The Victa Professional 550 ride-on mower uses two published belt sizes: 3/8" Wide x 36" I.D. for the transmission drive belt and 3/8" Wide x 36" I.D. for the transmission drive belt. Match each belt to its correct position and OEM reference before ordering.
Belt replacement guide
Victa Professional 550 belt size & replacement chart
OEM references, belt positions and published dimensions for this ride-on mower.
Match the belt function first, then confirm the OEM number and size.
Belt application
OEM / replacement number
Published size
Listing SKU
Transmission / motion Transmission Drive Belt
CH85667A
3/8" Wide x 36" I.D.
BELM36, BEL6737
Transmission / motion Transmission Drive Belt
Not listed
3/8" Wide x 36" I.D.
BEL6737
Application details
Which Victa Professional 550 belt do you need?
Transmission Drive Belt
Recorded OEM reference: CH85667A. Published size: 3/8" Wide x 36" I.D.
Transmission Drive Belt
No OEM number was published for this application. Published size: 3/8" Wide x 36" 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
Victa Professional 550 belt FAQ
What belt does the Victa Professional 550 use?
The listed belt applications are Transmission Drive Belt and Transmission Drive Belt. Recorded OEM reference: CH85667A.
What is the Victa Professional 550 belt part number?
The recorded OEM reference is CH85667A. Match it to the correct belt position before ordering.
What belt sizes does the Victa Professional 550 use?
Transmission Drive Belt: 3/8" Wide x 36" I.D. and Transmission Drive Belt: 3/8" Wide x 36" I.D.
Why are multiple belts listed for the Victa Professional 550?
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 Victa Professional 550 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.
