ASABE Standards Published – March 26, 2020, ASAE S205.2 DEC1978 (R2018) Power Take-Off Definitions and Terminology for Agricultural Tractors, ASAE S207.13 MAY2015 (R2019) Operating Requirements for Tractors and Power Take-Off Driven Implements, ASAE S211.7 JUL2017 V-Belt and V-Ribbed Belt Drives for Agricultural Machines, ASAE S225.2 AUG2016 Chisel Plows, Field Cultivators, Row Crop Cultivators, Ripper Shanks and Ground Tool Mountings, ANSI/ASAE S229.6 DEC1976 (R2017) Baling Wire for Automatic Balers, ASAE S238.1 APR1986 (R2015) Volumetric Capacity of Forage Wagons, Wagon Boxes, and Forage Handling Adaptations of Manure Spreaders, ANSI/ASAE D241.4 OCT1992 (R2017ED) Density, Specific Gravity, and Mass-Moisture Relationships of Grain for Storage, ASAE D243.4 MAY2003 (R2017) Thermal Properties of Grain and Grain Products, ASAE D245.6 OCT2007 (R2017ED) Moisture Relationships of Plant-based Agricultural Products, ASAE S248.3 MAR1976 (R2015ED) Construction and Rating of Equipment for Drying Farm Crops, ASAE D251.2 APR2003 (R2017) Friction Coefficients of Chopped Forages, ASAE D252.1 MAR1982 (R2019) Tower Silos: Unit Weight of Silage and Silo Capacities9, ASAE EP258.5 JUN2014 (R2018) Installation of Electric Infrared Brooding Equipment, ASAE EP260.5 FEB2015 (R2019) Design and Construction of Subsurface Drainage Systems on Agricultural Lands in Humid Areas, ANSI/ASAE S261.7 FEB1989 (R2015) Design and Installation of Nonreinforced Concrete Irrigation Pipe Systems, ASAE EP267.7 NOV1996 (R2017) Prevention of Mosquito Problems Associated with Irrigation and Drainage Systems, ASAE S269.5 OCT2012 (R2016) Densified Products for Bulk Handling — Definitions and Method, ASAE EP270.5 DEC1986 (R2017) Design of Ventilation Systems for Poultry and Livestock Shelters, ASAE D271.2 APR1979 (R2014) Psychrometric Data, ASAE D272.3 MAR1996 (R2016) Resistance to Airflow of Grains, Seeds, Other Agricultural Products, and Perforated Metal Sheets, ASAE D274.1 JAN1992 (R2017) Flow of Grain and Seeds through Orifices, ANSI/ASAE S276.8 APR2016 Slow-Moving Vehicle Identification Emblem (SMV Emblem), ANSI/ASAE S277.2 FEB1972 (R2017) Mounting Brackets and Socket for Warning Lamp and Slow-Moving Vehicle (SMV) Identification Emblem, ANSI/ASAE S279.18 OCT2019 Lighting and Marking of Agricultural Equipment on Highways, ASAE S281.3 APR1987 (R2018) Capacity Designation for Fertilizer and Pesticide Hoppers and Containers, ANSI/ASAE EP282.2 FEB1993 (R2018) Design Values for Emergency Ventilation and Care of Livestock and Poultry, ASAE EP285.8 FEB2014 (R2018) Use of SI (Metric) Units, ANSI/ASAE S289.2 FEB1998 (R2018) Concrete Slip-Form Canal Linings, ASAE S290.2 DEC2004 (R2019) Determining Cutting Width and Designated Mass of Disk Harrows, ASAE EP291.3 FEB2005 (R2018) Terminology and Definitions for Soil Tillage and Soil-Tool Relationships, ASAE S292.6 SEP2019 Uniform Terminology for Agricultural Waste and By-Product Management, ASAE D293.4 JAN2012 (R2016) Dielectric Properties of Grain and Seed, ASAE EP294.3 SEP2003 (R2018) Computing Electrical Demands for Farms, ANSI/ASAE S296.5 DEC2003 (R2018) General Terminology for Traction of Agricultural Traction and Transport Devices and Vehicles, ASAE S301.5 SEP2012 (R2016) Agricultural equipment — Front loaders — Dimensional and operational ratings, ANSI/ASAE EP302.4 FEB1993 (R2017) Design and Construction of Surface Drainage Systems on Agricultural Lands in Humid