Best Rear Tires For Zero Turn Mowers: Compare 10 Options

#1 · Best Overall

1. Spartan Mowers Radial Tire

• Size: 22×12-10
• Rim Size: 10 in
• Weight: 22.1 lb

Best for: Spartan RZ HD slope traction.

Why it ranks #1: The 22×12-10 size and specified fit for Spartan RZ HD models make this the clearest rear-tire match; its radial design targets grip and ride comfort.

Radial construction lets this genuine Spartan 22×12-10 tire run at lower air pressure, which the listing connects to a smoother ride. Its tread is also specified to add grip on slopes and ditches compared with standard zero-turn tires, making it a focused replacement for listed RZ HD models.

This tire-only replacement is listed for Spartan RZ HD models from 2020 through 2022, so the model range provides a clear fit boundary. Radial construction supports running lower air pressure for a smoother ride, while the tread design is described as increasing grip on slopes and ditches. Spartan also specifies a pattern intended for longer life and more traction. The 22×12-10 size should be checked against the mower's existing tire; no wheel assembly is included.

Skip it if you need a tire and wheel assembly together; Wiltire's 18×9.50-8 pair arrives mounted on rims.

This Spartan tire suits owners of listed 2020–2022 RZ HD models seeking radial ride characteristics and slope grip. It is a tire-only replacement, so plan around the existing wheel and verify the 22×12-10 fit.

Listed on Amazon as: Spartan Mowers 422-0039-00 22×12-10 Radial Tire RZ HD Zero Turn

#2 · Largest Pair

2. Aptliton 20×10-8 Tires

• Size: 20×10-8
• Rim Size: 10 in
• Weight: 44.1 lb

Best for: Adjustable-hub turf tire pair.

Why it ranks #2: The 20×10-8 two-piece assembly is a substantial rear-tire option, with air-filled cushioning, a 295-pound load capacity, and adjustable hub components.

Five nylon bushings and two oil-impregnated bearings give this 20×10-8 assembly an adjustable-hub approach to fitting common rim sizes. Its listed Turf-Saver patterns include smooth, FC, and aggressive S-design options, giving mower owners a choice of tread layout for lawn protection, traction, and differing ground conditions.

The adjustable hub and supplied bushings and bearings support adapting the assembly to common rim sizes, which can simplify setup when the hub dimensions match. Buyers can choose among smooth, FC, or aggressive S-design tread layouts, with the description connecting those patterns to lawn protection and traction on wet grass, slopes, gravel, and rough terrain. The listed 20×10-8 size and 295-pound load capacity are important checks for compatibility and operating demands.

Skip it if you need a stated capacity above 295 pounds; TUFFIOM 18×9.50-8 lists an 815-pound capacity.

Consider this Aptliton pair if adjustable hub hardware and a choice of Turf-Saver patterns suit your mower and terrain. The 20×10-8 dimensions and 295-pound listed capacity are important boundaries to check.

Listed on Amazon as: Aptliton 20×10-8 Pneumatic Tires – 2pc, Keyed Hub, Turf-Saver

#3 · Specific Model Fit

3. MowerPartsGroup 20×8.00-8 Assemblies

• Size: 20×8.00-8
• Rim Size: 8 in
• Weight: 32 lb

Best for: Cub Cadet ZT1 replacement pair.

Why it ranks #3: These 20×8.00-8 turf assemblies list fitment for several Cub Cadet ZT1 configurations and replace specified part numbers; verify model and serial details.

The specified Cub Cadet ZT1 fit makes this 20×8.00-8 tire pair a focused replacement option for owners of listed 42- and 46-inch models. Four-ply pneumatic tires with Grassmaster turf tread combine an air-filled construction with a lawn-oriented tread pattern, while heavy-duty four-lug wheels arrive powder coated black.

