Product Details

Specifications

21.00-33
1. E-4 PATTERN 21.00-33
2. Bias OTR Tire
3. Ply-Rating: 32/36PR

21.00-33

Pattern Description:

Appicable to heavy-duty truck operating in bad road condintions as mines, tunnels and quarries.Deep pattern, wide tread gives high cut and wear resistance, good running on gravel surface, and long tread life.

Specification:

Size	Type	Ply-Rating
1800-25	TL	20 24 28
1800-33	TL	32 36 40
2100-33	TT/TL	32 36
2100-35	TL	36 40
2400-35	TL	42 48
2400-49	TL	42 48
2700-49	TL	42 48
3000-51	TL	46 52
3300-51	TL	54 58
3600-51	TL	50 58
3700-57	TL	68
4000-57	TL	60 68
53/80-63	TL	82

Off-The-Road Tire Literacy

1. T.R.A. Classification and application.

Service	Vehicles	T.R.A. CODE
Loader and Dozer	Shovels Loaders Bulldozers	L-2
		L-3
		L-4
		L-5
		L-5S
Earthmover	Dump Trucks Coal haulers Scrapers	E-3
		E-4
		E-7
Grader	Graders	G-2
		G-3
Compactor	Tire-rollers	C-1
		C-2
Industrial	Mechinical handling Equipments	IND3
		IND4
		IND5

2. The different OTR tire familes

100 Series ( Narrow Base )
The H/S aspect ratio is approximately equal to 1.00
The section width, given in inches is a whole number
Example: 18.00R25

80 Series ( Wide Base )
The H/S aspect ratio is approximately equal to 0.80
The section width, given in inches is a whole number followed by a fraction
Example: 20.5R25= 525/80R25

65 Series (Low Profile Tires )
The H/S aspect ratio is appoximately equal to 0.65
The section width, given in millimeters followed by the number 65
Examplt: 750/65R25
3. Comparison of tread depth

Pictures:

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