Hydrolic Leak Forum › Forums › Tractor Troubleshooting › Hydrolic Leak This topic has 2 replies, 3 voices, and was last updated 11 years, 7 months ago by RichWaugh. Viewing 1 reply thread Author Posts November 17, 2013 at 11:59 pm #36532 ronjinParticipant Offline Not sure what they are called – I call them 'rubber-coated' washers. You will need the metric measurements and can get them from Tommy at Affordable or Ronald at RanchHand. RonJ ronjin November 18, 2013 at 12:43 am #36534 RichWaughParticipant Offline They're called bonded washers and Tommy carries them. The most common size is 18 mm for the hydraulic hoses on my loader. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In