Estimated class examples
50–175
Based on the sample shipments below
Crate LTL Shipping Guide
Freight Class for Crates
Crate freight class commonly ranges from Class 50 to Class 175 in the examples below.
Dense machinery crate
Class 50
Reusable plastic crate
Class 85
Large lightweight crate
Class 175
These are density-based examples. Your final estimate depends on the finished packaged dimensions, total weight, stackability, fragility, value, and handling requirements for the crate shipment.
Main class factor
Packaged density
Final dimensions and total weight
Assembly effect
Flat-packed ships denser
Assembled crates occupy more space
Carrier review
Stackability and damage risk
Custom, fragile, or glass-front crates
Crates density calculator
Calculate Your Crates Freight Class
Example crated shipment loaded. Adjust the dimensions or weight to calculate your crate freight class.
Your result
Cubic feet
53.33
Density
22.50
lb/cu ft
Estimated freight class
65
Example density-based estimate. Update any field to calculate your shipment.
Crates shipment comparison
Crates Freight Class by Shipment Type
A crate is a shipping format rather than a single commodity, so freight class depends on the complete outside dimensions and total packaged weight. Crate construction, base design, stack rating, contents, overhang, and forklift access all affect handling.
| Crates shipment | Typical packaging | Density tendency | Stackability | Planning note |
|---|---|---|---|---|
| Heavy machinery crate | Wood or metal frame on a reinforced skid | Very high | Usually limited | Verify base strength, weight concentration, and forklift pockets. |
| Reusable plastic crate | Rigid reusable container on pallet or integral base | High | Usually stackable | Confirm lid locks and manufacturer stack rating. |
| Export or custom wooden crate | Heat-treated lumber crate with blocking | Varies | Limited | Include all framing, skids, and external braces in measurements. |
| Large lightweight display crate | Plywood or composite crate with foam | Low | Often non-stackable | Protect wide panels and mark top-load restrictions clearly. |
crate shipping options
Choosing a Shipping Method for Crates
The right service depends on crate size, packaging, stackability, and handling needs.
| Crates shipment | Common shipping option |
|---|---|
| Dense reinforced crate | Standard or heavy LTL |
| Reusable stack-rated crate | Standard LTL |
| Large custom or export crate | Crated LTL with dimension review |
| Oversized or non-stackable crate | Volume, linear-foot, or dedicated service |
Large, irregular, non-stackable, unusually valuable, or specially handled crate shipments may need carrier review before booking.
Crates shipment examples
Crates Freight Class Examples
These examples use packaged outside dimensions and the site’s density-to-class chart. They are examples only, not fixed classes for all crate shipments.
Dense machinery crate
Heavy equipment in a reinforced crate
48 × 40 × 36 in
Packaged weight: 1800 lb
- Cubic feet
- 40.00
- Density
- 45.00 lb/cu ft
Estimated class
Density-based
55
Reusable plastic crate
Rigid container with protected contents
48 × 40 × 48 in
Packaged weight: 1200 lb
- Cubic feet
- 53.33
- Density
- 22.50 lb/cu ft
Estimated class
Density-based
65
Large lightweight crate
Bulky exhibit or fragile assembly crate
72 × 48 × 60 in
Packaged weight: 850 lb
- Cubic feet
- 120.00
- Density
- 7.08 lb/cu ft
Estimated class
Density-based
125
Crates Packaging
- Match crate walls, base runners, blocking, fasteners, and internal restraint to the contents and weight.
- Keep contents immobilized and separated from crate walls with blocking, foam, or suspension as needed.
- Provide forklift entry, lifting points, orientation marks, and closures that remain secure in transit.
Crates Stackability
- Use the crate engineer or manufacturer stack rating rather than assuming every crate is stackable.
- Reinforce the top and vertical posts when approved top loading is required.
- Treat wide, tall, damaged, or lightly framed crates as non-stackable.
Crate Structural and Contents Protection
- Protect the contents from shock, vibration, moisture, puncture, and loose internal movement.
- Inspect base runners, fasteners, panels, braces, and forklift pockets before tender.
- Confirm declared value, export markings, and special handling based on the crated contents.
Measure the fully finished crate
- Measure after walls, lid, base runners, braces, handles, and external protection are installed.
- Include forklift skids, protruding fasteners, lifting eyes, overhang, and shock bases.
- Use the total weight of the contents, blocking, crate structure, and skid.
Before Requesting a Crates Freight Quote
- Measure the finished crate, including its base runners, braces, handles, and any overhang.
- Record the total packaged weight of the complete crate and its contents.
- State the crate stack rating or clearly identify it as non-stackable.
- Include photos of the base, walls, closures, forklift pockets, labels, and visible contents restraint.
- Confirm forklift, liftgate, crane, export, and special-handling requirements for the crate.
Calculate your actual shipment
Calculate Crates Freight Class
The calculator returns cubic feet, pounds per cubic foot, and a density-based freight class estimate for your crate shipment.
Freight classes shown on this page are density-based estimates for shipment planning. Actual classification may also depend on value, handling requirements, liability, stowability, dimensions, and other commodity-specific factors. Confirm the final freight class with your carrier, broker, or official NMFC resources before shipping.
NMFC® is a registered trademark of the National Motor Freight Traffic Association, Inc. FreightClassCalculator.tools is an independent calculator and is not affiliated with, endorsed by, or licensed by NMFTA.