What's the ply rating on the OTR Grassmaster?

The OTR Grassmaster has a 2 or 4 ply rating, depending on size.

Is the OTR Grassmaster available in various sizes?

Yes, the OTR Grassmaster is offered in a number of sizes for different fitments.

Is the OTR Grassmaster easy on turf?

Yes, the tread design of the OTR Grassmaster is designed for minimal compaction of delicate turf.

What would be some good applications for the OTR Grassmaster?

The OTR Grassmaster is a good choice for parks, cemeteries, golf courses and other grounds maintenance work (as well as for homeowners).

Is the OTR Grassmaster a good choice for zero-turn mowers?

Yes, the OTR Grassmaster is an excellent tire for zero-turn mowers as well as conventional riding mowers.

Is the OTR Grassmaster long-wearing?

Yes, the tread formulation of the OTR Grassmaster is designed for a long service life.

Will the OTR Grassmaster provide good traction?

Yes, the herringbone tread pattern of the OTR Grassmaster delivers good grip even on hillsides.

Would the OTR Grassmaster be a good golf cart tire?

No, while some lawn and turf tires can work on golf carts, the OTR Grassmaster is designed specifically for lawn machines.

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Grassmaster

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27 Reviews

27 on SimpleTire

4.0

out of 5

Write a review

Would you buy again?81%

Dry
4.3 out of 5
Wet
3.7 out of 5
Winter
3.2 out of 5
Comfort
4.2 out of 5
Noise
3.9 out of 5
Treadwear
4.0 out of 5

jerome vacek

Verified Customer

Jul 23, 2020

zero turn mower tires working as good as originals

Anthony Cavanaugh

Verified Customer

May 6, 2020

I ordered tires for my hustler trimstar, which is a mower. For a great deal I might add. These tires have held there own. Taking steep hi...

Craig Walker

Verified Customer

Jun 5, 2020

Lawn mower tires. Sam as OEM. Good service from Simple Tire. Kept me informed on delivery time. Good price.

Danny

Verified Customer

May 7, 2020

Great tire perfect match

Tony

Verified Customer

May 6, 2020

Great tire so far. I would definitely buy again.

mike haselip

Verified Customer

these are a great tire for the money.

Noel Staszewski

Verified Customer

Mar 25, 2019

Identical replacement to the originals on the rear of my Hustler Raptor SD mower. Very fast shipping and easy purchase.

Kenneth D. Goering

Verified Customer

Nov 30, 2018

I used these tires on garden carts for carrying fire wood and I am totally satisfied. I also have a pair on a Snapper lawn mower that sho...

See all customer reviews for grassmaster tires

Get technical:

The OTR Grassmaster is a great choice in a commercial-grade lawn and turf tire that's rugged, but easy on delicate turf.

15/666
$47.99
Label Value
Width 15
Ratio 6
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
15.00/6-6
$41.99
Label Value
Width 15.00
Ratio 6-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	15
Ratio	6
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	15.00
Ratio	6-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

16/6.50-8
$48.99
Label Value
Width 16
Ratio 6.5-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
16/6.50-8
$51.96
Label Value
Width 16
Ratio 6.50-
Inflation Pressure 28
Tread Depth 9.00
Width Range NA
Sidewall NA
Tread Width NA
Sidewall NA
16/7.50-8
$51.96
Label Value
Width 16
Ratio 7.5-
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
16/7.50-8
$78.98
Label Value
Width 16
Ratio 7.5-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
18/8.5058
$55.99
Label Value
Width 18
Ratio 8.5
Inflation Pressure 22
Tread Depth NA
Width Range NA
Sidewall Tubeless
Tread Width NA
Sidewall Tubeless
18/8.50-8
$73.98
Label Value
Width 18
Ratio 8.50-
Inflation Pressure 22
Tread Depth 9.00
Width Range NA
Sidewall Tubeless
Tread Width NA
Sidewall Tubeless
18/9.50-8
$71.95
Label Value
Width 18
Ratio 9.50-
Inflation Pressure 24
Tread Depth 6.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/10.00-8
$61.96
Label Value
Width 20
Ratio 10.00-
Inflation Pressure 22
Tread Depth 8.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/10.00-8
$67.98
Label Value
Width 20
Ratio 10.00-
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/10.5058
$103.99
Label Value
Width 20
Ratio 10.5
Inflation Pressure 24
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/8.00-8
$56.96
Label Value
Width 20
Ratio 8.00-
Inflation Pressure 22
Tread Depth 4.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	16
Ratio	6.5-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	16
Ratio	6.50-
Inflation Pressure	28
Tread Depth	9.00
Width Range	NA
Sidewall	NA
Tread Width	NA
Sidewall	NA

Label	Value
Width	16
Ratio	7.5-
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	16
Ratio	7.5-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	18
Ratio	8.5
Inflation Pressure	22
Tread Depth	NA
Width Range	NA
Sidewall	Tubeless
Tread Width	NA
Sidewall	Tubeless

Label	Value
Width	18
Ratio	8.50-
Inflation Pressure	22
Tread Depth	9.00
Width Range	NA
Sidewall	Tubeless
Tread Width	NA
Sidewall	Tubeless

Label	Value
Width	18
Ratio	9.50-
Inflation Pressure	24
Tread Depth	6.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	10.00-
Inflation Pressure	22
Tread Depth	8.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	10.00-
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	10.5
Inflation Pressure	24
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	8.00-
Inflation Pressure	22
Tread Depth	4.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

