Already a subscriber? 
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
BS ISO 7867-1:2018 Metric series for agricultural, forestry machines and construction tyres - Tyre designation, dimensions and marking, and tyre/rim coordination, 2018
- National foreword
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 Tractor drive wheel tyres
- 4 Tyre size designation [Go to Page]
- 4.1 General
- 4.2 Tyre type prefixes
- 4.3 Nominal section width
- 4.4 Nominal aspect ratio
- 4.5 Tyre construction code
- 4.6 Nominal rim diameter code
- 4.7 Tyre type suffixes
- 5 Marking [Go to Page]
- 5.1 General
- 5.2 Tyre size designation
- 5.3 Service description
- 5.4 Additional information
- 5.5 Tyre classification and nomenclature
- 5.6 Tyre maximum pressure for bead seating pictogram
- 6 Tyre dimensions [Go to Page]
- 6.1 General
- 6.2 Calculation of "design tyre" dimensions [Go to Page]
- 6.2.1 General
- 6.2.2 Theoretical rim width, Rth
- 6.2.3 Measuring rim width, Rm
- 6.2.4 Design tyre section width, S
- 6.2.5 Design tyre section height, H
- 6.2.6 Design tyre overall diameter, DO
- 6.3 Calculation of "minimum overall tyre dimensions" [Go to Page]
- 6.3.1 Minimum overall width, Wmin
- 6.3.2 Minimum overall diameter, DO,min
- 6.4 Calculations of "maximum overall tyre dimensions in service" [Go to Page]
- 6.4.1 General
- 6.4.2 Maximum overall width in service, Wmax
- 6.4.3 Maximum overall diameter in service, DO,max
- 6.5 Coefficients for calculation of tyre dimensions
- 7 Tyre dimensional data
- 8 Method of measurement of tyre dimensions
- 9 Tyre and rim coordination [Go to Page]
- 9.1 Approved rim widths
- 9.2 Approved rim contours
- 10 Tyre parameters for vehicle speed reference
- Annex A (normative) Tyre design dimensions and approved rim width codes
- Annex B (normative) Dimensional guidelines for rim widths and nominal rim diameters
- Annex C (informative) Approved rim contours for metric agricultural tractor drive wheel and implements tyres on 5° and 15° tapered rims
- Annex D (informative) Rolling circumference (RC), rolling circumference index (RCI) and speed radius index (SRI) values for metric drive wheel tyres
- Bibliography [Go to Page]
