Cleanroom Mini Crane, 400kg, Electric Tow Tractor

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FullSharp · since 1991

FullSharp supplied a 400 kg semi-automatic mini crane with electric lifting and boom rotation to a vacuum component maker whose cleanroom bans fixed overhead cranes and floor drilling. The customer hooked an electric tow tractor to the base, so the crane drives to other areas under power at less cost than a fully automatic model.

A customer manufacturing vacuum components in a cleanroom needed a compact crane to lift parts weighing several hundred kilograms from pallets onto machine tables and back. The cleanroom doesn't allow a fixed overhead crane, the epoxy floor can't be drilled, aisles are narrow, and the equipment has to be light enough for one person to move to each workstation.

FullSharp supplied a 400 kg semi-automatic mini crane: electric lifting/lowering and boom rotation, moved by pushing by hand. For this project, the customer attached an electric tow tractor to the back of the crane, so when it needs to move to another area or carry a heavy part over a distance, the crane travels entirely on electric power, without having to buy the more expensive fully automatic crane model.

400kg Semi-Automatic Push Mini Crane Paired with an Electric Tow Tractor

FullSharp 400kg mini crane in the customer's cleanroom, with the electric tow tractor behind it used to move the crane electrically.

Push or Electric: How They're Combined in This Project

Normal operation: the crane stays fixed at the working position, the operator uses push buttons to lift, lower, and rotate the boom, then pushes by hand for fine adjustments of a few dozen centimeters. Foot-brake casters lock the crane in place while lifting.
When moving farther: the electric tow tractor hooks onto the crane's base, the operator steers the tractor and drives it electrically to the new area, even with a heavy part hanging from the hook. No manual pushing effort, and no second person needed.
Cost: buying a push mini crane plus an electric tow tractor costs less than a fully automatic electric crane, and the tow tractor can also be used elsewhere in the plant, such as towing carts or pallets.

400kg Mini Crane Specifications

Capacity400 kg at short reach, decreasing as the boom extends
LiftingElectric hydraulic cylinder, push-button control
Boom rotationElectric turntable, rotates both sides to place the load beside the crane
TravelManual push; electric tow tractor attaches when powered travel is needed
Power sourceBattery, charged from a 220V mains outlet
SafetyRotating warning light, emergency stop button, foot brake, fixed counterweight
EnvironmentCleanroom-compatible casters that leave no marks and no oil leakage

The specifications above are for the 400 kg configuration used in this project. FullSharp also offers 500 kg and 1,000 kg semi-automatic mini cranes, as well as a fully automatic electric mini crane line.

Why Choose a Mini Crane for Cleanrooms

No structural work needed

No floor drilling, no ceiling mounting — it moves through a standard door into the cleanroom and can be relocated if the layout changes.

Fits narrow aisles

The compact base and boom that rotates both sides let you pick up and set down loads without turning the whole crane.

One-person operation

Electric lifting and rotation, plus electric towing for travel, mean the operator never needs manual strength at any step.

Products Used in This Project

400kg Push Mini Crane, part of a line that also includes the 500kg mini crane and the 1,000kg mini crane, both semi-automatic.
FullSharp Electric Tow Tractor, a 2.5 to 3-ton model used to tow cranes, carts, and pallets around the plant.
For continuous all-day movement, see the fully automatic, all-electric mini crane line.

Frequently asked questions

How is the mini crane moved in normal work?

It stays at the work position, lifts and rotates by push button and is pushed by hand for small adjustments. Foot-brake casters lock it while lifting.

Why add a tow tractor instead of buying a powered crane?

A push crane plus a tow tractor costs less than a fully automatic crane, and the tractor can also tow carts or pallets elsewhere in the plant.

Does the 400 kg capacity apply at full reach?

No. It is 400 kg at short reach and decreases as the boom extends. FullSharp checks part weight and reach before recommending it.

Similar projects

Consulting on the Right Mini Crane for Your Plant

FullSharp surveys the part to be lifted, its height and reach, aisle width, floor type, and how often it needs to move, to select the right configuration: push, push paired with an electric tow tractor, or fully automatic electric drive. Units are available in stock, with load testing and operating instruction provided at your plant. See more semi-automatic mini crane projects already installed.

400 kg Semi-Automatic Mini Crane with Electric Tow Tractor for a Cleanroom