Bucher CityFlex CM40 - FG21 TYK
SpecialistBucher CityFlex CM40 Vacuum Combination Tanker
64328kms, MOT Aug 2026, Mercedes Atego 13.23
The Bucher CityFlex CM40 is a powerful and compact combination sewer cleaner designed for efficient drain, sewer, and street maintenance in busy urban environments. Built on the robust Freightliner M2 106 4x2 chassis, it combines exceptional manoeuvrability with industry-leading jetting and suction performance, making it ideal for navigating narrow streets and working in restricted spaces.
Powered by a Detroit DD8 diesel engine delivering 260 HP through an Allison 3500 RDS gearbox, the CM40 offers reliable, fuel-efficient operation. Both the high-pressure jetting pump and vacuum pump are hydraulically driven, ensuring maximum performance and reduced maintenance.
Dawsongroup offer both hire and purchasing with all of our vehicles and as a matter of fact are able to also offer financing too.
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The unit features a corrosion-protected finish to C3 classification, with an aluminium flat-roof cab, aluminium mudguards, and aluminium cabinets with painted shelves for long service life. Its powerful combination of jetting and vacuum functions makes it suitable for unblocking pipelines, emptying gullies, and general sewer maintenance.
Dimensions & Weight:
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Length: 304 in (7,721 mm)
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Width: 94 in (2,380 mm)
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Height: 112 in (2,846 mm)
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Wheelbase: 180 in (4,575 mm)
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GVW: 26,000 lb (11,793 kg)
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TARE Weight: Approx. 19,380 lb (8,790 kg)
Key Specifications:
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Chassis: Freightliner M2 106 4x2, 106” BBC flat roof aluminium cab
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Engine: Detroit DD8, 260 HP, diesel
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Transmission: Allison 3500 RDS automatic
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Power Take-Off: From engine and/or gearbox
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Jetting Pump: Hydraulically driven
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Vacuum Pump: Hydraulically driven
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Finish: Undercarriage in grey, cab/tank in white, tank paint thickness 200–300 μm, other components 100–120 μm
Ideal Applications:
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Sewer and drain cleaning
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Pipeline unblocking
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Street and gully maintenance
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Urban infrastructure upkeep
Why You Should Hire/Buy This Machine:
The Bucher CityFlex CM40 delivers the perfect balance of power, efficiency, and manoeuvrability. Its compact footprint allows access to tight city streets while still offering high-capacity jetting and suction performance. This means less downtime, faster job completion, and lower operating costs. Built for durability with corrosion-resistant materials, it’s a long-term investment that can handle demanding workloads day after day—making it a smart choice whether you’re adding to your fleet or hiring for a specific project.


