Murray 309304X31B Belt Size Guide

The Murray 309304X31B rear-engine rider uses two published belt sizes: 1/2" Wide x 43 7/8" O.D. for the transmission / motion 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 309304X31B belt size & replacement chart

OEM references, belt positions and published dimensions for this rear-engine rider.

Equipment: Rear-Engine RiderBelt applications: 2OEM references: 4Sizes listed: 2

Distinct belts2

OEM references4

Belt functions2

Published sizes2

Replacement lookup

Murray 309304X31B belt chart

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

Belt application	OEM / replacement number	Published size	Listing SKU
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

Application details

Which Murray 309304X31B belt do you need?

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.

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 309304X31B belt FAQ

What belt does the Murray 309304X31B use?

The listed belt applications are Transmission / Motion Drive Belt and Cutter Deck Belt. Recorded OEM references: 37X110, 037X110MA, 37X111, and 37X111MA.

What are the Murray 309304X31B belt part numbers?

The recorded OEM references are 37X110, 037X110MA, 37X111, and 37X111MA. Match each number to the correct belt position before ordering.

What belt sizes does the Murray 309304X31B use?

Transmission / Motion Drive Belt: 1/2" Wide x 43 7/8" O.D. and Cutter Deck Belt: 7/16" Wide x 45" O.D.

Why are multiple belts listed for the Murray 309304X31B?

This machine has 2 recorded belt applications. Different belts can operate the mower deck, transmission, PTO, clutch or other drive components.

Can I match the Murray 309304X31B 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.