Coupling

Compatible equipment

This part fits BUCKET 4IN1 W/B PO 88'' - TLB, BUCKET 4IN1 W/B PO 94'' - TLB, BUCKET 4IN1 W/T PO 88'' - TLB, BUCKET 4IN1 W/T PO 94'' - TLB, BUCKET 6IN1 W/B, PO 94'' - TLB, BUCKET 6IN1 W/T PO 88'' - TLB, BUCKET, 4IN1 UTILITY, 66'' - SSL, BUCKET, 4IN1 CONSTRUCTION 72'' - SSL, BUCKET, 4IN1 UTILITY, 72'' - SSL, BUCKET, 4IN1 CONSTRUCTION 78'' - SSL, BUCKET 4 IN 1 82'' - TLB, BUCKET, 4IN1 CONSTRUCTION 84'' - SSL, BUCKET 4IN1 SLA PO 88'' - TLB, BUCKET 4 IN 1 ASSY, 93'' - TLB, BUCKET 6IN1 W/B PO 88'' - TLB, BUCKET 6IN1 W/B PO SLA - TLB, BUCKET 6IN1 W/T PO 94'' - TLB, MINOTAUR COMPACT DOZER LOADER, REGULATED (NA) - MY25, MULCHER DRUM HF/EHF72'' - SSL, MULCHER DRUM SF 60'' - SSL, MULCHER DRUM HF/EHF61'' - SSL, MULCHER DRUM FMX28 28'' - MHEX, BRUSH CUTTER SD SF 60'' - SSL, BRUSH CUTTER HD SF 66'' - SSL, BRUSH CUTTER SD HF 72'' - SSL, BRUSH CUTTER HD SF 72'' - SSL, BRUSH CUTTER ED HF72'' - SSL, BRUSH CUTTER SD SF 72'' - SSL, BRUSH CUTTER SD HF 78'' - SSL, BRUSH CUTTER ED HF 78'' - SSL, BRUSH CUTTER SD SF 78'' - SSL, COMPACT TRACK LOADER including models 4IN1BLD1, 4IN1BLD115, 4IN1TTH1, 4IN1TTH115, 6IN1115, 6IN1TTH1, BU4166U, BU4172C, BU4172U, BU4178C, BU4182B, BU4184C, BU4188B, BU4193B, BU6113E, BU6115E, BU6115T, DL550, DM72LE, DML60S, DML61E, MHX28, RC60S, RC66HD, RC72H, RC72HD, RC72HDH, RC72S, RC78H, RC78HD, RC78S, TV620B.

Frequently asked questions

What is the part number?

The manufacturer part number is 51631273.

Is this a genuine OEM part?

Yes. This is a genuine CASE Construction part.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.