Active Standard ASTM D4998 | Developed by Subcommittee: D02.B0.03
Book of Standards Volume: 05.02
Historical (view previous versions of standard)
Significance and Use
5.1 Many modern tractor designs use the hydraulic fluid to lubricate the transmission and final drive gears. This test method is used to assess the suitability of the tractor hydraulic fluids as lubricants for transmission and final drive gears of tractors.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific warning information is given in Sections 7 and 9.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
D323 Test Method for Vapor Pressure of Petroleum Products (Reid Method)
D329 Specification for Acetone
D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ICS Number Code 75.120 (Hydraulic fluids)