Areas, ANSI/ASAE S303.4 SEP2007 (R2017) Test Procedure for Solids-Mixing Equipment for Animal Feeds, ASAE S304.8 MAY2006 (R2015) Graphical Symbols for Operator Controls and Displays on Agricultural Equipment, ASAE D309.1 JUN1987 (R2017) Wet-Bulb Temperatures and Wet-Bulb Depressions, ASAE S313.3 FEB1999 (R2018) Soil Cone Penetrometer, ANSI/ASAE S315.5 AUG2018 Agricultural Baling Twine for Automatic Balers, ASAE S317.1 JAN2020 Improving Safety on Enclosed Mobile Tanks for Transporting and Spreading Agricultural Liquids and Slurry, ANSI/ASAE S318.18 JUN2017 Safety for Agricultural Field Equipment, ANSI/ASAE S319.4 FEB2008 (R2017ED) Method of Determining and Expressing Fineness of Feed Materials by Sieving, ASAE D321.2 MAR1985 (R2015) Dimensions of Livestock and Poultry, ASAE S324.2 JUL2018, Volumetric Capacity of Open-Top Manure Spreaders — Dual Rating Method, ASAE S326.1 JAN1989 (R2018) Volumetric Capacity of Closed Tank Type Manure Spreaders, ASAE S327.4 JUL2012 (R2016) Terminology and Definitions for Application of Crop or Forestry Production and Protection Agents, ASAE S328.3 JUL2003 (R2015) Dimensions for Compatible Operation of Forage Harvesters, Forage Transporters and Forage Blowers, ASAE EP329.3 APR2013 (R2018) Single-Phase Rural Distribution Service for Motors and Phase Converters, ANSI/ASAE S331.6 AUG2015 Implement Power Take-Off Drive Shaft Specifications, ASAE S337.1 FEB1987 (R2017) Agricultural Pallet Bins, ANSI/ASAE S338.5 MAY2006 (R2016) Field Equipment for Agriculture — Safety Chain for Towed Equipment, ASAE S341.5 MAY2018 Procedure for Measuring Distribution Uniformity and Calibrating Granular Broadcast Spreaders, ASAE EP342.3 NOV2010 (R2015) Safety for Electrically Heated Livestock Waterers, ANSI/ASAE S343.4 JUN2015 (R2019) Terminology for Combines and Grain Harvesting, ASAE EP344.4 JAN2014 (R2019) Lighting Systems for Agricultural Facilities, ASAE S347.1 MAR1981 (R2015) Flanged Steel Blower Pipe Dimensions, ANSI/ASAE S351 FEB1972 (R2017) Hand Signals for Use in Agriculture, ASAE S352.2 APR1988 (R2017) Moisture Measurement — Unground Grain and Seeds, ASAE S353 MAR1972 (R2017) Moisture Measurement — Meat and Meat Products, ANSI/ASAE S354.7 SEP2018 Safety for Farmstead Equipment, ANSI/ASAE S355.5 SEP2015 (R2019) Safety Practices for Agricultural Front-End Loaders, ASAE S356.1 MAR1980 (R2015) T-Hook Slots for Securement in Shipment of Agricultural Equipment, ANSI/ASAE S358.3 MAY2012 (R2017) Moisture Measurement — Forages, ASAE S360.1 FEB2004 (R2018) Test Procedure and Performance Criteria for the Under-carriage Load Carrying Ability of Farm Materials Transport Equipment, ASAE S361.3 APR1990 (R2015) Safety for Portable Agricultural Auger Conveying Equipment, ANSI/ASAE S362.2 JAN1983ED (R2019) Wiring and Equipment for Electrically Driven or Controlled Irrigation Machines, ANSI/ASAE EP364.4 FEB2013 (R2018) Installation and Maintenance of Farm Standby Electric Power, ASAE EP367.2 MAR1991 (R2017) Guide for Preparing Field Sprayer Calibration Procedures, ASAE S368.4 DEC2000 (R2017) Compression Test of Food Materials of Convex Shape, ASAE EP369.1 DEC1987 (R2019) Design of Agricultural Drainage Pumping Plants, ASAE EP371.2 MAR2002 (R2016) Procedure for Calibrating Granular Applicators, ASAE S374 MAR1975 (R2015) Terminology and Specification Definitions for Agricultural Auger Conveying Equipment, ANSI/ASAE S375.2 DEC1996 (R2018) Capacity Ratings and Unloading Dimensions for