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Page 1: ABOUT YUH CHERN
Page 2: ABOUT YUH CHERN

ABOUT YUH CHERN

CORE BUSINESS

THE ENDLESS PURSUIT FOR PERFECTION

In 1979, Yuh Chern Manufacturing Co., Ltd. was established in Taichung City, Taiwan.

ISO 9001 (Quality Management)ERP (Enterprise Resource Planning) SFT (Shop Floor Tracking) PLM (Product Lifecycle Management) APS (Advanced Planning and Scheduling)

UKAS/ISO 9001 ACCREDITED PROCEDURES & IN-HOUSE TESTING FACILITY

EXPERIENCE MAKES THE DIFFERENCE

COMPANY MISSION

COMPANY VISION

30-ton & 200-ton dynamic fatigue testing machines (Chun Yen & Moog Test Controller/CY-6040A & CY-6742)20-ton & 200-ton tensile testing machines (Chun Yen / CY-6042)2.5D image measuring instruments (Carmar / VMM-4030C)Reverse 3D scanner (Carl Zeiss / Steinbichler / Comet L3D - 5M)Surface roughness tester (Mitutoyo / SJ410)3D coordinate measuring machine (Mitutoyo / CRT-AS574)Digital image magnifying detectorRockwell Hardness tester (Zwick / ZHR8150LK)Magnetic particle tester (Karl Deutsch / K+D 700-ACY)

LEAVE THE MOST IMPORTANT SCHEDULE FOR YOUR TRUSTWORTHY PARTNER.

Since our inception, we have developed a professional hot forging manufacturing service model together with experienced stamping and machining competitiveness that focuses on standardized and customized products in the field of conveyor chains, trailer parts and related products.

Through quality services and innovation, provide our customers with the most trusted and technologically advanced products.

COMPANY QUALITY POLICYCustomer Satisfaction & Continuous Improvement

To further our knowledge and skill capabilities as a service provider in the technical fields of forging, stamping and machining.

To ensure compliance with the regulations, we use UKAS/SGS ISO9001 accredited procedures to test our products with in-house testing facility. Yuh Chern is constantly upgrading the latest inspection and testing systems. With the state-of-the-art in-house testing laboratory, we are capable of inspecting diversified products and guaranteeing the reliability, and furthermore boosting customer satisfaction.

Over the decades, our research and development team has accumulated valuable expertise in product development in order to provide customers with professional technical advice in the early stages of their product development. The efforts include material analysis, structure design and surface treatment. By utilizing software such as AutoCAD, Solidworks, Autodesk Inventor, SolidCAM, Cimatron CAD/CAM and Geomagic Design, we are capable of processing more than a hundred development cases per year. This has allowed us to provide increased product developing efficiency and helped customers to shorten the products TTM (time to market) period.

Along with business growth, we had not only upgraded manufacturing facilities but also implemented the following managemenat systems:

Challenging the limit

Our laboratory is equipped with:

Page 3: ABOUT YUH CHERN

2TOW BALL

www.challengehardware.com.tw

ABOUT YUH CHERN

CORE BUSINESS

THE ENDLESS PURSUIT FOR PERFECTION

In 1979, Yuh Chern Manufacturing Co., Ltd. was established in Taichung City, Taiwan.

ISO 9001 (Quality Management)ERP (Enterprise Resource Planning) SFT (Shop Floor Tracking) PLM (Product Lifecycle Management) APS (Advanced Planning and Scheduling)

UKAS/ISO 9001 ACCREDITED PROCEDURES & IN-HOUSE TESTING FACILITY

EXPERIENCE MAKES THE DIFFERENCE

COMPANY MISSION

COMPANY VISION

30-ton & 200-ton dynamic fatigue testing machines (Chun Yen & Moog Test Controller/CY-6040A & CY-6742)20-ton & 200-ton tensile testing machines (Chun Yen / CY-6042)2.5D image measuring instruments (Carmar / VMM-4030C)Reverse 3D scanner (Carl Zeiss / Steinbichler / Comet L3D - 5M)Surface roughness tester (Mitutoyo / SJ410)3D coordinate measuring machine (Mitutoyo / CRT-AS574)Digital image magnifying detectorRockwell Hardness tester (Zwick / ZHR8150LK)Magnetic particle tester (Karl Deutsch / K+D 700-ACY)

LEAVE THE MOST IMPORTANT SCHEDULE FOR YOUR TRUSTWORTHY PARTNER.

Since our inception, we have developed a professional hot forging manufacturing service model together with experienced stamping and machining competitiveness that focuses on standardized and customized products in the field of conveyor chains, trailer parts and related products.

Through quality services and innovation, provide our customers with the most trusted and technologically advanced products.

