Hello New to Forum here,
I have a 1985 30’ Catalina with a 3 cylinder, and I am trying to determine what engine I have. All paper work (brochures) on board indicate it is possibly a M3-20 however after looking at the post here and other places and looking at the block and for other reasons, including CapnHand’s post on 10-26-07 (on sailnet) with specs, I believe it is a M-25 or Kubota D-850.
The two main reasons I think it is a M-25 are the fact that there is a label stating Universal Model 25 and serial # 12407 or 12507 this is a label NOT a stamp in the block however. Does the M stand for model on Universal motors? Also molded into the block is 855cc
4XQ
OAJ
This is located near the rear of the block mid way up near the top of the fly wheel, when you convert cc’s to cubic inch it comes out to 52.1721ci closer to a M-25 at 52ci than it is to the 38.9ci of the M3-20.On this forum it mentions that the dipstick will have a serial or model # stamped on it mine does not match anything and is /F 15377 36412 /E Where F and E indicate full and empty obviously.
The # stamped near the injection pump is -411659 and on the opposite side stamped into the exhaust is Universal
209911-D T
It has a Fram oil filter PH 3593A.
Why I need to know is I need a starter among other things and I am looking to cross reference to the Kubota # which I believe is a D 850, I do not want to order the wrong starter especially if I do have to go the Universal marine version with its higher price. I do have photos of the starter if this will help someone help me confirm the correct starter/motor.
Thanks for your time and help
Jeff
I have a 1985 30’ Catalina with a 3 cylinder, and I am trying to determine what engine I have. All paper work (brochures) on board indicate it is possibly a M3-20 however after looking at the post here and other places and looking at the block and for other reasons, including CapnHand’s post on 10-26-07 (on sailnet) with specs, I believe it is a M-25 or Kubota D-850.
The two main reasons I think it is a M-25 are the fact that there is a label stating Universal Model 25 and serial # 12407 or 12507 this is a label NOT a stamp in the block however. Does the M stand for model on Universal motors? Also molded into the block is 855cc
4XQ
OAJ
This is located near the rear of the block mid way up near the top of the fly wheel, when you convert cc’s to cubic inch it comes out to 52.1721ci closer to a M-25 at 52ci than it is to the 38.9ci of the M3-20.On this forum it mentions that the dipstick will have a serial or model # stamped on it mine does not match anything and is /F 15377 36412 /E Where F and E indicate full and empty obviously.
The # stamped near the injection pump is -411659 and on the opposite side stamped into the exhaust is Universal
209911-D T
It has a Fram oil filter PH 3593A.
Why I need to know is I need a starter among other things and I am looking to cross reference to the Kubota # which I believe is a D 850, I do not want to order the wrong starter especially if I do have to go the Universal marine version with its higher price. I do have photos of the starter if this will help someone help me confirm the correct starter/motor.
Thanks for your time and help
Jeff