The published Ariens 901012 lawn tractor/ride-on mower tiller reverse drive belt size is 3/8" Wide x 37" O.D. The recorded OEM references are 72106, 072106.
Belt replacement guide
Ariens 901012 belt size & replacement chart
OEM references, belt positions and published dimensions for this lawn tractor / ride-on mower.
Match the belt function first, then confirm the OEM number and size.
Belt application
OEM / replacement number
Published size
Listing SKU
Drive Tiller Reverse Drive Belt
72106, 072106
3/8" Wide x 37" O.D.
BEL6737
Application details
Ariens 901012 belt details
Tiller Reverse Drive Belt
Recorded OEM references: 72106, 072106. Published size: 3/8" Wide x 37" 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
Ariens 901012 belt FAQ
What belt does the Ariens 901012 use?
The listed belt application is Tiller Reverse Drive Belt. Recorded OEM references: 72106 and 072106.
What are the Ariens 901012 belt part numbers?
The recorded OEM references are 72106 and 072106. Match each number to the correct belt position before ordering.
What size belt does the Ariens 901012 use?
Tiller Reverse Drive Belt: 3/8" Wide x 37" O.D.
Can I match the Ariens 901012 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.
