What engine is in my jcb 3c?

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ken1953
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Location: St.John's Newfoundland Canada

What engine is in my jcb 3c?

Post #1 by ken1953 » Tue Jun 21, 2011 10:55 pm

i am trying to order a gasket kit for my jcb 3c, how do i know if the engine is a 38td or a n.98

here are the specs on the machine


jcb serial # 10764313
tractor #384b 190434
engine #21264


time travel
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Real name: john

Re: What engine is in my jcb 3c?

Post #2 by time travel » Wed Jun 22, 2011 12:04 am

ken1953 wrote:i am trying to order a gasket kit for my jcb 3c, how do i know if the engine is a 38td or a n.98

here are the specs on the machine


jcb serial # 10764313
tractor #384b 190434
engine #21264


Hi Ken1953

Those numbers are so close to mine :think:

Mine are:

jcb serial # 109278 blank
tractor #384b 192903
engine #23708

So your must have a torque converter, I am guessing from the 3 at the end of the JCB serial #

Any way check if three injectors or four, that is a good start.

Hopefully one the more knowledgable posters will reply.

I would love to know the year of mine :-)

Have you any photos?
John


Topic author
ken1953
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Location: St.John's Newfoundland Canada

Re: What engine is in my jcb 3c?

Post #3 by ken1953 » Wed Jun 22, 2011 2:15 am

here are some pics and yes she has a shuttle

First Backhoe JCB


Topic author
ken1953
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Re: What engine is in my jcb 3c?

Post #4 by ken1953 » Wed Jun 22, 2011 2:19 am

just reading the manual and the 38dt is identifiable by serial number and the 4/98 is a number prefix does anyone know what this means?


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Re: What engine is in my jcb 3c?

Post #5 by martyn williams » Wed Jun 22, 2011 9:59 am

I think 4 is 4 cylinder and 98 is developed torque, 4 /98 but I may be wrong :lol:
Martyn


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Re: What engine is in my jcb 3c?

Post #6 by jcb1968 » Wed Jun 22, 2011 5:37 pm

ken1953 wrote:i am trying to order a gasket kit for my jcb 3c, how do i know if the engine is a 38td or a n.98

here are the specs on the machine


jcb serial # 10764313
tractor #384b 190434
engine #21264



You can download the manual for the 38TD and 4/98NT here
downloads.php?cat=5
this should help to identify your engine

did your engine boil over? is the thermostat missing? read this
http://leyland.conforums.com/index.cgi?board=general&action=print&num=1249737200
1982 3CX4 sitemaster


jcb1968
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Re: What engine is in my jcb 3c?

Post #7 by jcb1968 » Wed Jun 22, 2011 5:38 pm

ken1953 wrote:i am trying to order a gasket kit for my jcb 3c, how do i know if the engine is a 38td or a n.98

here are the specs on the machine


jcb serial # 10764313
tractor #384b 190434
engine #21264



You can download the manual for the 38TD and 4/98NT here
downloads.php?cat=5
this should help to identify your engine

did your engine boil over? is the thermostat missing? read this
http://leyland.conforums.com/index.cgi?board=general&action=print&num=1249737200
1982 3CX4 sitemaster

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Mark.Rive
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Re: What engine is in my jcb 3c?

Post #8 by Mark.Rive » Wed Jun 22, 2011 9:27 pm

ken1953 wrote:i am trying to order a gasket kit for my jcb 3c, how do i know if the engine is a 38td or a n.98

here are the specs on the machine


jcb serial # 10764313
tractor #384b 190434
engine #21264


Here you go, JCB P'Nos: Head kit (Decoke) only 813/00268. Complete kit (less decoke kit) 813/00205


Topic author
ken1953
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Real name: ken pearcey
Location: St.John's Newfoundland Canada

Re: What engine is in my jcb 3c?

Post #9 by ken1953 » Wed Jun 22, 2011 10:14 pm

engine serial number is 498TBAK124, got the head kit on order from a tractor supply company here in St.John's, got the water pump and gasket kit for 160, JCB dealer wants 250 just for the gaskets.

The reason i am taking the head off is that she is putting compression in the rad and there was no thermostat. Put a new thermostat in and still the same problem. As soon as i start the engine the radiator pressurizes.


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Re: What engine is in my jcb 3c?

Post #10 by agrimax » Thu Jun 23, 2011 12:29 am

B100 LOADER wrote:I think 4 is 4 cylinder and 98 is developed torque, 4 /98 but I may be wrong :lol:
Martyn

4/98 is 4 cylinder and 98mm bore. 3.8 is engine capacity in litres. The engines in early mark 2 3c's,were known as 3.8 BMC which were 4/99 ie 4 cyl and 99 mm bore.Later mk 2 and onward to mk 3 and 3cx had the newer engine-known as 4/98. (Although,am nearly sure they were around 3.8 litre too!).


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