Murray 46254X15B Belt Size Guide

The Murray 46254X15B lawn tractor uses three published belt sizes: 1/2" Wide x 80 3/8" for the engine to deck belt / primary cutter deck belt, 1/2" Wide x 87" I.D. for the transmission / motion drive belt, and 1/2" Wide x 47" O.D. for the cutter deck belt / secondary belt / blade to blade belt. Match each belt to its correct position and OEM reference before ordering.
Belt replacement guide

Murray 46254X15B belt size & replacement chart

OEM references, belt positions and published dimensions for this lawn tractor.

Equipment: Lawn TractorBelt applications: 3OEM references: 8Sizes listed: 3
Distinct belts3
OEM references8
Belt functions2
Published sizes3
Replacement lookup

Murray 46254X15B belt chart

Match the belt function first, then confirm the OEM number and size.

Belt application OEM / replacement number Published size Listing SKU
Mower deck
Engine to Deck Belt / Primary Cutter Deck Belt
37X69, 037X69, 037X69MA 1/2" Wide x 80 3/8" BEL37X69
Transmission / motion
Transmission / Motion Drive Belt
37X81, 37X81MA 1/2" Wide x 87" I.D. BEL6889
Mower deck
Cutter Deck Belt / Secondary Belt / Blade to Blade Belt
37X66, 037X66, 037X66MA 1/2" Wide x 47" O.D. BEL37X66
Application details

Which Murray 46254X15B belt do you need?

Engine to Deck Belt / Primary Cutter Deck Belt

Recorded OEM references: 37X69, 037X69, 037X69MA. Published size: 1/2" Wide x 80 3/8"

Transmission / Motion Drive Belt

Recorded OEM references: 37X81, 37X81MA. Published size: 1/2" Wide x 87" I.D.

Cutter Deck Belt / Secondary Belt / Blade to Blade Belt

Recorded OEM references: 37X66, 037X66, 037X66MA. Published size: 1/2" Wide x 47" O.D.

Important: Confirm the belt position, deck size, serial range and machine configuration before ordering. Belts with the same length can use different widths or profiles.
Common questions

Murray 46254X15B belt FAQ

What belt does the Murray 46254X15B use?

The listed belt applications are Engine to Deck Belt / Primary Cutter Deck Belt, Transmission / Motion Drive Belt, and Cutter Deck Belt / Secondary Belt / Blade to Blade Belt. Recorded OEM references: 37X69, 037X69, 037X69MA, 37X81, 37X81MA, 37X66, 037X66, and 037X66MA.

What are the Murray 46254X15B belt part numbers?

The recorded OEM references are 37X69, 037X69, 037X69MA, 37X81, 37X81MA, 37X66, 037X66, and 037X66MA. Match each number to the correct belt position before ordering.

What belt sizes does the Murray 46254X15B use?

Engine to Deck Belt / Primary Cutter Deck Belt: 1/2" Wide x 80 3/8", Transmission / Motion Drive Belt: 1/2" Wide x 87" I.D., and Cutter Deck Belt / Secondary Belt / Blade to Blade Belt: 1/2" Wide x 47" O.D.

Why are multiple belts listed for the Murray 46254X15B?

This machine has 3 recorded belt applications. Different belts can operate the mower deck, transmission, PTO, clutch or other drive components.

Can I match the Murray 46254X15B belt by length alone?

No. Width, profile, inside or outside circumference, belt position and OEM reference can all affect fitment. Match the belt function and OEM number first, then use the dimensions as a final check.