423-33-11440 4233311440 SEAL RING OR FRONT WHEEL BRAKE, WA350-1 538
Price:
Negotiable
MOQ:
10
Delivery Time:
Within 5-15 days after getting your desposit
Brand:
OUB
Product Description
1. Quick Details of seal 423-33-1140 :
| Part NO. | 423-33-11440 |
| Machine | WA350-1 |
| Size | OEM |
| Material | fiberglass,NBR,SILICON, |
| Oil seal type | D-RING |
2. 423-33-11440 parts on group :
| NO. | PART NO. | PART NAME | QTY |
| 1 | 423-22-10041 | FRONT AXLE ASSEMBLY | 1 |
| 2 | 423-22-10040 | FRONT AXLE ASSEMBLY | 1 |
| 3 | 423-30-11031 | BRAKE ASSEMBLY | 2 |
| 4 | 423-33-11030 | BRAKE ASSEMBLY | 2 |
| 5 | 423-33-11112 | CYLINDER | 1 |
| 6 | 581-32-12140 | PLUG | 1 |
| 7 | 566-32-11430 | BLEEDER | 1 |
| 8 | 566-32-11620 | CAP | 1 |
| 9 | 07043-50211 | PLUG | 1 |
| 10 | 07040-11409 | PLUG | 2 |
| 11 | 07002-31423 | O-RING | 2 |
| 12 | 07000-05300 | O-RING | 1 |
| 13 | 423-33-11450 | SLEEVE | 1 |
| 14 | 423-33-11131 | SLEEVE | 1 |
| 15 | 423-33-11440 | SEAL | 1 |
| 16 | 423-33-11421 | SEAL | 1 |
| 17 | 01010-31235 | BOLT | 9 |
| 18 | 01643-31232 | WASHER | 9 |
| 19 | 423-33-11640 | PISTON | 1 |
| 20 | 423-33-11121 | PISTON | 1 |
| 21 | 423-33-11430 | SEAL | 1 |
| 22 | 423-33-11411 | SEAL | 1 |
| 23 | 423-33-11620 | SPRING | 4 |
| 24 | 423-33-11610 | GUIDE | 4 |
| 25 | 04020-00514 | PIN,DOWEL | 4 |
| 26 | 07040-12414 | PLUG | 4 |
| 27 | 07002-02434 | O-RING | 4 |
| 28 | 07000-05190 | O-RING | 1 |
| 29 | 01010-62060 | BOLT | 10 |
| 30 | 01643-32060 | WASHER | 10 |
| 31 | 423-33-11320 | RETAINER | 1 |
| 32 | 07000-05335 | O-RING | 1 |
| 33 | 04020-00820 | PIN,DOWEL | 2 |
| 34 | 423-33-00020 | FLOATING SEAL ASSEMBLY | 1 |
| 35 | 170-27-00023 | FLOATING SEAL ASSEMBLY | 1 |
| 36 | 423-33-11220 | HUB | 1 |
| 37 | 07000-05415 | O-RING | 1 |
| 38 | 423-33-11210 | GEAR | 1 |
| 39 | 421-33-11260 | PLUG | 2 |
| 40 | 07002-01223 | O-RING | 2 |
| 41 | 01010-31445 | BOLT | 12 |
| 42 | 01643-31445 | WASHER | 12 |
| 43 | 423-33-11311 | GEAR | 1 |
| 44 | 01010-61655 | BOLT | 15 |
| 45 | 01643-31645 | WASHER | 15 |
| 46 | 232-25-51430 | PLATE | 5 |
| 47 | 235-25-11360 | DISC | 4 |
| 48 | 07000-32016 | O-RING | 2 |
| 49 | 07000-05415 | O-RING | 1 |
| 50 | 01010-31445 | BOLT | 16 |
| 51 | 01643-31445 | WASHER | 16 |
| 52 | 07040-12012 | PLUG,(FOR SHIPPING) | 1 |
| 53 | 07002-02034 | O-RING,(FOR SHIPPING) | 1 |
3. 423-33-11430 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-99-75600 | 707-35-52660 | 56B-50-34650 |
| 707-99-44340 | 707-99-59740 | 707-35-52690 |
| 707-99-44340 | 707-99-59680 | 707-99-75600 |
| 707-99-44380 | 707-99-59740 | 707-35-52740 |
| 707-99-44290 | 707-99-62010 | 707-35-52750 |
| 707-99-44310 | 707-99-62020 | 707-35-52760 |
| 707-99-44340 | 707-99-62120 | 707-99-77050 |
| 707-99-44380 | 707-99-64010 | 707-99-77090 |
| 707-99-45040 | 707-99-64030 | 707-99-77120 |
| 707-99-45220 | 707-99-64040 | 707-99-77130 |
| 707-99-45230 | 707-99-64040 | 707-99-77140 |
| 707-99-46030 | 707-99-64030 | 707-99-77160 |
| 707-99-64080 | 707-99-64040 | 707-99-77190 |
| 707-99-64120 | 707-99-46030 | 707-99-77220 |
| 707-99-64130 | 707-99-46120 | 707-99-45310 |
5. FAQ
