Who knows old Cummins engines?

Leaky Boot · Jul 27, 2010

Bought an old Fleetstar 2000 made in mid to late 60"s. It has a 220 hp inline 6 that sits at a slight slant. What is the model , cubic inch, etc. Thanks, LB

LP GAS ONLY · Jul 27, 2010

Are you sure it is a Cummins??
Fleetstar used alot of 238 Detriot in there.
Is it a light blue color? They leaned like you say it is.

GarryinNC · Jul 27, 2010

(reply to post at 13:37:12 07/27/10)

An NH 220 Cummins will have the injection pump and air compressor on the left side of the engine driven off of the front accessory drive. On this old style of engine there are injector lines running up the side of the block,two to each head. Cummins have three heads,three rocker boxes and three rocker covers. A 6-71 detroit has I believe one long head and rocker cover.

Not sure about the cubic inches, I have a manual around here some where, my dad is 85 and started working on these engines in the early 1950's.[/quote]

Leaky Boot · Jul 27, 2010

Yes, it's got the acc drive on the driver side just like my 855 small and big cam engines. They sit straight and this one at a slant. I was wondering if it was 855 cid also. It's a nonturbo. I also notice it runs alot more oil pressure than the newer engine. Almost like a Cat. LB

Alan Moudy · Jul 27, 2010

The old 220 had external fuel lines. They put them at an angle to get more hood clearance. The c.i. was 743. When they came out with the 855 c.i. engine,they had internal fuel galleries. I had a 220 that was in a 1962 truck and a 855c.i. 250 h.p. that was in a 1966 truck. I also had a 743 c.i. that had a mechanical supercharger that was a 320h.p. It was in a 1963 truck.This truck had a very short fuse(could not hold head gaskets with the 6 bolt heads.)

twopop · Jul 27, 2010

been a long time,but i do think they were 855 cid also.i believe any engine in the 2000 was slanted.if i remember right if you added a turbo they became an nt262 but maybe called an nto262

old · Jul 27, 2010

Been almost 10 years since I messed with one of those 190/220 cummins engine. Had one in my Diamond -T and wish I could find the parts to fix the old girl back up

Anonymous-0 · Jul 27, 2010

They still build Diamond T trucks. Google them. Built in Harrisburg Pa. I still get parts from them for my 1976 model.

Anonymous-0 · Jul 27, 2010

just rebuilt a 1949 hbr600 cummings 150 hp.in a sterling .jobbers inc. in nh.has all the obsolete cummings parts.very nice to deal with.they also have the old service manuals.

John Harmon · Jul 27, 2010

Ssure you are not confusing Mack with diamond T/Diamond T ceased production in 1967 when White Motor Corp. bought them and Reo out,and began the production of Diamond Reo.In 1969 I bought a short hood Diamond Reo conventional tractor,with a Cummins 250,a 10 speed Road Ranger Trans and Tandem Hendrickson suspension .It about killed me,roughest riding truck I ever drove. It took me 10 months to find some one willing to trade with me. Finally got a tandem B76 Mack with a Turbo 250 Cummins and a 13 speed Tiplex Mack trans and a Elkhart 40" Box sleeper and it was a mighty fine flat bed hauler.I had it leased out and hauled steel around the great lakes area for 5 years with it.

old · Jul 27, 2010

Well that is a yes no and sort of thing. The TRUE Diamond-T company went out of business back in the 70s but then some time in the 90s some one bought out all the patents etc of the old company and started making them again. Last I checked into them most where not legal to be used here in the U.S. and most ended up in South America and they are mostly 6X6 trucks but as I said last I checked which was about 10 years ago when I was trying to get my 1963 Diamond-T 990 back up and running and I could not find the 1 sleeve and piston I needed. I could get sleeves but I had to buy 6 because they where different then the originals at a cost of $500 per hole which was/is to rich for me

Paul Janke · Jul 27, 2010

743 CID. Any I was around took so long to stop when you shut them off that you looked to be sure the key was actually off. The last few revolutions shook so much that it would almost remove truck doors which were open at the time.

J.Wondergem · Jul 27, 2010

Nothing like the sound of a 220 Cumnins with a straight pipe.

Anonymous-0 · Jul 27, 2010

The NH 195-220 engines were 5 1/8 bore,the the later engines were 5 1/2.855cid.Cummins also had a Super 250 for a few years that was 927cid.If your engine has the external fuel lines,it's and older 743cid.Another sure way to tell is they had 6 head bolts per head.

Anonymous-0 · Jul 27, 2010

They were still being built in the 80s. I drove a mid 80s pulling a coal wagon that has a Deutz engine from the factory.

Diamond T was picked up by a group of investors and never stoped truck production but the name was changed to T Line trucks. Same company just a different name.

old · Jul 27, 2010

No not the same company Diamond T went under because of a gov contract they had with out an inflation clus and the gov shut them down. Same pantnets but not the same company. White at one time tried to save them but they to fell and where in turn picked up by Agco which makes them a different company not the TRUE Diamond T line. Believe me back in the 90s I talked to the president of the new Diamond T company so I know what was what with that company and how all of ti came about. I called them trying to find parts and info on the Diamond T and what had happened to them and why etc

Anonymous-0 · Jul 28, 2010

your full of $hit. you need to do some homework

old · Jul 28, 2010

Sorry your wrong on this. What your saying is sort of like saying agco is the same company as Allis/Oliver?white?MF etc Acgo now owns all those companys but is in fact not any of them but a different company completely. I did my home qwork years ago when I needed parts for my Diamond T and talked to a good many people both from the old Diamond T company and from the new Diamond line company who now owns Diamond T and Reo. Also back in the late 50 or early 60s Diamond T bought out Reo and then Diamond T started making the Diamond Roe and the Ts

trucker 40 · Jul 28, 2010

Diamond Vehicle solutions,T Line trucks,They have 3 models.One long nose and two medium nose.Cummins and Cat engines,Allison automatic and Eaton transmissions.Cabs are from International.They offer parts for Diamond T and Reo back to 1949.Interesting!These 3 styles were designed back in the 1990s and they are made in Pennsylvania.

RodinNS · Jul 29, 2010

Is there a tag on the timing cover near the fuel pump?
I'd guess that it's probably an N/855 of some sort but honestly don't know for sure.
Tag/CPL number would be helpfull.

Rod

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