Murray X8B belt size & replacement chart
OEM references, belt positions and published dimensions for this lawn tractor.
Murray X8B 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 |
037X75, 37X75 | 1/2" X 91 1/4" O.D. | BEL37X75 |
| Mower deck Engine to Deck Belt / Primary Cutter Deck Belt |
37X89, 037X89, 037X89MA, 710217, 7101748YP | 1/2" Wide x 86" O.D. | BEL37X89 |
| Transmission / motion Transmission / Motion Drive Belt |
37X65, 037X65, 037X65MA | 1/2" Wide x 30 3/16" O.D. | BEL37X65 |
| 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 |
Which Murray X8B belt do you need?
Cutter Deck Belt
Recorded OEM references: 037X75, 37X75. Published size: 1/2" X 91 1/4" O.D.
Engine to Deck Belt / Primary Cutter Deck Belt
Recorded OEM references: 37X89, 037X89, 037X89MA, 710217, 7101748YP. Published size: 1/2" Wide x 86" O.D.
Transmission / Motion Drive Belt
Recorded OEM references: 37X65, 037X65, 037X65MA. Published size: 1/2" Wide x 30 3/16" 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.
Murray X8B belt FAQ
What belt does the Murray X8B use?
The listed belt applications are Cutter Deck Belt, Engine to Deck Belt / Primary Cutter Deck Belt, Transmission / Motion Drive 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: 037X75, 37X75, 37X89, 037X89, 037X89MA, 710217, 7101748YP, 37X65, 037X65, 037X65MA, 37X112, 037X112, 37X112MA, 37X110, 037X110MA, 37X111, 37X111MA, 37X66, 037X66, and 037X66MA.
What are the Murray X8B belt part numbers?
The recorded OEM references are 037X75, 37X75, 37X89, 037X89, 037X89MA, 710217, 7101748YP, 37X65, 037X65, 037X65MA, 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 X8B use?
Cutter Deck Belt: 1/2" X 91 1/4" O.D., Engine to Deck Belt / Primary Cutter Deck Belt: 1/2" Wide x 86" O.D., Transmission / Motion Drive Belt: 1/2" Wide x 30 3/16" 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 X8B?
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 X8B 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.
