Demco Tandem Axle Side Dump Trailers

OVERVIEW

Tandem Axle Side Dump Trailers are engineered to provide efficient, controlled material handling for agricultural, construction, and bulk hauling applications where stability, maneuverability, and reliable unloading are essential. Designed to support a wide range of materials—including aggregate, manure, silage, mulch, soil, and other bulk commodities—these trailers offer a practical solution for operations that require frequent dumping without sacrificing balance or transport control.

Unlike traditional end-dump trailers, side dump trailers unload material laterally, allowing operators to dump loads without raising the trailer to extreme angles. This unloading method helps maintain a lower center of gravity throughout the dump cycle, contributing to improved stability and control, especially on uneven terrain or confined job sites. The tandem axle configuration further enhances this stability by distributing weight evenly across two axles, making these trailers well suited for medium-to-high payload applications.

Tandem axle side dump trailers are commonly used in agricultural operations for handling silage, manure, and grain byproducts, as well as in construction and bulk material transport where efficient cycle times and controlled unloading are critical. Their balanced design allows operators to work in areas where space is limited or where overhead clearance may restrict traditional dump trailers.

Structural design plays a key role in the performance of tandem axle side dump trailers. Reinforced steel frames, deep I-beam chassis components, and rigid dump tubs are designed to handle repeated load cycles while maintaining structural consistency. Many side dump designs incorporate a single, continuous G-rail or similar structural element that supports the dump body and helps distribute stress evenly during loading and unloading. This design approach contributes to long-term durability and predictable performance across demanding applications.

The dump body itself is designed to promote smooth material flow and consistent discharge. Rounded or contoured tub profiles help reduce material hang-up, allowing loads to empty efficiently with minimal residue. Integrated pivot systems on each side of the trailer enable controlled side-to-side dumping, allowing operators to select the dump direction based on jobsite layout or material placement requirements.

Tandem axle side dump trailers also offer operational flexibility through configurable suspension and braking options. Spring ride suspension is commonly used for dependable, straightforward performance, while optional air ride suspension can be selected for applications where ride quality and load protection are a priority. Braking systems are designed to meet road and transport requirements, with optional anti-lock braking systems available to support controlled braking under varying load and road conditions.

Visibility and transport awareness are important considerations for any bulk hauling trailer. Tandem axle side dump trailers are typically equipped with DOT-approved lighting and reflective markings to support visibility during on-road transport and jobsite movement. These features help operators maintain awareness and compliance when moving between fields, facilities, or work zones.

From a service and maintenance perspective, tandem axle side dump trailers are designed with accessibility in mind. Strategic component placement and durable pivot systems help reduce routine maintenance requirements while supporting consistent operation over time. Many designs incorporate greaseless or low-maintenance pivot bearings to reduce service intervals and simplify upkeep.

Customization options allow tandem axle side dump trailers to be tailored to specific operational needs. Variations in body length, tub construction, suspension configuration, and accessory options allow operators to select a setup that aligns with material type, payload requirements, and transport conditions. Additional features such as fender designs, underride protection, and custom finishes can further adapt the trailer to specific fleet or application requirements.

For operations that require efficient material handling without the complexity or height of traditional dump trailers, tandem axle side dump trailers offer a balanced solution. Their combination of controlled unloading, stable transport characteristics, and adaptable configurations makes them a reliable choice across agricultural, construction, and bulk material handling environments.

Whether supporting daily farm operations, material staging, or jobsite hauling, Tandem Axle Side Dump Trailers provide a dependable platform for moving and unloading bulk materials with consistency and control.

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

Designed for controlled unloading and stable transport, Tandem Axle Side Dump Trailers deliver a dependable solution for agricultural, construction, and bulk material handling operations where efficiency and balance matter.

Explore more Material Handling Equipment in our collection today.

Benefits

✔ Tandem axle configuration provides balanced weight distribution for stable hauling
✔ Side dump design allows controlled unloading without extreme dump angles
✔ Suitable for agricultural, construction, and bulk material handling applications
✔ Lower center of gravity supports improved stability during dump cycles
✔ Efficient side-to-side dumping helps reduce cycle time on job sites
✔ Reinforced frame and dump body support consistent performance under repeated use
✔ Configurable suspension and braking options to match transport requirements
✔ DOT-approved lighting and markings support on-road visibility
✔ Multiple body lengths and configurations available to suit different operations

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.

View our full Shipping Policy