Fit information names ZT1-42-inch models from specified years and ZT1-46-inch models from specified years, giving owners a concrete starting point for replacement planning. The 20×8.00-8 size and four-lug wheels further define the assembly. Four-ply pneumatic tires provide an air-filled setup, while Grassmaster turf tread targets lawn use. The pair replaces listed numbers 634Z05924 and 634Z07264; model, serial, and part-number verification remains important before ordering.

Skip it if you need flat-free tires instead of pneumatic ones; MARASTAR 00232-2PK is a flat-free assembly option.

For owners of the specified Cub Cadet ZT1 42- or 46-inch models, this pair offers a model-directed 20×8.00-8 replacement. Its fit listing is specific, so verify your model, serial, and replacement number.

Listed on Amazon as: (2) Turf Tire Assemblies 20×8.00-8 Fits Cub Cadet ZT1 42" 46" 634Z05924

#4 · Highest Capacity

4. TUFFIOM 18×9.50-8 Tires

• Size: 18×9.50-8
• Rim Size: 8 in

Best for: Higher-capacity turf tire set.

Why it ranks #4: The 18×9.50-8 pair is a common mower-tire size, and its stated 815-pound carrying capacity supports buyers prioritizing load capacity.

An 815-pound listed carrying capacity gives this TUFFIOM 18×9.50-8 tubeless pair a clear use case for mower owners comparing load limits. The set of two is sized for lawn and garden utility vehicles, and its 8-inch rim size identifies the wheel format for replacement planning.

The 18×9.50-8 size puts these tires in a larger format than compact mower assemblies, helping owners compare them with their existing rear tires. Their tubeless construction avoids an inner tube, while the listed 815-pound carrying capacity provides a concrete load figure for evaluating mowing and garden work. TUFFIOM describes the tires as suitable for lawn mowers and garden tractors, and the two-tire set supports replacing a pair together. The listing does not specify a mounted wheel assembly.

Skip it if you want tires already mounted on steel rims; Wiltire's 18×9.50-8 pair arrives pre-mounted.

This TUFFIOM set suits buyers seeking 18×9.50-8 tubeless tires with a stated 815-pound capacity for lawn and garden vehicles. Confirm the replacement tire format and installation requirements for your mower.

Listed on Amazon as: TUFFIOM 18×9.50-8 Lawn Mower Tires Set of 2, 4PR Turf Tire Lawn & Garden Tires, Compatible With Most Lawn & Garden Utility Vehicles, Tubeless

#5 · Ready-Mounted Pair

5. Wiltire 18×9.50-8 Assemblies

• Size: 18×9.50-8 Tubeless (Turf-S,4 Lugs,2 Pack)
• Rim Size: 8 in

Best for: Pre-mounted rear wheel replacement.

Why it ranks #5: This 18×9.50-8 pair arrives mounted on 8×7-inch steel rims, simplifying replacement for buyers whose mower accepts the listed four-lug turf assembly.

Two tubeless 18×9.50-8 turf tires arrive already mounted on 8×7-inch steel rims, letting zero-turn owners replace a matched pair without mounting tires onto wheels first. Their 4-lug layout and 8-inch wheel size identify the assembly format, while the 9.5-inch section width gives buyers concrete dimensions to compare with their existing setup.

The pre-mounted construction streamlines replacement because the tires are already on steel rims, and the two-piece set supports changing both sides together. Tubeless construction avoids an inner tube, while the 18-inch diameter and 9.5-inch section width make the tire dimensions explicit for fit planning. The product lists zero-turn mowers, UTVs, ATVs, and trailers as compatible vehicle types; the 4-lug wheel detail also helps buyers assess the mounting arrangement before installation.

Skip it if you need a smaller 11×4.00-5 assembly; MARASTAR 00232-2PK is the listed compact alternative.

Choose this Wiltire pair when your zero-turn uses 18×9.50-8 tires and you want rim-mounted replacements ready for installation. Check the 8×7-inch rim and 4-lug layout against your mower before committing.