Cotton Harvester Baskets, ANSI/ASAE S376.3 FEB2016 Design, Installation and Performance of Underground, Thermoplastic Irrigation Pipelines, ANSI/ASAE S377 DEC1974 (R2015) Application of Remote Linear Control Devices to Lawn and Garden Ride-On Tractor Attachments and Implements, ANSI/ASAE EP378.4 JUN2010 (R2019) Floor and Suspended Loads on Agricultural Structures Due to Use, ASAE EP379.5 APR2012 (R2016) Management of Manure Odors, ASAE S380 DEC1975 (R2015) Test Procedure to Measure Mixing Ability of Portable Farm Batch Mixers, ASAE EP381.1 JUL1988 (R2019) Specifications for Lightning Protection, ASAE D384.2 MAR2005 (R2019) Manure Production and Characteristics, ASAE S386.2 FEB1988 (R2018) Calibration and Distribution Pattern Testing of Agricultural Aerial Application Equipment, ANSI/ASAE EP389.2 JUN1993 (R2019) Auger Flighting Design Considerations, ANSI/ASAE S390.6 (ISO 12934:2013) DEC2016 Tractors and machinery for agriculture and forestry — Basic types — Vocabulary, ANSI/ASAE S392.2 APR2005 (R2019) Cotton Module Builder and Transporter Standard, ASAE EP393.3 DEC1998 (R2018) Manure Storages, ANSI/ASAE S396.3 JUN2016 Combine Capacity and Performance Test Procedure, ANSI/ASAE S397.4 NOV2013 (R2018) Electrical Service and Equipment for Irrigation, ASAE S398.1 MAR1985 (R2016) Procedure for Sprinkler Testing and Performance Reporting, ANSI/ASAE EP400.3 OCT2007 (R2017) Designing and Constructing Irrigation Wells, ANSI/ASAE S401.2 FEB1993 (R2017) Guidelines for Use of Thermal Insulation in Agricultural Buildings, ASAE EP402 DEC1980 (R2016) Radiation Quantities and Units, ANSI/ASAE EP403.4 FEB2011 (R2015) Design of Anaerobic Lagoons for Animal Waste Management, ASAE EP405.1 APR1988 (R2019) Design and Installation of Microirrigation Systems, ASAE EP407.2 SEP2014 (R2018) Agricultural Drainage Outlets — Open Channels, ASAE EP408.3 OCT2014 (R2018) Surface Irrigation Runoff Reuse Systems, ASAE EP409.1 MAR1989 (R2018) Safety Devices for Chemigation, ASAE S410.2 JUL2010 (R2015) Moisture Measurement — Peanuts, ANSI/ASAE EP411.5 DEC2012 (R2016) Guidelines for Measuring and Reporting Environmental Parameters for Plant Experiments in Growth Chambers, ASAE S412.1 MAR1990 (R2019) Ladders, Cages, Walkways and Stairs, ASAE EP413.2 FEB2010 (R2019) Procedure for Establishing Volumetric Capacities of Cylindrical Grain Bins, ASAE S414.2 MAR2009 (R2018) Terminology and Definitions for Agricultural Tillage Implements, ASAE EP415.3 JUN2018 Safety Color Code for Educational and Training Laboratories, ASAE S417.1 MAR1985 (R2018) Specifications for Alarm Systems Utilized in Agricultural Structures, ANSI/ASAE S418.1 OCT2010 (R2019) Dimensions for Cylindrical Hydraulic Couplers for Lawn and Garden Tractors, ANSI/ASAE S422.1 DEC2015 (R2019) Mapping Symbols and Nomenclature for Erosion and Sediment Control Plans for Land Disturbing Activities, ANSI/ASAE S423.1 MAR2014 (R2018) Thermal Performance Testing of Open-Loop Solar Ambient Air Heaters with Defined Inlet and Outlet Conditions, ANSI/ASAE S424.1 MAR1992 (R2017) Method of Determining and Expressing Particle Size of Chopped Forage Materials by Screening, ASABE EP425.1 MAY2016 Underground Outlets for Conservation Practices, ASAE S431.4 MAY2019 2000-RPM Front and Mid PTO for Lawn and Garden Ride-on Tractors and Commercial Turf Equipment, Mid PTO for Compact Utility Tractors, ANSI/ASAE S433.1 JAN2019 Loads Exerted by Free-Flowing Grain on Bins, ASAE S435.1 