CARGO sLED COvER snug, heavy‑duty canvas with elastic bottom 4639-129 CARGO sLED reliable, ultradurable, high‑impact, flexible polyethylene | heavy‑duty swivel hitch | haul heavy loads with straight‑tracking bottom | 74 in. l x 38 in. w x 17 in. d 4639-126 CARGO sLED RUNNER KITs protects bottom with bolt‑on ½‑in. plastic runners | includes six wear strips 4639-131 TRAIL GROOMER the operator‑friendly design and high quality make this the perfect groomer for maintaining private or local trails | designed to maintain a 4‑ft.‑wide trail | two electric actuators control cutting depth and wheel lift | four spring‑loaded, pivoting cutting edges | gooseneck hitch features an anti‑scalping design | includes a snowmobile hitch plate with 1 7/8‑in. ball that bolts directly to the Bearcat Z1™ xt™ tunnel rails | Bearcat Z1 xt gs models have a standard radiator | all other Bearcat Z1 xt models require a radiator kit when pulling a trail groomer 5639-891 '15 Bc 5000 xt, Bc 5000 xt gs; '09‑'14 Bc Z1 xt; '12‑'14 Bc Z1 xt gs 143