What Is a Load Lock?

A load lock is the adjustable bar or beam wedged between trailer walls to prevent pallets from shifting during transit, common in LTL freight.

Pallet truck delivery loaded trailer bulk freight

Definition

A load lock is the adjustable bar or beam wedged between trailer walls to prevent pallets from shifting during transit, common in LTL freight.

Detailed Explanation

Load lock types: telescoping bars; air-bag dunnage; ratcheting bars. Manufacturers: Save-T, Logistick, US Cargo Control. Major LTL carriers (XPO, Old Dominion, Estes) provide load locks.

Sources

FMCSA
TIA

Companion Resources

How does United States Pallets compare to United States-based local pallet suppliers?

Local United States suppliers offer geographic proximity. United States Pallets offers nationwide sourcing depth, multi-grade inventory always in stock, sub-2-business-hour quote response, audit-ready documentation, and standing-order automation that local yards typically don't match.

Does United States Pallets supply What Is a Load Lock? for export from national?

Yes, with ISPM-15 heat-treated pallets carrying IPPC stamps and full ISPM-15 documentation. Required for international shipments to all WTO member countries. Common for national customers with port access via United States's major export gateways.

How fast does United States Pallets deliver to national, United States?

Same-day shipping in our Southeast/Mid-Atlantic core (FL, GA, AL, TN, MS, SC, NC, KY, VA) and scheduled weekly delivery elsewhere. Express options available for national rush orders. Quote response under 2 business hours, dispatch within hours of order confirmation.

What's the minimum order quantity for What Is a Load Lock??

50 pallets per order minimum on buy-side. Sell-side (buyback) minimum is 250 pallets per single-size load. Volume tiers kick in automatically as cumulative monthly volume increases - 500+/week accounts qualify for standing-order programs with reserved delivery slots.

Does United States Pallets ship What Is a Load Lock? to all of United States?

Yes. We deliver to every commercial address in United States, with same-day shipping standard in our Southeast/Mid-Atlantic core and scheduled weekly delivery elsewhere. national-area accounts are typical - submit a quote with your dock location and we route accordingly.

Operational details for Florida

Compliance specification

GMA 48x40 four-way stringer construction conforms to the National Wooden Pallet & Container Association (NWPCA) 2014 Uniform Standard; deck board configuration 7-board top, 5-board bottom.

Florida regulatory context

FAA Part 121 air-cargo operations at MIA, MCO, and TPA require flame-retardant treated pallets for in-cabin loads; we maintain Class A flame-rated stock for forwarder accounts.

Citrus packers operating in Florida's three citrus belts (Indian River, Polk County, Highlands County) require Florida-specific phytosanitary documentation; we coordinate with the Florida Citrus Mutual office for compliant freight.

Pallet specification detail

Deck board edge type defaults to chamfered for forklift safety; square-edge available on request for ASRS compatibility; rounded-edge banding tracks available for high-throughput line-side delivery.

Lumber spec for new GMA stock: mixed hardwood (oak, maple, ash, hickory) with minimum 600 SG (specific gravity); kiln dried to <19% moisture; visible defects limited to wane on outer 1/3 of deck board only.

Delivery and logistics

Drop-trailer programs maintain a customer-dedicated 53-foot trailer on-site; we swap full-for-empty on a scheduled 24/48/72-hour rotation; preferred for high-throughput dock operations.

Customer use case

Pharmaceutical distribution centers in Hillsborough and Orange counties require GDP-validated cold-chain pallets; we supply plastic-construction reusable pallets that wash down for sterile transfer applications.

Pricing context

Delivery freight runs $250-450 per truckload (53-foot) within 75 miles of a yard; longer hauls priced at $2.50-3.50 per loaded mile; flatbed loads premium 10-15%.

Sustainability

Pallet pooling reduces lifecycle waste 40-60% vs single-use models; our pool program manages inventory between participating customers with quarterly reconciliation.