MTD 400 Belt Size Guide - TractorCharts.com

The MTD 400 ride-on mower uses three published belt sizes: 5/8" Wide x 68" O.D. for the PTO to deck belt, 5/8" Wide x 44 7/32" O.D. for the secondary drive belt / variable speed pulley to transmission pulley, and 5/8" Wide x 53" O.D. for the primary drive belt / transmission belt. Match each belt to its correct position and OEM reference before ordering.

Belt replacement guide

MTD 400 belt size & replacement chart

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

Equipment: Ride-On MowerBelt applications: 3OEM references: 8Sizes listed: 3

Distinct belts3

OEM references8

Belt functions2

Published sizes3

Replacement lookup

MTD 400 belt chart

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

Belt application	OEM / replacement number	Published size	Listing SKU
PTO PTO To Deck Belt	754-0364, 954-0364	5/8" Wide x 68" O.D.	BEL754-0364
Transmission / motion Secondary Drive Belt / Variable Speed Pulley to Transmission Pulley	754-0281, 954-0281	5/8" Wide x 44 7/32" O.D.	BEL754-0281
Transmission / motion Primary Drive Belt / Transmission Belt	754-0280, 754-0280A, 954-0280, 954-0280A	5/8" Wide x 53" O.D.	BEL754-0280

Application details

Which MTD 400 belt do you need?

PTO To Deck Belt

Recorded OEM references: 754-0364, 954-0364. Published size: 5/8" Wide x 68" O.D.

Secondary Drive Belt / Variable Speed Pulley to Transmission Pulley

Recorded OEM references: 754-0281, 954-0281. Published size: 5/8" Wide x 44 7/32" O.D.

Primary Drive Belt / Transmission Belt

Recorded OEM references: 754-0280, 754-0280A, 954-0280, 954-0280A. Published size: 5/8" Wide x 53" 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

MTD 400 belt FAQ

What belt does the MTD 400 use?

The listed belt applications are PTO To Deck Belt, Secondary Drive Belt / Variable Speed Pulley to Transmission Pulley, and Primary Drive Belt / Transmission Belt. Recorded OEM references: 754-0364, 954-0364, 754-0281, 954-0281, 754-0280, 754-0280A, 954-0280, and 954-0280A.

What are the MTD 400 belt part numbers?

The recorded OEM references are 754-0364, 954-0364, 754-0281, 954-0281, 754-0280, 754-0280A, 954-0280, and 954-0280A. Match each number to the correct belt position before ordering.

What belt sizes does the MTD 400 use?

PTO To Deck Belt: 5/8" Wide x 68" O.D., Secondary Drive Belt / Variable Speed Pulley to Transmission Pulley: 5/8" Wide x 44 7/32" O.D., and Primary Drive Belt / Transmission Belt: 5/8" Wide x 53" O.D.

Why are multiple belts listed for the MTD 400?

This machine has 3 recorded belt applications. Different belts can operate the mower deck, transmission, PTO, clutch or other drive components.

Can I match the MTD 400 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.