WYS – Wonyoung Seal Corporation, South Korea
WYS (Wonyoung Seal Corporation) is a South Korean manufacturer of hydraulic and pneumatic seals. The company was founded in 1988 and operates in the field of sealing systems for industrial applications and heavy machinery. WYS supplies products to over 40 countries, as well as to more than 300 companies in South Korea. [1]
Over the years, WYS has developed its own technical and development activities. The Research and Development (R&D) Center was established in 2001. The company develops its own seal materials, including high-strength polyurethane materials. [2]
WYS's history includes many years of work with manufacturers and companies in the construction and heavy machinery sectors. Among them are Hyundai Heavy Industries, Doosan Infracore, JCB, Tata Hitachi, DY Power and Hyundai Cylinder. WYS supplies original seal kits for Doosan Infracore, and in 2010 the production of the seals used was localized. [2]
The product range includes hydraulic and pneumatic seals with different designs and materials, including PTFE, NBR, polyurethane, POM and PA, depending on the intended use of the specific product. The WYS catalog contains detailed technical characteristics and operating conditions for the different profiles. [3]
The company maintains a quality and environmental management system and holds certificates, including ISO 9001 and ISO 14001, as well as an R&D center certificate and a certificate for reliability of materials and components. [4]
At Satelit Nikis, we have chosen WYS as an additional brand in the field of hydraulic and pneumatic seals. In our assessment, the products demonstrate a good technical level, use modern materials and represent an interesting alternative in terms of technical characteristics, quality and price.
Sources
[1] WYS – Company / CEO's Greeting
[2] WYS-Hystory
[3] WYS – catalogue
[4] WYS – Certification
Note: All manufacturer's names, descriptions, OEM part numbers, and symbols are used for reference purposes only. The company "Satelit Nikis" Ltd. is in no way affiliated with the respective original equipment manufacturers and operates strictly as an independent aftermarket supplier.
130
products
Products
Metal-clad wiper DWIN 76.2x88.9x7.93 PU95 + cold rolled steel SPCC WYS, Caterpillar 7K-9209
Product data:

Ød=76.2 mm; ØD=88.9 mm; H=7.93 mm
OE reference:
Caterpillar 7K-9209
Suitable for:
WORK TOOL
RAKE
INTEGRATED TOOLCARRIER
IT62G II IT62G IT62H IT38G II IT38H IT38G IT38F IT28G
BUCKET
BUCKET
TRACK LOADER
963 973 943 941 953 973C 973D 973K 951C 963D 963B 951B 963C 963K 953B 941B 953C 953D 953K 955K 955L
LOAD HAUL DUMP
R1600 R1300G R1300G II R1300
MOTOR GRADER
18M3 16 14 18 12M 3 AWD 120 GC 16M 160 140M 140K 14L 150 140K 2 160M 3 AWD 140 16GC 12M 12K 14M3 12M 3 12M 2 160K 160M 140M 3 AWD 140M 3 140M 2 140 GC 16M3 14M-3 160M 2 160M 3
COMPACT WHEEL LOADER
914G 914G2
WHEEL LOADER
962 982XE 918F 928H 928G 960F 972G 966 972H 972K 972M 972 972L 966 GC 972 XE 966 XE 966XE 980 982 950G II 928HZ 950B 950E 980GC 950G 962H 950F 962G 988 950H 950K 962L 962K 950M 950L 962M 916 980G II 980XE G916 926 924 930 936 938 966D 966F 966E G936 966H 966G 930G 966L 930H 966K 930K 966M 930M 950 982 XE 930R 930T 980F II 980 XE 966F II 962M Z 980K HLG 950M Z 950B/950E 950GC 966K XE 990H 950 GC 972G II 972M XE 938G II 966M XE 936E 924F 936F 924H 924G 980B 924K 962G II 980C 980F 980H 980G 980L 980K 972XE 980M 938G 938F 938H 938K 938M 926M 970F 966G II 982M 950F II
RIPPER
953B 953 943
FORK-LOGGING
FORK
INDUSTRIAL ENGINE
D398B D398
LOGGER
227
FRONT SHOVEL
235C
EXCAVATOR
215B 215C 215D 225B 225D 219D 229D 229 225 235 219 215 235B 235C 235D
Material: PU95 + cold-rolled carbon steel SPCC
Profile type: DWIN (DKIY), inch sizes
Working pressure: 0 bar (no pressure)
Working temperature: -55°C ~ +100°C
Media: Mineral-based hydraulic oils, greases and industrial fluids
Manufacturer:
In stock 18 pcs.
Metal-clad wiper DWIN 57.15x76.2x9.525 PU95 + cold rolled steel SPCC WYS, Caterpillar 4J-3515
Product data:

