When it comes to powering the backbone of Western Australia’s heavy industries—mining, construction, agriculture, and infrastructure—you need more than just machines. You need a trusted partner. At WesTrac CAT, we’re proud to be your go-to authorised CAT dealership, delivering world-leading equipment, unmatched support, and comprehensive solutions that keep your operations running efficiently.
With decades of industry experience and a strong presence across WA, we don’t just sell machinery—we offer the complete CAT experience, backed by local expertise, dedicated service, and genuine care for your business.
As one of the largest authorised Caterpillar dealerships in the world, WesTrac is more than just a seller of machines. We’re an extension of your operation. Here’s what sets us apart:
We supply the full range of new CAT equipment, built to perform in Australia’s toughest conditions:
All equipment is engineered with cutting-edge CAT technology to maximise productivity, safety, and cost efficiency.
Need a specific machine on a budget? We offer Australia’s largest inventory of quality used CAT equipment, including:
If we don’t have it, our team will tap into our national network to source it for you.
Looking to sell? WesTrac also buys used machinery, no matter the brand. Whether you’re selling one machine or an entire fleet, our process is safe, easy, and competitive.
Sometimes, flexibility is everything. That’s why we offer a wide range of CAT rental equipment that’s ready to go and fitted with the latest technology.
Available for rent:
We offer an extensive catalogue of CAT attachments designed to increase your equipment's versatility:
Whatever the job, WesTrac has the right attachment to get it done faster, safer, and more efficiently.
We proudly supply Weiler's specialised product range, perfect for large-scale forestry and paving operations:
Talk to our experts about how Weiler products can support your next project.
When uptime matters, you can’t compromise on quality. That’s why we stock an extensive range of genuine CAT parts, including:
Engine parts, undercarriage components, and drive train parts to keep your machine in top shape.
Differentials, gears, friction materials, valves, pumps, motors, and more.
Premium CAT oils, coolants, and filters engineered to extend service life.
From buckets to rippers—our GET experts will help you match the right tool to your task.
Accumulators, fittings and adapters, hoses, hydraulic hammer components, pumps & motors, cylinder & rods, cylinder seals kits, tanks & reservoirs, tubes & pipes, valves, and hydraulic hoses of every type.
Cost-effective, like-new components covering engines, fuel systems, electronics, and more.
We offer solutions for longer lifecycle performance, such as:
Affordable used parts and custom mining solutions to keep your costs low without sacrificing quality.
At WesTrac, it’s not just about what we sell—it’s about how we support your business from start to finish. Our wide range of services ensures you have everything you need under one roof:
We’re also proud to offer FitFleet® Customer Value Agreements, designed to take the hassle out of machine maintenance and lower your total cost of ownership.
When you partner with WesTrac, you gain access to:
From pre-sale consultation to machine delivery, from maintenance to rebuilds and upgrades—we stay with you every step of the way.
We work with you to build service plans that reduce total ownership costs and maximise uptime, whether you’re running a single backhoe or an entire mining fleet.
With branches and field service teams across WA, you always have access to CAT-certified experts who understand the terrain, climate, and operational pressures unique to your site.
From Port Hedland to Kalgoorlie, Perth to Bunbury, WesTrac stands behind the industries that keep WA moving. Whether you're laying roads, digging mines, or building infrastructure, our team is by your side every step of the way—with equipment, knowledge, and support services tailored to your project.
Our extensive branch network, expert team, and deep product range mean you’re never far from the support you need.
Whether you're looking to buy new, source used, rent with flexibility, or service your fleet, WesTrac is here to power your success. Get the real CAT experience from the team that knows Western Australia and lives for the work you do.
Contact WesTrac today to speak with a dedicated sales representative about equipment, parts, or service support. Let’s get to work—together!