Murray X92B Belt Size Guide

The Murray X92B lawn tractor uses seven published belt sizes: 1/2" Wide x 77 11/16" O.D. for the engine to deck belt / primary cutter deck belt, 1/2" Wide x 86" O.D. for the transmission / motion drive belt, 1/2" Wide x 53 11/16" O.D. for the cutter deck belt, 5/8" Wide x 63" I.D. for the motion drive belt primary drive belt for variable drive, 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, 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 X92B belt size & replacement chart

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

Equipment: Lawn TractorBelt applications: 7OEM references: 19Sizes listed: 7
Distinct belts7
OEM references19
Belt functions2
Published sizes7
Replacement lookup

Murray X92B 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
37X70, 037X70, 037X70MA 1/2" Wide x 77 11/16" O.D. BEL37X70
Transmission / motion
Transmission / Motion Drive Belt
37X80, 037X80, 037X80MA 1/2" Wide x 86" O.D. BEL37X80
Mower deck
Cutter Deck Belt
37X57, 037X57, 037X57MA 1/2" Wide x 53 11/16" O.D. BEL37X57
Transmission / motion
Motion Drive Belt Primary Drive Belt For Variable Drive
37X112, 037X112, 37X112MA 5/8" Wide x 63" I.D. BEL37X112
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 / Secondary Belt / Blade to Blade Belt
37X66, 037X66, 037X66MA 1/2" Wide x 47" O.D. BEL37X66
Application details

Which Murray X92B belt do you need?

Engine to Deck Belt / Primary Cutter Deck Belt

Recorded OEM references: 37X70, 037X70, 037X70MA. Published size: 1/2" Wide x 77 11/16" O.D.

Transmission / Motion Drive Belt

Recorded OEM references: 37X80, 037X80, 037X80MA. Published size: 1/2" Wide x 86" O.D.

Cutter Deck Belt

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

Motion Drive Belt Primary Drive Belt For Variable Drive

Recorded OEM references: 37X112, 037X112, 37X112MA. Published size: 5/8" Wide x 63" I.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 / 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 X92B belt FAQ

What belt does the Murray X92B use?

The listed belt applications are Engine to Deck Belt / Primary Cutter Deck Belt, Transmission / Motion Drive Belt, Cutter Deck Belt, Motion Drive Belt Primary Drive Belt For Variable Drive, Transmission / Motion Drive Belt, Cutter Deck Belt, and Cutter Deck Belt / Secondary Belt / Blade to Blade Belt. Recorded OEM references: 37X70, 037X70, 037X70MA, 37X80, 037X80, 037X80MA, 37X57, 037X57, 037X57MA, 37X112, 037X112, 37X112MA, 37X110, 037X110MA, 37X111, 37X111MA, 37X66, 037X66, and 037X66MA.

What are the Murray X92B belt part numbers?

The recorded OEM references are 37X70, 037X70, 037X70MA, 37X80, 037X80, 037X80MA, 37X57, 037X57, 037X57MA, 37X112, 037X112, 37X112MA, 37X110, 037X110MA, 37X111, 37X111MA, 37X66, 037X66, and 037X66MA. Match each number to the correct belt position before ordering.

What belt sizes does the Murray X92B use?

Engine to Deck Belt / Primary Cutter Deck Belt: 1/2" Wide x 77 11/16" O.D., Transmission / Motion Drive Belt: 1/2" Wide x 86" O.D., Cutter Deck Belt: 1/2" Wide x 53 11/16" O.D., Motion Drive Belt Primary Drive Belt For Variable Drive: 5/8" Wide x 63" I.D., Transmission / Motion Drive Belt: 1/2" Wide x 43 7/8" O.D., Cutter Deck Belt: 7/16" Wide x 45" 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 X92B?

This machine has 7 recorded belt applications. Different belts can operate the mower deck, transmission, PTO, clutch or other drive components.

Can I match the Murray X92B 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.