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8840 N Ramsey Blvd, Portland, OR 97203
info@portlandboxes.com
Built for the toughest jobs. Triple wall construction and reinforced corners handle loads that would crush ordinary containers.
Our heavy-duty gaylord boxes feature triple wall construction — three layers of fluted medium creating a seven-ply board that can withstand extreme compression forces. With reinforced corners and heavy-duty bottom flaps, these containers handle loads of 2,500 pounds or more.
Industries like automotive manufacturing, metal fabrication, and large-scale recycling depend on heavy-duty gaylords for their most demanding applications. These boxes are designed to be stacked, forked, and transported without failure.
Our used heavy-duty gaylords are carefully inspected with special attention to corner integrity, bottom strength, and wall compression. Only boxes that pass our stringent testing are offered for resale.
Pound capacity
Triple wall construction
Stronger than single wall
Savings vs. new
| Dimensions | Construction | Capacity | Features |
|---|---|---|---|
| 48 x 40 x 36 | Triple Wall | 2,000 lbs | Reinforced corners, full flaps |
| 48 x 40 x 48 | Triple Wall | 2,500 lbs | Reinforced corners, full flaps, lid |
| 48 x 45 x 36 | Triple Wall | 2,200 lbs | Extra width, reinforced base |
| 48 x 48 x 48 | Triple Wall | 2,500+ lbs | Square design, max stacking |
| 58 x 42 x 45 | Triple Wall | 2,500+ lbs | Oversized, industrial applications |
Engine blocks, transmissions, and heavy metal components. Our gaylords handle the weight and protect against damage.
Collect and sort metal scrap efficiently. Heavy-duty walls resist puncture from sharp edges.
Store and transport bulk components between production stages. Stackable for efficient warehouse space usage.
Our heavy-duty gaylords are the strongest corrugated containers available in the Pacific Northwest. Here are the full technical details for every model we stock.
| Dimensions | Construction | Capacity | Wall Thickness | ECT Rating | Features | Grades |
|---|---|---|---|---|---|---|
| 48 x 40 x 36 | Triple Wall | 2,000 lbs | 5/8" | 90 | Reinforced corners, full flaps | A-C |
| 48 x 40 x 36 | Triple Wall + Posts | 2,300 lbs | 5/8"+ | 90+ | Corner posts, full flaps, lid | A-B |
| 48 x 40 x 48 | Triple Wall | 2,500 lbs | 5/8" | 90 | Reinforced corners, full flaps, lid | A-C |
| 48 x 40 x 48 | Triple Wall + Posts | 2,800 lbs | 3/4" | 90+ | Corner posts, reinforced base, lid | A-B |
| 48 x 45 x 36 | Triple Wall | 2,200 lbs | 5/8" | 90 | Extra width, reinforced base | A-C |
| 48 x 48 x 48 | Triple Wall | 2,500+ lbs | 5/8" | 90 | Square design, max stacking | A-C |
| 48 x 48 x 48 | Triple Wall + Posts | 3,000 lbs | 3/4" | 90+ | Corner posts, reinforced all edges | A-B |
| 58 x 42 x 45 | Triple Wall | 2,500+ lbs | 5/8" | 90 | Oversized, industrial applications | B-C |
| 58 x 42 x 45 | Triple Wall + Posts | 3,000+ lbs | 3/4" | 90+ | Max capacity oversized model | A-B |
"+ Posts" indicates corner post reinforcement. ECT 90+ models exceed standard testing limits. All capacities assume evenly distributed load on a pallet.
Every heavy-duty gaylord in our inventory passes a multi-point inspection based on TAPPI and ASTM testing standards. Here is exactly what we test and why.
| Test | Standard | Min. Passing |
|---|---|---|
| Edge Crush Test (ECT) | TAPPI T 811 | 90 lb/in |
| Burst Strength (Mullen) | TAPPI T 810 | 600 lb/in² |
| Flat Crush Test | TAPPI T 825 | 90 lb/in² |
| Box Compression (48x40x36) | TAPPI T 804 | 3,500 lbs |
| Puncture Resistance | TAPPI T 803 | 120 in-oz |
| Corner Compression | Internal | 800 lbs/corner |
| Drop Test (filled to 50% cap) | ASTM D5276 | No failure |
| Vibration Test (1hr equiv.) | ASTM D4169 | <5% degradation |
Every incoming heavy-duty gaylord undergoes a 12-point inspection. We check all four walls for soft spots and punctures, test all eight corners for compression integrity, inspect the bottom flap joints for separation, verify wall thickness with calipers, and perform a sample ECT test on each batch. Boxes that do not meet Grade C or better standards are sent to recycling. We reject approximately 15-20% of incoming heavy-duty gaylords — a rate we are proud of because it means our customers receive only the strongest containers.
Triple wall corrugated retains its structural properties better than single or double wall through multiple use cycles. Our testing shows that a Grade A heavy-duty gaylord retains 95-100% of its original compression strength. Grade B retains 85-95%, and Grade C retains 70-85%. Even at Grade C, a triple wall gaylord with 70% of its original strength still exceeds the performance of a brand-new double wall gaylord — making used heavy-duty gaylords an exceptional value proposition.