COMPANY QUALITY POLICYCustomer Satisfaction & Continuous Improvement

To further our knowledge and skill capabilities as a service provider in the technical fields of forging, stamping and machining.

To ensure compliance with the regulations, we use UKAS/SGS ISO9001 accredited procedures to test our products with in-house testing facility. Yuh Chern is constantly upgrading the latest inspection and testing systems. With the state-of-the-art in-house testing laboratory, we are capable of inspecting diversified products and guaranteeing the reliability, and furthermore boosting customer satisfaction.

Over the decades, our research and development team has accumulated valuable expertise in product development in order to provide customers with professional technical advice in the early stages of their product development. The efforts include material analysis, structure design and surface treatment. By utilizing software such as AutoCAD, Solidworks, Autodesk Inventor, SolidCAM, Cimatron CAD/CAM and Geomagic Design, we are capable of processing more than a hundred development cases per year. This has allowed us to provide increased product developing efficiency and helped customers to shorten the products TTM (time to market) period.

Along with business growth, we had not only upgraded manufacturing facilities but also implemented the following managemenat systems:

Challenging the limit

Our laboratory is equipped with:

Page 4: ABOUT YUH CHERN

3

TOW BALLA tow ball is an attachment that provides a connection between the trailer and the hitch.

Pairing a car or motorcycle trailer with a tow hitch allows you to move your vehicle along with your belongings in one single trip. You can also use these pieces of equipment to tow an out-of-service vehicle to a repair shop or transport a vehicle to a new location when you only have a single driver.

To satisfy the growing demand from the market, we commenced manufacturing of many ball sizes. Our largest truck ball size is 3″ for our 10t gooseneck coupling.

To ensure compliance with regulations, we use UKAS/SGS ISO9001 testing facilities & procedures to test our towing equipment in-house before shipping them to our customers.

