krustyballer16 Posted February 28, 2020 Share Posted February 28, 2020 Has anybody used Harvest King brand fluids from Rural King? I've been getting my 01 XJ ready for naxja winterfest next weekend and decided to try RK's stuff out. This "experiment" started when I had to swap AW4s out after I lost reverse in mine from last year's winterfest. (Only took me about 46 weeks to get around to swapping it out). Before I swapped trannys I did a fluid flush to see of that was the issue and used Rural King brand cheap stuff. That didnt fix the issue so... But when I did the swap I had fluid left over so I went and bought more and filled it up. No issues so far with 200 miles on it. Next, I wanted to weld the rear end... So I figured, why not use RK gear oil too since it's cheap. It needed it bad! Ew! So got some new fluid and filled her up. Looked and smelled like any other gear oil I've used... Then, I had to change valve cover gasket and filter and oil. So again, I thought, why not try RK's brand...so i did a $14.47 oil change.... I know the motor oil is made by Citgo so figured it can't be the worst stuff out there... I also think I have Harvest King coolant in it too from a long time ago. This 4.0 has not been treated nicely in the 75,000 miles I've had it. I got it so hot once from a busted radiator that I warped the head, big time! Machined it down and slapped it back on. Then a few years later the jeep went swimming in the frozen river bottoms... jeep floated... got it outta the water, fired up on it's own and drove it home 35 miles. 248k on it. It was way overdue for an oil change this time and about a quart and a half low. I'm just curious if anybody else has used Rural King's Harvest King brand fluida and what your thoughts were on any of it. Sent from my SM-G973U using Tapatalk Link to comment Share on other sites More sharing options...
derf Posted February 28, 2020 Share Posted February 28, 2020 On other forums, I've seen oil threads blow up worse than any political thread. It's always entertaining to watch. I think people here are much more level headed though so I don't suppose that will happen here. I haven't used that brand before. Haven't even heard of it. I suspect it's just putting a specific label on bulk products they source from somewhere else. I bet that if you change fluids and filters on schedule and get rid of the milk shake in the differential, you should have decent luck just like any other moderately priced store brand. Link to comment Share on other sites More sharing options...
75sv1 Posted February 28, 2020 Share Posted February 28, 2020 I have used it in a '98 Neon. It used oil, so whatever was cheapest. Sometime I could get NAPA at $2 a bottle and once in a while Peak. I can't comment if HK is good or not. Rual King does have good prices on oil though. Link to comment Share on other sites More sharing options...
Dzimm Posted February 29, 2020 Share Posted February 29, 2020 I'm to the point that any fluid is good enough for these Jeeps as long as it's the properly rated fluid. I've used expensive stuff, I've used the cheapest stuff, they all work just fine and I personally haven't seen an issue with any of them. Never heard of Harvest King tho, where'd you get it from? Sounds like something I'd find at tractor supply. Link to comment Share on other sites More sharing options...
krustyballer16 Posted February 29, 2020 Author Share Posted February 29, 2020 Rural king, kind of like a bigger tractor supply. Sent from my SM-G973U using Tapatalk Link to comment Share on other sites More sharing options...
Pete M Posted February 29, 2020 Share Posted February 29, 2020 make sure it's the right number and send it. at your mileage, just be sure to change it on a regular basis and you're good to go. Link to comment Share on other sites More sharing options...
krustyballer16 Posted February 29, 2020 Author Share Posted February 29, 2020 make sure it's the right number and send it. at your mileage, just be sure to change it on a regular basis and you're good to go. Well now I barely drive it anymore so it won't need changed for a long while lol Sent from my SM-G973U using Tapatalk Link to comment Share on other sites More sharing options...
strictlyxjs Posted February 29, 2020 Share Posted February 29, 2020 The 4.0 thrives on abuse and neglect.. I'm at 330k on my 4.0. Dailyndriver xj and ive used "yard sale" (2 year old half of 5 quart jug for 25 cents) oil in it before. Link to comment Share on other sites More sharing options...
benjy_26 Posted March 10, 2020 Share Posted March 10, 2020 I used to use Mobil 1 15/50 VR synth oil in my ZJ with a modded 4.Slow, and it worked well, Rotella works pretty good, too as does Delo. I currently use Delo 5-40 synthetic on my 2.5 because of the cold winter mornings. The only thing to watch for if you're being really careful is zinc content. Our engines were designed in the 70's (I think) when oil had more lubricity additives. As far as RK fluids being good? I bet they're made by one of the few major oil manufacturers and given a generic additive package, which is to say, they're probably a damned sight better than most fluids that were around when our trucks were new and probably on par with most conventional oil out there now. Link to comment Share on other sites More sharing options...
ComancheKid45 Posted March 10, 2020 Share Posted March 10, 2020 I'm sold on Traveller oil found at Tractor supply. 2.5 gallons for $20, can't beat it! Link to comment Share on other sites More sharing options...
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