Ød=57.15 mm; ØD=76.2 mm; H=9.525 mm
OE reference:
Caterpillar 4J-3515
Suitable for:
WHEEL TRACTOR
627 621 623 615C 615
INTEGRATED TOOLCARRIER
IT18
TRACK LOADER
977H 941B 977K 977L 963 931C II 931B 935C 951C 931C 943 951B 941 935B 935C II
SOIL COMPACTOR
825C 825B
WHEEL DOZER
834 824B 834B 824 824C
MOTOR GRADER
12F 14G 14E
LANDFILL COMPACTOR
826C 826B
WINCH
53 55
BACKHOE
931 D3
WHEEL LOADER
916 920 988B G916 980B 980C 930 980 966C 988 930R 930T
WHEEL SKIDDER
508
TRACK-TYPE TRACTOR
D3B D4B D4H D5H D6C
RIPPER
963 3 953 5 943
WHEEL SCRAPER
615 621 613C
BULLDOZER
4S 824S 825 5A 5P 5S 814S 3S 3P 977A 4A
Material: PU95 + cold-rolled carbon steel SPCC
Profile type: DWIN (DKIY), inch sizes
Working pressure: 0 bar (no pressure)
Working temperature: -55°C ~ +100°C
Media: Mineral-based hydraulic oils, greases and industrial fluids
Manufacturer:
In stock 18 pcs.
Metal-clad wiper DWIN 76.2x101.6x12.7 PU95 + cold rolled steel SPCC WYS, Caterpillar 2J-1411
Product data:

Ød=76.2 mm; ØD=101.6 mm; H=12.7 mm
OE reference:
Caterpillar 2J-1411
Suitable for:
TRACK-TYPE TRACTOR
D7R D7G D7H D6D SR D8K D8L D8N D6H II D6F SR D5B D9G D9H D7R II D6D D6R D6E D6G D6H
WHEEL TRACTOR
641 651
RIPPER
977 8D 953 951 955 7 6 5 4 8 943
HYDRAULIC CONTROL
163 183B 153
TRACK LOADER
953
WHEEL SCRAPER
630B 631D 631C 631E 623B 623E 631B 637 641 641B 657 637E 637B 637D 651
EXCAVATOR
235B 235C 235
BULLDOZER
8S 8U 6 5A 9A 9C 9U 5S 9S 9R 7SU 6A 6S 7A 7S 7U 6SU 8SU 7S LGP 8A
WINCH
57H 57 56 55 58 56H
WHEEL LOADER
980B 980C 950B/950E 980 950B 950E 950
Material: PU95 + cold-rolled carbon steel SPCC
Profile type: DWIN (DKIY), inch sizes
Working pressure: 0 bar (no pressure)
Working temperature: -55°C ~ +100°C
Media: Mineral-based hydraulic oils, greases and industrial fluids
Manufacturer:
In stock 18 pcs.
Hydraulic piston seal SPW 139.7x120.02x9.5 PTFE + NBR WYS/Korea, CATERPILLAR 5J-4988
Product data

