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Aurora Motors DIR815 Replacement | WorldWide Electric SMR8-15/1 | Replacement Intelligence

Manufacturer-published cross-reference

Aurora Motors DIR815 replacement

WorldWide Electric SMR8-15/1 appears in the same manufacturer-published cross-reference row as Aurora Motors DIR815 at 15:1 · AGMA size 407.

Published targetSMR8-15/1WorldWide Electric15:1

Evidence publisherWorldWide ElectricEvidence typePublished cross-referenceReviewedSep 21, 2026Open source ↗

Replacement referenceDirectional lookup

Existing / searched modelAurora MotorsDIR815

Published target modelWorldWide ElectricSMR8-15/1Open target specs →

What the source establishesPublished cross-reference

WorldWide Electric publishes this row in its SMR cross table, listing the WorldWide SMR model alongside competitor model numbers at the same published 15:1 cross-reference position. This preserves the manufacturer-published cross-reference claim without independently asserting that every listed competitor model is pairwise interchangeable.

Evidence meaning

The source and target appear in the same manufacturer-published cross-reference row.

Aurora Motors DIR815 and WorldWide Electric SMR8-15/1 are tied by the published source at 15:1 · AGMA size 407.

Evidence boundary

A cross-reference is a qualified replacement lead, not proof of a drop-in swap for every configured unit.

Published target specifications4 model-level fields

WorldWide ElectricSMR8-15/1SMR Series — The Original

Full model record →

Bore type: TaperedSource ↗
Maximum output bore: 4-7/16 inSource ↗
Nominal ratio: 15 :1Source ↗
Box size: 8Source ↗

Other models in the same published row8

Browning407SMTP15Same 15:1 published row →Cleveland GearCGSM8-15Same 15:1 published row →Dodge TXTTXT815TSame 15:1 published row →Falk5407J14Same 15:1 published row →Hub CityPT8407515Same 15:1 published row →LMIMSC0815Same 15:1 published row →Sumitomo Drive TechnologiesHSM407S-14Same 15:1 published row →VortexVXT815 XDSame 15:1 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 SMR8-15/1 specifications Full published row Field checklist Source document ↗