Product Details & Compatibility
Enhance the performance of your drilling equipment with the premium quality Hugeminer brand replacement for the Atlas Copco SEAL KIT INL. This product is engineered to meet or exceed OEM specifications, sold strictly as "Alternative spare parts".
Part Number Verification: To ensure accurate ordering, please verify your required part number against the following compatible references:
8440305764, 8440 3057 64, 8440-3057-64 (also searchable as 8440305764), and 8440.3057.64.
Application: This seal kit is designed for heavy-duty underground and surface mining machinery, specifically compatible with Atlas Copco Rock Drills and Boomers. It ensures optimal hydraulic sealing in high-pressure environments.
About Shandong Jufengyuan & Core Business
Shandong Jufengyuan Mechanical Technology Co., Ltd is a premier supplier specializing in the manufacturing and distribution of high-quality mining equipment spares. Our flagship brand, Hugeminer, represents durability and cost-effectiveness.
We extensively cover a wide range of global brands. Our main business lines include: Sandvik Parts, Atlas Parts (Atlas Copco/Epiroc), Cummins Parts, Deutz Parts, Carterpillar Parts, Montabert Parts, Furukawa Parts, Komatsu Parts, Hitachi Parts, Volvo Parts, Liebherr Parts, Hyundai Parts, Metso Parts, Sany Parts, and XCMG Parts.
Specialized Inventory: We stock essential components for:
Underground loader bucket pins, rock drill drifting pistons, hydraulic pump repair kits, drifter shank adapters, feed beam wear pads, boom cylinder seal kits, crushing jaw plates, drilling rig electrical sensors, diesel engine fuel injectors, compressor air filters, tramming motor gearboxes, final drive floating seals, hydraulic hose assemblies, solenoid valve coils, joy-stick controllers, LED work lights for miners, articulation bearings, transmission clutch discs, torque converter parts, and pneumatic impactors.
Maintenance Insight: Sandvik DD321 Jumbo Drill - Low Percussion Pressure
Equipment Model: Sandvik DD321 (Development Drill)
Problem Description: The operator reports low percussion pressure during drilling, resulting in poor penetration rates. The percussion gauge fluctuates, and the drifter seems to lack power.
Troubleshooting & Solution:
Check Accumulator Charge: Inspect the nitrogen pressure in the high-pressure and low-pressure accumulators on the rock drill. A ruptured Diaphragm (Part No. 56043103 or similar) often causes pressure drops.
Inspect Seals: Hydraulic fluid leaking internally across the piston seals can cause power loss. We recommend installing a new Seal Kit (like 8440305764 or equivalent Sandvik kit) to restore pressure integrity.
Dampener Check: Ensure the dampener pressure is set correctly relative to the feed pressure.
Hugeminer Tip: Always replace seals in complete sets to prevent uneven wear.
Product Knowledge: The Importance of High-Quality Seal Kits
A SEAL KIT INL (Inline Seal Kit) is critical for maintaining the hydraulic efficiency of your mining rig. These kits typically contain a combination of rod seals, piston seals, wipers, and O-rings made from high-grade Polyurethane (PU) or PTFE.
Why choose Hugeminer alternatives?
Material Science: We use materials resistant to high temperatures and hydraulic fluid aggression.
Tolerance: Precision molding ensures a perfect fit for 8440-3057-64 / 8440305764 housings, preventing fluid bypass.
Longevity: Designed to withstand the abrasive dust and debris common in mining environments.
