Navitrac nms20
Power King Navitrac Nms20; UTQG, warranty, prices, and OEM vehicle fitments.
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NHTSA-reported issues for power king navitrac nms20
Top issue category: Tires (General)
Most reported: Tires (General) (101) · Tread / Belt (46) · Sidewall (7) · TPMS (2) · Valve (2)
What owners described
Blowout or sudden deflation appears in 51% of these reports; about 2.5× as often as across all tire complaints. Percentages are shares of the 152 reports covering every model year of the Power King that include a written account; a single report can describe more than one problem, so they do not total 100%.
| Reported problem | This subject | All tire complaints | Relative |
|---|---|---|---|
| Blowout or sudden deflation | 51% | 20% | 2.5× |
| Tread or belt separation | 21% | 13% | 1.6× |
| Sidewall failure | 10% | 15% | 0.7× |
| Bubble or bulge in the tire | 7% | 6% | 1.2× |
| Cracking or dry rot | 5% | 9% | 0.6× |
| Loss of control, rollover or collision | 3% | 8% | 0.4× |
Mileage at failure
68 of these reports state an odometer reading. The middle report is at 4,000 miles, with 8 in 10 falling between 1,500 and 9,000 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Power King. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
WITHIN ONE HOUR OF LEAVING HOME HAD THREE SEPARATE TIRE BLOWOUTS ON RV. TIRES DID NOT APPEAR WORN, INFLATED PROPERLY, LOAD APPROPRIATE, AND STORED UNDER COVER. LESS THAN 6000 MILES ON THESE 2 YEAR OLD ORIGINAL EQUIPMENT ON HEARTLAND BIG COUNTRY RV. OCCURRED ON I-35 DALLAS CAUSING SIGNIFICANT DAMAGE TO RV, AND RESULTING IN PURCHASE ON THE SPOT OF 4 NEW TIRES. TIRES APPEARED TOTALLY SEPERATED.
I BLEW 3 POWER KING TOW MAX ST235/80-16E TIRES ON MY 2011 KEYSTONE 3912 LEV RAPTOR. THE TIRES COMPLETELY FAILED WITH THE CAP COMING OFF IN ONE PIECE. THIS HAPPENED WITH 3 OF THE 6 TIRES ON 3 DIFFERENT OCCASIONS ALL OF WHICH OCCURRED IN APRIL OF THIS YEAR. NOTE: I FEEL ALL TOWED RV'S SHOULD BE REQUIRED TO HAVE TIRES RATED FOR OVER 75 MPH OR THEY SHOULD BE REQUIRED TO WARN ALL CUSTOMERS VERBALLY AND IN LARGE PRINT.. I FOUND OUT ST TIRES HAVE A MAX SPEED OF 65 MPH. I DRIVE THE POSTED LIMIT WHICH COULD BE 85 MPH IN PARTS OF TX. THE DEALER NEVER TOLD OF THE DANGERS ASSOCIATED WITH INTERSTATE USE WITH ST TIRES
I BLEW 3 POWER KING TOW MAX ST235/80-16E TIRES ON MY 2011 KEYSTONE 3912 LEV RAPTOR. THE TIRES COMPLETELY FAILED WITH THE CAP COMING OFF IN ONE PIECE. THIS HAPPENED WITH 3 OF THE 6 TIRES ON 3 DIFFERENT OCCASIONS ALL OF WHICH OCCURRED IN APRIL OF THIS YEAR. NOTE: I FEEL ALL TOWED RV'S SHOULD BE REQUIRED TO HAVE TIRES RATED FOR OVER 75 MPH OR THEY SHOULD BE REQUIRED TO WARN ALL CUSTOMERS VERBALLY AND IN LARGE PRINT.. I FOUND OUT ST TIRES HAVE A MAX SPEED OF 65 MPH. I DRIVE THE POSTED LIMIT WHICH COULD BE 85 MPH IN PARTS OF TX. THE DEALER NEVER TOLD OF THE DANGERS ASSOCIATED WITH INTERSTATE USE WITH ST TIRES
TRAVELING ON FREEWAY AT 55MPH PULLING 2012 KEYSTONE COUGAR 1/2 TON SERIES. THE TREAD ON THE RIGHT FRONT TIRE ON TRAILER PEELED OFF CAUSING DAMAGE TO THE FENDER AND UNDER BELLY LINING AND ELECTRIC BRAKE WIRES. TIRE WERE ORIGINAL WITH LITTLE WEAR, POWER KING, TOWMAX ST225/75R15 LOAD D DOT 83B4. DROVE TO TOWN FOR A REPLACEMENT. AFTER SPEAKING WITH THE TIRE GUY HE CHECKED MY OTHER THREE TIRES AND FOUND THAT TWO WERE ABOUT TO SEPARATE AND HAD SOME OF THE STEEL BELT FIBERS EXPOSED. I HAD ALL FOR TIRES REPLACED. TIRE PRESSURE WAS CHECKED AT 62 LBS PRIOR TO TRIP AND HAD ONLY TRAVELED APPROX. 8 MILES PRIOR TO INCIDENT.
Complaints are voluntarily submitted to the NHTSA Office of Defects Investigation and are not verified by NHTSA; they represent owner-reported problems, not proven defects. Counts can be useful as a relative quality signal across comparable tires or vehicles.
Specs
| Brand | Power King |
|---|---|
| Model | Navitrac Nms20 |
| Season | N/A |
| Type | N/A |
| UTQG treadwear | N/A |
| UTQG traction | N/A |
| UTQG temperature | N/A |
| Mileage warranty | N/A |
| Noise (dB) | N/A |
| Introduced | N/A |
Live prices
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Available sizes (0)
Size data being verified.
Power king navitrac nms20: what the numbers tell you
Manufacturer treadwear data for the Navitrac Nms20 is not publicly listed. This is common for OEM-only or track-day tires that don't carry a US treadwear warranty. No mileage warranty is published for this tire, which is typical for performance summer and track-day rubber where the manufacturer doesn't make wear-life claims.
Cabin noise data for this tire is not published by the manufacturer. As a general tire built for the passenger segment, the Navitrac Nms20 is positioned against direct rivals within the same category. Comparing it to a tire in a different category (e.g. summer vs all-season) makes the spec sheet misleading because the design targets are not the same.
The Power King Navitrac Nms20 has been part of Power King's catalog since its introduction, and remains a current-production model.
For an apples-to-apples comparison against direct rivals, see the comparison pages linked from this tire's brand index.
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Last verified 2026-09-02.