Hey guys I just recently purchased a 1977 335 Loader backhoe.The tractor did not come with a crankcase breather tube,I own a 2000 and 4000 gas tractors,this 335 is diesel.Question is the gas motors have the tube installed running down the tractors left,I also own a 340b it has the tube running down the right side of the motor.Is the orientation because of the motor being gas or diesel.I found a used tractor parts dismanteller who has a 3600 which I understand is the AG equivelent of the 335 utility.I'm really trying to get this tractor squared away so it can live outside untill my new shop gets built. So I guess I'm asking if the diesels all have the breather tubes on the right.Thanks for any and all help.
- Thread starter Billy OK
- Start date
shaun wallace
Well-known Member
The orientation of top radiator hose is why gas on left and diesel is on right.
Destroked 450
Well-known Member
- Location
- Harned, Ky
Top radiator hose on the gas engine interfered with the right side vent that the diesel had
That said you can use either one on a diesel
My 4000 was originally gas but I converted it to diesel in the early 90 s
It still has the gas left side vent tube, it bolts to the fan shroud helping stabilize the radiator and is not in the way if I have to remove the inj pump drive cover on the front of the engine
The right side diesel tube is easier to install
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