Standard No.:	GB/T 21956.3-2008
English Name:	The strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 3：Static testing method of rear mounted ROPS
Chinese Name:	农林窄轮距轮式拖拉机防护装置强度试验方法和验收条件 第3部分：后置式静态试验方法
Chinese Classification:	T69    Cab and others
Professional Classification:	GB    National Standard
ICS Classification:	65.060.10 65.060.10    Agricultural tractors and trailed vehicles 65.060.10
Issued by:	AQSIQ; SAC
Issued on:	2008-06-03
Implemented on:	2009-1-1
Status:	superseded
Superseded by:	GB/T 21956.3-2015 Protective structure strength on narrow-track wheeled agricultural and forestry tractors—Testing method and acceptance condition—Part 3：Static testing method of rear mounted ROPS
Superseded on:	2016-7-1
Abolished on:	2016-07-01
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	300.0
Delivery:	via email in 1~5 business day

本部分规定了农业、林业窄轮距轮式拖拉机后置式防护装置的静态试验方法和验收条件。
本部分适用于具有两轴的充气轮胎拖拉机,其前轴和后轴最低点的离地间隙不大于600mm;对前轮或后轮装有较大尺寸轮胎的,无论轮距是固定的或可调的,其最小轮距应不大于1150mm;拖拉机空载质量(包括防护装置和生产厂家提供的最大轮胎)大于600kg,如为双向行驶拖拉机则应同时小于3000kg。