Gears and transmission
Heavy-Duty Swivel Caster Assembly
- Bounding box
- 200.1 × 180.0 × 560.0 mm
- Engine
- Precision B-rep
- Parameters
- 30
- Published
- September 17, 2026
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The prompt
Act as an expert mechanical engineer and CAD automation agent. Build a parametric 3D CAD model of a heavy-duty, extendable, and swiveling caster wheel assembly designed for a tow truck stabilizer or auxiliary gear. The assembly must include the following structural elements and kinematic behaviors: 1. Swivel Mechanism: A 360-degree rotating top plate with a dual-ball bearing raceway for smooth steering under load. 2. Extendable/Retractable Leg: A telescoping vertical post (round tubing) that can extend to deploy the wheel and retract to adjust height, controlled by an integrated screw jack. 3. Swing/Storage Hinge: A heavy-duty pivot hinge bracket attached to the top mounting plate. This mechanism must allow the entire caster assembly to swing upward 90 degrees into a horizontal storage position parallel to the truck chassis. Include a spring-loaded locking pin (pull-pin) to secure it in both the vertical deployed and horizontal stowed positions. 4. Wheel & Yoke: A ruggedized steel yoke holding a polyurethane-on-iron caster wheel rated for heavy loads. Technical Constraints: * Design Style: Industrial, rugged, and optimized heavy bolting. * Deliverable: Output the model as a fully constrained assembly. Ensure all joint limits (telescoping slider, swivel rotation, and 90-degree swing hinge) are properly defined so the motion can be simulated.
Parameters
| Name | Value | Range |
|---|---|---|
| Mounting Plate Length (X) | 150 mm | 80 – 300 |
| Mounting Plate Width (Y) | 100 mm | 60 – 200 |
| Mounting Plate Thickness | 12 mm | 6 – 30 |
| Mounting Bolt Hole Dia | 18 mm | 8 – 30 |
| Bolt Hole Inset From Edge | 20 mm | 10 – 60 |
| Hinge Clevis Plate Width (X) | 70 mm | 40 – 140 |
| Hinge Clevis Plate Thickness | 12 mm | 6 – 30 |
| Hinge Clevis Plate Depth | 88 mm | 50 – 200 |
| Hinge Pivot Pin Dia | 20 mm | 10 – 40 |
| Pivot Pin Drop Below Plate | 38 mm | 20 – 90 |
| Swing Arm Thickness (Y) | 14 mm | 8 – 40 |
| Swing Arm Length Below Pin | 75 mm | 40 – 200 |
| Spring Lock Pin Dia | 22 mm | 10 – 40 |
| Lock Pin Drop Below Pin | 45 mm | 20 – 90 |
| Swivel Bearing Race Dia | 110 mm | 60 – 220 |
| Swivel Bearing Race Height | 30 mm | 15 – 80 |
| Outer Tube Dia | 60 mm | 30 – 120 |
| Outer Tube Length | 130 mm | 60 – 400 |
| Inner Post Dia | 42 mm | 20 – 100 |
| Inner Post Length | 90 mm | 40 – 400 |
| Screw Jack Drive Nut Dia | 40 mm | 20 – 80 |
| Wheel Diameter | 200 mm | 75 – 500 |
| Wheel Face Width | 60 mm | 25 – 150 |
| Yoke Plate Thickness | 12 mm | 6 – 30 |
| Yoke to Wheel Clearance | 1.5 mm | 0.5 – 6 |
| Yoke Plate Drop Length | 140 mm | 80 – 300 |
| Axle Bolt Dia | 24 mm | 10 – 60 |
| Axle Bolt Length | 150 mm | 80 – 300 |
| Yoke Cross Block Width (X) | 130 mm | 70 – 260 |
| Yoke Cross Block Thickness | 20 mm | 10 – 60 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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