bobcat 642B

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hbgharry1

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Sep 13, 2014
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5
? my 1986 642B has a DATSUN NISSIAN ENGINE in it ????is this original or did someone swap it out?????????????
 
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hbgharry1

Member
Joined
Sep 13, 2014
Messages
5
Are you sure its not a Mitsubishi? The 642B came with a Mitsubishi 4G32 industrial engine.
thats what i though ,,,but no it says datsun nissian on the valve cover and also nissian Z sticker on it aswell,,,,, it has 8 spark plugs ,,,,,4 on intake the side and 4 on the exhaust side ,,,i know what these are about ,,,, ,,,,i needed a carb for it so i checked under mitsubishi 4g32 and notning matched ,,,then checked under nissian and found the carb that matches what i have ,,,, talk about pulling your hair out jezz,,,,im thinking someone did a swap down the line ,,,,BUT the pump drive coupler looks to be the same ,,,and thats what i was looking for the part #'s for both drive and coupler has 20 teeth count thank you for your input
 

OldMachinist

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May 24, 2006
Messages
2,748
thats what i though ,,,but no it says datsun nissian on the valve cover and also nissian Z sticker on it aswell,,,,, it has 8 spark plugs ,,,,,4 on intake the side and 4 on the exhaust side ,,,i know what these are about ,,,, ,,,,i needed a carb for it so i checked under mitsubishi 4g32 and notning matched ,,,then checked under nissian and found the carb that matches what i have ,,,, talk about pulling your hair out jezz,,,,im thinking someone did a swap down the line ,,,,BUT the pump drive coupler looks to be the same ,,,and thats what i was looking for the part #'s for both drive and coupler has 20 teeth count thank you for your input
If its the OEM part here are the parts diagrams with part numbers.
 photo U_Joint1_zpsc7f9d80f.jpg

 photo U_joint2_zps1257e5ca.jpg


The only place you'll find replacement parts is the dealer.
If the coupling isn't the OEM part than you'd need to say what the OD of the spline is not just the number of splines.
 
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hbgharry1

Member
Joined
Sep 13, 2014
Messages
5
If its the OEM part here are the parts diagrams with part numbers.



The only place you'll find replacement parts is the dealer.
If the coupling isn't the OEM part than you'd need to say what the OD of the spline is not just the number of splines.
that" 's it thank you now the next ? is do you know where i can find any good used ones OEM is asking 282.00 for the power yoke and 38.00 for the pump drive that's not bad but the engine drive is a little salty if you can help out that would be great if not ill have to bite the bullet hahaha thank you that's part #5 and #6
 
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