• All aluminum frame
  • 30" Side access door to curb
  • Drop down calf gate
* Trailers may be shown with optional features

Roundup AL

Aluminum Gooseneck Stock Trailer

Featuring all-aluminum construction, CM’s Roundup AL is as powerful as it is stylish. Ranging from 16 to 28 ft. in length, the Roundup AL can easily accommodate your animals. 6’8” wide and 6’6” to 7’ tall, this model comes standard with rubber torsion Dexter Axles, a 2-5/16” adjustable gooseneck coupler, silver mod wheels, a spare tire & wheel, sealed L.E.D. lighting, and forward, self-adjusting brakes on all wheels.

The load area has a drop down calf gate at the front, interior tie rings (2 in front, 2 at center gate), and a center gate w/ spring loaded hold back & slam latch (24’ and 28’ have 2). Also standard on the Roundup AL is a full swing, half sliding rear gate and 30” side access door on the curb side. Optional features include aluminum wheel upgrades, additional dome lights, and extra center gates. Take a closer look at the specs and features the Roundup AL has to offer below.


  • All aluminum frame w/9″ extruded side slats & air gaps
  • Heavy duty low profile 2″ x 4 3/16″ steel gooseneck structure
  • .125 Extruded aluminum top rail
  • 1 3/8″ x 2″ Wall uprights
  • 9″ Extruded aluminum bottom rail
  • One-piece .040 aluminum skin roof w/1″ x 2 1/2″ tubing bows on 2′ centers
  • Tapered nose w/radius corners
  • Plexiglass rails on both sides (plexiglass not standard)
  • 12″ Aluminum plank floor
  • Full length aluminum running boards
  • Rubber dock bumper below rear door
  • Tag bracket
  • Colors available black and white aluminum skin


  • Side access 30″ door on curb side w/heavy duty cam bar assembly
  • Drop down calf gate w/double spring-loaded latch
  • Center gate w/hold back & springloaded slam latch (24′ & 28′ lengths have 2)
  • Interior tie rings (2 in front; 2 at center gate)
  • Full swing half sliding rear gate w/spring latch, heavy duty cam bar & ball bearing rollers