Mark Smith
Analyst · Jerry Revich with Goldman Sachs
Yes. I think to be fair to everyone involved to all of you on that side of the fence and all of us here, there's a lot of moving parts with the separation of Atmus. So from my perspective, in total, we came in, in line with our expectations and when you adjust for the mid-quarter separation of Atmus, I think we're by and large in line.
I would say, as someone pointed out, the Distribution business margins a little bit lower, certainly lower than last year. We see those at the bottom end of the range in Q1 and improving from here, largely driven by what we've seen as a pullback on parts sales, particularly in the industrial off-highway applications.
So that's the 1 area. It's not new. It's been there for a couple of months, 2 quarters. But otherwise, I'd say we feel good about the gross margin improvement year-over-year. As you can see from our announcements and our comments, we're continuing to look at ways to streamline our organization, make us more efficient where we can. So overall, in line, Jerry, but expecting Distribution in particular to pick up in its margins going forward.
We've always expected -- probably we were expecting this a little bit last year, to be fair, and it didn't materialize. But we are expecting heavy-duty truck production to decline in the third quarter, in particular, and you've probably heard that from other industry participants. I think the Engine business and Components will feel some of that in Q3, probably Q4 Power Systems and Distribution shouldn't see any significant volatility in revenues.
And really, the momentum is to the up on Power Systems going forward and into next year, clearly. And Distribution. As you know, it's more than half parts and service and quite predictable and reliable. We just had a little bit of a mix shift with the lower parts, but we think that's temporary.