Mismatched tire rating

[Rocki]

New to the world of off road tires and different ratings. Bought my 22 BB four door in July, previous owner had put Falken AT3/W tires on it, 285/7017. The dealer I bought it from had replaced the front tires due to uneven wear from an alignment issue. I just noticed that the front and rear tires are the same size, but different ratings.
Front Tires
LT285/70R17 116/1130 Load range C

Rear Tires and Spare:
P285/70R17 117T Standard Load

Is this an issue? I wasn’t up to speed on the different load ratings etc when o bought it and missed the difference.
If it is an issue, which ones should I match?

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[Fordified1]

I would probably just make sure to keep the matching pairs on the same axle. (Front or rear). But it would be curious to measure circumference of each with a flexible tape measure or use a string. They do need to have the same roll-out especially if you use 4A on the highway.

 

[dgorsett]

I went to Falkens' website and discovered that while they are the same OD 32.8 the P tires are 50 # each the LTs 60#, so definitely keep them on the same axle, which messes up your rotation options. Oddly the P tire has a higher load carrying rating than the Lt. I might see if there was a way to swap out for the ones you prefer. I'm a big fan of LT tires for puncture resistance and sidewall strength.

28034306	P285/70R17	SL	-	117T	7.5 - 9.5	8.5	32.8	11.3	647	13	50.5	2833	51	660-A-B
	28037616	LT235/80R17	E	10	120/117R	6.0 - 7.5	6.5	31.8	9.1	655	17	48.5	3085 / 2835	80	-
	28030718	LT245/70R17	E	10	119/116S	6.5 - 8.0	7	30.8	9.8	676	17	48.3	3000 / 2755	80	-
	28030711	LT245/75R17	E	10	121/118S	6.5 - 7.5	7	31.7	9.5	657	17	51.4	3195 / 2910	80	-
	28030332	LT255/80R17	E	10	121/118S	6.5 - 8.5	7	33.1	10	632	17	52.5	3195 / 2910	80	-
	28030712	LT265/70R17	E	10	121/118S	7.0 - 8.5	8	31.9	10.7	653	17	52.9	3195 / 2910	80	-
	28030907	LT275/70R17	C	6	114/110S	7.0 - 8.5	8	32.4	11.1	644	18	57.1	2600 / 2335	50	-
	59000350	LT285/70R17	C	6	116/113Q	7.5 - 9.0	8.5	32.8	11.1	634	18	60.6	2755 / 2535	50

 

[AZ_Liberty]

I detest P rated tires. They puncture super easily.

C rating is a nice compromise between a P rating and an E rating, but they are awful hard to find.

As soon as the P rated minivan tires Ford shipped my Bronco with wear down a bit, I'll be buying something with a C rating.

Seems odd that the Cs are on the front though, I'd fully expect a dealer to put on the cheapest tire he could find, which would be the Ps.

 

[Rocki]

I have a suspicion that the original dealer put on a wheel, tire and running board kit which would make sense on the cheaper p rated tires

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