18/10.00-10
$73.98
Label Value
Width 18
Ratio 10.00-
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
18/10.50-10
$72.98
Label Value
Width 18
Ratio 10.5-
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
18/8.50-10
$62.96
Label Value
Width 18
Ratio 8.50-
Inflation Pressure 22
Tread Depth 9.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/10.00-10
$64.28
Label Value
Width 20
Ratio 10.00-
Inflation Pressure 22
Tread Depth 9.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/10.00-10
$81.96
Label Value
Width 20
Ratio 10.00-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/12.00-10
$80.98
Label Value
Width 20
Ratio 12.00-
Inflation Pressure 20
Tread Depth 8.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/6.50-10
$75.98
Label Value
Width 20
Ratio 6.5-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/6.50-10
$65.98
Label Value
Width 20
Ratio 6.50-
Inflation Pressure 24
Tread Depth 9.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/8.00-10
$74.98
Label Value
Width 20
Ratio 8.00-
Inflation Pressure 22
Tread Depth 9.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
20/8.00-10
$81.96
Label Value
Width 20
Ratio 8.00-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
22/11.00-10
$96.99
Label Value
Width 22
Ratio 11.00-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
22/11.00-10
$103.96
Label Value
Width 22
Ratio 11.00-
Inflation Pressure 22
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
22/11.00-10
$104.99
Label Value
Width 22
Ratio 11.00-
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	18
Ratio	10.00-
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	18
Ratio	10.5-
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	18
Ratio	8.50-
Inflation Pressure	22
Tread Depth	9.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	10.00-
Inflation Pressure	22
Tread Depth	9.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	10.00-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	12.00-
Inflation Pressure	20
Tread Depth	8.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	6.5-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	6.50-
Inflation Pressure	24
Tread Depth	9.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	8.00-
Inflation Pressure	22
Tread Depth	9.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	20
Ratio	8.00-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	22
Ratio	11.00-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	22
Ratio	11.00-
Inflation Pressure	22
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	22
Ratio	11.00-
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

22/12212
$106.99
Label Value
Width 22
Ratio 12
Inflation Pressure NA
Tread Depth NA
Width Range NA
Sidewall Tubeless
Tread Width NA
Sidewall Tubeless
23/10.50-12
$97.99
Label Value
Width 23
Ratio 10.50-
Inflation Pressure 22
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
23/10.50R12
$110.96
Label Value
Width 23
Ratio 10.50R
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
23/9.50-12
$93.96
Label Value
Width 23
Ratio 9.5-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Tubeless
Tread Width NA
Sidewall Tubeless
24/12.00-12
$109.97
Label Value
Width 24
Ratio 12.00-
Inflation Pressure 20
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
24/12.00-12
$123.96
Label Value
Width 24
Ratio 12.00-
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
24/9.50-12
$141.99
Label Value
Width 24
Ratio 9.50-
Inflation Pressure 24
Tread Depth 12.00
Width Range NA
Sidewall NA
Tread Width NA
Sidewall NA
25/10.00-12
$91.97
Label Value
Width 25
Ratio 10.00-
Inflation Pressure 22
Tread Depth 12.00
Width Range NA
Sidewall NA
Tread Width NA
Sidewall NA
25/12.00-12
$130.96
Label Value
Width 25
Ratio 12.00-
Inflation Pressure 20
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
26/10.50-12
$146.96
Label Value
Width 26
Ratio 10.50-
Inflation Pressure 22
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
26/12.00-12
$181.98
Label Value
Width 26
Ratio 12.00-
Inflation Pressure 20
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
26/12R12
$155.97
Label Value
Width 26
Ratio 12R
Inflation Pressure 0
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	22
Ratio	12
Inflation Pressure	NA
Tread Depth	NA
Width Range	NA
Sidewall	Tubeless
Tread Width	NA
Sidewall	Tubeless

Label	Value
Width	23
Ratio	10.50-
Inflation Pressure	22
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	23
Ratio	10.50R
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	23
Ratio	9.5-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Tubeless
Tread Width	NA
Sidewall	Tubeless

Label	Value
Width	24
Ratio	12.00-
Inflation Pressure	20
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	24
Ratio	12.00-
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	24
Ratio	9.50-
Inflation Pressure	24
Tread Depth	12.00
Width Range	NA
Sidewall	NA
Tread Width	NA
Sidewall	NA

Label	Value
Width	25
Ratio	10.00-
Inflation Pressure	22
Tread Depth	12.00
Width Range	NA
Sidewall	NA
Tread Width	NA
Sidewall	NA

Label	Value
Width	25
Ratio	12.00-
Inflation Pressure	20
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	26
Ratio	10.50-
Inflation Pressure	22
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	26
Ratio	12.00-
Inflation Pressure	20
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	26
Ratio	12R
Inflation Pressure	0
Tread Depth	0.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

24/12.00-14
$138.99
Label Value
Width 24
Ratio 12.00-
Inflation Pressure 12
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
24/9.50-14
$134.99
Label Value
Width 24
Ratio 9.50-
Inflation Pressure 12
Tread Depth 12.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	24
Ratio	12.00-
Inflation Pressure	12
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	24
Ratio	9.50-
Inflation Pressure	12
Tread Depth	12.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

29/12.50-15
$418.96
Label Value
Width 29
Ratio 12.50-
Inflation Pressure 60
Tread Depth 0.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
31/15.50-15
$534.99
Label Value
Width 31
Ratio 15.50-
Inflation Pressure 60
Tread Depth 22.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall