Westerfeld Engineering

About us

Westerfeld Engineering was established in 1989 by its Directors Siggi Westerfeld and Stephen O’Mahony.

Today the company has up to 8 experienced engineering and technical staff supported by highly skilled field and workshop tradespersons. The company also provides world class engineering design services through its close relationship with a number of engineering consultants.


Technical Director	Commercial Director
Siggi Westerfeld	Stephen O’Mahony, BE, CPEng
35 years experience in mining/materials handling industry including construction, erection & commissioning of major bucket wheel reclaimers, stackers & crushing plants.	25 years experience in the construction industry specialising in materials/components supply & timber handling machines


General Manager	Operations Manager
Zaffer Soemya, BE, CPEng	Stephen Chojnowski
23 years experience in the construction industry	20 years experience in gearbox and drive assembly and refurbishment

Mob: 0419 304 000	Mob: 0419 914 730