ØD=139.7 mm; Ød=120.02 mm; H=9.5 mm
OE References:
CATERPILLAR 5J-4988
Suitable for:
WHEEL TRACTOR
627 621 623 627B 627G 627E 623B 627F 623G 623E 623F 621B 621E 621F 621G
HYDRAULIC CONTROL
143 141 140
TRACK LOADER
973C 977H 977K 963 973 955H 955K 955L 953
WHEEL DOZER
824B 824C
LANDFILL COMPACTOR
826C
MOTOR GRADER
16 12F 12E 16G 14G 14E
WHEEL LOADER
G926 936E 936F 926 980B 992B 936 980 926E 966C G936 988 950 992
TRACK-TYPE TRACTOR
D4D D4E D6R D6R II
ARTICULATED TRUCK
D400E D25D D350E D30D
RIPPER
963 953 951 955 4 943
TRUCK
773
WHEEL SCRAPER
615 615C 621E
EXCAVATOR
225
BULLDOZER
4S 824S 955 977A 4A 8A
Material: PTFE + 35% Bronze/ NBR
Profile type: SPW (SPG) Double acting piston seal
Working pressure: 0 - 350 bar
Working temperature: -30°C ~ +100°C
Speed: 0.005~1.5 m/s
Media: Mineral oil-based hydraulic fluids, HFA/HFB/HFC fire-resistant fluids, and eco-friendly bio-oils.
Manufacturer:
In stock 13 pcs.
Hydraulic piston seal SPW 127x107.32x9.5 PTFE + NBR WYS/Korea, CATERPILLAR 5J-5020
Product data

ØD=127.0 mm; Ød=107.32 mm; H=9.5 mm
OE References:
CATERPILLAR 5J-5020
Suitable for:
UNDERGROUND ART TRUCK
AE40 AD45B AD60 AD55 AD55B AD63 AD45 AD40
SHOVEL LOGGER
345C
BUCKET
BUCKET HYD BUCKET
LOAD HAUL DUMP
R3000H R1700 II R2900G R1700G R1300 R2900
WINCH
55 56H
MOTOR GRADER
24H 16 12F 140B 16G 14G 14E
WHEEL SKIDDER
530B
TRACK-TYPE TRACTOR
D6H XL D6H XR D6R III D8K D6H II D6R II D5H XL D4E D4E SR D5H D6C D6R D6M D6N D6H
PIPELAYER
594H 594
TOOL BAR
6
LOG LOADR FORST MACH
558
ASPHALT FINISHER
MF41WD
EXCAVATOR
322B L 324D FM LL 325D FM LL 325B L 324D FM 320C FM 568 FM LL 320D FM RR 325C FM 330B L 330D FM 548 325D FM 320D2 FM 320D 558 320B FM LL 568 FM 245 322C FM 320D FM 245D 320B LL 330C FM 245B 538
RIPPER SCARIFIER
16G
WHEEL TRACTOR
623B 621B 615 621R 621E 621G 621H 627 621 623 615C 627B
HYDRAULIC CONTROL
44 143 183B 140
TRACK LOADER
973C 973D 973K 973 977H 977K 977L 955C 955H 955K 955L
SOIL COMPACTOR
825C 825B
WHEEL DOZER
834 824B 834B 824C 824
LANDFILL COMPACTOR
826C 826B
WHEEL LOADER
962 972G 972K 972M 980 988 950K 962K 950M 962M 988B 926 980B 924 930 938 966C 938M 966G 926M 966K 966M 950
ARTICULATED TRUCK
D300E D300D
RIPPER
8D 6 5 4 D5 977
WHEEL SCRAPER
615 621 623B 623E 613 613C 613B 627B 627E 615C 613C II 621E 621B
TRUCK
785 769 769B
LOGGER
322C
BULLDOZER
6 5A 5P 5S 814S 6S 6SU 977A 8C 8A 824S 8S 8U 8R 825 955 4A
FELLER BUNCHER
FB518
UNDERGROUND ART TRUCK
AE40 AD45B AD60 AD55 AD55B AD63 AD45 AD40
SHOVEL LOGGER
345C
BUCKET
BUCKET HYD BUCKET
LOAD HAUL DUMP
R3000H R1700 II R2900G R1700G R1300 R2900
WINCH
55 56H
MOTOR GRADER
24H 16 12F 140B 16G 14G 14E
WHEEL SKIDDER
530B
TRACK-TYPE TRACTOR
D6H XL D6H XR D6R III D8K D6H II D6R II D5H XL D4E D4E SR D5H D6C D6R D6M D6N D6H
PIPELAYER
594H 594
TOOL BAR
6
LOG LOADR FORST MACH
558
ASPHALT FINISHER
MF41WD
EXCAVATOR
322B L 324D FM LL 325D FM LL 325B L 324D FM 320C FM 568 FM LL 320D FM RR 325C FM 330B L 330D FM 548 325D FM 320D2 FM 320D 558 320B FM LL 568 FM 245 322C FM 320D FM 245D 320B LL 330C FM 245B 538
RIPPER SCARIFIER
16G
WHEEL TRACTOR
623B 621B 615 621R 621E 621G 621H 627 621 623 615C 627B
HYDRAULIC CONTROL
44 143 183B 140
TRACK LOADER
973C 973D 973K 973 977H 977K 977L 955C 955H 955K 955L
SOIL COMPACTOR
825C 825B
WHEEL DOZER
834 824B 834B 824C 824
LANDFILL COMPACTOR
826C 826B
WHEEL LOADER
962 972G 972K 972M 980 988 950K 962K 950M 962M 988B 926 980B 924 930 938 966C 938M 966G 926M 966K 966M 950
ARTICULATED TRUCK
D300E D300D
RIPPER
8D 6 5 4 D5 977
WHEEL SCRAPER
615 621 623B 623E 613 613C 613B 627B 627E 615C 613C II 621E 621B
TRUCK
785 769 769B
LOGGER
322C
BULLDOZER
6 5A 5P 5S 814S 6S 6SU 977A 8C 8A 824S 8S 8U 8R 825 955 4A
FELLER BUNCHER
FB518
Material: PTFE + 35% Bronze/ NBR
Profile type: SPW (SPG) Double acting piston seal
Working pressure: 0 - 350 bar
Working temperature: -30°C ~ +100°C
Speed: 0.005~1.5 m/s
Media: Mineral oil-based hydraulic fluids, HFA/HFB/HFC fire-resistant fluids, and eco-friendly bio-oils.
Manufacturer:
In stock 13 pcs.
Metal-clad wiper DWIN 69.85x95.25x12.7 PU95 + cold rolled steel SPCC WYS, Caterpillar 1J-3540
Product data:

