What tire size does the Kubota MX5100 use?
The Kubota MX5100 4WD commonly uses 9.5-16 front tires and 14.9-26 rear tires. The Kubota MX5100 2WD is commonly listed with 7.5L-15 front tires and 14.9-26 rear tires. Before buying replacements, confirm whether your tractor is 2WD or 4WD and check the tire size stamped on your current sidewalls.
Kubota MX5100 Tire Size: 9.5-16 Front / 14.9-26 Rear
The common MX5100 4WD tire setup is 9.5-16 front and 14.9-26 rear. The common 2WD setup is 7.5L-15 front and 14.9-26 rear.
R1 agricultural front tire on 4WD ag setup; ribbed steering tire on 2WD setup
Best Buying Rule
Match your current tire size; keep the front/rear rolling ratio correct on 4WD tractors
Best simple answer: for a Kubota MX5100 4WD, use 9.5-16 front and 14.9-26 rear. For a Kubota MX5100 2WD, use 7.5L-15 front and 14.9-26 rear.
Kubota MX5100 4WD Tire Size
The Kubota MX5100 4WD is commonly listed with 9.5-16 front tires and 14.9-26 rear tires. This is the main setup most MX5100 4WD owners should check first, especially if the tractor has mechanical front-wheel drive.
4WD Tire Position
Size
Owner Notes
Front Tires
9.5-16
Common MX5100 4WD front tire size.
Rear Tires
14.9-26
Common rear tire size paired with the 4WD front tire.
Front Rim Diameter
16 inches
A 9.5-16 front tire fits a 16 inch rim.
Rear Rim Diameter
26 inches
A 14.9-26 rear tire fits a 26 inch rim.
Best Use
Field work, loader work, dirt, gravel, pasture, and general utility work
Good all-round ag setup for a 4WD utility tractor.
Kubota MX5100 2WD Tire Size
The Kubota MX5100 2WD is commonly listed with 7.5L-15 front tires and 14.9-26 rear tires. On a 2WD tractor, the front tire is mainly a steering tire, so it does not have the same front-to-rear rolling-ratio issue as a 4WD tractor.
2WD Tire Position
Size
Owner Notes
Front Tires
7.5L-15
Common MX5100 2WD front steering tire size.
Rear Tires
14.9-26
Common rear drive tire size on 2WD listings.
Front Rim Diameter
15 inches
A 7.5L-15 tire fits a 15 inch front rim.
Rear Rim Diameter
26 inches
A 14.9-26 tire fits a 26 inch rear rim.
Best Use
General utility work, mowing, light field work, and property use
Simple rear-drive setup with front steering tires.
How to Read Kubota MX5100 Tire Sizes
The MX5100 uses traditional tractor tire sizing. A size like 14.9-26 means the tire is about 14.9 inches wide and fits a 26 inch rim. A size like 9.5-16 means the tire is about 9.5 inches wide and fits a 16 inch rim.
Tire Size
Meaning
Common MX5100 Use
9.5-16
About 9.5 inches wide, fits a 16 inch rim
4WD front tire
14.9-26
About 14.9 inches wide, fits a 26 inch rim
Rear tire on 2WD and 4WD setups
7.5L-15
About 7.5 inches wide, low-section front tire, fits a 15 inch rim
2WD front steering tire
Best Replacement Tires for a Kubota MX5100
The best replacement tires for a Kubota MX5100 depend on whether the tractor is 2WD or 4WD. For a common 4WD ag setup, use 9.5-16 front and 14.9-26 rear. For a common 2WD setup, use 7.5L-15 front and 14.9-26 rear.
Replacement Target
Recommended Size
Best For
4WD front replacement
9.5-16
4WD traction, loader work, field use, dirt, gravel, and property maintenance.
4WD rear replacement
14.9-26
Rear drive traction and correct pairing with the 4WD front tire size.
2WD front replacement
7.5L-15
Front steering tire on 2WD tractors.
2WD rear replacement
14.9-26
Rear drive traction on 2WD tractors.
Rear tread type
R1 agricultural lug for ag/field use
Best bite in soil, mud, loose ground, and field work.
Other tread styles
Only use if your tractor already has a matching wheel/tire package
Industrial or turf-style setups require correct rims and matched rolling ratio on 4WD tractors.
Blunt verdict: do not randomly swap tire sizes on a 4WD MX5100. Front and rear rolling circumference must stay matched. Wrong tire combinations can cause driveline bind, tire scrub, poor steering, and expensive wear.
R1 Ag vs Industrial vs Turf Tires on a Kubota MX5100
The confirmed common MX5100 listings are ag-style tire sizes, but owner setups can vary. Some machines may have different dealer-installed or owner-installed wheels and tires. The key is to match the complete wheel and tire package, not just the tread pattern.
R1 Ag
Best for dirt, soil, mud, pasture work, field traction, and maximum bite. Harder on lawns.
Industrial
Good for loader work, gravel, hardpack, snow, and mixed property use if the tractor has the correct matched wheel package.
Turf
Best for lawn protection and mowing, but weakest for loader abuse, mud, and heavy drawbar work.
Kubota MX5100 Tire Pressure
Kubota MX5100 tire pressure is not one universal number. It depends on tire size, tread type, ply/load rating, ballast, loader use, road travel, sidewall limit, and tire manufacturer guidance. Use the operator manual, tire sidewall, and tire maker’s load chart for your exact tire.
Use Case
Pressure Guidance
Why It Matters
Field work with R1 tires
Use tire load chart and avoid unnecessary overinflation
Correct pressure improves traction and reduces soil compaction.
Loader work
Front tires may need more pressure within tire limits
Loader weight puts extra load on the front axle and front tires.