Item NO. Description A B C D E F G H I Capacity MaterialSurfaceFinish

6022101010001 7/8" × 2000 LB

Tow Ball - 3/4" ShankØ47.63

3/4"-16 UNF-2A

44.45 Ø24.8 25 Ø46 6.5 44.7 109.45 2000LB SAE1045Chrome Plating

502210310111 7/8" × 3.5 Ton

Tow Ball - 3/4" ShankØ47.63

3/4"-10 UNC-2A

52.5 Ø28.8 22 Ø50.5 12.5 51 124.62 3.5 Ton SAE1045Chrome Plating

502210310121 7/8" × 3.5 Ton

Tow Ball - 7/8" ShankØ47.63

7/8"-9 UNC-2A

57.5 Ø28.8 22 Ø50.5 12.5 51 129.62 3.5 Ton SAE1045Chrome Plating

502210310101 7/8" × 3.5 Ton

Tow Ball - 1" ShankØ47.63

1" -8 UNC-2A

57.5 Ø28.8 22 Ø50.5 12.5 51 129.62 3.5 Ton SAE1045Chrome Plating

A

EC

B

D

unit : mm

G

F

IH

unit : mm

70

35.1

19

28.5

19.5

6

SØ49.8

27.6

12

50MM TOW BALL502021021000

Capacity | 3.5 Ton

Material | SAE1045

Surface Finish | Chrome Plating

Page 5: ABOUT YUH CHERN

4TOW BALL

www.challengehardware.com.tw

A

E

C

B

D

unit : mm

G

F

IH

Item NO. Description A B C D E F G H I Capacity MaterialSurfaceFinish

502210310131 7/8" × 3.5 Ton

Tow Ball - 3/4" ShankØ47.63

3/4"-10 UNC-2A

52.5 Ø28.8 22 Ø50.5 12.5 51 124.62 3.5 Ton SAE1045 Galvanized

5022103101450mm × 3.5 Ton

Tow Ball - 7/8" ShankØ50

7/8"-9 UNC-2A

57.5 Ø28.8 22 Ø50.5 12.5 51 130.95 3.5 Ton SAE1045Chrome Plating

60221020100050mm × 3.5 Ton

Tow Ball -7/8" ShankØ50

7/8"-9 UNC-2A

69.5 Ø28.8 22 Ø50.5 12.5 51 142.95 3.5 Ton SAE1045Chrome Plating

60221020200050mm × 3.5 Ton

Tow ball - 1" ShankØ49.5

1"-14 UNS-2A

52 Ø28.8 22 Ø50.5 12.5 51.83 126 3.5 Ton SAE4140Chrome Plating

60221030100050mm × 4.5 Ton

Tow Ball -1 1/4" ShankØ50

1 1/4"-7 UNC-2A

70.5 Ø28.8 22 Ø50.5 12.5 51 143.95 4.5 Ton SAE1045Chrome Plating

4TOW BALL

Page 6: ABOUT YUH CHERN

5

Item NO. Description A B C D E F G H I J K Capacity MaterialSurfaceFinish

60221030200070mm × 4.5 Ton

Tow Ball Set - 1 1/4" Shank

Ø701 1/4"-12 UNF-2A

73 Ø40 29.5 72 26.6 95.26 200 63.38 6.35 4.5 Ton SAE4140Chrome Plating

6022106010003" × 10 Ton Tow Ball Set

- 1 3/4" ShankØ75.8

1 3/4"-12 UNF-2A

88 Ø46 38.2 Ø92 15.5 68.36 189.1 101.6 9.51 10 Ton SAE1045Chrome Plating

TOW BALL

50MM FLANGE TOW BALL602210201001

Capacity | 20000kgf

Material | SAE1045

Surface Finish | White Zinc Plated

A

E

C

BF D

G

IH

13

56.981

.9

2-Ø16.556.4

31.2

90.9

132

48.1

71.6

132.560.9

72.7

R59.7

31.6 SØ50

28 17

unit : mm

K

J

unit : mm

Page 7: ABOUT YUH CHERN

6U-BOLT KIT

www.challengehardware.com.tw

U-BOLT KITU-Bolts are mainly used for the connection between the trailer axle and bumper springs. U-bolts are a much easier way to clamp any kind of tubing/round bar.

Our U-Bolt kit includes U-bolts, plates, nuts, and washers, which can be easily assembled onto the trailer axle and the bumper spring.

Galvanized plated hardware resists rust and corrosion and is superior for boat trailers and weather resistance purposes. Furthermore, we use mechanical galvanizing which means it does not cause hydrogen embrittlement hazard to high-strength steel parts; it's stronger, tougher, and safer.

*Re-tightened after 300 kilometres from installation.

Item NO. Description A B C D Capacity Material Surface Finish

5020501010031/2" × 39mm × 4" BSW

Round Galvanized U-Bolt41.5 101.6 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

5020501010041/2" × 39mm × 4.5" BSW Round Galvanized U-Bolt

41.5 114.3 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

5020501010081/2" × 39mm × 5" BSW

Round Galvanized U-Bolt41.5 127 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

5020501010051/2" × 45mm × 5" BSW

Round Galvanized U-Bolt47.5 127 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

5020501010061/2" × 45mm × 112mm BSW

Round Galvanized U-Bolt47.5 112 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

5020501010071/2" × 45mm × 6" BSW

Round Galvanized U-Bolt47.5 152.4 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

A

CB

D

unit : mm

Page 8: ABOUT YUH CHERN

7

Item NO. Description A B C D Capacity Material Surface Finish

502050102002 1/2" × 40mm × 4" BSW

Square Galvanized U-Bolt42.5 101.6 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102003 1/2" × 40mm × 5" BSW

Square Galvanized U-Bolt42.5 127 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102004 1/2" × 40mm × 5.5" BSW Square Galvanized U-Bolt

42.5 139.7 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102005 1/2" × 40mm × 6" BSW

Square Galvanized U-Bolt42.5 152.4 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102013 1/2" × 45mm × 4" BSW

Square Galvanized U-Bolt47.5 101.6 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102007 1/2" × 45mm × 112mm BSW

Square Galvanized U-Bolt47.5 112 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102006 1/2" × 45mm × 5" BSW

Square Galvanized U-Bolt47.5 127 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102008 1/2" × 45mm × 5.5" BSW Square Galvanized U-Bolt

47.5 139.7 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102009 1/2" × 45mm × 6" BSW

Square Galvanized U-Bolt47.5 152.4 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102010 1/2" × 50mm × 4" BSW

Square Galvanized U-Bolt52.5 101.6 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102011 1/2" × 50mm × 6" BSW

Square Galvanized U-Bolt52.5 152.4 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102012 1/2" × 80mm × 120mm BSW

Square Galvanized U-Bolt80 120 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102014 1/2" × 50mm × 3" BSW

Square Galvanized U-Bolt52.5 76.2 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102015 1/2" × 50mm × 5" BSW

Square Galvanized U-Bolt52.5 127 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102016 1/2" × 50mm × 7" BSW

Square Galvanized U-Bolt52.5 177.8 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