Q: There is a D-ring seal in the transmission seal kit ,so Why is it D-shaped instead of O-shaped?
A: Finding a D-ring in a Komatsu transmission kit instead of a standard O-ring is another classic example of engineering around a specific mechanical failure.In a heavy-duty powershift transmission, clutch pistons must stroke back and forth rapidly under high pressure (300PSI to 400 PSI or higher) to engage the gears. If you used a standard round O-ring in this environment, it would quickly fail due to a phenomenon called spiral twisting.Here is exactly why Komatsu relies on the D-shape:
A: Finding a D-ring in a Komatsu transmission kit instead of a standard O-ring is another classic example of engineering around a specific mechanical failure.In a heavy-duty powershift transmission, clutch pistons must stroke back and forth rapidly under high pressure (300PSI to 400 PSI or higher) to engage the gears. If you used a standard round O-ring in this environment, it would quickly fail due to a phenomenon called spiral twisting.Here is exactly why Komatsu relies on the D-shape:
- It Stops the Seal from "Rolling" (Spiral Failure)When a transmission clutch piston strokes forward, it exerts massive friction on the seal.The O-ring Problem: Because an O-ring is perfectly round, it wants to roll like a wheel inside its groove when the piston moves. As it rolls, different sections of the ring twist at different rates. This severe twisting cuts and tears the rubber internally, causing it to snap. This is known as spiral failure.The D-ring Solution: A D-ring has a wide, completely flat base on one side and a rounded lip on the other. You install the flat base so it sits tightly against the bottom of the machined groove. This flat footprint anchors the seal, physically blocking it from twisting or rolling when the piston slides past it.
- It Resists High-Pressure "Extrusion";When hydraulic oil pressure hits a rubber seal, it forces the rubber toward the tiny clearance gap between the moving metal parts.
Q: What are the most common causes of seal ring failure?
A: Common causes include installation damage like pinching or scratching, contaminated hydraulic fluid causing abrasion, excessive pressure leading to extrusion, and surface defects on mating components that wear the ring.
Q: How long do these seal rings typically last?
A: Under normal conditions with clean fluid and proper installation, high-quality PTFE or PU seal rings can last 3,000–6,000 operating hours, depending on the application and cycle rate.
Q: Can I reuse old seal rings?
A: No, it is never recommended to reuse these seal rings. Once installed and exposed to operating conditions, the rings develop permanent wear, deformation, or surface damage. Even if they look fine, they will not form a reliable seal when reinstalled, leading to leaks or pressure loss. Always use new seal rings during every rebuild.
6. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
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Company
Guangzhou Opal Machinery Parts Operation Department
Location
NO.212,Zhu ji rode,tian he distric,guangzhou,China
Contact Person
Vivian