JAN2015 Polyethylene Pipe Used for Microirrigation Laterals, ANSI/ASAE S436.1 JUN1996 (R2016) Test Procedure for Determining the Uniformity of Water Distribution of Center Pivot and Lateral Move Irrigation Machines Equipped with Spray or Sprinkler Nozzles, ASAE S442.2 FEB2017 Water and Sediment Control Basins, ASAE EP444.1 DEC1999 (R2016) Terminology and Recommendations for Freestall Dairy Housing, Freestalls, Feed Bunks, and Feeding Fences, ANSI/ASAE EP446.3 APR2008 (R2017) Loads Exerted by Irish Potatoes in Shallow Bulk Storage Structures, ANSI/ASAE S448.2 SEP2014 (R2018ED) Thin-Layer Drying of Agricultural Crops, ASAE EP456 DEC1986 (R2015) Test and Reliability Guidelines, ANSI/ASAE S459 MAR1992 (R2017) Shear and Three-Point Bending Test of Animal Bone, ASAE EP463.2 NOV2009 (R2019) Design, Construction, and Maintenance of Subsurface Drains in Arid and Semiarid Areas, ASABE EP464.1 FEB2016 Grassed Waterway for Runoff Control, ASAE S466.2 OCT2012 (R2016) Nomenclature/Terminology for Livestock Manure Handling Equipment, ASAE EP470.1 OCT2011 (R2016) Manure Storage Safety, ASAE S471 MAR1991 (R2018) Procedure for Measuring Sprayer Nozzle Wear Rate, ANSI/ASAE S472 DEC1986 (R2017) Terminology for Forage Harvesters and Forage Harvesting, ASAE EP473.2 JAN2001 (R2015) Equipotential Plane in Livestock Containment Areas, ASAE EP475.3 JAN2018 Design and Management of Storages for Bulk, Fall-Crop, Irish Potatoes, ASAE S477.1 AUG2013 (R2017) Terminology for Soil-Engaging Components for Conservation-Tillage Planters, Drills, and Seeders, ANSI/ASAE S478.1 FEB2012 (R2016) Roll-Over Protective Structures (ROPS) for Compact Utility Tractors, ASAE EP479.1 DEC2013 (R2018) Operation of Controlled Drainage Systems in Humid Regions, ANSI/ASAE S483.2 AUG2011 (R2016) Rotary Mower Blade Ductility Test, ANSI/ASAE EP484.3 DEC2017 Diaphragm Design of Metal-Clad, Wood-Frame Rectangular Buildings, ANSI/ASAE EP486.3 SEP2017 Shallow Post and Pier Foundation Design, ASAE S487.1 MAY2018 Moisture Measurement — Tobacco, ASAE S488.1 APR2013 (R2017) Energy Efficiency of Peanut Drying Systems, ASAE S491 APR1992 (R2017) Graphic Symbols for Pressurized Irrigation System Design, ASABE EP492.1 APR2014 (R2018ED) Diversions, ASAE S495.1 NOV2005 (R2015) Uniform Terminology for Agricultural Machinery Management, ASAE EP496.3 FEB2006 (R2015) Cor.1 Agricultural Machinery Management, ASAE D497.7 MAR2011 (R2015) Agricultural Machinery Management Data, ASAE S500 MAR1990 (R2019) Test Procedure for Measuring the Output Characteristics of an Electric Fence Controller, ASAE S501 APR1990 (R2015) Uniform Terminology for Livestock Production Facilities, ASAE EP505.1 APR2015 (R2019) Measurement and Reporting Practices for Automatic Agricultural Weather Stations, ASABE S506 OCT2010 (R2019) Terminology and Definitions for Planters, Drills and Seeders, ASAE EP511 DEC2003 (R2018) Drain Restoration after Utility Construction, ANSI/ASAE S515 JAN1993 (R2017) Pallet Load Transfer System for Vegetable Harvesters, Shuttle Vehicles, and Road Trucks, ANSI/ASABE S516 OCT2014 (R2018) Terminology for Forest Operations and Equipment, ANSI/ASAE S521 DEC1991 (R2016) Method of Determining Peanut Blanchability, ASAE S526.4 SEP2015 (R2019) Soil and Water Terminology, ASAE S530.1 AUG2007 (R2017) Temperature Sensor Locations for Seed-Cotton Drying Systems, ASABE S532 APR2014 (R2018) Net Wrap for Round Balers, ASAE D535 MAY2005 (R2019) Shelled Corn