Grove Gear (old) HMQ1238 replacement cross-reference

Replacement referenceDirectional lookup

Existing / searched modelGrove Gear (old)HMQ1238

Published target modelWorldWide ElectricHDRF237-HOpen target specs →

What the source establishesDimensional interchange

WorldWide Electric's HD Cast Iron competitive interchange table publishes HDRF237-H at 2.37 in center distance for C-face input / hollow-bore output. Manufacturers marked by WorldWide as not dimensionally interchangeable are intentionally excluded from Replacement Intelligence. Match ratio, motor frame, shaft/bore and application ratings before ordering.

Evidence meaning

The manufacturer publishes the two models in a dimensional-interchange table or equivalent dimensional comparison.

Grove Gear (old) HMQ1238 and WorldWide Electric HDRF237-H are tied by the published source at Match installed ratio (5:1–60:1) · 2.37 in center distance.

Evidence boundary

Dimensional alignment does not by itself prove identical torque, thermal rating, service factor, ratio, accessories, or application suitability.

Published target specifications4 model-level fields

WorldWide ElectricHDRF237-HHDR Series — Cast Iron

Full model record →

Center distance: 2.37 inSource ↗
Published configuration: C-face input / hollow-bore outputSource ↗
Ratio range: 5–60 :1Source ↗
Interchange basis: WorldWide HD Cast Iron Competitive Interchange tableSource ↗

Other models in the same published row9

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.