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ASTOR CRANE SIMULATOR

ASTOR 21TM4H

21 t·m · 4 hydraulic extensions

Radio remote control

Reach
—
On the hook
—
Capacity at this reach
—

Drag the levers or use the keyboard: ← → slew, ↑ ↓ main boom, W S knuckle boom, E D extensions, R F outriggers, Space attach/release, Shift fine control. Extend the outriggers first; the hook attaches when lowered onto the load.

Job

You can also click a point on the ground to set the target.

OK
Capacity at this point
—
On the load chart
—
Load ratio
—
Boom in use
—

Load chart

BoomReachCapacity
For information only. Capacities are taken from the ASTOR 21TM4H load chart; as on the chart, each boom's capacity applies up to that boom's reach. Boom positions are illustrative. For real lifts, the crane's load chart and load moment control system apply.

© 2026 Astor Hidrolik. All rights reserved.

All rights to the Astor Crane Simulator's software, 3D models, images and texts, and to the crane designs shown in it, belong to Astor Hidrolik. They may not be copied, reproduced, modified, distributed or used commercially without permission.

The cranes in this application are representative models for presentation only. To prevent our designs from being copied, the actual design, dimensions and manufacturing details of the cranes Astor Hidrolik builds are deliberately shown differently here. The appearance and dimensions in this application are not the same as our real products and must not be used for manufacturing, taking measurements or reverse engineering.

Terms of Use

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Load moment control active — movement stopped