John Deere 314 (M42779 deck belt) Belt Size Guide

The published John Deere 314 (M42779 deck belt) ride-on mower cutter deck belt / primary cutter deck belt size is 1/2" Wide x 81" I.D. The recorded OEM references are M42779, M45998.
Belt replacement guide

John Deere 314 (M42779 deck belt) belt size & replacement chart

OEM references, belt positions and published dimensions for this ride-on mower.

Equipment: Ride-On MowerBelt applications: 1OEM references: 2Sizes listed: 1
Distinct belts1
OEM references2
Belt functions1
Published sizes1
Replacement lookup

John Deere 314 (M42779 deck belt) 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 / Primary Cutter Deck Belt
M42779, M45998 1/2" Wide x 81" I.D. BEL6883
Application details

John Deere 314 (M42779 deck belt) belt details

Cutter Deck Belt / Primary Cutter Deck Belt

Recorded OEM references: M42779, M45998. Published size: 1/2" Wide x 81" I.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

John Deere 314 (M42779 deck belt) belt FAQ

What belt does the John Deere 314 (M42779 deck belt) use?

The listed belt application is Cutter Deck Belt / Primary Cutter Deck Belt. Recorded OEM references: M42779 and M45998.

What are the John Deere 314 (M42779 deck belt) belt part numbers?

The recorded OEM references are M42779 and M45998. Match each number to the correct belt position before ordering.

What size belt does the John Deere 314 (M42779 deck belt) use?

Cutter Deck Belt / Primary Cutter Deck Belt: 1/2" Wide x 81" I.D.

Can I match the John Deere 314 (M42779 deck belt) 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.