This part of GB/T 3871 specifies the test procedures for the available power of agricultural wheeled and tracked tractors on the power take-off shaft (PTO) and at the belt or pulley shaft. The rated power of the power output shaft (PTO) shall be as specified in 6.3.
GB/T 3871.3-2006 Referenced Document
GB/T 1592 Agricultural tractors--Rear-mounted power take-off-types 1,2 and 3
JB/T 7282 Type and specifications of lubricants for tractors*, 2016-04-05 Update
GB/T 3871.3-2006 history
2006GB/T 3871.3-2006 Agricultural tractors.Test procedures.Part 3: Power tests for power take-off
1993GB/T 3871.3-1993 Test methods for agricultural wheeled and tracklying tractors Part 3: PTO power tests
1983GB 3871-1983 Test methods for agricultural tractors