1977 International 674 Diesel. This tractor is actually the industrial model IH 2400A but it is exactly like the 454, 574, 474, and 475 plus some of the case models. Got a real problem with the PTO on my tractor. We carry new, rebuilt and used International 674 tractor parts. International 674 tractor parts Tractor parts for IH 674 tractors at All States Ag Parts. Runs very well. If the part you need is not listed online, please call toll-free 877-530-4430. Any ideas on how to fix it or troubleshoot it. Have IH 674 tractor, need info on PTO, not working under load, suggestions please. 4000 engine hours; no major overhauls. ... PTO and … Notice: Every attempt is made to ensure the data listed is accurate. Re: IH 574 pto problems Originally Posted by DLTTrekkers The lever is connected to a rod going from the right to the left under the seat working a fork to press down on the PTO spool ©2000-2016 - TractorData™. In this section you will find aftermarket International 674 spares & accessories of our full International parts catalogue. It can be charging fine, but the Hz signal not be correct. But finally the PTO will not engage I am assuming it is hydraulic driven as well. Our inventory of International 674 tractor parts is always changing. houndhunter450 New Member. The PTO When recalibrated, has to be about the 1000 rpm range when calibrated ,otherwise it will kick out if the PTO … 2250 quick-attach loader w/ bucket included in sale. The PTO controller gets a HZ signal from the alternator. Manufactured by: INTERNATIONAL. Production of the International Harvester 674 Tractor started in 1973 and continued until 1977. INTERNATIONAL 674 Horsepower Re: international 674 brakes agian :( We had lots of trouble with the Equalising Valve drawing in air via the shaft/piston behind the heavy washer. worn/loose belts can also give problems. What we did in the end was to remove the two T pieces on the top of the valve and block off the two outlets on each with a blob of brass (brazing) Page 1 of 3 1 2 3 Next > Aug 31, 2012 #1 . 2. Aug 31, 2012 ... you will locate it in the bottom of the pto/range compartment, in front of and below the IPTO clutch pack. after an oil and filter change this corrects the problem for a little while. Quality replacement parts for your Case International Harvester 674. Single rear hydraulic, PTO (540), 3-pt, Power-steering, Gear transmission 4 H/L. Case International Harvester 674 parts UK & Eire. However, differences between sources, incomplete listings, errors, and … Sold initially at a price of $11,300 (1978), the International Harvester 674 Tractor had a few price variations, so if you got it for less, you found a great deal! Price at production date: $11,255.00. INTERNATIONAL 674 Production Details. The International 674 was a utility tractor produced from 1973-1977 in … We have been having problems with sludge in the hydraulics for years. Years Made: 1973-1978. Save money with rebuilt and used IH 674 parts! IH 674 PTO [ Save This Page] ... Our 674 diesel PTO has quit engaging. Tractor was mainly used for augers and light loader work. international 574 hyd problems Discussion in 'Case / Farmall - International Harvester' started by houndhunter450, Aug 31, 2012. One-owner, Appx. I have a case ih 4230 that I just put new clutch in but it didn't help my problem. Posted: Wed Jun 05, 2019 5:37 am Post subject: IH 574 PTO Problems: Hello everyone. Of the International Harvester 674 finally the PTO on my tractor mainly used for augers and light loader work on! N'T help my problem the alternator oil and filter change this corrects the problem for a while! The International Harvester 674 tractor parts listed is accurate it can be charging fine but... 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