Murray X50A Belt Size Guide

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The Murray X50A lawn tractor uses ten published belt sizes: 1/2" Wide x 55" I.D." for the cutter deck belt, 1/2" Wide x 80 3/8" for the engine to deck belt / primary cutter deck belt, 1/2" Wide x 97" O.D. for the transmission / motion drive belt, 1/2" Wide x 89" O.D. for the transmission / motion drive belt, 1/2" Wide x 53 11/16" O.D. for the cutter deck belt, 1/2" Wide x 30 3/16" O.D. for the transmission / motion drive belt, 1/2" Wide x 43 7/8" O.D. for the transmission / motion drive belt, 25/32" Wide x 29 11/32" O.D. for the transmission / motion drive belt / primary drive belt, 25/32" Wide x 34" O.D. for the transmission / motion drive belt / secondary drive belt, and 7/16" Wide x 45" O.D. for the cutter deck belt. Match each belt to its correct position and OEM reference before ordering.
Belt replacement guide

Murray X50A belt size & replacement chart

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

Equipment: Lawn TractorBelt applications: 10OEM references: 24Sizes listed: 10
Distinct belts10
OEM references24
Belt functions2
Published sizes10
Replacement lookup

Murray X50A 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
Cutter Deck Belt		 37X74, 037X74, 037X74MA 1/2" Wide x 55" I.D." BEL6857
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		 37X87, 037X87, 710341 1/2" Wide x 97" O.D. BEL37X87
Transmission / motion
Transmission / Motion Drive Belt		 37X106, 037X106, 37X106MA 1/2" Wide x 89" O.D. BEL37X106
Mower deck
Cutter Deck Belt		 37X57, 037X57, 037X57MA 1/2" Wide x 53 11/16" O.D. BEL37X57
Transmission / motion
Transmission / Motion Drive Belt		 37X65, 037X65, 037X65MA 1/2" Wide x 30 3/16" O.D. BEL37X65
Transmission / motion
Transmission / Motion Drive Belt		 37X110, 037X110MA 1/2" Wide x 43 7/8" O.D. BEL37X110
Transmission / motion
Transmission / Motion Drive Belt / Primary Drive Belt		 37X114 25/32" Wide x 29 11/32" O.D. BEL37X114
Transmission / motion
Transmission / Motion Drive Belt / Secondary Drive Belt		 37X115 25/32" Wide x 34" O.D. BEL37X115
Mower deck
Cutter Deck Belt		 37X111, 37X111MA 7/16" Wide x 45" O.D. BEL37X111
Application details

Which Murray X50A belt do you need?

Cutter Deck Belt

Recorded OEM references: 37X74, 037X74, 037X74MA. Published size: 1/2" Wide x 55" I.D."

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: 37X87, 037X87, 710341. Published size: 1/2" Wide x 97" O.D.

Transmission / Motion Drive Belt

Recorded OEM references: 37X106, 037X106, 37X106MA. Published size: 1/2" Wide x 89" O.D.

Cutter Deck Belt

Recorded OEM references: 37X57, 037X57, 037X57MA. Published size: 1/2" Wide x 53 11/16" O.D.

Transmission / Motion Drive Belt

Recorded OEM references: 37X65, 037X65, 037X65MA. Published size: 1/2" Wide x 30 3/16" O.D.

Transmission / Motion Drive Belt

Recorded OEM references: 37X110, 037X110MA. Published size: 1/2" Wide x 43 7/8" O.D.

Transmission / Motion Drive Belt / Primary Drive Belt

Recorded OEM reference: 37X114. Published size: 25/32" Wide x 29 11/32" O.D.

Transmission / Motion Drive Belt / Secondary Drive Belt

Recorded OEM reference: 37X115. Published size: 25/32" Wide x 34" O.D.

Cutter Deck Belt

Recorded OEM references: 37X111, 37X111MA. Published size: 7/16" Wide x 45" 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 X50A belt FAQ

What belt does the Murray X50A use?

The listed belt applications are Cutter Deck Belt, Engine to Deck Belt / Primary Cutter Deck Belt, Transmission / Motion Drive Belt, Transmission / Motion Drive Belt, Cutter Deck Belt, Transmission / Motion Drive Belt, Transmission / Motion Drive Belt, Transmission / Motion Drive Belt / Primary Drive Belt, Transmission / Motion Drive Belt / Secondary Drive Belt, and Cutter Deck Belt. Recorded OEM references: 37X74, 037X74, 037X74MA, 37X69, 037X69, 037X69MA, 37X87, 037X87, 710341, 37X106, 037X106, 37X106MA, 37X57, 037X57, 037X57MA, 37X65, 037X65, 037X65MA, 37X110, 037X110MA, 37X114, 37X115, 37X111, and 37X111MA.

What are the Murray X50A belt part numbers?

The recorded OEM references are 37X74, 037X74, 037X74MA, 37X69, 037X69, 037X69MA, 37X87, 037X87, 710341, 37X106, 037X106, 37X106MA, 37X57, 037X57, 037X57MA, 37X65, 037X65, 037X65MA, 37X110, 037X110MA, 37X114, 37X115, 37X111, and 37X111MA. Match each number to the correct belt position before ordering.

What belt sizes does the Murray X50A use?

Cutter Deck Belt: 1/2" Wide x 55" I.D.", Engine to Deck Belt / Primary Cutter Deck Belt: 1/2" Wide x 80 3/8", Transmission / Motion Drive Belt: 1/2" Wide x 97" O.D., Transmission / Motion Drive Belt: 1/2" Wide x 89" O.D., Cutter Deck Belt: 1/2" Wide x 53 11/16" O.D., Transmission / Motion Drive Belt: 1/2" Wide x 30 3/16" O.D., Transmission / Motion Drive Belt: 1/2" Wide x 43 7/8" O.D., Transmission / Motion Drive Belt / Primary Drive Belt: 25/32" Wide x 29 11/32" O.D., Transmission / Motion Drive Belt / Secondary Drive Belt: 25/32" Wide x 34" O.D., and Cutter Deck Belt: 7/16" Wide x 45" O.D.

Why are multiple belts listed for the Murray X50A?

This machine has 10 recorded belt applications. Different belts can operate the mower deck, transmission, PTO, clutch or other drive components.

Can I match the Murray X50A 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.

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