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Epiroc 3115347390 Cop 1838+ 1838ME T35 Hydraulic Motor Seal Repair Kits 3115 3473 90 Cop 2238hd+

Factory-spec seals for Cop 1838+, 2238HD+ hydraulic motors

Epiroc 3115347390 Seal Repair Kit is the OEM seal set for hydraulic motors on Cop 1838+, 1838HD+, and 2238HD+ rock drills. Weighs 0.1 kg, internally marked with 3115 3473 90. Each seal is sized to stop oil weepage at system pressure. Fits the motor cavity as it came from the factory — no shims, no RTV, no guesswork.

Common on Boltec 235, Roc D7, Cop 1840, Cop 2160, Cop 2550+ and many other Epiroc carriers. The kit includes the dynamic and static seals you need for a standard motor overhaul. Replace worn seals before pitting the shaft or scoring the housing. Keeps drifters hammering through a full shift without bleeding pressure.

Part Numbers: 3115347390 (stamp 3115 3473 90).
Weight: 0.1 kg.
Compatible with: Cop 1838+, 1838ME, 1838HD+, 2238HD+, 1840+, 2160, 2550, 2560, 3060, and more.

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Epiroc 3115347390 Cop 1838+ 1838ME T35 Hydraulic Motor Seal Repair Kits 3115 3473 90 Cop 2238hd+
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Highlights
Key Advantages
  • OEM part 3115347390 with internal mark 3115 3473 90 — no aftermarket guesswork on compound or lip profile.
  • Seals match the hydraulic motor cavities on Cop 1838+, 1838HD+, and 2238HD+ drills.
  • Stops hydraulic oil seeping past the shaft at working pressure — less topping up, fewer slip hazards underground.
  • Fits Boltec 235 bolters, Roc D7/D55/D65/L8 surface rigs, and Cop 1840/2160/2550+ drifters without modification.
  • 0.1 kg kit, compact enough to keep in the site crib. Change seals during a scheduled PM without stripping the whole feed.
Use Cases
Applications
  • Hydraulic motors on Cop 1838+, 2238HD+, 2560+ drifters in underground headings and open stopes.
  • Bolting rigs like Boltec 235 and Boltec Md — seal replacement during regular rock reinforcement cycles.
  • Surface crawlers: Roc D7, Roc D55, Roc D65, Roc L8 — keeps dust out and oil in around the rotation motor.
  • Tunneling jumbos that run multiple Cop heads; a single kit fits the motor on most 1800/2200 series drills.
  • Heavy Cop 1840, Cop 2160, Cop 2550+, Cop 3060 units — high-impact drilling where oil temperature cycles demand a seal that stays pliable.
Specs
Technical Specifications
Part Number3115347390
Internal Stamp3115 3473 90
Product TypeSeal Repair Kit
Weight0.1 kg
BrandEpiroc (Genuine OEM)
Primary Compatible Rock DrillsCop 1838+, 1838HD+, 2238HD+, 1840+, 2160, 2550+
Details
Detailed Description
Epiroc Cop 1838+ 1838ME T35 Hydraulic Motor Seal Repair Kit 3115347390 stamp 3115 3473 90 Cop 2238hd+
Brand :Epiroc
Part No. :3115347390
Description :Seal Kit
Weight： 0.1kg 
Use in :Boltec 235 , Boltec Md , Cop 1238k , Cop 1638 , Cop 1638hd , Cop 1638hd+ , Cop 1838+ , Cop 1838hd , Cop 1838hd+ , Cop 1838he+ , Cop 1838mux , Cop 1838mux+ , Cop 1840 , Cop 1840+ , Cop 2160 , Cop 2238 , Cop 2238hd+ , Cop 2550 , Cop 2550+ , Cop 2560 , Cop 2560+ , Cop 3060 , Cop Sc25 , Rd 18s , Rd 18u , Rd 22s , Rd 22u , Roc D55 , Roc D65 , Roc D7 , Roc L6 , Roc L8 , Roc T40

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FAQ
FAQ
Which drills does the 3115347390 seal kit actually fit?
It fits the hydraulic motor on Cop 1838+, 1838HD+, 2238HD+, 1840, 1840+, 2160, 2550, 2550+, 2560, 2560+, and Cop 3060 rock drills. Also suits selected Cop 1600 series. Rig compatibility includes Boltec 235, Roc D7, Roc L8, and any carrier running those Cop models.
Can I use this kit on a Cop 2238HD+ motor?
Yes. 3115347390 is the correct factory seal kit for Cop 2238HD+ hydraulic motors. It’s what Epiroc ships with the motor from the factory, so there’s no mismatch on lip design or material.
What does the stamp 3115 3473 90 mean?
3115 3473 90 is the internal Epiroc manufacturing stamp you’ll find on the seals or the bag. It traces back to the same kit as part number 3115347390 — not a different spec or a substitute.
Does this kit have everything for a typical motor reseal?
It includes the standard set of dynamic and static seals for the motor. Check your service manual for any additional O-rings or wear rings that may be specific to your rebuild scope. Most shops find the 3115347390 kit covers the routine leak points.
How do I verify this is a genuine Epiroc kit?
Genuine kits come in Epiroc-branded packaging with the 3115347390 part number. The internal bag or seals will carry the 3115 3473 90 stamp. Buy through an authorized dealer or a supplier that can show traceability. If the price seems too good to be true, or the packaging is generic, it’s likely a copy — copies often use softer compounds that harden fast with hot oil.
What’s a realistic lead time for delivery?
Most suppliers ship within 2–5 business days from their warehouse. International orders typically land in 5–10 business days depending on customs. If you’re down and need it urgently, ask about express freight options — many can get a kit to a major mine site within 3–4 days.
Stock
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Send us a message for a quote on the 3115347390 kit or to confirm stock. We ship same-day from inventory to keep your drill turning.
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