Horse Trailer

Pre-Owned 2025 Merhow 8312 RWSD Summit 3 Horse 12' LQ

Stock# 1338

$85,995

Plus Taxes & Licensing
  • Silver multi-compartment trailer parked on a gravel lot under a blue sky with clouds; red tractor on the left and trees in the background.
  • Silver Merhow horse trailer on a gravel lot with two windows, under a blue sky with clouds; red machinery on the left and a watermark bottom edge reading CarolinaTrailersales.com.
  • Open aluminum horse trailer with a barred vent window and interior doorway, parked on gravel under a blue sky.
  • Silver horse trailer with three stall doors, barred windows, and chrome trim sits on gravel under a clear blue sky.
  • Side view of a shiny silver Merhow horse trailer with open storage compartments and windows behind a clear blue sky.
  • Silver Merhow horse trailer with multiple windows and side storage bays on a gravel lot under a blue sky.
  • Shiny silver aluminum trailer with a mountain logo, parked on a gravel lot with propane tanks underneath.
  • Open storage compartment of a utility trailer showing a mounted spare tire and propane tanks.
  • White fifth-wheel RV trailer parked on a gravel lot with tall pine trees and a clear blue sky behind it.
  • White Merhow horse trailer on a gravel lot with tall trees and a blue sky in the background; features multiple side windows and a side door, twin-axle trailer on display at a dealership lot.
  • Silver Merhow horse trailer parked on a gravel lot with trees in the background and other trailers in the distance under a clear blue sky
  • Rear view of a white Merhow trailer with a rounded window, parked on a gravel lot under a clear blue sky.
  • Rear of a silver cargo trailer with double doors, a small window on the right door, and a lowered loading ramp on a gravel lot.
  • Open rear cargo trailer door showing blue interior walls and a metal staircase inside.
  • Open horse trailer with stalls and saddle racks, parked on a gravel lot with other trailers in the background.
  • Horse trailer with its rear ramp lowered, revealing interior stalls and a staircase in an outdoor lot under a clear blue sky.
  • Interior of a silver aluminum trailer with partitioned stalls and metal railings, black rubber flooring, and overhead vents.
  • Interior of a white horse trailer with partitioned stalls, metal rails, and a ramp area visible near the bottom left.
  • Interior of a horse trailer showing metal stalls, black rubber flooring, and a rear door with windows on the right side wall.
  • Interior of a trailer showing a grey carpeted divider with five metal hooks mounted along the top, black padded lower wall, and a window with bars to the right.
  • Interior of a horse trailer with padded walls, ventilation windows, and a tack area along the side, ready for loading horses outside.
  • Interior of a white horse trailer with barred windows, ceiling fans, and ribbed walls, seen from the living area side.
  • Interior of a modern RV kitchen and living area with dark cabinetry, marble-like counters, stainless steel appliances, and a gray sofa.
  • Interior of a modern RV kitchen with a marble-like countertop, stainless microwave, and dark wood cabinets above a sink and stove, next to a black leather sofa on the right (bright overhead lights).
  • Interior of a travel trailer bedroom: a full/double bed with purple star-pattern bedding, dark wood overhead cabinets, and two small windows on each side.
  • Interior of a compact RV living area with a dark leather sofa, overhead cabinets, and a kitchen counter to the right; bright ceiling lights and vents above.
  • Interior of a trailer living area with a dark leather sofa along a partition wall and a doorway with a windowed metal frame on the right.
  • Interior of a dark wood RV kitchen with a mounted flat-screen TV above a cabinet and a tall refrigerator next to it
  • Interior of a wood-loaded trailer living area with a mounted TV, entry door, tall cabinets, and a fire extinguisher nearby.
  • Compact RV kitchen with stainless microwave above a granite-like counter, two-burner stove, and sink under dark wood cabinets