502050102017 1/2" × 56mm × 5.5" BSW Square Galvanized U-Bolt

56 139.7 65 1/2"-13UNC-1A 4616 kgf SS400 Mechanical Galvanized

U-BOLT KIT

AC

B

D

unit : mm

Page 9: ABOUT YUH CHERN

8U-BOLT KIT

www.challengehardware.com.tw

Item NO. Description A B C D E F G H 4-I

5020501020005/8" × 45mm × 165mm

Square Galvanized Plate U-Bolt Kit

47.5 165.1 75 5/8"-11-UNC-2A □110 72.6 Ø20 58.3 18

J K L M N Capacity Material Surface Finish

10 40 60 Ø16.8 10 7702 kgf SS400Mechanical Galvanized

D

CB

A

L

K

M

N

EJ

G

F

H2-

7.0

4-I unit : mm

Item NO. Description A B C D E F G H 4-I

5020501020015/8" × 50mm × 177mm

Square Galvanized Plate U-Bolt Kit

51.5 177.8 75 5/8"-11-UNC-2A □110 72.6 Ø20 58.3 18

J K L M N Capacity Material Surface Finish

10 40 60 Ø16.8 10 7702 kgf SS400Mechanical Galvanized

4 x 5/8"-11-UNC-2A Square Galvanized U-Bolts

2 x tie plates 40x60 8 x hex nuts8 x washers

Kit includes | 2 x tie plates □110

Page 10: ABOUT YUH CHERN

9

U-BOLT KITL

K

M

NA

CB

D

Item NO. Description A B C D E F G H 4-I

502050101001 5/8" × 45mm × 165mm

Round Galvanized Plated U-Bolt Kit

47.5 165.1 75 5/8"-11-UNC-2A □110 72.6 Ø20 58.3 18

J K L M N Capacity Material Surface Finish

10 40 60 Ø16.8 10 7702 kgf SS400Mechanical Galvanized

Item NO. Description A B C D E F G H 4-I

502050101002 5/8" × 50mm × 165mm

Round Galvanized Plated U-Bolt Kit

52.5 165.1 75 5/8"-11-UNC-2A □110 72.6 Ø20 58.3 18

J K L M N Capacity Material Surface Finish

10 40 60 Ø16.8 10 7702 kgf SS400Mechanical Galvanized

Item NO. Description A B C D E F G H 4-I

502050101000 5/8" × 60mm × 190mm

Round Galvanized Plate U-Bolt Kit

62.5 190.5 75 5/8"-11-UNC-2A □110 78 Ø18 72 17

J K L M N Capacity Material Surface Finish

10 40 60 Ø16.8 10 7702 kgf SS400Mechanical Galvanized

EJ

G

F

4-I

H2-

7.0

unit : mm

4 x 5/8"-11-UNC-2A Round Galvanized U-Bolts

2 x tie plates 40x60 8 x hex nuts8 x washers

Kit includes | 2 x tie plates □110

Page 11: ABOUT YUH CHERN

10DUST COVER

www.challengehardware.com.tw

DUST COVERDust covers and wheel bearing protectors help to keep dust and dirt out of the wheel, to ensure that the trailer wheel axle is clean & lubricated, and to promote smooth, safe towing of your trailer. The wheel bearing protector automatically maintains internal pressure to avoid seal damage and continuously lubricates the axle center to avoid jamming.

Your trailer’s wheel axle needs to be lubricated to dissipate heat, stave off corrosion, and keep those wheels a-rolling. There are a few general types of wheel-bearing lubrication systems, each with its particular maintenance characteristics.

Item NO. Description A B C D E Material Surface Finish

503500501005 1.781" Dust Cover 6.5 3.1 30.5 Ø45.4 48.9 Fe Chrome Plating

503500501006 2.44" Dust Cover 7 3.7 38.6 Ø63.5 67.1 Fe Chrome Plating

Item NO. Description A B C D E F Material Surface Finish

503500501003 1.781" Dust Cover

(Rubber Plug)Ø47 Ø45.4 6.5 30.5 3.1 Ø25 Fe Chrome Plating

503500501004 2.44" Dust Cover

(Rubber Plug)Ø66 Ø63.6 7.8 40.8 4.6 Ø30 Fe Chrome Plating

Item NO. Description A B C D Material Surface Finish

50350050001 1.781" Wheel Bearing Protector 50.8 7.5 Ø45.3 Ø47.6 Fe Chrome Plating

50350050002 1.98" Wheel Bearing Protector 50.8 9.5 Ø50.3 Ø50.8 Fe Chrome Plating

503500501000 2.44" Wheel Bearing Protecotor 50.9 9.5 Ø61.97 Ø63.4 Fe Chrome Plating

unit : mm

unit : mm A

C

B

D

unit : mm

AC

B

D

E

A

E

C

B

F

D

26

Page 12: ABOUT YUH CHERN

11

COUPLINGCoupling is primarily used on the trailer to perform the enormous task of pulling a variety of heavy loads at highway speeds.

Trailer couplings come in standard sizes, and many can be adjusted for a more secure connection. Our range of trailer couplings is engineered to meet the highest specifications to ensure reliable attachment for trailers of varying weights and load sizes.