Ød=69.85 mm; ØD=95.25 mm; H=12.7 mm
OE reference:
Caterpillar 1J-3540
Suitable for:
TRACK-TYPE TRACTOR
D7H D8K D8N
WHEEL TRACTOR
621 639D 631D 651B 641 621B 637D 657B 621E 633D 651 641B 657
RIPPER
8D 963 7 9 8
HYDRAULIC CONTROL
183B
TRUCK
789
WHEEL SCRAPER
615 630B 666 621 666B 627 631D 631C 631E 631B 633 639D 627B 627E 615C 637 621E 633B 657 637E 633D 621B 637B 637D 651
TRACK LOADER
977K 977L 963
EXCAVATOR
215B 215C 219 215
BULLDOZER
8S 8U 9C 7SU 7A 7S 7U 8SU 7S LGP 8A
WINCH
57H
WHEEL LOADER
936E 980C 936 G936 988
Material: PU95 + cold-rolled carbon steel SPCC
Profile type: DWIN (DKIY), inch sizes
Working pressure: 0 bar (no pressure)
Working temperature: -55°C ~ +100°C
Media: Mineral-based hydraulic oils, greases and industrial fluids
Manufacturer:
In stock 20 pcs.
Metal-clad wiper DWIN 38.1x50.8x6.35 PU95 + cold rolled steel SPCC WYS, Caterpillar 7K-9201
Product data:

