Cummins V903

hoosierfarmer · 01-20-2012, 07:31 PM

Anoyone own a 935? Just wondering what the success/complaints were of the engine setup? Anyone high hours on a non rebuild? Were these engines notorious for problems like I seem to be hearing?

buffalohunter · 01-20-2012, 07:54 PM

I had one turned up to 350hp in a Ford fw60. Bought it with 2200 hrs. sold it at 6000. never touched the engine other than cummins tuneups,good on fuel .4 gallons/acre pulling 45' flex 5000 with shovels. would have been perfect with powershift trans. not alot off torque compared to 855. the guy i sold it to put bearings in it but said the old ones weren't that bad. it even sounded mean.

madsnake · 01-20-2012, 08:16 PM

Had a 4840 MF with a 903 bought it at 7500hrs traded it at 10000hrs, uncle bought it then and used it for 3 or 4 years before stoping farming so up around 12000hrs. Never let use down did get a tune up and injectors while we had it.

Madsnake

80jd8820 · 01-20-2012, 10:05 PM

Is it a horse power issue or a reliability issue have a friend that can get 2800 hp out of them and they last at that hp just depends on how much you want to spend !

Bruce Avison · 01-20-2012, 11:18 PM

Is that the only difference between a 935 and a 835, having the 903 vs. the 855? I don't think I really ever noticed that before...

Bruce

quappelle · 01-21-2012, 12:33 AM

Not sure, but I think the 895, the 935 and the 950 had heavier axles. The 895 had a 15.5" clutch and the rest had a 14" clutch.

tomthepom · 01-21-2012, 07:28 AM

Quote:

Originally Posted by 80jd8820

Is it a horse power issue or a reliability issue have a friend that can get 2800 hp out of them and they last at that hp just depends on how much you want to spend !

2800hp? will that last much longer than an hour straining that much?

80jd8820 · 01-21-2012, 06:40 PM

The same guy built a K 19 up to 4000 for a pulling truck lasted all season just had to add fuel alcohol and change the oil. He has one in a over the road truck at 1500 hp running all day long .

jd95guy · 01-22-2012, 06:59 PM

Quote:

Originally Posted by hoosierfarmer

Anoyone own a 935? Just wondering what the success/complaints were of the engine setup? Anyone high hours on a non rebuild? Were these engines notorious for problems like I seem to be hearing?

We had a 950. Probably the best tractor we ever owned. Would pull like a locomotive. Way more torque then the 976 that replaced.

hoosierfarmer · 01-24-2012, 08:00 PM

976 had the 855 right? Must have just been turned up to have more HP? Or I guess they started using electroic injection in the designation 6? In the 5 series the hp was 230-310 out of the 855? Then in the desigation 6 they were getting 350 or so out or the 855 and using the L10 for the under 300hp tractors?

01-20-2012, 07:31 PM	#1 (permalink)
hoosierfarmer Member Join Date: May 2011 Posts: 30	Cummins V903 Anoyone own a 935? Just wondering what the success/complaints were of the engine setup? Anyone high hours on a non rebuild? Were these engines notorious for problems like I seem to be hearing?

01-20-2012, 11:18 PM	#5 (permalink)
Bruce Avison Senior Member Join Date: Apr 2010 Posts: 1,893	Is that the only difference between a 935 and a 835, having the 903 vs. the 855? I don't think I really ever noticed that before... Bruce __________________ And on the 8th day, God looked down on his planned paradise, and said "I need a caretaker." So God made a farmer.

01-20-2012, 07:54 PM	#2 (permalink)
buffalohunter Member Join Date: Jan 2006 Posts: 47	I had one turned up to 350hp in a Ford fw60. Bought it with 2200 hrs. sold it at 6000. never touched the engine other than cummins tuneups,good on fuel .4 gallons/acre pulling 45' flex 5000 with shovels. would have been perfect with powershift trans. not alot off torque compared to 855. the guy i sold it to put bearings in it but said the old ones weren't that bad. it even sounded mean.

01-20-2012, 08:16 PM	#3 (permalink)
madsnake Senior Member Join Date: Dec 2009 Location: North West Victoria Posts: 1,146	Had a 4840 MF with a 903 bought it at 7500hrs traded it at 10000hrs, uncle bought it then and used it for 3 or 4 years before stoping farming so up around 12000hrs. Never let use down did get a tune up and injectors while we had it. Madsnake

01-20-2012, 10:05 PM	#4 (permalink)
80jd8820 Member Join Date: Nov 2010 Location: Sothern Tier New York Posts: 82	Is it a horse power issue or a reliability issue have a friend that can get 2800 hp out of them and they last at that hp just depends on how much you want to spend !

01-21-2012, 12:33 AM	#6 (permalink)
quappelle Senior Member Join Date: Feb 2010 Location: Saskatchewan Posts: 260	Not sure, but I think the 895, the 935 and the 950 had heavier axles. The 895 had a 15.5" clutch and the rest had a 14" clutch.

01-21-2012, 06:40 PM	#8 (permalink)
80jd8820 Member Join Date: Nov 2010 Location: Sothern Tier New York Posts: 82	The same guy built a K 19 up to 4000 for a pulling truck lasted all season just had to add fuel alcohol and change the oil. He has one in a over the road truck at 1500 hp running all day long .

01-24-2012, 08:00 PM	#10 (permalink)
hoosierfarmer Member Join Date: May 2011 Posts: 30	976 had the 855 right? Must have just been turned up to have more HP? Or I guess they started using electroic injection in the designation 6? In the 5 series the hp was 230-310 out of the 855? Then in the desigation 6 they were getting 350 or so out or the 855 and using the L10 for the under 300hp tractors?

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