The semi-hydraulic TR35 top hammer drilling rig to West Africa

Aug. 28, 26

The semi-hydraulic TR35 top hammer drilling rig, designed specifically for rock blasting operations in open-pit and underground mines. The new model combines proven pneumatic hammer technology with a compact, fuel-efficient hydraulic system, offering a cost-effective solution for medium-scale drilling tasks.

The semi-hydraulic TR35 top hammer drilling rig to West Africa

The TR35 stands out for its unique pneumatic-hydraulic hybrid design. While most conventional rigs rely on large, energy-intensive compressors, the TR35 requires compressed air only for the top hammer itself. All other functions – including feed, rotation, and boom movement- are powered by a hydraulic system. This means the rig can be operated with a small, portable air compressor, significantly reducing equipment footprint and initial investment.

The semi-hydraulic TR35 top hammer drilling rig to West Africa

Fuel economy is another key selling point. Field tests show that the TR35 consumes just 5 to 10 litres of diesel per hour under normal working conditions, making it one of the most thrifty rigs in its class. The low hourly burn rate translates into substantial savings over a full shift, especially for mines running multiple units.


Dust management has also been addressed. The rig comes factory-fitted with a high-efficiency dust collector that captures particulates at the drill hole, helping operators comply with strict environmental and occupational health regulations without the need for external water spraying systems.

The semi-hydraulic TR35 top hammer drilling rig to West Africa

In addition, the TR35 is equipped with a mechanical injector that ensures precise fuel delivery to the engine, further optimising combustion and reducing emissions. The injector’s robust design also minimises maintenance downtime, a critical factor in harsh mining environments.


The machine is being shipped to mine sites in West Africa, where a major customer’s project is already mobilised and waiting for the rigs to break ground. Upon arrival and commissioning, the drills will be put straight to work on blasting operations.


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