Upgrade or replace your existing dump trailer box with this heavy-duty aluminum dump trailer battery box. Fabricated from durable 2 mm aluminum with a brushed mill finish, this enclosure provides a secure, rust-resistant location for your trailer battery, hydraulic power unit, charger, wiring, and related components.
Designed for dump trailers, hydraulic trailers, mobile equipment, and custom fabrication projects, this hydraulic pump box includes an installed battery tray, 4.5-amp battery charger, master battery disconnect switch with a removable key, lockable handle, gas shock-assisted lid, and a rubber lid seal to help keep out rain, dirt, and debris.
Power Unit Pre-Installation Available
A hydraulic power unit is not included with this box. When you purchase a compatible hydraulic power unit in the same order and select the installation upgrade, Primary Mover can pre-install the power unit inside the box before shipment.
This optional service creates a clean and convenient power unit in a box setup while reducing the amount of installation work required when your order arrives.
Product Features
- Fabricated from durable 2 mm aluminum
- Brushed mill aluminum finish
- Rust-resistant all-aluminum construction
- Installed 4.5-amp battery charger
- Installed battery mounting tray
- Master battery disconnect switch with removable key
- Lockable recessed handle
- Gas shock-assisted lid holds the lid open during service
- Rubber lid seal helps protect components from the elements
- Pre-drilled mounting and component holes
- Tapered front profile designed for trailer applications
- Suitable for use as a dump trailer pump box, battery box, equipment enclosure, or general-purpose trailer toolbox
Approximate Dimensions
- Width at rear lip: 34 inches
- Width at tapered front lip: 17 inches
- Depth: 15.5 inches from the front handle side to the rear hinge point, lip to lip
- Height: 16.5 inches with the lid closed
Measurements are approximate. Verify your available mounting space and component fitment before ordering.
Ideal for Dump Trailer Applications
This aluminum trailer box is an excellent choice for replacing a damaged, rusted, or undersized dump trailer battery box. It provides room for many common 12VDC hydraulic power units while also providing dedicated mounting space for a battery, charger, disconnect switch, wiring, and related components.
The lockable lid helps protect your hydraulic equipment, while the battery disconnect switch allows the electrical system to be isolated during storage, maintenance, or transport. The included 4.5-amp charger helps keep your dump trailer battery maintained and ready for operation.
Benefits of Choosing Primary Mover
- Optional Power Unit Installation: Purchase a compatible hydraulic power unit and select theinstallation upgrade to have it mounted inside the box before shipment.
- Designed for Hydraulic Equipment: Built for dump trailers, hydraulic power units, batteries,and mobile equipment components.
- Quality Aluminum Construction: Durable, lightweight, and resistant to rust.
- Expert Support: Our team can help you select a compatible hydraulic power unit for your application.
- Customer-Focused Service: Primary Mover is committed to providing quality hydraulic productsand dependable customer support.
Frequently Asked Questions
Is this a good replacement for my existing dump trailer box?
Yes. This box is designed as an upgrade or replacement for many dump trailer battery and hydraulic pump boxes. It includes an installed battery tray, 4.5-amp charger, battery disconnect switch, locking lid, and room for many common hydraulic power units.








