The deck belt size found is 137 in (3,480 mm) long by 0.5 in (13 mm) wide. The drive belt size found is 48 in (1,219 mm) long by 0.5 in (13 mm) wide.
Deck belt sizelength 137 in (3,480 mm) and width 0.5 in (13 mm)
Drive belt sizelength 48 in (1,219 mm) and width 0.5 in (13 mm)
Cub Cadet Z-Force S48 Belt Size and Part Numbers
Mower deck belt length
137 in (3,480 mm)
Mower deck belt width
0.5 in (13 mm)
Drive belt length
48 in (1,219 mm)
Drive belt width
0.5 in (13 mm)
Belt Size Comparison Chart
Belt length comparison
This model
137 in
Average
145 in
Low
100 in
High
220 in
Belt width comparison
This model
0.5 in
Average
0.5 in
Low
0.38 in
High
0.75 in
Cub Cadet Z-Force S48 Belt Notes
Mower deck belt note
The Cub Cadet Z-Force S48 deck belt measurement captured here is length 137 in (3,480 mm) and width 0.5 in (13 mm). Use the listed value as a buying guide, not a blind substitute for the deck-specific parts diagram
Drive belt note
The Cub Cadet Z-Force S48 drive or transmission belt measurement captured here is length 48 in (1,219 mm) and width 0.5 in (13 mm). This is separate from the mower deck belt
Fitment note
Belts are cheap until you buy the wrong one twice. On the Cub Cadet Z-Force S48, confirm belt route, old belt label and OEM part number before ordering
Cub Cadet Z-Force S48 Belt Size FAQ
What should you watch when fitting a 137 in (3,480 mm) deck belt on the Cub Cadet Z-Force S48?
A 137 in (3,480 mm) deck belt leaves little room for sloppy routing. This is a very long belt run, so pulley alignment, belt keepers and idler tension matter a lot. Long belts punish sloppy routing fast. Before blaming the new belt, compare the belt path to the routing decal and make sure it sits on the correct side of each keeper
Can you replace the Cub Cadet Z-Force S48 belt with the same length but different width?
The deck belt width found is 0.5 in (13 mm). That is the common 1/2-inch belt width range. Still match the OEM number because the belt angle, fabric wrap and effective length can differ. A belt with the wrong top width can ride too high or too low in the pulley even if the length looks right
Which Cub Cadet Z-Force S48 belt needs more careful length matching?
The deck belt is longer here: deck 137 in (3,480 mm) versus drive 48 in (1,219 mm), about 89 in (2,261 mm) different. Do not cross-match them just because both are mower belts
Official information note
Mistakes do happen. Belt specs can change by year, mower deck, pulley layout, serial range and regional parts catalog. Please check the operator manual, belt routing decal, old belt label and official cubcadet.com before ordering a replacement belt.
