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Dodge Industrial SCXT 4B replacement & specifications | Replacement Intelligence

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Dodge Industrial

SCXT 4B

current

Current-generation Dodge SCXT size 4B reducer documented as the later design for legacy SCXT 4 applications. Its extended output hub requires the current drive-shaft design. Record source ↗

Source-backed record · Last reviewed Sep 21, 2026Compare this model →Verification methodology →

Specifications

Known configuration

3 fields

Design generation: Current designSource ↗
Drive-shaft compatibility: Requires current SCXT 4B drive-shaft designSource ↗
Output hub design: Extended from housingSource ↗

Manufacturer evidence

Transition notices

Dodge SCXT legacy reducer replacement guidance2016-12-13

Dodge documents that legacy SCXT sizes 3, 4 and 5/5A were redesigned as SCXT 3B, 4B and 5C. The current reducers use an extended output hub and are not compatible with the older drive shafts; replacing an older reducer therefore requires the correct current drive-shaft arrangement rather than treating the reducer as a drop-in swap.

Legacy models

SCXT 3 SCXT 4 SCXT 5A SCXT 5

Successor set

SCXT 3B SCXT 4B SCXT 5C

Manufacturer notice ↗

This preserves the manufacturer’s group-level statement without asserting a one-to-one interchange. Verify the exact configuration before purchase.

Cross-reference

Replacement candidates

No verified one-to-one replacement relationship yet.

Manufacturer transition notices are kept separate from exact compatibility so a group-level product transition is never presented as a drop-in replacement.

Interchange check

What must match before substitution

6 checks

Ratio / speedConfirm the replacement produces the required output speed at the actual input speed.

Torque / dutyVerify continuous and peak torque, service factor, shock loading, starts per hour, and thermal duty.

Output geometryMatch shaft or bore diameter, key/spline/bushing, output side, usable length, and allowable overhung/thrust loads.

MountingCheck foot pattern, flange pilot/bolt circle, center height, torque arm, and mounting position.

Input / motorConfirm motor frame, adapter, input shaft or quill, power, brake, encoder, voltage, and frequency.

EnvironmentVerify lubricant, washdown/corrosion requirements, temperature, ingress protection, and hazardous-area needs.

Sourcing

Verified channels listing Dodge Industrial

MotionMotion lists configured Dodge Quantis reducer models with ratio, frame, shaft and torque specifications.

Coverage evidence ↗

Purvis IndustriesPurvis lists Dodge Quantis reducer configurations with ratio, torque, output and mounting specifications.

Coverage evidence ↗

Applied Industrial TechnologiesApplied documents Sumitomo Cyclo 6000 and Dodge Quantis among reducer-shop lines.

Coverage evidence ↗

MROSupplyMROSupply lists Dodge Quantis reducers with exact model, ratio, frame and sub-family data.

Coverage evidence ↗

Coverage means we verified a current merchant listing or catalog reference for the brand. Confirm stock, lead time, authorization status, and the exact configuration directly with the supplier.