Tandem 3.5K Braked, Dexter Torsion Ride Axles 4 Wheel Electric Brakes w/ Safety Break-Away Kit All LED Exterior Lighting Tack Area – 44” Tack, 32”x64” Tack Access Door w/ Sliding Window & Screen , 1/2” Rubber Mats, & (1) LED Dome Light w/ Wall Switch Aluminum Rims, 225/75R15 – 6 Lug Wheels Newly Designed 4’ Adjustable Stalls w/ Spring Latch System (4 – 12’ model) 45”x18” Drop Down Feed Window (Per Stall) (1) Air Gap w/ Flip Down Cover Full-Length Running Boards; Heavy Duty Rear Step-Up Rubber Bumper 12’ Floor, 7’ Wide, 6’ Tall Bumper Pull, V-Nose, 24” Stone Guard All Box Tube Aluminum Chassis One Piece, .040 Aluminum Roof w/ Heavy Duty Radius Roof Extrusion Extruded Aluminum Decking, 12” O/C I-Beam Crossmembers .040 Pre-Painted Exterior Side Sheets & Lower Extruded Aluminum Sides 50/50 Double Rear Doors w/ Sliding Windows and Bars Full-length LED Strip Lights in Stock Area, Both Sides Top-Winding Wheel Jack Escape Door Pen Gate, U-Bolt Spring Latches for Pen Gate Tie Backs Double Action Pop-up Vent Per-Stall 8-Year Limited Warranty