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Read articles →A real, hands-on 50-hour break-in service performed on an actual RK74, covering front axle gear oil (80W-90, 4.3 gal), transmission/hydraulic fluid (18 gal), engine oil, two hydraulic filters, radiator cleaning, and greasing all loader and three-point fittings. The presenter works through each step in real time, including honest mistakes and awkward access points. Most useful for RK74 owners facing their first break-in service who want to know exactly what's involved.
Posted by the Doug Perkins channel, which appears to be an owner documenting maintenance on their own tractor with a helper present.
The front axle takes 80W-90 gear oil, about 4.3 gallons total, filled through the dipstick hole.
There are 11 grease fittings on each side of the loader, 22 total, plus two more on the three-point hitch and one on the clutch linkage.
The gears and castings produce metal shavings as they mesh together during break-in, so fluids are changed to remove shavings and refill with fresh oil.
It takes about 18 gallons of transmission hydraulic fluid, filled until the sight glass shows fluid between the two red lines.
