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6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals

China Guangzhou Sonka Engineering Machinery Co., Ltd. certification
China Guangzhou Sonka Engineering Machinery Co., Ltd. certification
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6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals

6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals
6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals

Large Image :  6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals

Product Details:

Place of Origin: CHINA(MAINLAND)
Brand Name: HQPA/OEM
Certification: ISO9001
Model Number: 6T-8434

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiable
Packaging Details: PP bag inside, carton box outside
Delivery Time: 3-5 days after payment received(public holiday excluded)
Payment Terms: Western Union, L/C, T/T, MoneyGram, D/A, D/P
Supply Ability: 500 Sets per Week
Detailed Product Description
Name: Hydraulic Oil Seal Part No.: 6T-8434
Lifetime: 3000-5000 Hours Hardness: 58-62 HRC
Material: Forge Steel/Cast Steel Process: Forging And Casting
Warranty: 18 Months Application: Construction / Agriculture / Mining Industry
High Light:

o ring oil seal


floating ring seal

6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals


Hydraulic Oil Seal are precision components, the smallest of material and design details can influence the quality.The metal
ring is processed by CNC machine,the fine precision increase O-ring gripping ability,eliminating O-ring sliding,ensure runs


OEM part# 6T-8434 SEAL GROUP for CAT CR3621
One set Consists of two metal sealing rings and two rubber rings
Material 100CR6 steel + NBR60
Warranty 18 months
Stock Available
FOB Wuhan ,Shanghai ,Qingdao ,Ningbo ,Shenzhen ,Xiamen
Package Shrink films + inner box + standard export carton + wood pallet + wood box
Application Constuction machinery ,farm machinery ,coal mining machinery 
1.Metal:Steel Gcr15/100cr6 and cast iron 15Cr3Mo
METAL Steel Gcr15/ 100Cr6 Cast 15Cr3Mo
Surface smoothness/roughness  ≤Ra0.2μm 6.3-12.5μm
Work face smoothness ≤Ra0.15μm ≤Ra0.1μm
Pressure loading ≤0.15MPa ≤0.3 MPa
Forging line speed 2m/s 3m/s
Temperature range -100~200°C -40~160°C
Hardness (HRC) 58-62 65-68
Lifetime (Hours) 3000-5000 5000-8000
2.Rubber ring: NBR60, silicone and FKM rubber rings
Hardness 60°-65° 60°-65° 72°-78°
Minimum tensile strength 11MPa 10.6MPa 11MPa
Minimum elongation at break 300% 400% 260%
Permanent deformation  12% 8% 25%
Temperature range -42℃-120℃ -49℃-230℃ -30℃-250℃
Specific Gravity 1.25 1.2 1.8
-Farm, construction, earthmoving, coal mining machinery
-Excavator, bulldozer, tractor, cranes, forklift, Heavy truck, backhoe
-Undercarraige, hydraulic motor, travel motor, gearbox axle, wheel hub,tunneling


Method of installation:


1.Usingspecialized equipment installation: The pressure will apply to the O-ringdirectly. As shown, the special tool is placed between the metal hole ring and the rubber ring, towards the seat hole, the rubber ring is pressed evenly into the hole.

2. Other methods: An auxiliary O-ring is fixed between the sealing surface of the floating oil seal and the C-ring (as shown). The floating oil seal ring is applied equally by pressure and auxiliary O-ring braces. Sealing the O-ring to ensure other mounting positions.


6T-8434 Hydraulic Oil Seal / CAT CR3621 High Pressure Oil Seals 0

OEM covers 





110-30-00085 110-30-00045 141-30-00610 140-30-00040 140-30-00141 170-30-00110 170-30-00210
175-30-00070 175-30-00700 20Y-30-00040 130-27-00020 150-27-00025 150-27-00026 150-27-00027
204-30-00041 20Y-30-00100 10Y-30-00100 150-30-00035 154-30-00035 154-30-00830 154-30-00832
154-30-00833 170-27-00010 198-30-00072 21T-30-00110 198-30-00072 423-33-00020 423-33-00021
205-30-00052 14X-27-00100 566-33-00010 205-30-00050 195-27-00022 175-27-00120 175-30-00900
205-30-00200 20Y-30-00430 22U-30-00060 22B-30-00030 20Y-30-13210 204-30-00100 198-30-00073
175-27-00102 205-27-00040 21N-30-00040 207-27-00310 421-33-00050 17M-27-00101 208-27-00140
195-27-00100 568-33-00016 562-33-00200 TZES 100-154S TZES 100-154B TZ-ES100-250-A


9G5311 9W6666 1M8747 9W6647 5M1176 6T8433 9G5315 9W6671 9W6680 9W7220 8E5609 9W7225
6P3595 9G5345 9W6690 9W6691 9W7216 2M2858 9W7223 9W6691 1P7249 5P7146 9W7243 7M0481
5P0204 7T0159 9W6651 9W7233 7T0157 108-6997 5P0373 9W7213 9P9663 8E2042 9W6694 9W3732
1141497 9W7201 9W7202 9W6620 9W6619 9W3956 169-6442 6Y0855 9W7204 6Y0856 9G5349 3144128
205-9025 9W7204 6Y0856 9G5349 1796862 1796863 145-6034 9W6644 9W6822 3T6602 365-4920
2627244 3176441 9W7206 1796864 1C9748 1456035 3144130 1791292


4176379 4110358 4128201 4508192 4128201 4508192 4060222 4110359 4512571 4060225 4047279
4104605 4110360 4153468 4163731 4068433 4153711 4163711 4110362 4153732 4508193 4056360
4111361 4507221 4642180 4110366 4110367 4513173 4092483 4082631 4110368 4110369 4114753
4634693 4514259 4179741 4066695 4317584 4138544 4082698 ZAX200-5G XKAH-00916 XKAQ-00219
XKAH-01012 4245703 / 4200413 / 4350347 / 4344155 4082698


58845-01500 R45P0018D2 R45P0018D3 TD00348/17 R45P0018D4 5691020160 MT4000-7918
R45P0018D6 JB5680 619-89900440 71418383 05/903811 1.180-00512 CR3069 XZ993774 MT40211881
R45P0018D21 R45P0018D25 TD0352/04 0964294 5691020340 5691020530
R45P0018D12 2445Z1110 R45P0018D27 TD00611/02 R45P0018D13 UK 5500 R45P0018D14
204-50805000 R45P0018D14 R45P0018D15 760S126FS TLDOA1460 R45P0018D16 R45P0018D18
R45P0018D8 R45P0018D29 RG-30 OK5110 H-25 JB5820 619-95032001 R45P0018D20 760S247F JS2650S YN53D00008S023 LQ15V00020S067 R45P0018D22 760S297FS YN15V00037S029
11.3209 24100U1743S24 R45P0018D28 58845- 20500 U14568 45P0018D18 45P0018D18 R45P00018D9
988430 R45P0018D9 20306 U16184 2445Z1109


1, Competitive Pricing, 30% - 50% lower than the original parts
2, ISO certified Products
3, Experienced team with years of knowledge
4, In-House engineering and Design Capabilities
5, Just-in-time Inventory Programs for OEM/OES
6, MOQ 1 Set

Contact Details
Guangzhou Sonka Engineering Machinery Co., Ltd.

Contact Person: Sum Huang

Tel: 86-18902494641

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