3" FIXED RING COUPLING - 6,000KG 602230601000

Capacity | 6000KG

Material | FCD45

Surface Finish | Electric Black Plated

70MM BALL ELECTRIC COUPLING W/PARK LEVER 4.5T602240601001

Capacity | 4.5Ton

Material | FCD45

Surface Finish | Liquid Black Coating

10 TON GOOSE NECK COUPLING602240601000

Capacity | 10 Ton

Material | SAE1045

Surface Finish | Electric Black Plated

CAUTIONENSURE LOCK PIN

IN POSITIONBEFORE TOWING

168.

618

4

25

57.2

57.1

76.5

218.

38

16.7

3.5

23.7

Ø75.7

41

4-Ø16.3180

175291

.9

397.1137.5Ø41

41

112.5

17.6

2527

.833

.32

unit : mm

187

6.6

119

135.

5

6.6

5.96

5.96

150.

716

0

unit : mm

Us ew it h7 0m mT ow BallYC296 XX

Ø16.5

109

132.9428

184.5

265696

unit : mm

Trailer Parts

Page 13: ABOUT YUH CHERN

12PINTLE HOOK

www.challengehardware.com.tw

PINTLE HOOKA pintle hitch is a tow hitch that uses a tow ring or coupling configuration to secure a hook or a ball combination to tow an unpowered vehicle. Pintle hooks give you a reliable connection for your heavy-duty trailer. Our pintle hook kits include ball mount style hitches and jawed pintle mounts which offer excellent flexibility of movement. Furthermore, we provide options for a combination of receiver bar, pintle hook, and a tow ball, for towing multiple types of trailers, providing further versatility.

Features :* Black powder-coated finish.* Replaceable hitch ball.

Item NO. Description A B C 4-D E F G H I Capacity MaterialSurfaceFinish

602220401001 5 Ton Pintle Hook

+ 4 X HT Bolts & Nuts112.5 85 45 Ø13.5 50 49 153 85 129.31 5 Ton SAE1045

Liquid Coating

602220601000 10 Ton Pintle Hook + 4HT Bolts & Nuts

112.5 85 45 Ø13.5 50 49 153 85 129.31 10 Ton SAE1045Liquid

Coating

602220601001 14.5 Ton Pintle Hook

+ 4 HT Bolts & Nuts CRN 45954 D value 73kN

112.5 85 45 Ø13.5 50.5 53 162 85 146.97 14.5 Ton SAE1045Liquid

Coating

602220801000 20 Ton Pintle Hook + 4HT Bolts & Nuts

112.5 85 45 Ø13.5 50.5 53 162 85 146.97 20 Ton SAE1045Liquid

Coating

3.5 T BALL - 6 TON COMBINATION BALL & PINTLE HOOK 602220201000

Capacity | 6 Ton

Material | SAE1045

Surface Finish | Liquid Coating115.585.5

138.

55

29.8

44.5

4-Ø13.5 186 50

50

150100.12

83.6

22.7

Ø50

Ø42

unit : mm

* Drop forged carbon steel & alloy steel structure.* Spring-loaded latch with safety chain and pin.

E

G

F

IH

unit : mm

A

C

B

4-D

Page 14: ABOUT YUH CHERN

13

50MM 6 TON X 2" ONE PIECE COMBINATION PINTLE HOOK 602220401000

5 TON PINTLE HOOK WITH 2" RECEIVER BAR - ONE PIECE602220401008

Capacity | 5 Ton

Material | SAE1045

Surface Finish | Liquid Coating

Capacity | 6 Ton

Material | SAE1045

Surface Finish | Liquid Coating

79.5

155.

5755

.41

51.62

175.81

378.45

2002-Ø16.5

50.8

14563.75

Ø42

unit : mm

Ø50

138.

55 186

49.8

29.8

Ø42

384.39197

11.8

6 66.68

50.8

Ø16.67

240.48290.33

49.7

unit : mm

PINTLE HOOK

Page 15: ABOUT YUH CHERN

14PINTLE HOOK

www.challengehardware.com.tw

50MM QUICK RELEASE COMBINATION PINTLE HOOK602220203000

Capacity | 3.4 Ton

Material | FCD45

Surface Finish | Liquid Coating

116.686

93.6 45

Ø13.5

Ø42

Ø49.5

77.5

93.6

48.699.6

145

179.

0446

.2

unit : mm

70MM QUICK RELEASE PINTLE HOOK602220601002

Capacity | 20 Ton

Material | SAE1045

Surface Finish | Liquid Coating

157105.62

91.2

211.

5448

.3

43

Ø42

unit : mm

150.

