Bonfiglioli 309 Planetary Repair, Price & Specs
300 Series planetary · ratios 3.6:1–3000:1 · slew/track duty. Every number you need before you commit: new, wholesale, used, scrap, competitor repair estimates — and our price, cheaper with a shorter lead time. Or sell your surplus 309 Planetary for cash today.
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309 Planetary — full price & lead-time picture
| New / retail (OEM list)new unit, factory order | $3,800–$10,500 |
| Wholesale / dealervolume or distributor pricing | $3,000–$8,600 |
| Used (tested, working)secondhand market range | $1,520–$7,600 |
| Scrap valueweight-based, changes daily | $35–$85 |
Researched estimates anchored to OEM list pricing and live surplus-market data; new-unit factory lead time commonly runs 16–30 weeks for comparison. Send your nameplate for a confirmed number.
Why repair your 309 Planetary with us
Real numbers before teardown
Most shops quote only after your unit is in pieces on their bench. We publish the whole market — new, used, scrap, competitor repair — up front, so you negotiate from strength.
Cheaper and faster
Our network rate beats standard shop pricing by roughly 18–25% on the 309 Planetary, with turnaround 2–3 days shorter — and 24–72 hour emergency rush when the line is down.
Two-way market maker
If repair isn't the smart move we say so, buy your unit for cash, and can supply a tested used replacement. No other gear shop gives you all three exits.
20+ years of industrial iron
Industrial Surplus World has bought, sold, and rebuilt Bonfiglioli equipment for decades — slewing, tracks, mixers drives are daily work, not an experiment.
About the Bonfiglioli 309 Planetary
The Bonfiglioli 309 Planetary is a 300 series planetary from the 300 planetary, A/F/C helical line, rated slew/track duty across ratios of 3.6:1–3000:1, and most commonly found on slewing, tracks, mixers. Bonfiglioli 300 series planetary and A/C/F helical lines drive mixers, slewing systems, and conveyors across US plants.
When a 309 Planetary fails, the real decision is economic: a new unit lists at $3,800–$10,500 with a 16–30 week factory queue, a tested used unit trades at $1,520–$7,600 when you can find one, and a standard shop rebuild runs $1,750–$6,300 over 10–15 business days. Our in-house network rate of $1,360–$5,200 in 8–12 business days beats all of those paths on total cost of downtime — and if the unit is beyond economic repair, its scrap weight alone is worth $35–$85, while we'll pay $180–$1,820 for the core as-is.
Typical failure modes on this family are bearing wear, shaft-seal leakage, and tooth-surface distress from degraded or contaminated oil. A correct rebuild means full teardown, hot-tank cleaning, magnetic-particle inspection of all gearing, verification of bearing-bore tolerances, all-new bearings, seals, shims and gaskets, reassembly to factory clearances, and a loaded run-test with warranty up to 24 months. Done right, it restores full service life at a fraction of replacement cost.
Bonfiglioli 309 Planetary specifications
| Brand / line | Bonfiglioli — 300 planetary, A/F/C helical |
| Model / part number | 309 Planetary |
| Type | 300 Series planetary |
| Nominal ratios | 3.6:1–3000:1 |
| Power / duty | slew/track duty |
| Approx. weight | 390 lb |
| Typical applications | slewing, tracks, mixers |
| Manufacturer base | Hebron, KY (US) |
Confirm exact ratio and rating from your nameplate — we service and buy all configurations of the 309 Planetary.
What a 309 Planetary rebuild includes
Teardown & clean
Full disassembly, hot-tank strip, oil passages cleared.
Inspect & magnaflux
All gearing NDT-checked for hidden cracks; bores measured.
New wear parts
All-new bearings, seals, shims, gaskets; seal surfaces reground.
Assemble & run-test
Set to factory clearances, painted, loaded run-test, warranty.