The Murray 46904X192A lawn tractor uses two published belt sizes: 1/2" Wide x 77 11/16" O.D. for the engine to deck belt / primary cutter deck belt and 1/2" Wide x 86" O.D. for the transmission / motion drive belt. Match each belt to its correct position and OEM reference before ordering.
Belt replacement guide
Murray 46904X192A belt size & replacement chart
OEM references, belt positions and published dimensions for this lawn tractor.
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
Application details
Which Murray 46904X192A 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.
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 46904X192A belt FAQ
What belt does the Murray 46904X192A use?
The listed belt applications are Engine to Deck Belt / Primary Cutter Deck Belt and Transmission / Motion Drive Belt. Recorded OEM references: 37X70, 037X70, 037X70MA, 37X80, 037X80, and 037X80MA.
What are the Murray 46904X192A belt part numbers?
The recorded OEM references are 37X70, 037X70, 037X70MA, 37X80, 037X80, and 037X80MA. Match each number to the correct belt position before ordering.
What belt sizes does the Murray 46904X192A use?
Engine to Deck Belt / Primary Cutter Deck Belt: 1/2" Wide x 77 11/16" O.D. and Transmission / Motion Drive Belt: 1/2" Wide x 86" O.D.
Why are multiple belts listed for the Murray 46904X192A?
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 46904X192A 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.
