SaferProducts incident

Failure type

Fire / ignition

Incident narrative

SaferProducts.gov consumer incident report 20191026-B72BA-2147376935. Severity: Injury, No First Aid or Medical Attention Received. Product: Polaris XP 1000 Trails and Rocks Editon (2018 Polaris XP1000 Trails and Rocks Edition This is a UTV designed for off road use.). Incident: This is a basic recap of the safety incident report sent to Polaris. I was driving a trail with some side hills and turned down a steep 100 yard long hill crawling at 3-5mph with foot on brake in 4 low/AWD. Then my brake pedal goes down an inch. I pump it and get most of pedal back. A few feet later I loose brakes and take a fast ride with brake pedal to the floor and using what engine braking I had. I finally stopped at the bottom after a hard turn on two wheels into a V ditch crossing. The left front fender was damaged from the side of the ditch where it stopped. Pulled fender screw backer nut through the plastic and some deep body scratches. I got out and inspected the brake fluid level thinking the master cylinder must have failed or brake line. The fluid was slightly low. I looked at the back side of wheels for signs of brake fluid leaks. Nothing on the rig wet. Then I see a mangled brake pad and backing plate laying inside the right rear wheel. First look at the outside of the wheel and I see the hub cap is gone and the wheel/hub are out of the bearing at a bad angle. At first I thought the castle nut had somehow backed off shearing the cotter key. After getting a ride out for a jack and some larger tools than I normally carry I took it apart on the trail. I was shocked to find the brake caliper was all that was holding the hub and wheel on because the end of the stub axle that is threaded was completely sheared off. The hub chewed up the outer brake pad as it became wedged when the rotor and hub were separating from the axle and bearing. The hub was completely out of