The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Caterpillar is the larger company, worth $363.0B, about 6.5 times PACCAR.
  • Caterpillar grew revenue faster over the last year (+24.0% vs +0.5%).
  • On earnings, PACCAR is the cheaper stock (22.5x vs 39.2x).
  • Caterpillar's price assumes faster free cash flow growth: about 14% a year, against 1% for PACCAR (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureCATPCAR
Market cap$363.0B$55.6B
Share price$800.47$108.04
Revenue (last fiscal year)$67.6B$28.4B
Free cash flow (last fiscal year)$8.9B$3.7B
Revenue growth, last year+24.0%+0.5%
Revenue growth per year, last 5 fiscal years+7.3%+4.9%
Operating margin17.5%—
Net margin14.5%9.0%
Return on equity55.9%12.3%
P/E (trailing)39.2x22.5x
Price / free cash flow35.3x18.4x
EV / EBITDA24.9x17.8x
FCF growth the price implies14.3%1.4%
Dividend yield0.74%1.2%
Debt / equity4.29x1.16x
Fundamental gradeCC
Superinvestors holding it123
Insider purchases, last 12 months80

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Caterpillar

YearRevenueFree cash flowOp. margin
2021$51.0B$6.1B13.5%
2022$59.4B$6.5B13.3%
2023$67.1B$11.3B19.3%
2024$64.8B$10.0B20.2%
2025$67.6B$8.9B16.5%

PACCAR

YearRevenueFree cash flowOp. margin
2021$23.5B$1.6B—
2022$28.8B$2.5B—
2023$35.1B$3.5B—
2024$33.7B$3.8B—
2025$28.4B$3.7B—

Where the revenue comes from

Caterpillar · by segments, 2025

Segments Excluding All Other Segments$68.3B81%
Resource Industries$12.2B14%
Financial Products Segment$4.2B5%

PACCAR · by products, 2025

Truck, Parts and Other$26.2B92%
Financial Services$2.2B8%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
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Questions

Which is bigger, Caterpillar or PACCAR?

Caterpillar (CAT), at $363.0B against $55.6B.

Is CAT or PCAR cheaper?

By trailing P/E, PACCAR (22.5x) is cheaper than Caterpillar (39.2x). A lower multiple can also mean the market expects less growth.

Which grows faster, CAT or PCAR?

Caterpillar: revenue grew +24.0% over the last year, against +0.5%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.