96

4-Ø13.5

44.5

12085.5

14PINTLE HOOK

Page 16: ABOUT YUH CHERN

15

Item NO. Description A B C D E F G H I J K Capacity Material Surface Finish

602220401005 UN45000 56 Ø10.5 129.3 83 137.21 52.58 Ø42 94.27 47.54 40.5 94.8 3500kg SAE1045 Liquid Coating

602220401004 UN45100 - 17 129.3 90 137.21 52.58 Ø42 94.27 47.54 12.5 94.8 3500kg SAE1045 Liquid Coating

PINTLE HOOK

Item NO. Description A B C D E F G H I J

602220401007 PCDE070

Pintle Hook Combination 50mm Tow ball

56 Ø10.5 123 83 133.55 15 192.81 Ø50 58 Ø42

K L M N O Capacity Material Surface Finish

131 83.5 45 35.96 91 3500kg SAE1045 Liquid Coating

Item NO. Description A B C D E F G H I J

602220401006 PCDE071

Pintle Hook Combination 50mm Tow ball

- 17 123 90 133.55 15 192.81 Ø50 58 Ø42

K L M N O Capacity Material Surface Finish

131 83.5 45 8 91 3500kg SAE1045 Liquid Coating

CD

AB

CD

E

F

B

A

KJG

IH

FE

NO

ML

K

H

IG J

Page 17: ABOUT YUH CHERN

16RECEIVER ADAPTOR

www.challengehardware.com.tw

RECEIVER ADAPTORUsing our tow bar adaptor eliminates the need to buy a base plate or a tow bar.

The Pintle Hook Adaptor can be used to convert your tow bar configuration, from a ring coupling trailer to a pintle hitch heavy-duty receiver-style tow bar.

Features:* Steel with a black liquid-coat finish for long-lasting durability* Continuous strong welded support bracket carbon steel construction

PINTLE TOW BAR ADAPTOR 1 1/4" HOLE + 7/8" BUSH 602221101000

Capacity | 10000kg

Material | SS400

Surface Finish | Black Liquid Coating

2" RECEIVER BAR - 8 HOLES602240206000

Capacity | 6000kg

Material | SAE1015

Surface Finish | Black Liquid Coating

21510

57

40

79

50.8

Ø17

63.25

25

33150.25

16.5

100 44

.5

150.586

4-Ø12

unit : mm

4-R10

R10

125

195

3144

.544

.544

.5

85.5

45 8-Ø13

unit : mm

Ø22.2312

Ø31.75

Page 18: ABOUT YUH CHERN

17

RECEIVER BARThe receiver mount can take the form of a tow ball to allow swiveling and articulation of a trailer, or a tow pin, or a tow hook with a trailer loop. It is one of the most common methods to mount a pintle hook.

The receiver bar is designed according to the height between the vehicle tail and the trailer front. The receiver bar end is connected to the trailer hitches, which will set the tow ball locked on the other end of the receiver bar. This is a standard trailer setup.

Whether you’re taking your new boat to the lake for a summertime spin or towing your camper into the mountains, you’ll need a tow hitch (also called a trailer hitch) attached to your vehicle.

2" RECEIVER MOUNT HOLLOW + 50MM × 3500KG TOW BALL602260201002

Capacity | 3500kg

Material | SS400/SAE4140

Surface Finish | Powder Coating

Item NO. Description A B C D E F G H I J Capacity MaterialSurfaceFinish

6022602010012" Receiver Mount Cast

Suit 1 1/4" Tow Ball 2" Drop2" 225mm 76 Ø32 372 25.5 177.19 Ø16.5 92.5 □50 4.5T SAE1045

Powder Coating

6022602010002" Receiver Mount Cast

Suit 1 1/4" Tow Ball - 4" Drop4" 240mm 76 Ø32 372 25.5 177.19 Ø16.5 92.5 □50 4.5T SAE1045

Powder Coating

Ø26

66

234.7338

E

C

B

D

J

G

2-C2.0

FA

I

H

unit : mm

180.4270.3

51.4

Ø16.6

2-C1.5

50.9

19

unit : mm

Page 19: ABOUT YUH CHERN

18SAFETY CHAIN HOLDER

www.challengehardware.com.tw

SAFETY CHAIN HOLDERThe safety chain anchor plate is a safety device connected from the trailer equipment to the trailer. The safety chain anchor plate is an indispensable part to ensure that the trailer is properly connected to the trailer. To ensure that in the event of a tow ball or coupling failure, you can still safely guide the trailer and maintain control, so that you can stop the vehicle stably and avoid dangerous situations. Two safety chains are required and must be connected to their own chain holder. The safety chain anchor plate is just one small detail. If used incorrectly, it may cause major problems. Of course, the safety chain anchor plate increases the safety and responsibility of driving. Ensuring that the function of the safety chain anchor plate is effective and connected is the first step of road safety.

