Storopack

Hyundai Construction Equipment has unveiled a completely new line of A-Series wheeled excavators, powered by EU Stage V diesel engines. The four machines, with operating weights of 14-23 tonnes, feature low emission Cummins diesel engines with a combined after-treatment system and no requirement for EGR, offering customers increased productivity, with lower emissions.

The revised line-up starts with the HW140A, weighing in at 14,900kg with a monoboom and 15,860kg with a two-piece main boom. This machine shares much of its undercarriage and upperstructure with the HW160A, with weights of 17,580kg/18,390kg. A compact radius HW170ACR is offered exclusively with a two-piece boom, at 18,810kg and the range is completed with the HW210A, at 22,270/23,665kg.

The HW140A, HW160A and HW170ACR are powered by a 4.5-litre Cummins B4.5 diesel engine, replacing the larger 6.7-litre engine in the previous generation of machines. Using a wastegate turbocharger, this compact engine has a Flex-Module two-can exhaust system, comprising a Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR). There is no requirement for Exhaust Gas Recirculation (EGR), reducing service cost for customers, while the smaller engine is more fuel efficient than its predecessor.

Despite the reduction in engine capacity, the new machines benefit from an increased output, with the HW140A, HW160A and HW170ACR now all delivering 129kW (173hp), up from 117kW (156hp) on the previous generation HW140. This drives the machine through a Rexroth load sensing hydraulic system, with load independent flow control for consistent machine operating speed and improved controllability for the operator.

The three machines feature a redesigned stacked cooling module, making it easier to keep clean. A hydraulically-driven reversible cooling fan is now standard, reducing any risk of overheating and minimising downtime for cleaning and maintenance.

 

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