The three working bands of the 10-15 ton tier
Band 1 · 10,001-12,000 lb
Machine tool & fabrication transfer
Large CNC machine repositioning, heavy weldment transfer, fabrication assembly carts. Single-wheel forged steel or dual-wheel polyurethane on forged core. 10-12 inch wheel diameter minimum.
10-12″ wheelDual-row tapered rollerKingpinless
Band 2 · 12,001-13,500 lb
Powergen & heavy industrial assembly
Generator and turbine sub-assembly transfer, large pressure-vessel staging, heavy industrial build platforms. Dual-wheel construction becomes the norm here for shock and side-load stability.
12″+ wheelDual wheel preferredForged steel core
Band 3 · 13,501-15,000 lb
Steel mill & foundry stage carts
Coil and slab stage carts, foundry transfer, ladle and mold movement. Forged steel wheels on steel rail or distribution-plated paths. The top of the super-duty tier before the extreme range begins.
12-14″ wheelForged steel wheelRail or plated path
What's mandatory at this tier
Three things are non-negotiable from 10,001 lb up. Kingpinless construction — a kingpin shaft cannot survive repeated cornering and impact at five-plus tons. Dual-row tapered roller bearings — they carry the radial weight and the cornering thrust simultaneously, which is exactly the load profile here; single-row bearings and any ball bearing will fail. Powered movement — a four-caster platform carries 40,000-60,000 lb total, far beyond any manual or even small-tugger capability. Plan a properly sized tow vehicle into the project.
Floor engineering is not optional — A 15,000 lb load through a 12-inch wheel still generates point loads that exceed standard 4-inch concrete. The minimum is 6-inch reinforced concrete; steel distribution plates or embedded rail are the spec for permanent travel paths. Most facility insurance requires documented load engineering above 10,000 lb per caster — build the documentation chain (caster spec + floor analysis + path design) before deployment.
The CasterHQ load-rating ladder — per caster
10,001-15,000 lb tier FAQs
Single wheel or dual wheel?Single-wheel forged steel works through the bottom band. From ~12,000 lb up, dual-wheel construction is preferred — two contact patches resist the twisting force that can jam a single wide wheel under shock or side load.
How do I move a 50,000 lb platform?A tow vehicle or heavy tugger sized to the load — typically 5,000-15,000 lb pull capacity depending on grade and rolling resistance. Confirm the tugger spec against the loaded platform weight and the worst grade on the route.
Polyurethane or forged steel wheels?Polyurethane on a forged steel core for indoor concrete — floor protection plus capacity. Solid forged steel for rail systems, hot environments, or floors where marking doesn't matter.
What lead time should I expect?Casters in this tier are rarely stock items. Expect 3-8 weeks for standard configurations and longer for custom plate dimensions or special wheel materials.
Engineering review recommended at this tier
Send load per caster, floor spec, travel path, and movement method. We'll respond with a build sheet, floor-loading check, and lead time.
Call 844-439-4335
