Heavy Haulage Crane: What is it and When Do You Really Need It?

October 7, 2019

Think of a heavy haulage vehicle as an oversized cargo transportation truck. It’s likely equipped with a reinforced chassis, a mighty suspension system, and multiple axles. Outfitted with an unconventional but sturdy undercarriage, these hulking transports can carry truly taxing loads. On carrying over that reinforced structural physique to crane design, we get a fleet of “grunt work” heavy lifters, which can pick up and convey impossibly weighty payloads.

Employing Multi-Axle Undercarriage Equipment

Of all the available types of cranes occupying the heavy lifter hire sector, heavy haulage cranes are the largest. Here’s a vehicle class that doesn’t have some ambiguous role to play in a load transportation project. Just the contrary, the 8 or more wheeled chassis and large-knobbed tyres are proof enough. The multitude of axles, the oversized wheels, the single-storey high, steel-reinforced vehicle framework, all of these features exist to provide a monolithically gigantic support frame. Whether the crane rigging and boom are set up to hoist an oil refinery pressure vessel, a huge section of structural steelwork, or a heavy bridge section on a civil engineering project, it makes no difference, a heavy haulage crane handles the oversized burden.

Navigating Road and Site Obstacles

While a compact four-wheeled crane truck winds between sites on a regular highway while carrying building materials, heavy-duty cranes can’t easily emulate that feature. That’s not a true handicap, however, for these heavy lifting vehicles were never designed to navigate ordinary streets and byways. If that role does crop up during a long-distance project, expect road safety vehicles and police cruisers to accompany the lift while it’s on a normal stretch of highway, for heavy haulage cranes need escorts when they’re crawling forward with their multi-tonnage loads. By the way, don’t expect the crane to utilize a multi-section latticed boom, nor a single strand of steel cable. Equipped for conveying a heavyweight cargo, solid booms and intricate rigging configurations keep the payload stable.

It’s true that these heavyweight mobile cranes are not the speediest vehicles in a hire crane fleet. But they’re not meant to be fast. Unambiguously intended to be slow but deliberate, these cargo carriers are wide-based and equipped with resilient lifting mechanisms. The hook assembly itself is likely as tall as a man. As for the operator cabin, this is an instance where design extravagance is encouraged. The multi-wheeled lifter might just have a regular driver’s cabin, but that glass-fronted booth could be accompanied by a second cabin, too. Used solely to manipulate the boom and crane rigging, this is the operator booth, where the heavy haulage lifting is gingerly but deliberately managed.