  • Interior of a modern RV with dark wood cabinets, a gray leather sofa, and a tall double-door refrigerator, view from the kitchen area.
  • Tall dark-wood RV kitchen cabinet area with a built-in double-door refrigerator (Dometic) and surrounding cabinetry.
  • Interior of an RV with a mounted TV above a cabinet, followed by a kitchenette: microwave, sink, stove, and dark wood cabinets; a black leather sofa nearby.
  • Metal outer panel with the word 'MERHOW' carved or engraved at the top, featuring a black control board with switches and indicators beneath it (likely a trailer or RV control panel). Inset readings show tank/level indicators and a toggle switch labeled 'START/STOP' nearby, plus a blue Alpine speaker mounted below.
  • Dark wood cabinets above a black leather L-shaped sofa in an RV living area, with a window and blinds.
  • Interior of a modern RV/travel trailer: kitchen with countertop, double sink, microwave, and dark wood cabinets, next to a leather sofa area
  • Interior of a modern RV kitchen with microwave, dark wood cabinets, granite countertop, sink, and lounge seating nearby; bathroom door visible in background.
  • RV living area with dark wood overhead cabinets, a gray L/U-shaped sofa, and a window with blinds above a compact kitchen sink on the left.
  • Small trailer bathroom with a dark wood vanity, granite countertop, round stainless sink, and a mirrored cabinet above.
  • Curved glass shower enclosure in a compact RV bathroom with a white acrylic wall surround.
  • Compact RV bathroom with a curved glass shower on the left, small vanity with sink and mirror cabinet on the back wall, and a door on the right.
  • Small RV bathroom with a gray doorway, towel bar, and a toilet next to dark wood cabinet panels.
  • RV bathroom and kitchenette area with dark wood cabinets, a toilet in the foreground, and a sink with counter visible in the back.
  • Interior of a modern RV kitchen and living area with dark wood cabinets, marble counters, stainless sink, and a grey sofa at the back
  • Silver multi-compartment trailer parked on a gravel lot under a blue sky with clouds; red tractor on the left and trees in the background.
  • Silver Merhow horse trailer on a gravel lot with two windows, under a blue sky with clouds; red machinery on the left and a watermark bottom edge reading CarolinaTrailersales.com.
  • Open aluminum horse trailer with a barred vent window and interior doorway, parked on gravel under a blue sky.
  • Silver horse trailer with three stall doors, barred windows, and chrome trim sits on gravel under a clear blue sky.
  • Side view of a shiny silver Merhow horse trailer with open storage compartments and windows behind a clear blue sky.
  • Silver Merhow horse trailer with multiple windows and side storage bays on a gravel lot under a blue sky.
  • Shiny silver aluminum trailer with a mountain logo, parked on a gravel lot with propane tanks underneath.
  • Open storage compartment of a utility trailer showing a mounted spare tire and propane tanks.
  • White fifth-wheel RV trailer parked on a gravel lot with tall pine trees and a clear blue sky behind it.
  • White Merhow horse trailer on a gravel lot with tall trees and a blue sky in the background; features multiple side windows and a side door, twin-axle trailer on display at a dealership lot.
  • Silver Merhow horse trailer parked on a gravel lot with trees in the background and other trailers in the distance under a clear blue sky
  • Rear view of a white Merhow trailer with a rounded window, parked on a gravel lot under a clear blue sky.
  • Rear of a silver cargo trailer with double doors, a small window on the right door, and a lowered loading ramp on a gravel lot.
  • Open rear cargo trailer door showing blue interior walls and a metal staircase inside.
  • Open horse trailer with stalls and saddle racks, parked on a gravel lot with other trailers in the background.
  • Horse trailer with its rear ramp lowered, revealing interior stalls and a staircase in an outdoor lot under a clear blue sky.