Storage Time for 0.5% Dry Matter Loss, ASAE EP538.2 OCT2008 (R2018) Design Loads for Bunker (Horizontal) Silos, ASAE S539 MAR1994 (R2017) Media Filters for Irrigation — Testing and Performance Reporting, ASAE EP542.1 NOV2019 Procedures for Using and Reporting Data Obtained with the Soil Cone Penetrometer, ANSI/ASAE EP545 MAR1995 (R2019) Loads Exerted by Free-Flowing Grain on Shallow Storage Structures, ASAE EP552.2 MAY2017ED Reporting of Fuel Properties when Testing Diesel Engines with Alternative Fuels Derived from Plant Oils and Animal Fats, ASAE S553 DEC2000 (R2017) Collapsible Emitting Hose (Drip Tape) — Specifications and Performance Testing, ASAE EP558.1 FEB2014 (R2018) Load Tests for Metal-Clad Wood-Frame Diaphragms, ANSI/ASAE EP559.1 AUG2010 (R2019) Design Requirements and Bending Properties for Mechanically Laminated Wood Assemblies, ASAE S561.1 APR2004 (R2018ED) Procedure for Measuring Drift Deposits from Ground, Orchard, and Aerial Sprayers, ASAE EP562.1 SEP2015 (R2019) Procedure for Determining Recommended Ballast and Minimum Rear Wheel Tread Settings for Agricultural Tractors with Agricultural Front Loaders, ASABE S565 OCT2005 (R2015) Agricultural Ventilation Constant Speed Fan Test Standard, ASAE EP566.2 JUN2012 (R2016) Guidelines for Selection of Energy Efficient Agricultural Ventilation Fans, ASAE EP568.1 MAR2017 Installation of Electric Fence Controllers, ANSI/ASAE S572.3 FEB2020 Spray Nozzle Classification by Droplet Spectra, ASABE S573 OCT2018ED Procedures for Evaluating Variable-Rate Granular Material Application Accuracy of Broadcast Spreaders, ASAE S575.2 NOV2019 Farm and Agricultural Injury Classification (FAIC) Code, ANSI/ASAE EP576.2 OCT2012 (R2017) Lighting and Marking of Animal-Drawn Equipment, ASABE S578 JAN2007 (R2016) Yield Monitor Performance Test Standard, ASABE S579.1 JUL2012 (R2016) Yield Monitor Field Test Engineering Procedure, ASAE S580.1 NOV2013 (R2018) Testing and Reporting Solar Cooker Performance, ASAE S582 MAR2005 (R2016) Cotton Gins — Method of Utilizing Emission Factors in Determining Emission Parameters, ASAE S583.1 AUG2015 Safety for Agricultural Front End Loaders, ANSI/ASABE EP585 DEC2015 (R2019) Animal Mortality Composting, ANSI/ASABE S588.1 NOV2016 Uniform Terminology for Air Quality, ASABE S591.1 APR2018 Procedure for Measuring Point Trip Force and Maximum Trip Height of Tillage Shank Assemblies, ANSI/ASABE S592.1 AUG2016 Best Management Practices for Boom Spraying, ANSI/ASABE S593.1 JAN2011 (R2015ED) Terminology and Definitions for Biomass Production, Harvesting and Collection, Storage, Processing, Conversion and Utilization, ANSI/ASABE S596 FEB2006 (R2015ED) Recycling Plastic Containers from Pesticides and Pesticide-Related Products, ANSI/ASABE S598 JAN2010 (R2019) Procedure for Sampling, Measuring and Reporting Commingled Corp in Combine Harvest of a Subsequent Crop, ANSI/ASABE S600 OCT2011 (R2016) Manually Handled Collapsible Reusable Plastic Containers for Handling of Fruits and Vegetables, ANSI/ASABE S602.3 OCT2018 General Safety Standard for Agricultural Tractors in Scraper Applications, ANSI/ASABE S604.2 OCT2018 Safety for Power Take-off (PTO), PTO Drive Shafts, and Power Input Connection (PIC) for Agricultural Field Equipment, ANSI/ASABE S607 OCT2010 (R2019) Ventilating Manure Storages to Reduce Entry Risk, ANSI/ASABE S608 AUG2008 (R2017) Headlamps for Agricultural Equipment, ANSI/ASABE S612 JUL2009 (R2015) Performing