R+L Carriers · R+L Rules Tariff

R+L Carriers cubic capacity / density minimum fee

R+L Carriers charges Constructed weight (cu ft × 6 lbs) rated at Class 125 for cubic capacity / density minimum. Shipments <6 lbs/cu ft requiring 750+ cu ft; constructed weight rated at class 125. The figure comes from R+L Rules Tariff Item 610, effective Aug 4, 2025.

Constructed weight (cu ft × 6 lbs) rated at Class 125

Shipments <6 lbs/cu ft requiring 750+ cu ft; constructed weight rated at class 125

“Multiply the cubic feet of trailer space by 6 pounds per cubic feet to determine a "constructed" weight for the shipment, then to this "constructed" weight apply class 125 rates” (p. 64)

Source: R+L Rules Tariff Item 610 · effective Aug 4, 2025 · verified July 2026

What other carriers charge for cubic capacity / density minimum

FedEx Freight

Shipment greater than 750 cubic feet and average density less than 4 pcf

eff. Jan 5, 2026

Calculated: total cubic feet x 6 lbs at Class 150 rates with 50% discount

Roadrunner

Applies to shipments over 750 cu ft and under 6 pcf density

eff. Sep 22, 2025

> 750 cu ft, <6pcf; Wt (cu ft*6pcf); cl 125

Saia

Shipments 750 cu ft+ with density under 6 pcf, or 350-749 cu ft with density under 4 pcf

eff. Oct 21, 2024

calculated weight (cubic feet x 6 lbs) at class 100 rate less 85% discount

Southeastern Freight Lines

Applies to shipments 750 cu ft+ with density under 6 PCF

eff. Apr 19, 2022

Calculated weight = total cubic feet x 6, rated at class 150

Each figure is that carrier's published tariff amount. Carriers price this fee in different shapes (flat charge, per-cwt rate, hourly), so these are listed as published rather than ranked. Click a carrier for its citation, tariff language, and history.

More R+L Carriers fees

Excessive / declared value

3% by which the agreed or declared value exceeds the carrier's maximum liability, $100.00 minimum per shipment

Detention (with power)

$75.00 per 15 min, $185.00 minimum

Detention (without power)

$152.40 (1st/2nd 24-hr), $229.50 (3rd/4th), $307.40 (5th+)

Driver assist (load/unload)

$152.40 per man per hour, $614.70 minimum per man per day

Protect from freezing

$8.40 per cwt, $200.90 minimum per shipment

Fuel surcharge

Sliding scale based on U.S. National average Fuel Index (e.g. 16.2%-99.9% LTL, 32.4%-99.9% FTL)

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