Our "+ Posts" models include vertical corrugated or wood corner posts that increase stacking strength by 30-50% beyond standard triple wall. Corner posts concentrate the vertical compression force along the strongest axis of the box, preventing the walls from bowing outward under heavy loads. For applications requiring 3-high stacking of filled gaylords, corner posts are strongly recommended.
Heavy-duty gaylords are critical infrastructure for the most demanding industrial operations. Here is how each industry uses them and what to specify.
Engine blocks, transmission housings, brake rotors, and stamped metal panels are among the heaviest single-item loads that gaylords must handle. Automotive plants typically specify triple wall with corner posts (2,300-2,800 lb capacity) and full bottom flaps for forklift transport between production stages. Used heavy-duty gaylords are standard in automotive because the extreme weight of metal parts means no gaylord lasts more than 3-5 cycles anyway.
Metal scrap is both extremely heavy and dangerously sharp — the worst combination for corrugated containers. Heavy-duty gaylords with 3/4" triple wall thickness resist puncture from metal edges while supporting loads of 2,000+ lbs. Scrap recyclers often use the 48x48x48 square model for maximum volume capacity. Liners are not recommended for scrap applications because they mask damage.
Bulk food ingredients — flour, sugar, grains, frozen products, and produce — can be extremely dense, with some loads exceeding 2,000 lbs per gaylord. Food processing requires heavy-duty gaylords with food-grade liners to prevent contamination. Our heavy-duty models with PE liners meet FDA requirements for indirect food contact. Temperature-controlled storage demands the moisture resistance that triple wall provides.
Bulk pharmaceutical ingredients, chemical precursors, and laboratory waste require heavy-duty containment. Triple wall gaylords with PE or chemical-resistant liners provide secondary containment for liquids and powders. The high wall thickness offers insulation properties that help maintain temperature stability. For hazardous waste, gaylords serve as outer packaging for compliant inner containers.
E-waste recycling facilities collect computers, monitors, servers, and other electronic equipment that is both heavy and irregularly shaped. Heavy-duty gaylords accommodate the weight while the triple wall walls resist puncture from sharp edges and protruding components. The 48x40x48 tall model is preferred because it maximizes volume for bulky items like monitors and tower PCs.
Harvested produce like potatoes, onions, apples, and root vegetables can fill a gaylord to over 1,500 lbs easily. Heavy-duty gaylords with ventilation cuts allow airflow that prevents spoilage while providing the structural strength needed for dense agricultural loads. Our team can add custom ventilation to any heavy-duty model at no additional charge.
Heavy-duty gaylords are a specialized product. Here is what to tell us so we can match you with the right container on the first try.
Tell us what you are putting inside: material type, weight per load, whether items have sharp edges, and any special requirements (food-grade, chemical resistant, vented). This determines the wall type and liner specification.
How many gaylords do you need now, and how often will you reorder? One-time orders are welcome, but recurring needs qualify for volume pricing. Our volume programs for heavy-duty gaylords start at just 20 units per month.
Lids (essential for stacking), liners (PE, kraft, or chemical-grade), pallets (standard, ISPM-15, or plastic), and corner protectors are all available. We can also supply pallet covers, banding straps, and custom labeling.
We respond within 2 hours with a detailed quote including unit pricing, delivery options, and lead time. For standard sizes in stock, same-day pickup or next-day delivery is available. Custom configurations require 5-10 business days.
In typical industrial applications, a triple wall heavy-duty gaylord lasts 5-12 use cycles. The primary factors affecting lifespan are: load weight relative to capacity (staying at 80% or below extends life significantly), forklift handling practices (proper fork insertion prevents wall punctures), moisture exposure, and content type (sharp metal scrap degrades walls faster than smooth items). With careful handling and dry storage, some of our customers report 15+ cycles on their best-condition heavy-duty gaylords.
Heavy-duty gaylords with full bottom flaps CAN be lifted by forklift without a pallet, but we do not recommend it for loads over 1,000 lbs. The fork tines create concentrated stress points on the bottom that can cause failure over time. For maximum safety and longevity, always use a pallet. If you must fork directly, insert the tines fully (not partially) to distribute the load across the entire bottom span.
Yes. Heavy-duty gaylords are commonly used for ocean freight of bulk industrial materials. For international shipments, we recommend: (1) triple wall with corner posts for maximum transit protection, (2) ISPM-15 heat-treated wood pallets to meet international phytosanitary requirements, (3) stretch wrap over the filled gaylord to protect against salt air and moisture during ocean transit, and (4) a lid for stacking capability in the shipping container.
Used heavy-duty gaylords typically cost 60-70% less than new equivalents. A new triple wall 48x40x48 gaylord runs $55-80 depending on the manufacturer. The same box used, in Grade A-B condition, is $20-30 from Portland Boxes. For most industrial applications, the performance difference between new and used Grade A-B is negligible. The savings on a fleet of 100 gaylords can exceed $4,000-5,000.
Yes. Our pallet-integrated heavy-duty gaylords have the pallet base permanently attached to the box bottom using industrial staples and adhesive. This eliminates the risk of the box sliding off the pallet during handling and provides a more rigid base structure. Pallet-integrated models cost approximately $5-8 more than the box alone, which is typically less than purchasing the box and pallet separately.
The strongest corrugated containers in the Pacific Northwest, at 60-70% less than new. Get a quote in minutes, delivery in hours.