  • Interior of a silver aluminum trailer with partitioned stalls and metal railings, black rubber flooring, and overhead vents.
  • Interior of a white horse trailer with partitioned stalls, metal rails, and a ramp area visible near the bottom left.
  • Interior of a horse trailer showing metal stalls, black rubber flooring, and a rear door with windows on the right side wall.
  • Interior of a trailer showing a grey carpeted divider with five metal hooks mounted along the top, black padded lower wall, and a window with bars to the right.
  • Interior of a horse trailer with padded walls, ventilation windows, and a tack area along the side, ready for loading horses outside.
  • Interior of a white horse trailer with barred windows, ceiling fans, and ribbed walls, seen from the living area side.
  • Interior of a modern RV kitchen and living area with dark cabinetry, marble-like counters, stainless steel appliances, and a gray sofa.
  • Interior of a modern RV kitchen with a marble-like countertop, stainless microwave, and dark wood cabinets above a sink and stove, next to a black leather sofa on the right (bright overhead lights).
  • Interior of a travel trailer bedroom: a full/double bed with purple star-pattern bedding, dark wood overhead cabinets, and two small windows on each side.
  • Interior of a compact RV living area with a dark leather sofa, overhead cabinets, and a kitchen counter to the right; bright ceiling lights and vents above.
  • Interior of a trailer living area with a dark leather sofa along a partition wall and a doorway with a windowed metal frame on the right.
  • Interior of a dark wood RV kitchen with a mounted flat-screen TV above a cabinet and a tall refrigerator next to it
  • Interior of a wood-loaded trailer living area with a mounted TV, entry door, tall cabinets, and a fire extinguisher nearby.
  • Compact RV kitchen with stainless microwave above a granite-like counter, two-burner stove, and sink under dark wood cabinets
  • Interior of a modern RV with dark wood cabinets, a gray leather sofa, and a tall double-door refrigerator, view from the kitchen area.
  • Tall dark-wood RV kitchen cabinet area with a built-in double-door refrigerator (Dometic) and surrounding cabinetry.
  • Interior of an RV with a mounted TV above a cabinet, followed by a kitchenette: microwave, sink, stove, and dark wood cabinets; a black leather sofa nearby.
  • Metal outer panel with the word 'MERHOW' carved or engraved at the top, featuring a black control board with switches and indicators beneath it (likely a trailer or RV control panel). Inset readings show tank/level indicators and a toggle switch labeled 'START/STOP' nearby, plus a blue Alpine speaker mounted below.
  • Dark wood cabinets above a black leather L-shaped sofa in an RV living area, with a window and blinds.
  • Interior of a modern RV/travel trailer: kitchen with countertop, double sink, microwave, and dark wood cabinets, next to a leather sofa area
  • Interior of a modern RV kitchen with microwave, dark wood cabinets, granite countertop, sink, and lounge seating nearby; bathroom door visible in background.
  • RV living area with dark wood overhead cabinets, a gray L/U-shaped sofa, and a window with blinds above a compact kitchen sink on the left.
  • Small trailer bathroom with a dark wood vanity, granite countertop, round stainless sink, and a mirrored cabinet above.
  • Curved glass shower enclosure in a compact RV bathroom with a white acrylic wall surround.
  • Compact RV bathroom with a curved glass shower on the left, small vanity with sink and mirror cabinet on the back wall, and a door on the right.
  • Small RV bathroom with a gray doorway, towel bar, and a toilet next to dark wood cabinet panels.
  • RV bathroom and kitchenette area with dark wood cabinets, a toilet in the foreground, and a sink with counter visible in the back.
  • Interior of a modern RV kitchen and living area with dark wood cabinets, marble counters, stainless sink, and a grey sofa at the back