Listed on Amazon as: 2 PCS 18×9.50-8 Tubeless Lawn Mower Rear Tire and Wheel

#6

6. Lucky Seven 18×8.50-8 Tires

• Size: 18×8.50-8 Lawn Mower Tire
• Rim Size: 8 in
• Weight: 16 oz

Best for: Lawn-protective all-terrain pair.

Why it ranks #6: The 18×8.50-8 tubeless pair has a turf-oriented P332 tread and stated 815-pound load capacity, but confirm its narrower size matches your rear wheels.

The P332 tread has a flat design and 4 mm depth, a combination the listing says minimizes lawn damage while helping these 18×8.50-8 tires tackle hills, mud, and wet grass. This two-tire, 4-ply tubeless set offers a turf-focused option for zero-turn mower owners who also need varied-terrain traction.

The 4-ply tubeless construction removes the need for an inner tube, while reinforced rubber with carbon black is specified for durability. The P332 tread's 4 mm depth and flat design are described as reducing lawn damage and tire marks, balancing turf care with traction. The 18×8.50-8 dimensions and 815-pound listed load capacity help buyers assess fit and operating demands. The product is also listed for riding mowers, golf carts, and garden utility vehicles.

Skip it if you need 18×9.50-8 tires; TUFFIOM's 18×9.50-8 set offers that wider listed size.

Pick this Lucky Seven pair if your mower takes 18×8.50-8 tires and you want a tubeless tread described for lawn protection and varied terrain. Match the dimensions and load needs to your equipment.

Listed on Amazon as: 18×8.50-8 Lawn Mower Tire,18×8.50×8 Lawn Mower Tires Set of 2, 4-Ply Tubeless Turf Tires for Zero Turn Mower/Golf Cart/Tractor, Heavy Duty 18×8.5-8 Tires with P332 Tread, Max Load 815LBS

#7

7. Iococee 11×6.00-5 Tires

• Size: 11*6.00-5
• Rim Size: 5 in
• Weight: 6.62 kg

Best for: Flat-free traction for wet ground.

Why it ranks #7: These flat-free 11×6.00-5 tires avoid air-pressure maintenance, but their compact dimensions make them a less convincing rear-tire choice for many zero-turn mowers.

Deep tread grooves channel water and mud, giving these 11×6.00-5 flat-free tires a specific advantage for mowing in damp conditions. Polyurethane construction avoids air-pressure maintenance, while the listing also describes stronger traction than smooth solid tires on slopes and rough terrain.

The polyurethane tires are tubeless and described as anti-puncture, so owners can avoid monitoring air pressure and dealing with punctures. Deep grooves help move water and mud away during wet-weather operation, while the stated traction benefit over smooth solid tires is relevant on slopes and rough terrain. The 11×6.00-5 size defines a compact assembly, and the product cautions against highway or high-speed use. Its lack of an air cushion can make bumpy rides less smooth.

Skip it if you prioritize a cushioned ride on rough ground; Aptliton 20×10-8 lists an air-filled, shock-absorbing design.

These Iococee tires fit buyers seeking flat-free 11×6.00-5 replacements for damp lawns, slopes, or rough terrain. The compact size, reduced cushioning, and explicit restriction on high-speed use set clear boundaries.

Listed on Amazon as: 11×6.00-5 Flat Free Lawn Mower Tires

#8

8. RONPOW 13×6.50-6 Tires

• Size: 13×6.50-6
• Rim Size: 6 in
• Weight: 22 lb

Best for: High-capacity flat-free replacement.

Why it ranks #8: The solid polyurethane 13×6.50-6 pair includes multiple bearing and spacer sizes and a 500-pound capacity, though the small tire size limits rear fit.

A listed 500-pound load capacity sets this RONPOW 13×6.50-6 pair apart for buyers prioritizing carrying capacity in a flat-free mower tire. Solid polyurethane tires on alloy-steel wheels remove the need for air-filled construction, while the package includes multiple bearing and spacer sizes for adapting the assemblies during installation.

