MILWAUKEE -- It isn't often a pitcher gives up a career high in hits and still cruises to an easy victory.
Harang (11-13) gave up four runs in 7 1/3 innings. His previous high for hits allowed was 11 in his last start, against Philadelphia on Sept. 23. He was helped by three double plays and the Brewers stranded eight baserunners, five in scoring position.
"They were not afraid to swing at my pitches," Harang said. "But I was able to get out of some jams by making some good pitches."
Reds manager Jerry Narron said Harang has been the Reds most consistent pitcher all season.
"He got some big outs with guys in scoring position," Narron said. "I am really glad he could get a win in his last start of the season."
Adam Dunn hit his 39th home run and Felipe Lopez drove in three runs to lead the Reds.
"We really swung the bat well tonight," Narron said. "We got some key hits and Lopez really came through for us."
The Reds denied Chris Capuano of the Brewers his 19th win.
Capuano (18-11) pitched five innings, giving up six runs and eight hits. It was the second straight game he allowed six runs, although he was able to get the win over St. Louis on Sept. 23. He was trying to be the first Brewer to win 19 games since Teddy Higuera won 20 in 1987.
"Cappy didn't have his best stuff," Brewers manager Ned Yost said. "He gave it everything he had, but the dam kind of broke on him in the fifth inning" when the Reds scored three runs.
Capuano said he "just pitched terrible."
"They just came at me hard in the fifth inning," he said. "They have a pretty potent offense and they can put together a string."
The loss pushed the Brewers back to the .500 mark (79-79) as they try to finish with a winning record for the first time since 1992, when they were still in the American League.
"It is a tough thing to accomplish," Yost said of reaching .500. "But we've got four games left and we're at .500, so we'll just keep going after it."
Reds center fielder Wily Mo Pena hyperextended his lower back when he crashed into the wall diving for Bill Hall's line drive in the fourth. Pena hit his head and left shoulder and remained on the ground while left fielder Ryan Freel retrieved the ball. Freel threw to Lopez, who threw out Hall at home as he tried for an inside-the-park home run. Pena remained on the ground for about 5 minutes while trainers worked on him. He stood up, then was taken off the field on a cart.
Reds officials said he would be re-evaluated on Thursday.
Narron said he was unsure if Pena would play again this season.
"He's going to be sore for a couple of days, but he will be OK," he said. "It scared me a little bit when he first hit the wall with his shoulder and his head."
Rich Aurilia's two-run double in the first gave the Reds a 2-0 lead. Dunn's homer, a 406-foot shot to right in the third made it 3-0.
The Brewers cut the lead to 3-1 in the bottom of the inning on J.J. Hardy's ninth homer.
Cincinnati made it 6-1 in the fifth on run-scoring doubles by Lopez and Dunn and Austin Kearns' RBI single.
Brady Clark's RBI single in the fifth cut the lead to 6-2.
Lopez had a two-run single and Aurilia a run-scoring double in the sixth, while Freel's two-run single in the seventh made it 11-2.
The Brewers added two runs in the eighth on RBI hits by Wes Helms and Hall.
Hall had to be helped from the field on the play Pena was hurt as he tried to slide around Reds catcher Jason LaRue. Hall remained in the game. ... The Brewers will auction autographed, game-worn equipment to benefit the American Red Cross Hurricane Relief Fund. All players' and coaches' home jerseys, helmets and caps will be available in a series of auctions on the team's website beginning Sept. 30.