Pre-Owned 2025 Merhow 8312 RWSD Summit 3 Horse Trailer

This Pre-Owned 2025 Merhow 8312 RWSD Summit is a beautifully designed 3 horse slant load gooseneck trailer with 12′ living quarters. Featuring a smart no-slide layout, this trailer offers excellent space, easy towing, and a practical floorplan without the added weight of a slide-out.

This trailer is in like-new condition, and the horses have never been hauled in it. Loaded with comfort features, upgraded horse area options, and quality Merhow craftsmanship, this trailer is ready to hit the road.

Trailer Specs:

  • Year: 2025
  • Make/Model: Merhow 8312 RWSD Summit
  • Type: 3 Horse Slant Load
  • Hitch: Gooseneck
  • Construction: Aluminum
  • Color: Silver with Graphics
  • Length: 28′
  • Width: 8′
  • Height: 7′ 8″
  • Empty Weight: 10,247 lbs
  • GVWR: 14,000 lbs

Living Quarters Features:

  • 12′ DR/LQ Wall
  • Sofa and Dinette Combo
  • Removable Table
  • Sleeps 3
  • Stairs to Bed Area
  • TV on Swing Arm
  • TV Hookup in Bed Area
  • Bluetooth Radio
  • Rear Kitchen Layout
  • Large Refrigerator
  • Stainless Kitchen Sink
  • Two-Burner Gas Cooktop
  • Convection Microwave
  • Loads of Storage
  • Real Wood Cabinetry
  • Soft Touch Walls
  • Pocket Bathroom Door
  • Large Dome Shower
  • Sink and Vanity
  • Toilet
  • Fresh Water Tank
  • Water Pump
  • Fantastic Fan
  • Ducted AC
  • Propane Furnace
  • Walk-Through Door

Horse Area Features:

  • 3 Horse Slant Load
  • Fully Lined and Insulated Horse Box
  • Airflow Padded Dividers
  • Drop-Down Head Windows
  • Slider Tail Windows
  • Escape Door with Flip-Up Step
  • Roof Vents
  • Added Horse Area Fans
  • Lower Divider
  • Added Hooks in First Stall
  • Rubber Mats

Additional Features:

  • Fold-Up Rear Tack
  • 3-Tier Saddle Rack
  • Bridle Hooks
  • Brush Box
  • Blanket Bar
  • Rear Ramp
  • Power Awning
  • Dual Hydraulic Jacks
  • Lockable Battery Box
  • 2 LP Tanks
  • Spare Tire

This Merhow RWSD Summit offers an excellent combination of comfort, storage, and horse safety in a lightweight no-slide design. With its rear ramp, upgraded horse area, and like-new condition, this trailer is a standout option for anyone wanting a premium hauling setup.

Need it hauled? We work with a Highly Recommended Hauling Company with reasonable rates.

  • There are no features available
Horse: 3 Horse
Condition: Pre-Owned
Year: 2025
Manufacturer: Merhow
Model: 8312 RWSD Summit
Pull Type: Gooseneck
Construction: Aluminum
Insulated: Insulated
Mangers: Mangers
Configuration: Slant
Jacks: Hydraulic Jack
Length: 28'
Width: 8'
Height: 7' 8"
Weight: 10,247 lbs.
GVWR: 14,000 lbs.
Ramp: Rear Ramp
Living Quarter: Full LQ
LQ Length: 12'
Exterior Color: Silver
Stock Number: 1338
Availability: Available

Important Listing Notes

Pictures shown are of the same make and model but may not be the actual trailer. The actual unit may vary in features and options. Manufacturers may have changes in materials, or parts that could result in differences from what is shown or listed. Please contact Carolina Trailer Sales to verify exact specifications.

Pricing excludes tax, title, license, and document fee. While we strive for accuracy, typographical and human errors may occur. Please contact the dealer for details.

Trade-ins Considered

New Trailer Warranty Information

Merhow, Kiefer, and Valley Trailers provide a limited warranty to the original owner on newly manufactured trailers. This warranty does not apply to any pre-owned trailers sold by Carolina Trailer Sales.

Living-quarter bedding is available for purchase at an additional cost. Call or text 828-773-4500 for details.
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Carolina Trailer Sales © 2026 All Rights Reserved | As Seen In Horse Illustrated Magazine May/June 2025 Edition

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