Solid polyurethane construction avoids air-pressure maintenance, while alloy-steel wheels and higher-grade bearings are specified as part of the assembly. The 500-pound load capacity gives buyers a concrete figure for evaluating work demands. Included 1/2-inch and 5/8-inch bearings, plus several spacer thicknesses and inner-diameter options, support fitting the wheel assembly to different setups. The 13×6.50-6 size remains the main dimension to compare with the mower's current tires.

Skip it if you need an 18×9.50-8 rear tire; TUFFIOM's 18×9.50-8 set matches that larger format.

Choose this RONPOW pair when your mower takes 13×6.50-6 tires and you want flat-free construction with a stated 500-pound capacity. The compact size and included fitting hardware make compatibility checks essential.

Listed on Amazon as: RONPOW 13×6.50-6 Flat Free Zero Turn Lawn Mower Tires, 500lb Load Capacity

#9

9. MARASTAR 11×4.00-5 Assemblies

• Size: 11×4.00-5
• Weight: 11.6 lb

Best for: Flat-free compact mower assembly.

Why it ranks #9: These 11×4.00-5 flat-free assemblies include adapter hardware and a one-year limited warranty, but their small size is unlikely to suit typical rear wheels.

Polyurethane flat-free tires eliminate the need to maintain air pressure, making this two-wheel 11×4.00-5 assembly a practical choice for owners seeking to avoid puncture-related interruptions. The tires come mounted on rims, and an included adapter kit supports installation across compatible zero-turn mower setups.

The flat-free polyurethane construction avoids flats while retaining bounce and load-handling characteristics described as similar to an air-filled tire. Because both tires arrive mounted on rims, replacement can be handled as an assembly rather than requiring a tire shop to mount them. The package includes 5/8-inch bushings, nylon spacers, and steel washers to support fit adjustment. Its 11×4.00-5 size suits buyers looking for this compact format, not larger rear tire dimensions.

Skip it if you need an 18×9.50-8 rear tire; Wiltire's 18×9.50-8 tubeless pair matches that size.

This MARASTAR assembly suits zero-turn owners prioritizing flat-free operation and a ready-mounted 11×4.00-5 replacement. Its compact dimensions are the key boundary: verify that this size and the included adapter hardware suit your mower.

Listed on Amazon as: MARASTAR 00232-2PK Universal Fit Flat-Free 11×4.00-5 Tire and Wheel Assembly, Zero Turn Lawn Mower Replacement Tires, Smooth Tread, Adapter Kit included, 2 pack

#10

10. RONPOW 11×4.00-5 Tires

• Size: 11×4.00-5
• Rim Size: 5 in

Best for: Flat-free 11-inch mower wheels.

Why it ranks #10: The 11×4.00-5 flat-free pair offers a 350-pound load capacity and spacer options, but its compact size makes it the weakest rear-tire match here.

Solid polyurethane construction means this RONPOW 11×4.00-5 assembly does not depend on air pressure, making it a practical option for buyers seeking to avoid flat-related interruptions. The two-pack includes alloy-steel wheels and multiple bearings and spacers, with a listed 350-pound load capacity.

The flat-free polyurethane tire and alloy-steel wheel combine a puncture-avoiding format with durable listed materials, while the 350-pound load capacity gives buyers a concrete operating figure. Included 1/2-inch and 5/8-inch bearings, along with several spacer thicknesses and inner-diameter options, can support adapting the wheel assembly to the mower's axle setup. At 11×4.00-5, this is a compact tire size; compare it with the existing assembly before ordering.

Skip it if you need a listed capacity above 350 pounds; RONPOW 13×6.50-6 lists a 500-pound capacity.

Choose this RONPOW pair for a mower that takes 11×4.00-5 tires and where flat-free operation matters. Its 350-pound capacity and compact dimensions are key limits to match against your use.

Listed on Amazon as: RONPOW 11×4.00-5 Zero Turn Lawn Mower Tires Flat Free, 350lb Load Capacity