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Page 12

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Item 66771 

        

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• 

Section width

- This number gives the width of the 

tire in inches.  The larger the number, the wider 

the tire.  (The markings on the example tire diagram 

show 4.80.  The markings on your tire may differ.)

• 

Inner Diameter

- This number gives the 

inner diameter of the tire in inches.   

This is also the rim diameter in inches.   

(The markings on the example tire diagram 

show 12.  The markings on your tire may differ.)

• 

U.S. DOT Tire Identification Number

-  

This begins with the letters “DOT” and indicates that 

the tire meets all federal standards.   

The next two numbers or letters are the plant code 

where it was manufactured, and the last four 

numbers represent the week and year that the tire 

was built.  For example, the numbers 2107 mean 

the 21st week of 2007.  Any other numbers used 

are marketing codes used at the manufacturer’s 

discretion.  This information is used to contact 

consumers if a tire defect requires a recall.

• 

Maximum Load Rating

- This number 

indicates the maximum load in kilograms and 

pounds that can be carried by the tire.

• 

Load Index

- This is a measurement of how much 

weight each tire can support.  See Table A below.   

(The markings on the example tire diagram 

show 71.  The markings on your tire may differ.) 

Note:

 You may not find this information on 

all tires because it is not required by law.

code pounds

71

761

72

783

73

805

74

827

75

853

76

882

77

908

78

937

code pounds

79

963

80

992

81

1,019

82

1,047

83

1,074

84

1,102

85

1,135

86

1,168

code pounds

87

1,201

88

1,235

89

1,279

90

1,323

91

1,356

92

1,389

93

1,433

94

1,477

code pounds

95

1,521

96

1,565

97

1,609

98

1,653

99

1,709

100

1,764

101

1,819

102

1,874

code pounds

103

1,929

104

1,984

105

2,039

106

2,094

107

2,149

108

2,205

109

2,271

110

2,337

Table A:  Load Index Rating codes

Tire Markings

Load index and 

Speed rating*

European tire 

certificate*

U.S. DOT tire 

identification 

number

*Information not required by U.S. DOT

Inner diameter 

in inches

Section width 

in inches

Trailer 

tire

Maximum 

load rating

Tire ply 

composition 

and materials 

used

Maximum 

permissible 

inflation 

pressure

Summary of Contents for 66771

Page 1: ...uctions Save This Manual Keep this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures Write the product s serial number in the back of the...

Page 2: ...avoid possible injury or death Indicates a hazardous situation which if not avoided will result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or...

Page 3: ...ing safety work shoes is recommended 2 Do not setup or use this Trailer if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgement or reflexes are i...

Page 4: ...nels 11 Make sure you have wheel chocks and jack stands 12 Check trailer for loose bolts and nuts structural cracks and bends and any other condition that may affect its safe operation Do not use the...

Page 5: ...need when backing up have someone outside at the rear of the trailer to guide you whenever possible 4 Use slight movements of the steering wheel to adjust direction Exaggerated movements will cause g...

Page 6: ...ies when servicing use only identical replacement parts Only use accessories intended for use with this Trailer Approved accessories are available from Harbor Freight Tools 3 Maintain this Trailer wit...

Page 7: ...Place the Trailer Body 1 upside down as shown in Figure A Body 1 Figure A 2 Use the Bolts 25 and Lock Nuts 33 to fasten the Leaf Springs 2 onto the sides of the Trailer Body WARNING Mount the Leaf Sp...

Page 8: ...ers and away from the Tires 10 Use Bolt 27 and Lock Nut 34 to mount the Coupler 7 to the front of the Drawbar 11 Use Bolts 26 Nuts 34 Rubber Pads 39 and Washers 29 to fasten Body Bracket 19 to Bottom...

Page 9: ...ly causing property damage SERIOUS PERSONAL INJURY AND OR DEATH 4 Make sure the Safety Chains are secured safely to the Trailer and the tow vehicle Do not allow the Safety Chains to touch the ground w...

Page 10: ...needs to be pressed back while the Nut is tightened After Nut is tightened the retaining plate needs to fit in place against the flats of the Nut to prevent it from moving This adjustment should be d...

Page 11: ...ed to carry Maximum Loaded Vehicle Weight means the sum of a Curb weight b Accessory weight c Vehicle capacity weight and d Production options weight Maximum Tire Width means the greater of either the...

Page 12: ...s if a tire defect requires a recall Maximum Load Rating This number indicates the maximum load in kilograms and pounds that can be carried by the tire Load Index This is a measurement of how much wei...

Page 13: ...MPH N 87 P 94 Q 100 R 106 S 112 T 118 Code MPH U 124 H 130 V 149 Z 149 W 168 Y 186 Table B Tire Speed Rating Codes Note You may not find this information on all tires because it is not required by la...

Page 14: ...acard certification label or in the owner s manual This Trailer has 60 PSI recommended cold tire inflation pressure 2 Measure and record the tire pressure of all tires 3 If the tire pressure is too hi...

Page 15: ...and Load Limit Tire and Loading Information Placard The weight of cargo should never exceed 271 kg or 600 lb TIRE SIZE COLD TIRE PRESSURE SEE OWNER S MANUAL FOR ADDITIONAL INFORMATION FRONT 4 80 4 00...

Page 16: ...TO 3 000 MILES OF USE lubricate the Hub Assemblies with a heavy weight bearing grease following the instructions in Hub Bearing Maintenance on page 16 2 After each Hub Assembly is reassembled tighten...

Page 17: ...lights off then clean the surface deposits in the connector holes Try to clean off only the deposits and lubricate lightly with dielectric light waterproof grease Maintenance Chart The following Char...

Page 18: ...o serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 7 8 6 27 34 37 3 3...

Page 19: ...nical questions please call 1 888 866 5797 Item 66771 Safety Operation Maintenance Setup 14 21 17 16 15 20 18 19 32 30 28 32 35 30 32 Please note Rubber Pads 29 not shown 23 32 30 24 29 34 39 Assembly...

Page 20: ...ree from defects in materials and workmanship for the period of 90 days from the date of purchase This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accide...

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