Upper cylinder 86687217 | Genuine OEM Upper Cylinder Block for HC20 Hydraulic Rock Drill/Drifter - Rock Drill & Drill Rig Parts

HC20

Upper cylinder 86687217 Genuine OEM Upper Cylinder Block for HC20 Hydraulic Rock Drill/Drifter

• Part number: 86687217
• Part weight:
• Product name: Upper cylinder (Hydraulic Rock Drill Upper Cylinder Block)
• Applicable equipment: HC20
• Replacement condition: Long-term use; replace only when damaged (e.g., inner wall scratches, cracks, oil port deformation)
• Core advantages: Genuine OEM, short delivery, competitive price
• Key function: Houses upper hydraulic components (e.g., valves, small pistons), bears high hydraulic pressure, ensures oil circuit smoothness

Why AUG MINING Parts?

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Description

In HC20 Hydraulic Rock Drill (or Hydraulic Drifter) systems, the Upper cylinder 86687217 is the “upper hydraulic hub”—it’s responsible for mounting key upper components and maintaining stable oil pressure for the drill’s control system.

From mining maintenance experience, generic upper cylinders often fail early: low-strength materials (tensile strength < 600 MPa) crack under pressure in 2000-2500 hours, and rough inner walls cause component wear.

This Upper cylinder 86687217, as genuine OEM, meets strict standards:

Durability: Heat-treated alloy steel (tensile strength ≥ 750 MPa) resists cracks and pressure deformation.
Precision: Inner wall polished to Ra ≤ 0.4μm, ensuring no component wear; coaxiality ±0.002mm for perfect fit.
Oil circuit stability: Smooth oil ports prevent oil flow resistance, maintaining system efficiency.

With short delivery (no 2-3 week waits) and good pricing, it’s ideal for mines needing long-term reliability—keeping HC20’s upper hydraulic system stable for years.

Montabert HC20 Drifter/Rock Drill Spare Parts List

Item	Name	Part No.	Qty	Unit	Remarks	Item	Name	Part No.	Qty	Unit	Remarks
1	HC20	86686649	1	Pcs		33	HC20	86668829	1	Pcs
2	HC20	86668704	1	Pcs		34	HC20	86325792	1	Pcs
3	HC20	86677176	1	Pcs		35	HC20	86677184	1	Pcs
4	HC20	86250107	1	Pcs		36	HC20	86677192	4	Pcs
5	HC20	86221595	1	Pcs		37	HC20	86668811	1	Pcs
6	HC20	86679388	1	Pcs		38	HC20	86668944	1	Pcs
7	HC20	86687217	1	Pcs		39	HC20	86676822	1	Pcs
8	HC20	86668662	2	Pcs		40	HC20	86625175	1	Pcs
9	HC20	86639317	2	Pcs		41	HC20	86668951	1	Pcs
10	HC20	86668738	1	Pcs		42	HC20	86678224	1	Pcs
11	HC20	86668746	1	Pcs		43	HC20	86666351	1	Pcs
12	HC20	86668753	1	Pcs		44	HC20	86676889	1	Pcs
13	HC20	86634045	1	Pcs		45	HC20	86676897	1	Pcs
14	HC20	95421335	8	Pcs		46	HC20	86668647	1	Pcs
15	HC20	86600632	1	Pcs		47	HC20	86668902	1	Pcs
16	HC20	86580966	1	Pcs		48	HC20	86221918	1	Pcs
17	HC20	95303368	3	Pcs		49	HC20	86669025	1	Pcs
18	HC20	86668613	1	Pcs		50	HC20	86281938	1	Pcs
19	HC20	86677150	1	Pcs		51	HC20	86668910	2	Pcs
20	HC20	86639309	1	Pcs		52	HC20	86668654	1	Pcs
21	HC20	86668936	1	Pcs		53	HC20	86318516	1	Pcs
22	HC20	86668860	1	Pcs		54	HC20	86668662	1	Pcs
23	HC20	86668886	1	Pcs		55	HC20	86420098	1	Pcs
24	HC20	86684263	1	Pcs		56	HC20	86668761	1	Pcs
25	HC20	86676970	8	Pcs		57	HC20	86668779	1	Pcs
26	HC20	95303335	2	Pcs		58	HC20	86668928	8	Pcs
27	HC20	86668639	1	Pcs		59	HC20	95303335	1	Pcs
28	HC20	86668993	1	Pcs		60	HC20	86262698	2	Pcs
29	HC20	86669017	1	Pcs		61	HC20	86676863	1	Pcs
30	HC20	86685435	1	Pcs		62	HC20	86267069	2	Pcs
31	HC20	86684271	1	Pcs
32	HC20	86668795	1	Pcs

1、Quality Assurance?

AUG manufactures all supplied products to meet the technical standards of the target compatible equipment. We guarantee these products fit equipment not modified or repaired to deviate from the original manufacturer’s dimensional standards. AUG independently backs all products with quality assurance, ensuring stable performance in normal use (excluding damage from improper installation, unauthorized modification, or over-rated use).

2、Delivery Time？

Standard accessories (with existing production molds): Typical delivery is 4-6 weeks. We may adjust this based on order quantity and production schedule.
Customized accessories (no existing molds, e.g., parts for specific equipment): Typical delivery is 6-8 weeks. This depends on design confirmation and manufacturing progress.
Spare parts (precision machined components, electronics, fasteners, seals, Hydraulic Components, engines, axles): Delivery time depends on current inventory. Contact our customer service for the latest stock and accurate timelines. E-mail: augmining@gmail.com

3、Shipping and Taxes？

Our standard shipping term is EXW. This excludes import duties, VAT, and other taxes from the destination country/region.
Need AUG to arrange logistics? Provide your detailed delivery address (country, city, postal code, specific location if needed) on the Checkout page. We’ll help deliver goods to your nearest port or designated address. We calculate transportation fees separately and confirm the amount with you in advance.

4、Declaration

On this website, we mention manufacturer names, part numbers, models, and product descriptions only to show our products’ compatible targets, uses, and technical specs. This helps you find and match the products you need. Respective original manufacturers (brands) own the related IP rights (trademarks, copyrights).
AUG exclusively guarantees quality for all products sold here. None of these products are made, authorized, or sourced from OEMs. They have no link to OEM original products.
AUG has no equity, cooperation, authorization, or endorsement ties with any OEMs or brands. We also don’t imply such relationships—whether via logos, product descriptions, or other means. We never exploit original manufacturers’ goodwill for business.

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HC20

Upper cylinder 86687217 Genuine OEM Upper Cylinder Block for HC20 Hydraulic Rock Drill/Drifter

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