The International 674 was a utility tractor produced from 1973-1977 in Doncaster. Quality replacement parts for your Case International Harvester 674. International 674. International 674 hydraulics and brakes ... Rocker cover had been lifted to repair forward and reverse selector shaft. after an oil and filter change this corrects the problem for a little while. How to changed hydraulic pump on 674 international tractor, diesel. $135.00. When I changed the hydraulic fluid and filter, the power steering quit working. The Heavy Equipment Mechanic I'm going to connect you with knows all the tricks and shortcuts. Can anybody help please? Posted: Wed Dec 01, 2010 9:23 am Post subject: Re: IH 674 Hydraulic schematic/diagram: My brother and I have been working on my dads tractor. It works a bit on flat ground but you can sense that it ... Am having a problem with the hydraulic system. I have changed pump with gaskets and filters but still after about 10 min or so use, the hydraulics seem to fill with air. We have been having problems with sludge in the hydraulics for years. In … IH 574 hydraulic problem I have an international 574 with hydraulic problems. Re: Ih 674 hydraulic operation Snowfish, from your description of the female hydraulic coupling collar being clamped, my guess is that it has been set up as an automatic breakaway coupling. I have an International tractor 3434. : : Our 674 diesel PTO has quit engaging. Any ideas on how to fix it or troubleshoot it. We took the MCV off and found that the pump housing had busted the key was also sheared on the drive gear. Production: Manufacturer: International Harvester: Factory: Doncaster, England: Original price (USD): $11,300 (1978) International Harvester 674 Engines: Case International Harvester 674 parts UK & Eire. Out of Stock. I jacked it up and cycled the steering for 20 minutes left to right and that didn't help. the 3-point arms wont lift, the stearing gets tough, and I just dont seem to have any pressure. International 454 464 574 674 Hydraulic Unloading and Flow Valve. international 574 hyd problems Discussion in 'Case ... Hello, finally I have an answer cyrush to my hydraulic problem. I have a 674 International that I'm having problems with. I have a Case Int 674 Tractor. ... thank you for your information got the problem solved.Happy international driver Quick Navigation Parts/Repairs Top. International 454 Transmission Dipstick. All the hydraulics work except the steering. When completed all other hydraulic functions as normal except brakes. The the 3 point lift works, the front end loader hydraulics work, but no power steering. $40.00. Good Used. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. $45.00. Related Items. The hydraulic steering keep locking when on a slight slope especially when the tractor tilts to the left. In this section you will find aftermarket International 674 spares & accessories of our full International parts catalogue. CALL FOR AVALABILTY. International Hydraulic Filter Screen. But finally the PTO will not engage I am assuming it is hydraulic driven as well. Site Areas; Settings; International 454 Hydraulic Lever Cover. This item fits Case IH 674 (Utility Series) Heavy Duty Kit Contains: 1 x S.14036 & 1 x S.14247 Bearing, 1 x S.14037 Ring, 1 x S.1501 Cotter Pin, 1 x S.57729 Lip Ring & S.17468 Seal For Normal Duty option, please see S.14040. The hydraulics stopped working on it. 3-Point arms wont lift, the power steering but no power steering, the steering! And found that the pump housing had busted the key was also sheared on drive. 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