Item NO. Description A B C D E F G H I J K Capacity Material Finish

602220501000 10mm Safety Chain

Anchor Plate 11.5 35.5 65.5 Ø13 29.65 42.15 50.2 R65 1 35 5 8 ton SAE1045 Electro-Plating (Black)

602220601003 13mm Safety Chain

Anchor Plate 15.5 47 69 Ø16 30 45 61 R45.5 1.4 24.5 6 13.5 ton SAE1045 Electro-Plating (Black)

602220801001 16mm Safety Chain

Anchor Plate19 58 79 Ø19 37 55 86 R95 5.5 45 6 22 ton SAE1045 Electro-Plating (Black)

602220901000 19mm Safety Chain

Anchor Plate21.5 72 95.5 Ø22 41.5 64 105 R95 5.5 45 6 30 ton SAE1045 Electro-Plating (Black)

E

G

FA

CB

D

2-RI

H

J

J K

unit : mm

Page 20: ABOUT YUH CHERN

19

AXLE DROP PLATE Axle drop plates are normally applied to satisfy the need for low access of trailers. Our Axle Drop Plates are manufactured to suit 3” and 4” Axle Drops.

Item NO. Description A B C D E Capacity Material Surface Finish

50610010052 3" Drop Axle Assembly - 45SQ / 45RD 76.2 □48 Ø48 187 31.5 19798 kgf SS400 Anti-Rust Oil

50610010053 4" Drop Axle Assembly - 45SQ / 45RD 101.6 □47.5 Ø47.5 187 31.5 23882 kgf SS400 Anti-Rust Oil

50610010018 4" Drop Axle Assembly - 50SQ / 45RD 101.6 □53 Ø48 187 31.5 20161 kgf SS400 Anti-Rust Oil

50610010054 4" Drop Axle Assembly - 50SQ / 50RD 101.6 □53 Ø53 187 31.5 20500 kgf SS400 Anti-Rust Oil

A

CB

R38R43.5

4-R4

D

E

unit : mm

Page 21: ABOUT YUH CHERN

20RECEIVER PIN AND LOCK

www.challengehardware.com.tw

RECEIVER PIN AND LOCKSecuring your trailers is important! We supply a wide selection of locking solutions to keep your trailers safe and secure.

DUAL TRAILER SAFETY LOCK + PADLOCK 602360405000

Material | SS400

Surface Finish | White Zinc Galvanized

SMALL TRAILER + PADLOCK602360105000

Material | SS400

Surface Finish | White Zinc Galvanized

TREGG PIN + LOCK 602320606000

Material | SAE1015

Surface Finish | Yellow Zinc Plated

43.1

46.4

15.2Ø6.6

170

80

Ø19

Ø19

112

5012

0

8

120

145

8

40

9.5

unit : mm

40

9.5

45

unit : mm

23

unit : mm

8

191.

5345

119

135

27

201.

5

458

8

Ø41Ø45

143

Page 22: ABOUT YUH CHERN

21

Item NO. Description A B C D E Material Finish

602340501002 5/8" Receiver Bar Lock 65mm (Square) Ø15.8 65 31.3 45 51.3 Fe Chrome Plating

602340501000 5/8" Receiver Bar Lock 85mm (Square) Ø15.8 85 31.3 45 51.3 Fe Chrome Plating

602330401000 1/2" Receiver Bar Lock 85mm (Square) Ø12.7 85 31.3 45 51.3 Fe Chrome Plating

602330401001 1/2" Receiver Bar Lock 65mm (Square) Ø12.7 65 31.3 45 51.3 Fe Chrome Plating

Item NO. Description A B C Material Finish

602340501001 5/8" Receiver Bar Lock 65mm (Straight) Ø15.8 71 150 Fe Chrome Plating

602340401000 1/2" Receiver Bar Lock 65mm (Straight) Ø12.7 71 150 Fe Chrome Plating

602340401001 1/2" Receiver Bar Lock 85mm (Straight) Ø12.7 91 150 Fe Chrome Plating

A

E

C

B

D

unit : mm

CB

A

unit : mm

RECEIVER PIN AND LOCK

Hitch pin lock cover

Page 23: ABOUT YUH CHERN

22RECEIVER PIN AND LOCK

www.challengehardware.com.tw

Item NO. Description A B C D E F G H Material Finish

602320501000 5/8" Receiver Bar Pin + Clip - 2 Hole Ø15.8 95 30 2-Ø5 12 24 Ø4 75.6 SAE1015 White Zinc Galvanized

602310401000 1/2" Receiver Bar Pin + Clip Ø12.7 83 33 Ø3.5 7 - Ø2 41 Fe White Zinc Galvanized

