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RHB388 → X3S replacement

Manufacturer comparison guide

Dodge Quantis RHB388 replacement

Winsmith X3S appears in the same manufacturer-published cross-reference row as Dodge Quantis RHB388 at Match installed ratio/application · Winsmith HXB size X3S.

Published targetX3SWinsmithMatch installed ratio/application

Evidence publisherWinsmithEvidence typeComparison guideReviewedSep 21, 2026Open source ↗

Replacement referenceDirectional lookup

Existing / searched modelDodge QuantisRHB388Open source-model record →

Published target modelWinsmithX3SOpen target specs →

What the source establishesComparison guide

Winsmith publishes HXB X3S in its 2025 interchange guide beside the listed competitor models. The guide distinguishes 100% interchangeable mounting from slightly different mounting; verify the source key, dimensions, ratio and application before ordering.

Evidence meaning

The manufacturer publishes these models together in an interchange/comparison guide.

Dodge Quantis RHB388 and Winsmith X3S are tied by the published source at Match installed ratio/application · Winsmith HXB size X3S.

Evidence boundary

The guide may include mounting or configuration differences; confirm the source key and exact dimensions before substitution.

Published target specifications3 model-level fields

WinsmithX3SHXB Helical Bevel

Full model record →

Published torque: 885 lbf-inSource ↗
Interchange source: Winsmith 2025 Aluminum and Helical Interchange GuideSource ↗
Published size: HXB X3SSource ↗

Other models in the same published row2

NORD DRIVESYSTEMSSK92072Same Match installed ratio/application published row →SEW-EURODRIVEK29Same Match installed ratio/application published row →

Replacement verification checklistBefore purchase

RatioConfirm nominal and actual ratio against required output speed.

Shaft / boreMeasure the driven shaft and verify bushing or bore configuration.

InputCheck high-speed shaft, motor frame, sheave and input interface.

MountingCompare center height, footprint, torque-arm geometry and housing clearances.

AccessoriesDo not assume existing backstops, motor mounts, belt guards or screw-conveyor hardware transfer.

DutyRecheck torque, service factor, shock, starts per hour, temperature and lubrication.

Open X3S specifications Full published row Field checklist Source document ↗