Soundguy
Old Timer
- Joined
- Mar 11, 2002
- Messages
- 52,238
- Location
- Central florida
- Tractor
- RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
Sounds like that garden tractor system didn't have a relief valve.. or it was improperly set...
As for longevity.. at the 50 year point. The big thing I see is that metal is gonna have a better chance of still being there in 50 years.. as opposed to some oring. I'm skepticle myself about how long a hydro will run without a rebuild v.s how long a gear will run without a rebuild.. perhaps we can get some insight from some of the cubs with hydrs'.. what vintage are these? 70's.. still a long way to go begore they hit the 50 year mark.
I do know one thing.. My stepfathers JD 2040 with indepentent pto , the pto gave out du to an oring leak... was 700 in parts by the time we got it tore down, replaced the seals, and put new friction material in ( just because it was already open ).... I would rather have a 2 stage clutch like my 1920 does... seems it would be easier to fix than the indepentent pto setup...
just my .02$
Soundguy
As for longevity.. at the 50 year point. The big thing I see is that metal is gonna have a better chance of still being there in 50 years.. as opposed to some oring. I'm skepticle myself about how long a hydro will run without a rebuild v.s how long a gear will run without a rebuild.. perhaps we can get some insight from some of the cubs with hydrs'.. what vintage are these? 70's.. still a long way to go begore they hit the 50 year mark.
I do know one thing.. My stepfathers JD 2040 with indepentent pto , the pto gave out du to an oring leak... was 700 in parts by the time we got it tore down, replaced the seals, and put new friction material in ( just because it was already open ).... I would rather have a 2 stage clutch like my 1920 does... seems it would be easier to fix than the indepentent pto setup...
just my .02$
Soundguy