Posted by The tractor vet on December 05, 2020 at 07:17:19 from (104.179.81.68):
In Reply to: v8 farm tractors? posted by swindave on December 05, 2020 at 05:21:12:
My take on this is why feed 8 when 6 will do . Plus the fact that V 8's do not have the lets get down and pull . They run fine as long as you can keep them buzzen but they fall on there faces fast and do not lug or as the say torque rise . Mack was the only one that had a V 8 that would get with the program but she did not last vary long . Cat, Detroit , Cummins, Perkins, and Mack and I H and a couple others tried to play in the V 8 game . I have run 8-71 detroits driven a few 8-92 Detroits ran a few V 8 cat's and Cummins and one V8 Mack . They all sounded neat and basically all the did was convert diesel fuel into noise . 903 Cummins no two ran the same and were a bear to tune , first one were non turbo and were dogs then they added a turbo and they were still dogs . Let's take a 1466 with the inline over the 1468 V 8 and the inline will out pull the V 8 and use less fuel doing it . Take and inline 6 Cummins ovver the V 8 set at 350 Hp and take a NTC 350 and the inline will walk all over the V 8 . Case in point here two new I H 4200 semi tractors one with a inline 350 and one with the V 8 350 , both RTO 913 , both with 4.33 rears same tires , same trailers same loads give or take a ton or so making the pull up the same big hill and the inline will walk away from the V 8 and at the end of the day at the feeding trough the inline will use around 20 gallon less fuel . Now back in the day when we were buying fuel for 18-21 cents a gallon it still added up and when buying that new truck the v-8 was 1500 more . When over haul time came you had to dig deeper for the V 8 then the inlinelike twice as much . Detroit V 8's did not hold up well and we were Happy if one lasted more then a year . But with them you could rebuild one side in a evening and be back in bed before 11 and go run the next morning come home before five in the afternoon and rebuild the other side and be in bed by 11 so you could hit it again in the morning at 3Am.
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