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17.5 tires

Forddude11
Explorer
Explorer
Right now I am running 235/85 Goodyear G614's on my 16,000# GVW fifth wheel. My pin is just under 3,000# at 2984#. I am looking to change the tires as they are carrying a 2009 date code on them... I have the ability to jump to 17.5 rims and tires.. I can't imagine there are any cons to make this move other than initial cost , but will ask anyway....Should I save the money and just do the direct replacement , or make the jump? Are the G114's hard to find on the road if needed ?..THX in advance..
48 REPLIES 48

Denny___Jami
Explorer
Explorer
We are running 17.5 Sumitomo H tires. After 2 sets of GY 614 G with treads coming off both sets I went to tire that will last.

Denny
2013 F350 SC DRW 6.2 V8 4.30 gears Air Lifts
2003 HitchHiker Premier 35FKTG 215/75/17.5 Goodyear G114 Tires

ramburgy
Explorer
Explorer
We had G614's on our Cameo as upgrade from Carriage. They had about 20,000 miles on them, and were 3 years old when one exploded and did $6,500 in damage to our trailer. We were going 55 mph, and the tires had 110 psi. We just had the tires inspected and told they were good. The $6,500 did not include the road service. We did everthing by the book to take care of them, including keeping them covered.

Please take my advice, get the 17.5 wheels and tires.
Rich
2011 Ford F350 Diesel Super Duty FX4 Short Bed
2011 Cameo F37RESLS
Pullrite 18,000# Superglide

Forddude11
Explorer
Explorer
pcm1959 wrote:
We ordered the Goodyear 114 series 17.5 tires on our new fiver. The Goodyear is the only reputable manufacturer of a high capacity rated 16" trailer tire. Yet it the 17.5 size, there are about 6 or 8 decent manufactures. The 17.5 is slightly less in diameter than the g614 yet, at least what others report, the 17.5 is a much more reliable tire choice. Phillip


Who are some of the other decent manufacturers that have a good 17.5 tire?

pcm1959
Explorer
Explorer
We ordered the Goodyear 114 series 17.5 tires on our new fiver. The Goodyear is the only reputable manufacturer of a high capacity rated 16" trailer tire. Yet it the 17.5 size, there are about 6 or 8 decent manufactures. The 17.5 is slightly less in diameter than the g614 yet, at least what others report, the 17.5 is a much more reliable tire choice. Phillip
2018 GMC Sierra 3500 DRW 4x4 Duramax/Allison
2014 Lifestyle LS36FW
St Augustine, FL

kakampers
Explorer
Explorer
After watching one of our 2 year old G614's throw it's entire tread, the upgrade to 17.5 G114's was a no-brainer! Absolutely zero issues with these tires since!!
2013 Heartland Landmark Key Largo with Mor Ryde IS and disc brakes
2011 Chevy Silverado 3500 DRW Crew Cab Duramax Diesel

Hunter11
Explorer II
Explorer II
We just ordered a new unit and it came with 16" G614 tires standard. The upgrade to 17.5 G114 tires and wheels was a $900 option. For me that was a no brainer considering what it would have cost us to upgrade after the fact.
2017 Chevrolet 3500 4DR LTZ DRW LWB 4X4 D/A
2017 Chevrolet Silverado 1500 4DR
2016 DRV Mobile Suites 36RSSB3

Peg_Leg
Explorer
Explorer
Switching rims you need to check the offset to make sure the new tire won't hit the frame or the outside wheel well openings. Then make sure you have the clearance for the larger diameter.

Now days you can get on the internet and have a product shipped to you in a couple of days. It will still cost less than a total makeover.
2012 Chevy 3500HD Dually 4X4
Crew Cab long bed 6.0 gasser 4.10
2019 Open Range OF337RLS
Yamaha EF3000iSE
retired gadgetman

samandtheduck
Explorer
Explorer
I blew two 16" tires (not Goodyear) and it ruined two outings and tied up my trailer for repairs. I read about the G614 and just about the time I would decide to get them someone would say "Goodyear payed for the damage when we had a blowout". I didn't want this to happen and didn't read of any problems with the 17.5" tires so I changed over. More upfront cash but I am comfortable with my choice.

Cummins12V98
Explorer III
Explorer III
I would stick with the GY G tires in 16" with your weight. My MS weighs at least 18K and the original GY G's went 5 years with the spare never hitting the ground. I did go with the GY H 17.5 and Alcoa's. Bought mine from trailertiresandwheels.com mounted and balanced.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

fsujeeper
Explorer
Explorer
i would go with 17.5's. I believe it would be harder to find a 16 inch tire with a 3900 lb rating on the road, than a 17.5. all of the commercial shops carry them and are in stock. Also the 17.5 is about 1000 lbs more in capacity than the 16. Only downfall is the weight, 17.5 combo weighs over 100 lbs.

Luke_Porter
Explorer
Explorer
When I found one, it was $500.
Yep, actually drove to all of these places---in the last eight years. Missed Rhode Island and New Jersey.


.

chiefneon
Explorer
Explorer
Howdy!

If you have had tire problems go with the 17.5 tires and rims. We have G614s on our 5er and had five claims with Goodyears due to tread sepration and they GY always paid. We upgraded to 17.5 and have never had another tire problem.

"Happy Trails"
Chiefneon

I too would stay with the G614's...I would think the cost of upgrading all 4 tires and wheels would be very expensive... If your pin is just about 3,000# , that leaves about 3,200# per tire. The G614's are rated for 3,750#... That's a very good cushion.... A lot more than most I would guess,,
Me-Her-the kids
2020 Ford F350 SD 6.7
2020 Redwood 3991RD Garnet

Forddude11
Explorer
Explorer
Thanks for your comments so far... That is exactly what I was thinking , but sometimes us men need to hear it from other guys and not just our wives ! :B

720Deere
Explorer
Explorer
Ric Flair wrote:
Stick with the G614's and trade the money you would have spent on 17.5 rims for a cool camping trip and new memories.


I'm with Ric on this one. G114s are going to be tougher than your current G614, but even the G614 gives you plenty of safety factor. If I was buying a new trailer, I would definitely take the 17.5s as an option, but I wouldn't spend the money to convert a 16" setup over to 17.5".
2011 Ford F-350 4X4 CC LB SRW 6.7
2013 Keystone Fuzion 315
B&W Companion Hitch
1 wife 2 kids and 1 dog