A trailer-mounted EWP — also called a trailer EWP, towable EWP, towable boom lift, towable cherry picker, tow-behind lift or trailer lift — is an elevated work platform mounted on a road trailer that is towed to site behind a light vehicle or utility and deployed using hydraulic outriggers. Trailer-mounted EWPs provide boom lift or cherry picker capability without the cost of a dedicated truck, making them a practical and economical choice for small contractors, regional operators, councils and any business that needs elevated access at multiple locations without the overhead of a full truck-mounted unit.
How a trailer-mounted EWP works
A trailer-mounted EWP uses the same articulating or telescopic boom principle as a truck-mounted cherry picker, but the EWP unit is mounted on a purpose-built trailer instead of a truck chassis. The trailer is towed to site using a tow bar connection — typically a standard ball coupling or pin coupling depending on the trailer's GVM — and deployed by extending hydraulic outriggers that level and stabilise the trailer on the ground before the boom is raised.
Power for the hydraulic system is provided by a petrol or diesel engine integrated into the trailer, or — on electric models — by a battery system. Most trailer-mounted EWPs in Australia use a petrol or diesel engine for independence from site power, making them suitable for remote locations and construction sites without power infrastructure.
Working height range
Trailer-mounted EWPs are available in a range of working heights from approximately 12m up to 30m or more, depending on the model. The mid-range — 15m to 22m — covers the most common applications: street lighting, signage, arborist work, building maintenance and telecommunications. At the upper end of the range, trailer-mounted EWPs approach the working height of a compact truck-mounted unit, though typically with less platform capacity and horizontal reach.
Who uses trailer-mounted EWPs in Australia
Trailer-mounted EWPs are particularly common among small electrical contractors and arborists who need elevated access at multiple locations but cannot justify the capital cost or ongoing running cost of a full truck-mounted EWP. A single-vehicle operator can tow the trailer to site in a ute or light commercial vehicle, deploy the EWP, complete the work, and move on.
Councils and local government authorities use trailer-mounted EWPs for routine street lighting maintenance, sign installation and minor infrastructure work where the frequency of use does not justify a dedicated EWP truck but the job still requires a formal certified access solution.
In regional and remote areas, trailer-mounted EWPs are a practical alternative where the logistics of transporting a full truck-mounted unit are complex or costly.
Brands available in Australia
Nifty Lift manufactures a range of trailer-mounted EWPs widely available in Australia, including articulating models that provide good horizontal reach for working around tree canopies and building features. Platform Basket, CTE (Italian-made, available through Australian distributors), Teupen and Up Right trailer-mounted EWPs are also available in the Australian market.
When purchasing or hiring a trailer-mounted EWP in Australia, confirm that the machine's design is registered in the state where it will be used and that the current inspection certificate, logbook and operator manual accompany the machine.
Trailer-mounted EWP vs truck-mounted cherry picker
- Capital cost: trailer-mounted EWPs are significantly less expensive than truck-mounted units — no truck chassis, no heavy vehicle registration, no heavy vehicle licence required in most cases.
- Mobility: a truck-mounted EWP drives to its own outrigger position; a trailer must be positioned by the tow vehicle before the EWP is deployed. On sites with difficult access, a trailer can sometimes be manoeuvred into tighter spaces than a full truck.
- Working height and reach: truck-mounted cherry pickers generally achieve greater height and horizontal reach than trailer-mounted EWPs at the same budget. For work above 25m, truck-mounted units dominate.
- Deployment time: truck-mounted units can often set up and be operational faster than a trailer that must be unhitched and levelled. On high-frequency jobs, this adds up.
- Running cost: no separate truck registration, insurance or maintenance — the trailer's engine and hydraulic system are the only ongoing mechanical costs.
This guide is general information prepared by EWP Australia and is grounded in publicly available Australian Standards and Safe Work Australia material. It is not a substitute for the current published edition of the relevant standard or for site-specific engineering advice. Always work from the current standard and consult a competent person for your specific equipment and application.