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Since 1990, we’ve been building gravity boxes with farmers in mind—rugged, reliable, and ready for the long haul. Crafted from heavy-gauge steel, our boxes are built to perform in the toughest field conditions. Paired with premium Horst running gears, the result is a high-performance gravity wagon that delivers unmatched strength, smooth towing, and efficient grain handling. Engineered for durability and designed for practicality, our gravity wagons help farmers reduce waste, streamline unloading, and keep operations running efficiently. It’s a combination built to work as hard as you do—season after season.
Seamlessly welded inside and out, precision shot blasted for superior surface prep, and finished with a durable high-gloss powder coat—built to last and made to shine.
Red - JD Green - NH Blue - Orange - Black - Yellow
Slope: Back 27° - Ends 37°
Shell thickness: 14 Gauge (Door side is 12ga)
Door opening size: W: 29" H:15"
Weight: 2500 lbs approx.
Outside dimensions: L 150" W. 94" H. 92"
Dimensions are without tarp, ladder & running gear installed
Slope: Back 30° - Ends 30°
Shell thickness: 12 Gauge (0.1046")
Door opening size: W: 43" H: 10"
weight: 3200 lbs. approx.
Outside dimensions: L 192" W. 103" H. 90"
Dimensions are without tarp, ladder & running gear installed
Slope: Back 30° - Ends 30°
Shell thickness: 12 Gauge (0.1046")
Door opening size: W: 43" H: 10"
weight: 4000 lbs. approx.
Outside dimensions: L 192" W. 103" H. 102"
Dimensions are without tarp, ladder & running gear installed
Slope: Back 30° - Ends 30°
Shell thickness: 12 Gauge (0.1046")
Door opening size: W: 48.75" H: 8.75"
weight: 5500 lbs. approx.
Outside dimensions: L 240" W. 105" H. 111"
Dimensions are without tarp, ladder & running gear installed
Turn heads and stay safe after dark with our sleek LED road lights—bright, efficient, and built to keep you visible long after the sun goes down.
Give your gravity wagon the protection it deserves. Our high-quality poly fenders are lightweight, ultra-durable, and designed to deflect mud, rocks, and road grime like a pro. They won't rust and they add a clean, finished look that means business. Whether you're hauling through fields or down backroads, these fenders are a rugged, no-nonsense upgrade that keeps your wagon—and your investment—looking sharp.
Add an optional spring-assisted tongue. This significantly reduces lifting effort, making hookup easier and safer. The lightweight feel helps prevent strain, offering added convenience and protecting the operator's back.
Glass windows provide a simple way to check product levels inside the gravity box without climbing the ladder, making monitoring easier during use.
Our gravity box door features a convenient two-stage design with a small sliding door that opens independently ahead of the main door—ideal for precise flow control and easy grain sampling without fully opening the main gate.
Our double compartment gravity box is designed for versatility and efficiency—perfect for transporting two different products in a single load. Ideal for seed and fertilizer or multiple crop types, this dual-bin design maximizes productivity while maintaining the durability and reliability you expect.
Our tarp kit features a Shur-Lok® style roll tarp system designed for ease and efficiency—no more struggling with ratchet straps. The fixed-handle design allows for quick, secure operation every time. Built for durability, our system includes high-quality bungee cords backed by a 4-year warranty with hassle-free replacements.
Includes a standard interior ladder for safe and convenient access when entry into the gravity box is necessary.
Equip your gravity box with a hydraulic auger for efficient transfer of seed or fertilizer to your planter. Available in 12', 14', and 16' lengths with 6" or 8" diameter options. Choose from Lab or Market style augers, with construction options including steel, stainless steel, or plastic to suit your application.
Best-in-class slanted ladder—designed for maximum safety and ease of use. Featuring aggressive grip steps and sleek, ergonomic handrails, this upgraded ladder offers superior traction and stability during entry and exit.
Enhance your gravity box with a user-friendly scale system for accurate load monitoring. Compatible with industry-leading Digi-Star and Scale-Tec scale kits, ensuring reliability, ease of use, and seamless integration.
New bolt-together door wheel design allows for quick and easy sprocket replacement, minimizing downtime and maintenance effort. Now equipped with a 14-tooth sprocket to improve mechanical efficiency and provide smoother operation.
Standalone hydraulic power packs available to operate your auger without the need for a tractor—ideal for remote sites, increased flexibility, and simplified operation.
In addition to building gravity boxes, we also offer repair services for the equipment we manufacture. Our team has the experience and parts to get your box back in the field — quickly, reliably, and at a reasonable cost.
We stand behind what we build, and we’re here to keep your equipment working season after season.
Contact us for a free repair estimate.
Bruns Mfg Ltd is an authorized Trailblazer wagon distributor.
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