Westinghouse Air Brake Technologies (NYSE: WAB) reported earnings on April 24. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q1), Westinghouse Air Brake Technologies missed estimates on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue increased. GAAP earnings per share grew significantly.

Margins expanded across the board.

Revenue details
 Westinghouse Air Brake Technologies recorded revenue of $615.5 million. The nine analysts polled by S&P Capital IQ predicted a top line of $640.9 million on the same basis. GAAP reported sales were 5.5% higher than the prior-year quarter's $583.3 million.

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

EPS details
 EPS came in at $1.44. The 11 earnings estimates compiled by S&P Capital IQ anticipated $1.40 per share. GAAP EPS of $1.44 for Q1 were 18% higher than the prior-year quarter's $1.22 per share.

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

Margin details
 For the quarter, gross margin was 29.7%, 70 basis points better than the prior-year quarter. Operating margin was 16.8%, 70 basis points better than the prior-year quarter. Net margin was 11.3%, 110 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $665.4 million. On the bottom line, the average EPS estimate is $1.50.

Next year's average estimate for revenue is $2.63 billion. The average EPS estimate is $5.90.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 500 members out of 514 rating the stock outperform, and 14 members rating it underperform. Among 126 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 125 give Westinghouse Air Brake Technologies a green thumbs-up, and one give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Westinghouse Air Brake Technologies is outperform, with an average price target of $107.43.

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