5/8" RECEIVER BAR LOCK (SILENT TYPE)6024802001

Material | Fe

Surface Finish | White Zinc Galvanized

5/8"

-11-

2A

13382

Ø12

.7

23.3

A

E

C

BF

D

unit : mm

G

H

unit : mm

32.4

10

5/8"-11-2B 32

32

unit : mm

Page 24: ABOUT YUH CHERN

23

3/8" LEVER COUPLING LOCKING PIN602320506000

Material | Fe

Surface Finish | Yellow Zinc Plated

Hardware Kits include |

LEVER COUPLING LOCK PIN KIT602340501003

Material | Fe

Surface Finish | Chrome Plating

RECEIVER PIN AND LOCK

Flat washer

Spring

Spring Pin

(not assembly)

A

B

150

13.5

18.5

1.5

79.5 5.7

35 77 Ø9.

5

2-Ø3

12.5

Ø3

Ø19

Ø10.5

23

Page 25: ABOUT YUH CHERN

24AXLE ELECTRIC WELD RING

www.challengehardware.com.tw

AXLE ELECTRIC WELD RINGOur Axle Weld Rings are available in two major types: square-shaped and round-shaped. The square-shaped weld ring features a round hole at the center and four-bolt holes near each corner. Our round-shaped weld rings have two options: square center hole and round center hole. Both are surrounded by five smaller holes near the edge.

45MM SQUARE WELD RING50224113001

Material | JISG3131

Surface Finish | Anti-Rust Oil

50MM SQUARE WELD RING502024011000

Material | SS41

Surface Finish | Anti-Rust Oil

------- Inner Square Shape -------

60MM ROUD WELD RING50224114001

Material | SS41

Surface Finish | Anti-Rust Oil

------- Inner Round Shape -------

10072

Ø44.35

4-Ø12.35

72

6

10

unit : mm

44.86 44.86

□54.4

28.5

852

.77

5-Ø10.25

P.C.DØ99Ø

129.

3

Ø82

.2

68

unit : mm

44.8644.86

28.5

852

.77

5-Ø10.25

P.C.DØ99

Ø12

9.3

Ø82

.2Ø

59.8

68

unit : mm

Page 26: ABOUT YUH CHERN

25

OEM ODM TRAILER PARTOur excellence in product development has seen our production capabilities diversify into various fields including the Transportation Industry.

We have developed numerous after-market Motor Vehicle spare parts, Trailer parts, and other parts within the transportation industry that require the highest level of quality and satisfy stringent safety standards.

ALUMINUM EASY JACK502024012000

Capacity | 2000kg

Material | A356

Surface Finish | Sandblasting

TRAILER LOCK & GUIDE (AUS TYPE)502022022001

Material | SS400

Surface Finish | Galvanized

88.5

63.5

76.534.2

107.

539

.77

87.268.5

27.5

35.5

27

20.56

19

348.2419

253.

5

6

54.6

R29

64.5

unit : mm

unit : mm

307.78

75

6

6

90

73.5

33.2

Ø12

75

75

Page 27: ABOUT YUH CHERN

26OEM ODM TRAILER PART

www.challengehardware.com.tw

We acknowledge the need for such precision and quality standards; therefore we work with our customers at product inception stages to create production procedures that will eliminate product inefficiencies. We utilize testing procedures to guarantee our products. For example, 2 million cycle fatigue testing and the use of spectrometers to confirm the material strength of each part. We use Optical Scanners and 3D measuring instruments to guarantee and confirm that the dimensions and specifications are consistent and precise. These processes reflect our commitment to excellence and customer satisfaction.

Item NO. Description A B C D E F G H I J K L M N O Capacity MaterialSurfaceFinish

602220201001 Trailer Ring Coupling

GM 10300A155 120 Ø15 Ø10 Ø34.2 90 55 Ø8.4 Ø20 102 70 15 181.2 93.5 45.5 25000 kg SAE1541

Powder Coating

602220301000 Trailer Ring Coupling

GM 10400A180 140 Ø17 Ø10 Ø34.2 120 80 Ø8.4 Ø20 110 70 20 181.2 93.4 40.6 35000 kg SAE1541

Powder Coating

602220401003Trailer Ring Coupling

GM 10500A200 160 Ø21 Ø10 Ø34.2 140 100 Ø8.4 Ø20 110 70 19 181.2 94.5 41.4 50000 kg SAE1541

Powder Coating

2T MARINE COLLAR50610010062

Material | SAE1008

Surface Finish | Anti-Rust Oil

unit : mm

2.05

0.7X45° 0.7X45°

17.66

R0.4

R3Ø64.95

Ø60.35

Ø49.95

MN

O

LK

J

unit : mm

HI

E

D

A B

CFG