Road travel
Use pressure suitable for speed, load, and tire rating
Reduces heat buildup, squirm, and uneven tire wear.
Ballasted rear tires
Recheck inflation after adding liquid ballast or wheel weights
Ballast changes sidewall deflection and tire load.
Owner tip: if the MX5100 rides rough, spins easily, feels unstable, or steers badly with a loader, check tire pressure and ballast before blaming the tractor.
Kubota MX5100 Tire Chains
Rear tire chains for the Kubota MX5100 must match the rear tire size. For the common rear setup, the rear chain target is 14.9-26. Chains are mainly useful for snow, ice, wet slopes, mud, and poor traction conditions.
The Kubota MX5100 is often used with a front loader, so tire choice and pressure matter. The 4WD setup with 9.5-16 front and 14.9-26 rear gives better traction than 2WD, but it also makes correct front/rear tire matching more important.
Tire / Setup
Loader Work Notes
Owner Guidance
4WD 9.5-16 / 14.9-26
Good traction and common utility setup
Use proper rear ballast and tire pressure suitable for loader load.
2WD 7.5L-15 / 14.9-26
Rear-drive traction only
More dependent on rear ballast and surface conditions.
R1 ag tires
Strong bite in dirt but can mark turf
Best for field, dirt, mud, and soil work.
Industrial-style tires
Better hard-surface durability if correctly matched
Good for gravel and loader work only if the tractor has compatible wheels.
Common Kubota MX5100 Tire Problems
Problem
Likely Cause
Fix
4WD binding or tire scrub
Mismatched front/rear tire rolling size or wrong tire combination
Use matched front/rear tire sizes and avoid random swaps.
Poor loader traction
No rear ballast, wrong pressure, worn tires, or poor surface conditions
Add proper ballast, check pressure, and inspect tire tread.
Rear tire spin
Worn lugs, too much air pressure, not enough ballast, or wet/loose ground
Check lug depth, tire pressure, ballast, and tire type.
Front tire sidewall damage
Loader work, low pressure, overload, or weak tire rating
Use correct load rating and pressure for loader use.
Slow rear leak
Tube issue, valve stem, bead leak, rim corrosion, or ballast damage
Inspect tire, tube, valve, bead, and rim condition.
Tire chains rubbing
Wrong chain size, loose chains, or poor clearance
Use chains sized for 14.9-26 rear tires and check clearance carefully.
Kubota MX5100 Tire Size Comparison
Common Tire Size Comparison
2WD front tire 7.5L-15
4WD front tire 9.5-16
Rear tire 14.9-26
Rear rim diameter 26 inches
Replacement Buying Checklist
Check This
Correct MX5100 Target
Drive type
Confirm 2WD or 4WD before ordering front tires
Current front tire size
Read the size stamped on your current front tire sidewall
Current rear tire size
Read the size stamped on your current rear tire sidewall
Common 4WD setup
9.5-16 front / 14.9-26 rear
Common 2WD setup
7.5L-15 front / 14.9-26 rear
Rear rim diameter
26 inch for 14.9-26 rear tires
4WD front rim diameter
16 inch for 9.5-16 front tires
2WD front rim diameter
15 inch for 7.5L-15 front tires
4WD matching
Keep front/rear rolling ratio correct
Tire pressure
Use tire sidewall, operator manual, and tire manufacturer guidance
Kubota MX5100 Tire Size Questions
What size are the tires on a Kubota MX5100 4WD?
The common Kubota MX5100 4WD tire size is 9.5-16 front and 14.9-26 rear.
What size are the tires on a Kubota MX5100 2WD?
The common Kubota MX5100 2WD tire size is 7.5L-15 front and 14.9-26 rear.
What is the Kubota MX5100 rear tire size?
The common rear tire size is 14.9-26.
What is the Kubota MX5100 front tire size?
The common 4WD front tire size is 9.5-16. The common 2WD front tire size is 7.5L-15.
Can I put different size tires on a Kubota MX5100 4WD?
Not casually. On a 4WD tractor, front and rear rolling circumference must stay matched. Random size changes can damage the driveline.
What rear tire chains fit a Kubota MX5100?
For the common rear setup, use chains sized for 14.9-26 rear tires.
What tire pressure should a Kubota MX5100 use?
There is no single universal pressure. Use the tire sidewall, operator manual, and tire manufacturer guidance for your exact tire type, load, ballast, and use.
Are Kubota MX5100 front and rear tires matched for 4WD?
Yes, the common 4WD setup of 9.5-16 front and 14.9-26 rear is a matched package. Do not mix sizes without checking rolling circumference and lead-lag ratio.
Which tires are best for loader work on a Kubota MX5100?
Correctly matched 4WD tires with proper front pressure and rear ballast matter most. Industrial-style tires can be good for hard surfaces if the tractor has the correct compatible wheel package.
Which Kubota MX5100 tires give the most traction?
R1 agricultural tires usually give the most bite in dirt, mud, loose soil, and field work.
Kubota MX5100 Tire Size Summary
Common 4WD front tire: 9.5-16.
Common 4WD rear tire: 14.9-26.
Common 2WD front tire: 7.5L-15.
Common 2WD rear tire: 14.9-26.
4WD front rim diameter: 16 inch.
2WD front rim diameter: 15 inch.
Rear rim diameter: 26 inch.
Best owner answer: use 9.5-16 front and 14.9-26 rear for 4WD; use 7.5L-15 front and 14.9-26 rear for 2WD.
Last checked: Kubota MX5100 4WD tire size, 2WD tire size, rear tire size, rim diameter guidance, replacement tire guidance, and 4WD tire matching checked against Kubota brochure/spec references and tractor specification references.
