FP&A & Financial Modeling3 min readUpdated September 2026

Cube vs. Mosaic for Reefer and Hazmat Freight Margins

Cube vs Mosaic for reefer and hazmat freight depends on which tool makes it easier to build the extra cost logic into lane margins. The premium over dry van has to cover reefer fuel burn separate from tractor fuel, hazmat and tanker endorsements, and costlier equipment, and a model that treats this freight like dry van work overstates profitability.

Cube and Mosaic don't know your endorsement or reefer costs out of the box; the question is which one makes it easier to build that logic in and keep it current.

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Decide based on how separable your reefer fuel cost already is

If your fuel card or telematics system already splits reefer unit fuel from tractor fuel, you have the data to build a true per-lane margin that reflects the added burn; if it doesn't, that's a data problem no forecasting tool solves for you. Before choosing between Cube and Mosaic, confirm which one, if either, can ingest a split fuel feed directly, since manually splitting a blended fuel total after the fact introduces error that compounds across every reefer lane in your model.

Decide based on how you track certification and endorsement cost

Hazmat and tanker endorsements come with renewal cycles, training time, and sometimes a pay premium for drivers who hold them; that cost needs to sit against the hazmat lanes it enables, not get buried in general driver pay. If your team is already tracking this at the driver level, a spreadsheet-native tool like Cube can incorporate it directly; if you're not tracking it yet, that's a prerequisite step before either tool will produce a trustworthy hazmat lane margin.

Cube for a controller who wants the current spreadsheet logic kept

Specialized fleets often build reefer and hazmat margin logic in Excel because dispatch and telematics exports rarely arrive in the exact shape a controller wants. Cube's approach syncs that spreadsheet against dispatch and fuel data rather than replacing it, which fits when the underlying premium-lane calculation is already correct and just needs fresher data feeding it each week.

Mosaic for a fleet consolidating margin across mixed freight types

If your fleet runs a mix of dry van, reefer, and hazmat freight, a dashboard that breaks margin out by freight type rather than reporting one blended fleet average can show whether your premium lanes are actually earning their premium after added costs. Confirm in a demo that Mosaic can carry separate cost structures per freight type rather than a single fleet-wide formula, since specialized freight is exactly the case where a generic template flattens a distinction that matters.

Building a maintenance reserve specific to reefer and hazmat equipment

Reefer units and tanker or hazmat-rated trailers cost more to maintain than dry van equipment, and a maintenance reserve borrowed from your dry van fleet's history will understate what specialized equipment actually needs. Track maintenance cost by equipment type, not fleet-wide, so a forecast for adding reefer capacity reflects the real ongoing cost, not the cost of the equipment you already know best.

Where Jirav fits a fleet adding specialized capacity

Jirav's driver-based approach is useful when you're deciding whether to add reefer units or hazmat-certified drivers, since that decision involves multiple moving parts, equipment cost, certification lead time, and lane demand, that a flat revenue-growth assumption won't capture. A driver-based model lets you test whether the added lane premium actually covers the added cost before committing to the equipment purchase.

Pricing lane premiums off cost, not off what competitors post

It's tempting to set a reefer or hazmat rate by looking at what other carriers quote on load boards, but a competitor's rate tells you nothing about whether their reefer fuel and certification costs look like yours. Build your rate floor from your own bottom-up cost model first, then check it against market rates as a sanity check, not the other way around, so a soft market doesn't pull your pricing below what the lane actually costs to run.

What to check before switching your specialized freight model to a new tool

Export a quarter of split fuel, certification, and settlement data and see how cleanly it maps into either platform before committing, since a mismatch in how reefer fuel or hazmat pay premiums are categorized is the most common reason a fleet's first month on a new system produces numbers nobody trusts. Ask specifically whether the platform can carry a different cost structure per equipment type, not just per driver, since a reefer trailer's maintenance profile differs from a dry van trailer regardless of who's driving it, and confirm the same during onboarding rather than discovering the gap after your first month of live data on real lanes.

Test these points before switching your margin model:

  • Export a quarter of split fuel, certification, and settlement data and see how cleanly it maps into either platform.
  • Confirm your fuel card or telematics feed splits reefer unit fuel from tractor fuel, since no forecasting tool can fix missing data.
  • Ask whether the platform can carry a different cost structure for each freight type instead of one fleet-wide formula.
  • Check how reefer fuel and hazmat pay premiums are categorized, because mismatches there are a common reason first-month numbers cannot be trusted.
  • Track maintenance reserve by equipment type so reefer and hazmat-rated equipment is not priced off dry van history.
Executive Capability Standard

What Good Looks Like

A well-run specialized fleet can show, by freight type, whether reefer and hazmat lane premiums actually cover their added fuel, certification, and maintenance cost, not just what the blended fleet margin looks like.

Building The Capability (5-Stage Skill Ladder)

1. Learn:Learn how your fuel card and telematics data currently splits reefer unit fuel from tractor fuel, and whether certification costs are tracked at the driver level.
2. Do Manually:Build a spreadsheet that calculates margin separately by freight type, incorporating split fuel data and amortized certification cost, updated monthly by hand.
3. Delegate:Assign a dispatcher or safety coordinator to own tracking certification renewal dates and flagging when a driver's endorsement cost needs to be revisited.
4. Automate:Sync split fuel, dispatch, and certification data into Cube or Mosaic so freight-type-level margin updates without a manual reconciliation each month.
5. Buy:Standardize equipment, certification, and dispatch tracking on one connected platform so decisions to add reefer or hazmat capacity are grounded in real cost data.

How to Get Started

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Frequently Asked Questions

How much of a lane premium should reefer freight command over dry van?

That depends on your specific reefer fuel burn, equipment cost, and lane demand, not a fixed industry rule. Build the premium bottom-up from your own added costs rather than copying a competitor's published rate, since your equipment age and route profile will differ.

Should driver certification cost be amortized or expensed when paid?

Amortize it over the certification's valid period so the cost matches the lanes it enables month by month, rather than creating a one-time expense spike in the renewal month. This keeps hazmat lane margin consistent across the certification cycle.

Do Cube or Mosaic track DOT compliance costs automatically?

No, compliance and certification tracking typically lives in a separate safety or compliance system. Both forecasting tools can incorporate that cost data once it's tracked somewhere, but neither generates or monitors compliance status on its own.

About the numbers

This guide doesn't quote a sourced benchmark. Figures in it are estimates or general guidance, so check them against your own numbers.

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