established by Bazalgette over 150 years ago.

Amazing terminator tanker

VIPs and Pi Day: The Circle of Wet Waste!

Today we have important American visitors from Rain For Rent. This company is a leading provider of temporary liquid handling solutions including pumps, tanks, filtration and spill containment. Their projects range from flood relief to construction site dewatering, sewer bypasses and industrial plant turnarounds. The company is known for its systems engineering expertise and its ability to tackle complex jobs cost effectively. Family owned and operated since 1934, it serves all 50 states of the USA, Canada and the UK from more than 65 locations.

In honour of them we’re celebrating Pi day! The American calendar reads today as 3.14, the initial figures of Pi. It is the crucial mathematical constant ratio between the circumference of a circle and its radius. Circles are a key element in the construction of our cylindrical tankers. We also have a cyclical nature to our wet waste management.

Hoad and Lake

John Lake, Director of Rain for Rent and Hydro Cleansing’s Director Steve Hoad.

Our innovative tanker Megatron has an elegant cycle which allows for continual work. The beast vacuum sucks in wet waste its recycling unit sifts the water from the other elements of the waste and uses it to continue its high pressure jetting.

rain for rent
water cycle









The water cycle is a beautiful thing in nature. We contribute to its fluid movement through modern life, in keeping sewers flowing, recycling waste water and much more. As people innovate, water is used in increasingly innovative ways. From harnessing its power to employing it in construction; it is essential in almost any endeavours. Society squeezes every benefit out of water, and it is often left as waste: sludge, slurry, faecal waste etc. At Hydro Cleansing we take these waste products and return them to purified water.



The water cycle flows through both of our businesses and HCL puts it back into its pure form.



M25/M11 Closure and clean-up

Hydro Cleansing were called to a major incident at the M11 junction of the M25 at 12pm on 5/11/2015 by Connect plus the management company for the section of the motorway.

Hydro Cleansing vehicles including Mega Heat, a specialist high pressure jetting unit which utilises heated water to clean the toughest materials away, were on their way to the scene within an hour.

Our teams have been cleaning and removing approximately 24 tonnes of Lard from the carriageway. The lard is spread over a large area and has created a serious hazard by reducing the levels of tyre grip on the road surface. This has resulted in a driving surface akin to an ice skating rink.

Hydro Cleansing have had a team of 8 men working through the night in severe weather conditions. Hydro Cleansing have provided Welfare units and relief vehicles and continue to support the clean-up effort and those affected by it.

Hydro Cleansing is very proud of the efforts of our team who have performed beyond any level of expectation. They will not leave the site till the road surface condition is suitable and safe for motorists to use again.


Steam Cleaning Road

High temperature steam cleaning to remove Lard from the road surface

Lard cleanup m25

Mega-Heat and a Combination unit working together to remove 24 tonnes of lard

Removing Lard from the road

We have specialist equipment to insure that all contaminants are removed from the road surface