Container Lifting Equipment

Container Lifting Equipment Buying Guide

Start with how you reach the container. Every product in this hub answers one of three questions about a container. If a crane or hoist picks the box from above, you need something that engages the four top corner castings and holds the pull straight, which is container lifting slings and rigging for the corner hardware and container spreaders and beams for the frames that carry the weight. If the container is already on the ground and just has to slide to a new spot, that is container moving carts, where steel skates roll it without a crane at all. Sort by the reach first, because a shop with a forklift but no overhead crane buys completely different gear than a yard with a gantry. Only then do capacity and container size narrow the shortlist.

Top lift by the corner castings: lugs and the ISO rule. A container lifting lug is the simplest way to hang a box from a hook. Each lug drops into the oval aperture on a top corner casting and turns a quarter turn to twistlock, with a pin that keeps it from backing out, so a set of four turns the container into a four-point pick. The Camlok set of four is rated 123,480 lb for the group, about 30,870 lb per corner, while Tandemloc's 20901AA lug carries 25,000 lb and its rotary lug 33,600 lb. The catch is geometry. ISO 3874, the standard for handling freight containers, says a packed container lifted by the top corners needs a spreader or vertical slings, and angled slings pulling inward on the castings are not allowed. Lugs alone give you the connection, but you still owe the box a vertical pull, which the next two sections handle. Find the lugs in container lifting slings and rigging.

Bottom lift and load levelling. Bottom lifting picks the container from its four lower corner fittings instead of the top, which is the move when the top corners are blocked, stacked on, or you want the lowest possible headroom. It carries the same rule in reverse: the sling legs cannot simply run up to a single hook, because that drags them inward against the container top rails and crushes them. A load levelling bottom lift sling solves it with built-in geometry that keeps each leg clear of the box and shares the weight evenly across the four corners. The Tandemloc load levelling bottom lift sling for ISO containers is rated 67,200 lb, matching a fully loaded box, and sits in container lifting slings and rigging alongside the lugs.

Spreaders and frames: keeping the pull vertical. A spreader holds the four lifting lines vertical so the corner castings see only the load they were designed for. Container spreaders and beams is the deepest part of this hub and splits by how you power the lift. For crane and hoist work, the Tandemloc ISO container spreader beam carries 67,200 lb, and the Autoloc lifting frames go further: they drop onto all four top corners and twistlock automatically, so one operator lands the frame and lifts without climbing the box, rated from 70,000 lb on the standard Autoloc up to about 70,500 lb on the modular version. Lighter and adjustable options include the AT14 telescopic beams from 2,000 lb and the AL50 combination beam at 10,000 lb. For a forklift or reach truck with no overhead steel, fork-mounted spreaders let the truck top-pick a container directly, from a 10,000 lb multi-pick beam up to a full 40 ft forklift spreader rated 84,000 lb.

Moving a landed container without a crane. Once a container is on the ground, moving it a short distance does not need a crane at all. Container moving carts covers machine skates that fit to the box and roll it on hardened steel wheels. The HTS ECO-Skate ISOCON system is built to grab a container's corner geometry and is rated 140,800 lb across the set, enough to walk a fully loaded box across a warehouse or yard with a tugger. Skates are the cheapest way to reposition a landed container by a wide margin, and they turn one or two people into a moving crew, provided the floor is flat, hard, and clear. They lift nothing off the ground, so pair them with the top-lift or bottom-lift gear above whenever the container has to leave the floor.

Rating, marking, and the standards that apply. Three standards frame this whole category. ISO 1161 sets the dimensions and strength of the corner fittings themselves, which is why hardware from different makers fits the same box. ISO 3874 governs how you handle and secure the container: top corner fittings are the recommended lifting points, and the vertical-pull rule that shapes every choice above comes from it. Anything that hangs below the hook to lift the load, meaning the spreader beams, the lifting frames, and the lugs used as a lifting device, falls under ASME B30.20, which covers marking, construction, testing, and inspection. In practice that means each device carries its rated load and serial number, gets proof tested before first use, commonly to 125 percent of its rating, and takes a documented periodic inspection on top of a visual check before every lift. Buy the device rated for your heaviest full container with margin, confirm it against your container size, and keep the test paperwork with it.