Demco Triple Axle Side Dump Trailers

OVERVIEW

The Demco Triple Axle Side Dump Trailer is engineered to deliver reliable, high-performance material handling for agricultural, construction, and bulk haul applications. Designed for operators who need fast, efficient unloading in tight spaces without sacrificing stability or durability, this trailer combines Demco’s advanced side dump design with a robust triple axle chassis for superior load distribution and transport control.

Built with a low center of gravity to improve stability during pulling, cornering, and dumping, the Triple Axle Side Dump Trailer helps maintain traction and balance even on uneven terrain. This design feature occurs because the bottom of the dump body sits below the chassis frame rails, keeping weight close to the ground and enhancing overall stability throughout the dump cycle. 

Constructed with a durable AR450 steel dump tub and a massive single G-rail system, the trailer is designed to withstand the demands of frequent dumping and heavy loads while providing a consistent and predictable dump angle. Integrated pivot points on each side of the trailer evenly distribute tub pressure throughout the cycle, helping reduce wear and tear to structural components and helping promote long trailer life. 

Triple axle configurations enhance weight distribution and payload capacity, making this trailer suitable for jobs that involve hauling large volumes of material, such as aggregate, manure, silage, mulch, or other bulk products. The additional axle improves ride quality, reduces ground pressure, and helps provide better load support over long distances compared with tandem axle designs. 

Operators will appreciate the Quick Dump Direction feature, which allows easy switching from side to side without complex adjustments — a time-saving benefit in demanding work environments. Dual pivot points and greaseless pivot bearings help ensure smooth, reliable dump cycles with less maintenance. 

Corrosion protection and robust construction help ensure this trailer performs in harsh environments. Demco’s FlexCorner design helps maintain structural integrity by allowing controlled flexing over rough terrain while reducing stress concentrations at critical joints. 

The trailer’s braking and lighting systems are engineered to meet industry standards, with DOT-approved lighting and reflective tape aiding visibility during transport. The deep I-beam chassis frame adds structural strength and supports heavy payloads while promoting consistent handling. 

Available options such as adjustable dump cylinders, ABS brakes, and custom paint allow operators to tailor the trailer to their specific needs. Whether moving haul materials on a construction site or cycling loads between fields, this Triple Axle Side Dump Trailer from Demco offers a practical mix of stability, efficiency, and dependable performance.

FEATURES & BENEFITS

• Low center of gravity for stability
• Massive Single G-Rail
• Six Integrated Tub Pivot Points with Greaseless Pivot Bearings
• Single Sided Dump Change
• Quick Left to Right Dump Change
  
• Dump Direction Indicators
• 20" Deep I-beam Chassis Frame
• Rounded Vee Dump Body Design
• EdgeFlex Fenders
• Bolt-On UnderRide
• Brake size: 16.5” x 7”
• Large Body Side Stiffener, Maintain 102" Loaded
• 20 Sec. Dump Time (30 Sec. Cycle) @33 GPM Hydraulic Flow
• 77-1/2" Track w/ABS on one Axle (23K#)
• LED Lighting

With its stable triple axle design, low center of gravity, and efficient dump cycle features, the Triple Axle Side Dump Trailer from Demco delivers reliable performance for agricultural, construction, and bulk hauling operations.

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Benefits

✔ Triple axle configuration enhances weight distribution and stability
✔ Low center of gravity helps improve hauling and dumping control
✔ Integrated pivot design supports smooth dump cycles
✔ Quick dump direction change reduces cycle time
✔ Robust AR450 steel tub and G-rail structure for long-lasting performance
✔ DOT-approved lighting and safety features for road visibility
✔ Optional ABS and suspension packages support tailored hauling needs
✔ Configurable options allow customization for specific applications

SPECIFICATIONS

• Air Ride: SAF Holland CBX23-245 Air Suspension with Integrated Axles
• Spring Ride: 3-leaf heavy duty SAF Holland spring suspension
• 23K Axles with Wabco ABS brakes (single axle) and 10 bolt hub piloted steel rims, 75,000 lbs. GVW
• 5" Dia. Dump Cylinder 43K# Payload @2250 psi
• 1/4" AR450 Steel with trademarked FlexCorner® Design

OPTIONS

• 6” Dia. Dump Cylinder 62K# Payload @2250 psi
• ¼” FLX-500 Tub with Original FlexCorner Design
• Black, White, Yellow, or Custom Paint Color
• ABS Installed on 2nd Axle
• Lead Trailer Pintle Hook
• Air Weigh Scale Kit
• Bolt-On Extended Push Block

TIRE & RIM OPTIONS

• 11R 22.5 LRH Domestic Radial Tires or Import Radial Tires *
  
• 385/65R 22.5 LRJ Domestic Radial Tires or Import Radial Tires *
• All Polished Aluminum Rims *
• Outside Polished Aluminum Rims, Inside Steel Rims *

TARP OPTIONS

• Black Mesh Tarp (Roll-Rite or Aero)
• Tarp Lock-Out Kit (with Electric over Hydraulics ONLY)

LIFTS

• * 11R 22.5 and 11R 24.5 - Lifts can be dual (4) or single (2) tires.
• ** 385/65R 22.5 - Lifts can only be single (2) tires. Lifts with steer cannot use these tires.
• *** 385/65R 22.5 - Aluminum Rims ONLY

SHIPPING & SUPPORT

This product ships directly from Demco Products U.S. manufacturing facility. Typical lead time is approximately 5–7 business days before shipment.

Need assistance selecting the right trailer size or available options?
Contact our team at support@grainhog.com or call (888) 464-4880 — we’re happy to help.

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