Donaldson (NYSE: DCI) is expected to report Q1 earnings on Nov. 21. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Donaldson's revenues will drop -3.9% and EPS will wither -22.2%.

The average estimate for revenue is $584.7 million. On the bottom line, the average EPS estimate is $0.35.

Revenue details
 Last quarter, Donaldson notched revenue of $656.8 million. GAAP reported sales were 5.0% higher than the prior-year quarter's $625.5 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $0.47. GAAP EPS of $0.47 for Q4 were 12% higher than the prior-year quarter's $0.42 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 35.0%, 130 basis points worse than the prior-year quarter. Operating margin was 15.1%, 80 basis points better than the prior-year quarter. Net margin was 10.8%, 30 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $2.56 billion. The average EPS estimate is $1.76.

Investor sentiment

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Donaldson is hold, with an average price target of $37.50.