ZZN - Współpraca kooperacyjna oraz produkcja zespołów napędowych i elementów uzębionych. | Stalowa Wola, ul. Grabskiego 23

ZZN - Transmission Plant being a part of LiuGong Dressta Machinery Co. Ltd. with headquarters in Stalowa Wola is a dynamically developing company with traditions in production of powertrain units and toothed parts reaching 45 years. The main products of ZZN are gearboxes, steering drives, final drives and torque converters for crawler dozers, and gearboxes, final drives and axles for wheel loaders. Gears and shafts produced by ZZN are widely used in construction equipment, railway, agricultural machinery, energy and power industries and others. We provide advice in production of details and selection of the best material.


Width: from 50 mm to 1200 mm

Height: from 10 mm to 1000 mm

Length: from 10 mm to 2000 mm

Weight: from 1 kg to 5000 kg


Cast iron Cast steel high-strength black steel


ISO 9001


Turning Milling Drilling/boring/reaming Chiselling Grinding
electron beam
polishing szlifowanie trimming shot peening
hardening annealing tempering nitriding carburizing


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Stalowa Wola, ul. Grabskiego 23