2023 Sundowner Trailers Charter TR SE 2+1 Horse Trailer

2023 Sundowner Charter TR SE 21

The all new Sundowner Charter 21 is a 2 horse straight load trailer with a large tack storage room and tons of extra features. This trailer is designed with a large side ramp with extra room for additional horses, wagon/cart, tack, feed, ATV, golf-cart, you name it . The Sundowner 21 also has large sliding windows in the back two stalls, 2 HD drop down feed doors, and windows in the rear tail curtains. The Sundowner Charter 21 is built with the same quality and standards that people have come to expect from Sundowner for over 40 years.

Trailer Standard Features

• Coupler: Adjustable Gooseneck, 2 5/16"
• Load Type: Straight
• Number of Horses: 2 horse & box stall
• Trailer Width: 6' 9"
• Inside Height: 7' 6"
• Floor Length: 24'1"
• Construction: All aluminum
• Floor: Full length aluminum planks with I beams on 12" centers
• Exterior: Pre-painted .050 aluminum exterior (white)
• Axles/Brakes: 5,200lb rubber torsion axles 4 Wheel electric brakes with safety breakaway
• Safety Lights: LED clearance & 4 tail lights
• Landing Gear: Drop leg jack
• Spare: Spare tire and wheel with trim ring
• Running Boards: Full length running boards
• Roof: .040 aluminum 1 piece roof with 2" roof bows built over 2" tube roof rail -- one of the strongest in the industry!

Horse Area

• Dividers: Padded air flow head and shoulder dividers with butt bar and breast bar per stall


• Floor Mats: 3/4" rubber mats


• Windows: Large sliding window per stall 2 Sliding windows in tail curtains


• Feed Doors: Drop down feed door with aluminum guard per stall


• Ramp: Spring loaded rear ramp (rubber lined) with wrap around tail curtains above rear ramp


• Walls:.090 Aluminum w/ rubber mat -- lined and insulated double wall construction


• Vent:3 Pop-up horse vents


• Interior Light: Dome light in horse area


• Tie Ring:3 Outside and 5 inside tie rings


• Side Ramp:60" Side ramp with curtain


• Stud Doors: Full height stud door per stall


• Access Door: Full height side access door into box stall on street side

Tack/Dressing Room

• 4' Tack/dressing room


• Locking tack door with window


• Rubber floor mats


• Dome light


• 6 Tack Hooks


• Blanket Bar


• Brush Tray


• 19" x 53" windows in the nose


• 2 Saddle Racks


• Access door from tack room to horse area

Added Trailer Features

• 1 ft. added to box stall - 8 ft. total


• 6" added to tack room - 54" total tack room floor


• XL Stall space 6" added between chest and tail bars


• 7,000 lb. Rubber torsion axles over standard 5,200 lb.


• Aluminum battery box with 12 volt deep cycle battery


• Hydraulic jack - push button operated


• Lined & Insulated ceilings in horse area and tack room!


• Goodyear Endurance tires


• Stainless nose


• Rear & side loading lights

These are actual pictures of the trailer. They of course are our best description. We have endeavored to show anything out of the ordinary that you might want to know, in addition to all of the delightful features of this unit. If you have any questions about the trailer after seeing the pictures, feel free to drop us a line.