Enviro-Clean, a waste management and cleaning specialist based in East Kilbride, Glasgow, recently added a new Mercedes-Benz Arocs 3258 sewer-cleaning truck to its 90-vehicle fleet. The 8x4 rigid features a single front axle, double-drive bogie, and rear-steer axle. It’s powered by a 15.6-litre, 570-horsepower (425-kilowatt) engine and has a StreamSpace cab that sports the company’s trademark green livery. The rest of Enviro-Clean’s fleet, which features five other Arocs models, includes a mix of tipper trucks, drain-jetting vans, vacuum tankers, and more.
The company’s newest addition features a 15,000-litre stainless-steel tank, a Wiedemann KW4500 liquid ring vacuum pump, and a water recycling system paired with a URACA P4 pump. The vacuum pump has a suction rate of 4,500 cubic metres per hour, while the P4 pump has a capacity of 541 litres per minute with a maximum pressure of 175 Bar. The former is coupled with a 20-metre, 6-inch-diameter suction hose, with options for 2- and 3-in. diameters, and the latter uses either a 240-m, 1 ¼-in diameter hose or a 100-m, half-inch-diameter hose.
The main benefit of the water recycling system is that it pulls water from the sewer instead of the drinking water supply, which Enviro-Clean estimates could save as much as 15 million litres of clean drinking water per year. Other features of the truck’s bodywork include onboard touchscreen and remote radio controls, a heated clothing locker, and a hot water handwashing station.
Efficient & “Driver-Friendly”
“Fuel consumption is difficult to measure in a meaningful way for a truck like this, as the engine’s PTO (power take-off) also runs the auxiliary equipment,” says Enviro-Clean Operations Manager Mark Donaghy. “However, the powertrain of this Arocs makes it one of the most efficient vehicles we’ve ever had. The steered back axle helps the driver to get in and out of tight spots, and means the truck can access locations at which a standard 8x4 would struggle. The Arocs is also very driver-friendly, with a comfortable and well-designed StreamSpace cab.”
More Mercedes-Benz Arocs Details
The Mercedes-Benz Arocs is available in two variants: the standard Arocs, which supports gross combination weights (GCWs) of between 18 and 48 tonnes and the Arocs SLT, which supports a GCW of up to 250 tonnes. Both models share the same cab specifications, including the ClassicSpace S-cab, ClassicSpace and CompactSpace M-cabs, and ClassicSpace, StreamSpace, and BigSpace L-cabs.
The six-cylinder in-line engine options range from 235 to 617 hp (175 to 460 kW), consisting of four displacement classes (7.7, 10,7, 12.8, and 15.6 litres) and 18 output levels. The high-torque design provides anywhere from 1,000 to 3,000 newton metres of torque, and the broad range helps to reduce shift operations, which in turn saves wear on the clutch and transmission.
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