Ød=38.1 mm; ØD=50.8 mm; H=6.35 mm
OE reference:
Caterpillar 7K-9201
Suitable for:
CHALLENGER
55 MTC755 MTC765 MTC735 MTC745 35 45
RIPPER
953B 963 953 943
INTEGRATED TOOLCARRIER
IT12B IT12 IT14F IT14B
WHEEL TRACTOR-SCRAPER
613G
BUCKET
BUCKET
TRACK LOADER
963 951C 963D 963B 951B 963C 963K 953B 941B 953C 953D 953K 943 955K 955L 941 953
COLD PLANER
PM-201 PM-565 PM-565B
MOTOR GRADER
12H 12G 12M 12K 120H 120G 14M3 12M 3 12M 2 120 14 160K 120M 160H 120K 160G 160M 140M 3 AWD 12M 3 AWD 120 GC 140M 3 140M 2 135H 160H NA 140 GC 160H ES 120M 2 12H NA 163H 14M-3 135H NA 12H ES 120H ES 160 140M 140K 163H NA 140H 140G 160M 2 160M 3 120H NA 14L 140H NA 150 14M 130G 140K 2 160M 3 AWD 140H ES 140 143H 120K 2 14G
COMPACT WHEEL LOADER
910 910G 910F 910E
WHEEL LOADER
920 G910 924H 924G 924K 930 938 938K 938M 926M 930M 950 930R 930T
RIPPER SCARIFIER
12G 130G 140G
Material: PU95 + cold-rolled carbon steel SPCC
Profile type: DWIN (DKIY), inch sizes
Working pressure: 0 bar (no pressure)
Working temperature: -55°C ~ +100°C
Media: Mineral-based hydraulic oils, greases and industrial fluids
Manufacturer:
In stock 18 pcs.
Hydraulic piston seal SPW 69.85x60.33x4.7 PTFE + NBR WYS/Korea, CATERPILLAR5J-7010
Product data

ØD=69.85 mm; Ød=60.33 mm; H=4.7 mm
Material: PTFE + 35% Bronze/ NBR
Profile type: SPW (SPG) Double acting piston seal
Working pressure: 0 - 350 bar
Working temperature: -30°C ~ +100°C
Speed: 0.005~1.5 m/s
Media: Mineral oil-based hydraulic fluids, HFA/HFB/HFC fire-resistant fluids, and eco-friendly bio-oils.
OE References:
CATERPILLAR 5J-7010
Suitable for :
TRACK-TYPE TRACTOR
D3G D4G D5G
INTEGRATED TOOLCARRIER
IT18F IT24F IT12B IT12 IT14F IT14B IT28G IT28F
BACKHOE LOADER
442D 442E 438C 426C 438D 438B 424D 428 436C 438 434E 422E 432E 432D 444E 416C 428D 428E 428B 428C
EXCAVATOR
315D L 315C
MOTOR GRADER
12H 12G 12M 12K 120H 120G 12M 3 12M 2 120 160K 120M 160H 120K 160G 160M 140M 3 AWD 12M 3 AWD 16H NA 140M 3 140M 2 135H 160H NA 160H ES 120M 2 12H NA 163H 135H NA 12H ES 120H ES 160 140M 140K 163H NA 140H 140G 160M 2 160M 3 120H NA 16H 16G 14L 140H NA 150 130G 140K 2 160M 3 AWD 140H ES 140 143H 120K 2 14G
WHEEL LOADER
918F 928H 928G 924GZ 928HZ 924HZ G910 924F 924H 924G 928F 930G 930H
RIPPER SCARIFIER
12G 130G 140G
COMPACT WHEEL LOADER
910 908 906 910F 910E
Manufacturer:
In stock 6 pcs.
Hydraulic piston seal SPW 75x60x7.3 PTFE + NBR WYS/Korea, VOLVO 9562-20750
Product data

ØD=75 mm; Ød=60 mm; H=7.3 mm
OE References:
VOLVO 9562-20750
Suitable for :
Material: PTFE + 35% Bronze/ NBR
Profile type: SPW (SPG) Double acting piston seal
Working pressure: 0 - 350 bar
Working temperature: -30°C ~ +100°C
Speed: 0.005~1.5 m/s
Media: Mineral oil-based hydraulic fluids, HFA/HFB/HFC fire-resistant fluids, and eco-friendly bio-oils.
Manufacturer:
In stock 8 pcs.
Hydraulic piston seal SPW 50x40x4.3 PTFE + NBR WYS/Korea, VOLVO 9562-20500
Product data

ØD=50 mm; Ød=40 mm; H=4.3 mm
OE References:
VOLVO 9562-20500
Suitable for :
Material: PTFE + 35% Bronze/ NBR
Profile type: SPW (SPG) Double acting piston seal
Working pressure: 0 - 350 bar
Working temperature: -30°C ~ +100°C
Speed: 0.005~1.5 m/s
Media: Mineral oil-based hydraulic fluids, HFA/HFB/HFC fire-resistant fluids, and eco-friendly bio-oils.
Manufacturer:
In stock 10 pcs.