On-farm Energy Audits, ANSI/ASABE S613-1 FEB2009 (R2018) Tractors and Self-Propelled Machinery for Agriculture — Air Quality Systems for Cabs — Terminology and Overview, ANSI/ASABE S613-2.1 JUN2013 Tractors and self-propelled machinery for agriculture — Air quality systems for cabs — Part 2: Cab & HVAC design, ANSI/ASABE S613-3.1 JUN2018 Tractors and self-propelled machinery for agriculture — Air quality systems for cabs — Part 3: Filters for environmental cab HVAC systems, ANSI/ASABE S613-4 AUG2017 Tractors and self-propelled machinery for agriculture — Air quality systems for cabs — Part 4: Performance test of a cab, ASABE S615.1 DEC2013 (R2018) Cotton Module Cover Material Performance, ANSI/ASABE S618 DEC2010 (R2016) Post Frame Building System Nomenclature, ANSI/ASABE S619.1 AUG2019 Safety for Tractor-Mounted, Boom-Type Post Hole Diggers, ANSI/ASABE S620 MAR2017 Safety for Anhydrous Ammonia Application Equipment, ASABE EP621 JUN2017 Guidelines for Calibrating, Validating, and Evaluating Hydrologic and Water Quality (H/WQ) Models, ANSI/ASABE S623.1 JAN2017 Determining Landscape Plant Water Demands, ANSI/ASABE S624 AUG2018 Grain Bin Access Design Safety, ANSI/ASABE S625.1 JUL2018 Drawbar Pin Dimensions and Requirements for Towing Machine with Clevis, ANSI/ASABE S626 SEP2016 Landscape Irrigation System Uniformity and Application Rate Testing, ANSI/ASABE S629 JUN2016 Framework to Evaluate the Sustainability of Agricultural Production Systems, ANSI/ASABE S632-1 JUN2018 Precision Agriculture Irrigation Language: Core Concepts, Processes, and Objects, ANSI/ASABE S632-3 JUN2018 Precision Agriculture Irrigation Language: Irrigation System Operations, ANSI/ASABE S638 MAY2019 Pintle Hitch and Ring for Over the Road Towed Implements, ANSI/ASABE S639.2 FEB2019 Safety Standard for Large Row-Crop Flail Mowers, ANSI/ASABE S640 JUL2017 Quantities and Units of Electromagnetic Radiation for Plants (Photosynthetic Organisms), ANSI/ASABE S641 MAY2018 Droplet Size Classification of Aerial Application Nozzles, ANSI/ASABE S642 SEP2018 Recommended Methods for Measurement and Testing of LED Products for Plant Growth and Development, ANSI/ASABE S647 OCT2018 Seed Cotton Module Identification System, ANSI/ASABE S648-1 MAR2020 Agricultural Field Equipment Braking – Part 1: General Requirements, ANSI/ASABE S648-2 MAR2020 Agricultural Field Equipment Braking – Part 2: Requirements for Agricultural Tractors, ANSI/ASABE S648-3 MAR2020 Agricultural Field Equipment Braking – Part 3: Requirements for Self-Propelled and Special Self-Propelled Machines, ANSI/ASABE S648-4 MAR2020 Agricultural Field Equipment Braking – Part 4: Requirements for Towed Vehicles, ANSI/ASABE S648-5 MAR2020 Agricultural Field Equipment Braking – Part 5: Requirements for the Interface between Towing Vehicle and Towed Vehicles, ANSI/ASABE AD500-1:2014 FEB2015 (R2019ED) Agricultural tractors — Rear-mounted power take-off types 1, 2, 3 and 4 — Part 1: General specifications, safety requirements, dimensions for master shield and clearance zone, ANSI/ASABE AD500-2:2004 OCT2016 Agricultural tractors — Rear-mounted power take-off types 1, 2, 3 and 4 — Part 2: Narrow-track tractors, dimensions for master shield and clearance zone, ASABE/ISO 500-3:2014 FEB2015 (R2019) Agricultural tractors — Rear-mounted power take-off types 1, 2, 3 and 4 — Part 3: Main PTO dimensions and spline dimensions, location of PTO, ANSI/ASABE AD730:2009 W/Amd.