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Flender E40/Z40/D40 Replacement | Boston Gear 862B/863B | Replacement Intelligence

Manufacturer functional interchange

Flender E40/Z40/D40 replacement

Boston Gear 862B/863B appears in the same manufacturer-published cross-reference row as Flender E40/Z40/D40 at Match installed ratio/application · Boston 800 size 860 · Foot mounted.

Published target862B/863BBoston GearMatch installed ratio/application

Evidence publisherBoston GearEvidence typeFunctional interchangeReviewedSep 21, 2026Open source ↗

Replacement referenceDirectional lookup

Existing / searched modelFlenderE40/Z40/D40

Published target modelBoston Gear862B/863B

What the source establishesFunctional interchange

Boston Gear publishes 862B/863B for 800 Series size 860 in the foot mounted column of its in-line helical interchange guide. Boston states the 800 Series is designed to be functionally interchangeable with listed drives while requiring verification of ratings and dimensions.

Evidence meaning

The manufacturer describes the target family as functionally interchangeable with the listed competitor model or configuration.

Flender E40/Z40/D40 and Boston Gear 862B/863B are tied by the published source at Match installed ratio/application · Boston 800 size 860 · Foot mounted.

Evidence boundary

The source still requires ratings, dimensions, ratio, fit, and application conditions to be checked before ordering.

Other models in the same published row7

David BrownM062(3)BRNSame Match installed ratio/application published row →Falk06UCBN2(3)-NSame Match installed ratio/application published row →NORD DRIVESYSTEMSSK22(3)-WSame Match installed ratio/application published row →SEW-EURODRIVER60Same Match installed ratio/application published row →SEW-EURODRIVER63Same Match installed ratio/application published row →STOBERC202/3N-AWSame Match installed ratio/application published row →SumitomoH3110/15Same 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.

Full published row Field checklist Source document ↗