The Kubota KB21X tractor is 98.4 in long, 48.4 in wide, and 56.3 in tall, with a 53.2 in wheelbase.
Length98.4 in (8 ft 2.4 in) / 2,499.4 mm
Width48.4 in (4 ft 0.4 in) / 1,229.4 mm
Height56.3 in (4 ft 8.3 in) / 1,430 mm
Wheelbase53.2 in (4 ft 5.2 in) / 1,351.3 mm
Ground clearance14.6 in (1 ft 2.6 in) / 370.8 mm
Kubota KB21X Dimensions
Overall length
98.4 in (8 ft 2.4 in) / 2,499.4 mm
Overall width
48.4 in (4 ft 0.4 in) / 1,229.4 mm
Overall height
56.3 in (4 ft 8.3 in) / 1,430 mm
Wheelbase
53.2 in (4 ft 5.2 in) / 1,351.3 mm
Ground clearance
14.6 in (1 ft 2.6 in) / 370.8 mm
Rear tread width
36.6 in (3 ft 0.6 in) / 929.6 mm
Tractor Size Comparison Chart
Overall length comparison
This model
98.4 in
Average
105 in
Low
70 in
High
140 in
Overall width comparison
This model
48.4 in
Average
48 in
Low
34 in
High
66 in
Overall height comparison
This model
56.3 in
Average
68 in
Low
42 in
High
94 in
Wheelbase comparison
This model
53.2 in
Average
58 in
Low
42 in
High
74 in
Ground clearance comparison
This model
14.6 in
Average
9 in
Low
5 in
High
14 in
Kubota KB21X Extra Dimension Notes
Size class note
In practical size terms, the Kubota KB21X lands in small compact tractor territory. It is sized more for acreage, yard work, loader jobs and tight property access than large field work.
Storage fit note
The Kubota KB21X is a realistic candidate for garage-style storage in the right setup. With length 98.4 in (8 ft 2.4 in) / 2,499.4 mm, width 48.4 in (4 ft 0.4 in) / 1,229.4 mm, and height 56.3 in (4 ft 8.3 in) / 1,430 mm, measure the door, not just the room.
Fitment note
The Kubota KB21X dimension row shows length at 98.4 in (8 ft 2.4 in) / 2,499.4 mm, width at 48.4 in (4 ft 0.4 in) / 1,229.4 mm, and height at 56.3 in (4 ft 8.3 in) / 1,430 mm. Treat those as the headline measurements for storage, transport and property access.
Wheelbase note
Wheelbase is listed at 53.2 in (4 ft 5.2 in) / 1,351.3 mm for the Kubota KB21X. That is one of the main chassis-size measurements.
Ground clearance note
The Kubota KB21X lists 14.6 in (1 ft 2.6 in) / 370.8 mm of ground clearance. That is useful for uneven ground and general underbody clearance.
Tread width note
The Kubota KB21X rear tread width is listed at 36.6 in (3 ft 0.6 in) / 929.6 mm. Front tread width was not captured cleanly in this row.
Storage Tips
Floor space is not enough; check the door height, side clearance and attachment length.
If the tractor is stored with a loader or rear implement, add more bay depth than the bare length suggests.
This is a smaller tractor class, so tight acreage sheds and small equipment bays are realistic if the doorway clears.
Use the 53.2 in wheelbase as a clue for how much approach room is needed near the shed entrance.
Storage FAQ
What size garage will fit the tractor?
For the Kubota KB21X, the listed storage problem is simple: 56.3 in height, 48.4 in width and 98.4 in length all have to clear. The sensible garage/shed target is 7 ft high, 8 ft wide, and 15 ft deep.
What size door should I check?
For this storage class, the safer number is 7 ft high, 8 ft wide, 15 ft deep. That keeps the doorway and bay ahead of the tractor’s actual 56.3 in height, 48.4 in width and 98.4 in length.
Do attachments change the storage size?
Yes. The published 98.4 in length is useful for the bare tractor, but the real storage number is the longest point from front attachment to rear attachment.
How much maneuvering room should I allow?
Use the 53.2 in wheelbase as the handling clue. If the approach is angled, a 8 ft door may still feel tight, so leave about 12 ft to straighten up.
Official information note
Mistakes do happen. Tractor dimensions can change by year, tire setup, cab/ROPS setup, attachments and market. Please check the operator manual, build sheet and official kubotausa.com website for official information.
