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Spinfinity Kinpinless Dual Caster Series with TerraTech Standard Wheels


Hamilton's new standard TerraTech™ wheels are designed for general purpose applications that require moving heavy loads at speeds up to 10 mph. TerraTech's high performance polyurethane is formulated for optimum traction with an 85 Shore A hardness and a very high cut & tear resistance. This compound's softer tread allows for an ultra-fast flat spot run-out, less vibration, and reduced noise. Have wet and/or slippery floors? This TerraTech tire provides exceptional grip in wet and even cold conditions compared to most other polyurethanes.

To design for the high speeds and provide even greater rollability, engineers equipped all TerraTech wheels with massive double-stacked, maintenance-free precision ball bearings. The TerraTech are offered below in a variety of popular sizes for use on industrial trailers and wagons. For wheel diameters up to 18" tread color is red. For diameters over 18", tread color is black.

Caster Engineering Tools

These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.

CasterSpec Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
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Load
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Base per caster
Worst-case per caster
Recommended rating
Spec output (auto-generated)
Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
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Wheel
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Primary recommendation
Good alternate
When to avoid
Spec output (auto-generated)
Engineers share tools that output a clean “why” line.
PushForce Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
Expand full push/pull
Push
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Estimated total force
Per operator
Pass / target
Spec output (auto-generated)
If effort is high: bigger wheels + better material + smoother path wins.
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