ISO 13861:2022 pdf download – Machinery for forestry — Wheeled skidders — Terms, definitions and commercial specifications.
3.2.3 axle load load on each axle at normal operating mass (3.2.1) or maximum operating mass (3.2.2) 3.3 Terms related to main machine dimensions 3.3.1 total frame length l 1 horizontal distance between the vertical planes perpendicular to the longitudinal axis passing through the farthest points on the front and rear of the machine, including fenders, tow bars, butt plate, etc., but excluding the fairlead, blade, or grapple Note 1 to entry: See Figure A.1. 3.3.2 overall length l 2 horizontal distance from a vertical plane touching the forwardmost point of the machine, blade positioned to give maximum forward reach, to a vertical plane touching the rearmost point of the machine Note 1 to entry: See Figure A.1. 3.3.3 wheelbase l 3 horizontal distance from the centre of the front axle or front bogie axle assembly to the centre of the rear axle or rear bogie axle assembly when both axles are perpendicular to the longitudinal axis Note 1 to entry: See Figure A.1. 3.3.4 articulation joint to maximum blade arc l 4 horizontal distance from the centreline of the articulation joint to a vertical line tangent to the arc of the blade’s lower edge as it passes from its maximum height h 3 to the lowest blade position h 4 Note 1 to entry: See Figure A.1. 3.3.5 articulation joint to front of machine l 5 horizontal distance from the centreline of the articulation joint to a vertical plane touching the farthest point forward, blade excluded Note 1 to entry: See Figure A.1. 3.3.6 articulation joint to front axle l 6 horizontal distance from the centreline of the articulation joint to the centre of the front axle or front bogie axle assembly Note 1 to entry: See Figure A.1.
3.3.7 overall height h 1 vertical distance between the ground reference plane (3.1.2) and a horizontal plane passing through the highest point of the machine Note 1 to entry: See Figure A.1. 3.3.8 blade height h 2 vertical distance from the lower edge, resting on the ground reference plane (3.1.2), to the top of the blade, decking lugs excluded Note 1 to entry: See Figure A.1. 3.3.9 maximum blade lift of lower edge h 3 maximum vertical height to which the lower edge of the blade can be raised from the ground reference plane (3.1.2) Note 1 to entry: See Figure A.1. 3.3.10 lowest blade position h 4 vertical distance from the ground reference plane (3.1.2) to the blade’s lower edge with blade at its lowest position Note 1 to entry: See Figure A.1. 3.3.11 ground clearance h 5 vertical distance from the ground reference plane (3.1.2) to the lowest point of the machine centre portion, i.e. 25 % of the tread (3.3.19) to either side of the longitudinal centreline Note 1 to entry: See Figure A.2. 3.3.12 ground clearance at articulation joint h 6 vertical distance from the ground reference plane (3.1.2) to the lowest point at the articulation joint Note 1 to entry: See Figure A.1. 3.3.13 loaded tire radius r 1 vertical distance from the ground reference plane (3.1.2) to the horizontal centre of the axle with the machine at normal operating mass (3.2.1) Note 1 to entry: See Figure A.1. 3.3.14 main fairlead roller height h 7 vertical distance from the horizontal centre of the main fairlead roller to the horizontal centre of the axle Note 1 to entry: See Figure A.1.
ISO 13861:2022 pdf download – Machinery for forestry — Wheeled skidders — Terms, definitions and commercial specifications
