Dense portable generator
Compact portable unit in reinforced packaging
36 × 30 × 30 in
Packaged weight: 420 lb
- Cubic feet
- 18.75
- Density
- 22.40 lb/cu ft
Estimated class
Density-based
70
To estimate your shipment, use the Generators Freight Class Calculator.
The Generators Freight Class Examples use the current 13-tier density scale, effective July 19, 2025, and range from Class 70 to 85.
These are density-based estimates.
Generators density calculator
A palletized generator shipment is preloaded as an example. Adjust the packaged dimensions or weight to calculate your generator freight class.
Your result
Cubic feet
80.00
Density
15.00
lb/cu ft
Estimated freight class
70
This is an example density-based estimate. Update any field to calculate your shipment.
Generators shipment examples
These examples use packaged outside dimensions and the site’s density-to-class chart. They are examples only, not fixed classes for all generator shipments.
Compact portable unit in reinforced packaging
36 × 30 × 30 in
Packaged weight: 420 lb
Estimated class
Density-based
70
Enclosed standby generator on a skid
60 × 48 × 48 in
Packaged weight: 1200 lb
Estimated class
Density-based
70
Large generator set with protective framing
84 × 48 × 60 in
Packaged weight: 1800 lb
Estimated class
Density-based
85
Generators shipment comparison
Generator shipments range from dense portable units to enclosed standby systems and large industrial packages. Fuel preparation, batteries, control panels, exhaust components, skids, weather housings, and irregular accessories can increase cube and handling requirements beyond density alone.
| Generators shipment | Typical packaging | Density tendency | Stackability | Planning note |
|---|---|---|---|---|
| Portable generator | Reinforced carton or small pallet | High | Usually stackable | Secure wheels, handles, cords, and exposed controls. |
| Standby generator | Bolted to a reinforced pallet or base skid | Medium to high | Limited | Protect enclosure panels, terminals, and transfer-switch accessories. |
| Industrial generator set | Heavy skid or full crate | Medium | Usually non-stackable | Confirm lifting points, center of gravity, fuel preparation, and exhaust overhang. |
| Generator with accessories | Main unit plus separate cartons or integrated skid | Varies | Limited | Include tanks, transfer switches, mufflers, batteries, and cables in the final package. |
generator shipping options
The right service depends on generator size, packaging, stackability, and handling needs.
| Generators shipment | Common shipping option |
|---|---|
| Boxed portable generator on a pallet | Standard LTL |
| Palletized standby generator | LTL with stackability review |
| Crated industrial generator set | Crated LTL |
| Oversized generator or integrated power package | Specialized or dedicated service |
Large, irregular, non-stackable, unusually valuable, or specially handled generator shipments may need carrier review before booking.
Freight Planning Calculators
Use the freight class, density, pallet, and linear-feet calculators to plan your packaged LTL shipment.
Estimate freight class from packaged dimensions, weight, and density.
Calculate cubic feet and pounds per cubic foot for packaged freight.
Plan pallet dimensions, shipment weight, density, and configuration.
Estimate trailer-space usage for pallets and non-stackable freight.
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.