Murray X50C Belt Size Guide

The Murray X50C lawn tractor uses nine published belt sizes: 1/2" Wide x 55" I.D." for the cutter deck 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, 7/16" Wide x 45" O.D. for the cutter deck belt, 5/8" Wide x 43" I.D. for the cutter deck belt, AA X 73" O.D. for the cutter deck belt one of two deck belts, use with our belaa73 (OEM 690071), 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 X50C belt size & replacement chart

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

Equipment: Lawn TractorBelt applications: 9OEM references: 25Sizes listed: 9
Distinct belts9
OEM references25
Belt functions2
Published sizes9
Replacement lookup

Murray X50C 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
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
Mower deck
Cutter Deck Belt
37X111, 37X111MA 7/16" Wide x 45" O.D. BEL37X111
Mower deck
Cutter Deck Belt
710231, 710231MA 5/8" Wide x 43" I.D. BEL6946
Mower deck
Cutter Deck Belt One of two deck belts, use with our BELAA73 (OEM 690071)
690071, 690071MA, 1001223, 1001223MA AA X 73" O.D. BELAA73
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 X50C belt do you need?

Cutter Deck Belt

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

Cutter Deck Belt

Recorded OEM references: 37X111, 37X111MA. Published size: 7/16" Wide x 45" O.D.

Cutter Deck Belt

Recorded OEM references: 710231, 710231MA. Published size: 5/8" Wide x 43" I.D.

Cutter Deck Belt One of two deck belts, use with our BELAA73 (OEM 690071)

Recorded OEM references: 690071, 690071MA, 1001223, 1001223MA. Published size: AA X 73" O.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 X50C belt FAQ

What belt does the Murray X50C use?

The listed belt applications are Cutter Deck Belt, Transmission / Motion Drive Belt, Cutter Deck Belt, Transmission / Motion Drive Belt, Transmission / Motion Drive Belt, Cutter Deck Belt, Cutter Deck Belt, Cutter Deck Belt One of two deck belts, use with our BELAA73 (OEM 690071), and Cutter Deck Belt / Secondary Belt / Blade to Blade Belt. Recorded OEM references: 37X74, 037X74, 037X74MA, 37X106, 037X106, 37X106MA, 37X57, 037X57, 037X57MA, 37X65, 037X65, 037X65MA, 37X110, 037X110MA, 37X111, 37X111MA, 710231, 710231MA, 690071, 690071MA, 1001223, 1001223MA, 37X66, 037X66, and 037X66MA.

What are the Murray X50C belt part numbers?

The recorded OEM references are 37X74, 037X74, 037X74MA, 37X106, 037X106, 37X106MA, 37X57, 037X57, 037X57MA, 37X65, 037X65, 037X65MA, 37X110, 037X110MA, 37X111, 37X111MA, 710231, 710231MA, 690071, 690071MA, 1001223, 1001223MA, 37X66, 037X66, and 037X66MA. Match each number to the correct belt position before ordering.

What belt sizes does the Murray X50C use?

Cutter Deck Belt: 1/2" Wide x 55" I.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., Cutter Deck Belt: 7/16" Wide x 45" O.D., Cutter Deck Belt: 5/8" Wide x 43" I.D., Cutter Deck Belt One of two deck belts, use with our BELAA73 (OEM 690071): AA X 73" O.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 X50C?

This machine has 9 recorded belt applications. Different belts can operate the mower deck, transmission, PTO, clutch or other drive components.

Can I match the Murray X50C 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.