Cairns S.I.M. Trans Pty Ltd is a specialist in marine transmissions and diesel engines. With more than 24 years' industry experience, we offer the highest standards of service and top-quality workmanship - and we value our level of expertise enough to maintain a full six-month warranty on all workmanship and repairs. We stock, repair and fit a range of brands, including Reintjes, PRM, Twin Disc, ZF/Hurth and Allison.


Cairns S.I.M. Trans are experts at installing and repairing marine transmissions and diesel engines.

We offer sales, service and repairs for top-quality brands such as Reintjes, Borg Warner Velvet Drive, Nigata and more.

Call us for all your transmission and diesel engine needs for marine, mining, agriculture and industrial servicing.

We offer reduced rates for major shipping companies, discounts on parts and very competitive fees for labour.