Federal Signal Corp vs Paccar Inc

Federal Signal Corp (FSS) is slightly overvalued and Paccar Inc (PCAR) is slightly undervalued.

Against our estimates of intrinsic value, PCAR trades at the wider discount: a margin of safety of +6%, against -16% for FSS.

Values as of the 22 Sept 2026 close.

Federal Signal Corp (FSS)

Discounting its cash flows at 10.5% (average of 3 methods) values the shares at $99.88; the price of $115.69 is 16% above that value, and 72% of that value comes from beyond year five.

Leak Score 59/100 on 3 of 12 signals

Paccar Inc (PCAR)

Discounting its cash flows at 9.5% (average of 3 methods) values the shares at $121.43; the price of $113.90 is 6% below that value, and 76% of that value comes from beyond year five.

Leak Score 56/100 on 9 of 12 signals

MetricFSSPCAR
VerdictSlightly overvaluedSlightly undervalued
Price$115.69$113.90
Intrinsic value$99.88$121.43
Margin of safety-16%+6%
Leak Score59/100 (3/12)56/100 (9/12)
Market cap$7.1B$60.0B
Revenue growth, 5 years14.0%8.7%
Operating margin16.8%10.4%
Net margin11.7%9.0%
Return on equity20.6%12.8%
Debt to equity0.320.72
P/E24.9x24.0x
Forward P/E20.0x15.8x
P/B4.7x3.0x
Dividend yield0.5%2.9%

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