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Winsmith HXI Helical Inline: specs, models & replacement research | Replacement Intelligence

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Winsmith · helical inline gearbox

HXI Helical Inline

Winsmith HXI helical inline gearbox family included in the 2025 Aluminum and Helical Interchange Guide.

Family data checkedSep 21, 2026Exact model pages3Official family source ↗

Verified family dataUse for screening, not final interchange approval

Interchange guide sizes: 412A, 512A, 612A
Published torque: 1,550–4,690 lbf-in
Comparison brands: SEW, NORD, Dodge Quantis, Boston Gear, Browning

Exact model records3

HXI Helical Inline412AWinsmith HXI size 412A published in the 2025 interchange guide with torque 1550 lbf-in.

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HXI Helical Inline512AWinsmith HXI size 512A published in the 2025 interchange guide with torque 3180 lbf-in.

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HXI Helical Inline612AWinsmith HXI size 612A published in the 2025 interchange guide with torque 4690 lbf-in.

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Replacement screeningSix checks before interchange

RatioMatch required output speed under the actual input speed.

TorqueRequired continuous and peak torque must stay within the selected unit rating.

GeometryVerify shaft centerline, footprint, flange, bore/shaft diameter, key and output side.

MountingConfirm position, torque arm, foot/flange arrangement, and lubrication requirements.

Motor interfaceConfirm IEC/NEMA frame, adapter, input shaft, brake and encoder configuration.

EnvironmentCheck washdown, food-grade, temperature, ingress, corrosion and hazardous-area requirements.

Verified sourcing channels for Winsmith1

GraingerGrainger lists configured Winsmith reducers with ratio, torque, speed, motor frame, shaft/bore, center distance and lubrication specifications.

Listing evidence ↗