r/Hydraulics↗
Hydraulic Engineering and Fluid Power applications
Information and conversation on any aspects of hydraulics from hydro-engineering to fluid power and pneumatics.
11k subscribers104 posts / mo in Sep 202686 authors / mosince 2011
r/Hydraulics has 11k members (+45% over the last 12 months). It gets about 104 posts a month from 86 people. Top topics: Oil Leaks, Engine Components and Coolant Hoses.
When to post on r/Hydraulics
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How r/Hydraulics has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Hydraulics
Top topics
Share of the subreddit's posts
- Oil Leaks1.4%
- Engine Components1.3%
- Coolant Hoses1.1%
- Power Steering Issues1.0%
- Tractor Advice1.0%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Parker Hannifin
- Danfoss
- eBay
- McMaster-Carr
- Bobcat
Everything else about r/Hydraulics
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research