Popular Search Keywords
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Comprehensive Mining Parts Inventory
Below is a selection of our available inventory. Note: Hyphenated part numbers include search-friendly non-hyphenated variants.
| No. | Part Number (P/N) | Brand | Product Name | Notes |
|---|
| 1 | BG01458551 | Sandvik (OEM) | Fuel Filter | Common OEM Replacement |
| 2 | C120004344 | LGMG/OEM | Pin/Bolt | LGMG/General Mining Parts |
| 3 | C120004346 | LGMG/OEM | Washer |
|
| 4 | C120004348 | LGMG/OEM | Nut |
|
| 5 | C190000938 | OEM | Fitting/Seal |
|
| 6 | C190001118 | OEM | Hose Assy |
|
| 7 | C190001119 | OEM | Hose Assy |
|
| 8 | SL-RL-18
(SLRL18) | Generic | Filter Element | Replacement Part |
| 9 | YN60BFZ | Generic | Pressure Gauge | Stainless Steel, YN60 Series |
| 10 | 4101728 | Sandvik | Clamp/Fixture | Internal Processing Part |
| 11 | 18FDLX-PLUG
(18FDLXPLUG) | Esco | Pin Plug | Bucket Tooth Pin |
| 12 | 18MDL-12MG
(18MDL12MG) | Esco | Lock Pin |
|
| 13 | 18MDL-18MDL-18FDLX
(18MDL18MDL18FDLX) | Esco | Tooth Pin Kit |
|
| 14 | 157B3171 | Danfoss | PVEH Valve Actuator | Danfoss PVG32 Series |
| 15 | 157B4228 | Danfoss | PVEA Valve Actuator |
|
| 16 | 157B7001 | Danfoss | PVEH Valve Actuator |
|
| 17 | 00462527 | Sandvik | O-Ring |
|
| 18 | 00650960 | Sandvik | Washer |
|
| 19 | 00689390 | Sandvik | Seal/Gasket |
|
| 20 | 00703390 | Sandvik | Hex Nut |
|
| 21 | 00847660 | Sandvik | Snap Ring |
|
| 22 | 00864670 | Sandvik | Shim |
|
| 23 | 01183574 | Deutz | Fuel Filter | Deutz Engine Part |
| 24 | 02798720 | Sandvik | Pin |
|
| 25 | 02835380 | Sandvik | Seal |
|
| 26 | 02847330 | Sandvik | Wiper |
|
| 27 | 02869860 | Sandvik | O-Ring |
|
| 28 | 02943590 | Sandvik | Screw |
|
| 29 | 04004131 | Sandvik | Screw |
|
| 30 | 04515665 | Deutz | Oil Filter |
|
| 31 | 04699978 | Sandvik | Cover/Plug |
|
| 32 | 04700661 | Sandvik | Bearing |
|
| 33 | 04700692 | Sandvik | Bearing |
|
| 34 | 04900150 | Sandvik | Grease Nipple |
|
| 35 | 05600001 | Sandvik | Washer |
|
| 36 | 06568119 | Sandvik | Seal |
|
| 37 | 06714852 | Sandvik | Pin |
|
| 38 | 15025908 | Sandvik | Bushing |
|
| 39 | 15252438 | Sandvik | Bolt |
|
| 40 | 15411568 | Sandvik | Bushing |
|
| 41 | 15422348 | Sandvik | Wear Pad |
|
| 42 | 20467658 | Sandvik | Pin |
|
| 43 | 20467788 | Sandvik | Washer |
|
| 44 | 26474208 | Sandvik | Adapter |
|
| 45 | 45585250 | Sandvik | Seal Kit | Cylinder Repair Kit |
| 46 | 45585260 | Sandvik | Seal Kit |
|
| 47 | 45585270 | Sandvik | Seal Kit |
|
| 48 | 52882347 | Sandvik | Sensor |
|
| 49 | 55025815 | Sandvik | Plate/Cover |
|
| 50 | 55032934 | Sandvik | Seal Kit |
|
| 51 | 55035050 | Sandvik | Repair Kit |
|
| 52 | 55035604 | Sandvik | Oil Seal |
|
| 53 | 55041354 | Sandvik | Seal Kit | Feed Beam Cylinder |
