Fill out a Product Request Form. Save money with rebuilt and used IH 674 parts! We have a 574 which is the 674's little brother. I have a 674 International that I'm having problems with. Production of the International Harvester 674 Tractor started in 1973 and continued until 1977. If the part you need is not listed online, please call toll-free 877-530-4430. I was leaking hydraulic fluid so I checked the dipstick by my left foot and it was clear fluid and difficult to read but it appeared low. That series is relatively modern all oil is hydraulic oil except the engine and that is 30 WT. Our inventory of International 674 tractor parts is always changing. It's been a feedlot and acreage tractor all its life. Changing your tractorâs hydraulic fluid is very similar to changing engine oil: remove the plug, drain it out, clean the screens and replace the filter, put the plug back in, fill it back up. Dim/Info: 19 For Models: 1206, 1256, 706, 806, 756 FARMALL SN <17635, INTERNATIONAL SN <8424, 856 FARMALL SN <27286, INTERNATIONAL SN <9492 Filter, Hydraulic â¦ The 674 was built from about 1973 till 1977, not 1983 as the ad states. Its always been a reliable tractor for us, and ours has over 10,000 hours on it currently. IH-O-674 IInntteerrnnaattiioonnaall HHaarrvveesstteerr Operatorâs Manual 674 THIS IS A MANUAL PRODUCED BYJENSALES INC.WITHOUT THE AUTHORIZATION OF INTERNATIONAL HARVESTER OR ITâS SUCCESSORS.INTERNATIONAL HARVESTER AND ITâS SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL. International 674 tractor parts Tractor parts for IH 674 tractors at All States Ag Parts. International 674 Oil Filter found in: Spin-On Oil Filter, Crankcase Gasket Set, Gas, Oil Bath Air Cleaner Filter Element, â¦895, 946, 955, 956, 995 (diesel) ], [ 454, 464, 544, 574 (gas, and LP â¦ Price at production date: $11,255.00. Posted: Thu Aug 28, 2008 8:27 am Post subject: Snarky answer to where hydraulic fluid goes: I don't know about the 674 specifically but my experience with old tractors in general is that it goes all over the underside of the tractor and on the ground. Years Made: 1973-1978. I jacked it up and cycled the steering for 20 minutes left to right and that didn't help. While the position of the plugs and filters may differ from tractor to tractor, the basic process is the same. When I changed the hydraulic fluid and filter, the power steering quit working. We carry new, rebuilt and used International 674 tractor parts. Name: Phone Number: Email: Tractor Make and Model: Description of your pump (include any numbers and markings): Manufactured by: INTERNATIONAL. First, I'd question the ad. US for 2 ga for topping off. INTERNATIONAL 674 Production Details. ... Power Steering/ Hydraulic Filters. I still use the 2 gal cans as the 5 gal cans are too heavy to heft up to the fill â¦ * All Fields Required. INTERNATIONAL 674 Horsepower For Models: 5088, 5288, 5488 A-382332R1 Hydraulic , Gear Pump Drive 0.87 Lbs. A complete change requires at least 10 Gal US. Hi I'm Wayne I will help you with this Good Afternoon, Case ih hytran fluid is used for hydraulics and transmission fill through plate on top of deck next to shifter check plug is located on left side of transmission housing next to clutch linkage rod probably square headed pipe plug PLEASE USE REPLY BUTTON FOR INFO,NOT POOR/BAD SERVICE,PLEASE We have the gas engine rather than diesel, so â¦ Jon Anderson: I have a '76 IH 674 (Gas) with 2100 hours on it with an IH 1850 loader. The the 3 point lift works, the front end loader hydraulics work, but no power steering. Can anybody help please? A-142867C92 Pump, Hydraulic Piston 31.00 Lbs. I use universal tractor hydraulic fluid I buy from WalMart for $24. 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! Main Hitch Hydraulic Pump - New ... International Harvester 674. International Harvester 684. International Harvester 686.