| 54 | 55043779 | Sandvik | Filter Element |
|
| 55 | 55044056 | Sandvik | Coil | Solenoid Coil |
| 56 | 55048734 | Sandvik | Seal Kit |
|
| 57 | 55059887 | Sandvik | Seal |
|
| 58 | 55181309 | Sandvik | Slide Piece |
|
| 59 | 55194637 | Sandvik | Solenoid Valve |
|
| 60 | 55196147 | Sandvik | Switch |
|
| 61 | 55201997 | Sandvik | Seal Kit |
|
| 62 | 55206653 | Sandvik | Piston Rod | Or Related Assembly |
| 63 | 56015263 | Sandvik | Pin |
|
| 64 | 56016636 | Sandvik | Bushing |
|
| 65 | 56018969 | Sandvik | Sensor | Pressure/Temperature Sensor |
| 66 | 56030652 | Sandvik | Seal Kit | Rock Drill Seal |
| 67 | 56043103 | Sandvik | Diaphragm | Accumulator Diaphragm |
| 68 | 56046462 | Sandvik | Cable/Harness |
|
| 69 | 56205328 | Sandvik | Bolt |
|
| 70 | 64400895 | Sandvik | Seal |
|
| 71 | 64552299 | Sandvik | Filter |
|
| 72 | 64586468 | Sandvik | Hydraulic Valve |
|
| 73 | 70011539 | Sandvik | O-Ring |
|
| 74 | 70012330 | Sandvik | O-Ring |
|
| 75 | 70212638 | Sandvik | Screw |
|
| 76 | 70391084 | Sandvik | Fitting |
|
| 77 | 70460801 | Sandvik | Nut |
|
| 78 | 70801050 | Sandvik | Washer |
|
| 79 | 78401274 | Sandvik | Seal |
|
| 80 | 78401289 | Sandvik | Seal |
|
| 81 | 81773409 | Sandvik | Bearing | Common Timken/SKF Reference |
| 82 | 88334999 | Sandvik | Maintenance Kit | Filter Service Kit |
| 83 | 0147139803 | ZF/Bosch | Bearing/Seal | Drivetrain Part |
| 84 | 550508028 | Sandvik | Hose | Possible Non-standard Length |
| 85 | 1301000201 | Epiroc | Seal |
|
| 86 | 1302000061 | Epiroc | O-Ring |
|
| 87 | 1403291081 | Epiroc | Nut |
|
| 88 | 3128001241 | Epiroc | Guide/Sleeve | Rock Drill Part |
| 89 | 3128345040 | Epiroc | Seal Kit | Common for 1838 Rock Drill |
| 90 | 3217953500 | Epiroc | Washer |
|
| 91 | 5501185800 | Epiroc/Svk | Hose Assy |
|
| 92 | 5531080000 | Epiroc | Washer |
|
| 93 | 5536272600 | Epiroc | Bolt |
|
| 94 | 5536435000 | Epiroc | Bolt |
|
| 95 | 5537152800 | Epiroc | Nut |
|
| 96 | 5542016900 | Epiroc | Nipple |
|
| 97 | 5580010697 | Epiroc | O-Ring |
|
| 98 | 5589999720 | Epiroc | Repair Kit |
|
| 99 | 9061410180 | Epiroc | Nut |
|
| 100 | 9106184722 | Epiroc | Accumulator/Diaphragm |
|
| 101 | 9261420080 | Epiroc | Bolt |
|
| 102 | AF00500660 | Fleetguard | Air Filter | Fleetguard Filter |
| 103 | AF21040465 | Fleetguard | Filter |
|
| 104 | BG00175283 | Sandvik (OEM) | Bolt | BG Series mostly standard |
| 105 | BG00323192 | Sandvik (OEM) | Washer |
|
| 106 | BG00323194 | Sandvik (OEM) | Washer |
|
| 107 | BG00326650 | Sandvik (OEM) | Nut |
|
| 108 | BG00472965 | Sandvik (OEM) | Fitting |
|
| 109 | BG00565968 | Sandvik (OEM) | Seal |
|
| 110 | BG00740919 | Sandvik (OEM) | Pin |
|
| 111 | BG01312042 | Sandvik (OEM) | Sensor |
|
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