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Hehehe ^^^ Iirc the fittings on my adjuster valve were referred to as 'orb', but also as 'npt'! Iirc it was npt I used in the end- haven't needed any o ring face seal / orb fittings yet. Nice buy DOH, and HCS with the EM 15- Yes Leking has claimed them in the past - you could search thread...

That's not any picture of mine. No I def don't have any poteniometer on the machine. Highest tech thing is a solenoid lockout for pilot control down on the main valve body

BMR-315 is what they used in these. I can tell you everything definitely cost more than double their quoted price by the time all said/done for this import. What a freaking fiasco. Somehow the stupid importer got away with 'DDP' and I was still left with another 10% charge for last transit. Even...

I took my house motor off months ago and video'd that the slop was internal (posted here and also found on my chan). Zero perceptible play in ring/gear mesh or gear/keyway/shaft. All internal to motor. Slop in motor (and boom/dipper) have grown after >35 gal gas hard use. So now having a new...

All good points I don't think anything had been said to be taken personally It isn't apparent to me OP is even feeling targeted much less needing defending - just some debate. Actually more like a standard discussion/ argument of facts rather than even debate Let's just not be overdramatic...

That's the goal to expound thought (and communication) potential with deeper understanding and use of language. Agree. Also agree with industry accepted use of the terms. Servo to describe hydraulic pilot is a fun stretch/reach imo, based on any definitions I've read, but also agree use in that...

Pretty interesting I've always associated servo / servomechanism as having to contain electrical mechanical elements of separation / control (from user and/or from the rest of 'circuit') Personally for myself it was slightly confusing to refer to simple hydraulic pilot controls as 'servos' but...

Whoa hey no offense haha Searching this thread for 'frame bent' only returns a few results with mine towards the earliest. post 1094. pics reveal same frame type/geometry and bend type. details of post reveal the fix. As Dave mentioned yep reinforcement is prob almost a requirement after. FB...

. . . . Yep. And if you look closely at my pics and fix (that initiated the discussion) you'd already have your answer (to share with your facebook friend.) That's the exact same geometry/frame as mine and a 4t chain binder pulled mine right back in. (both at once in my case.) ALSO just my 2...

Very cool I wouldn't have had the exp to begin to try. It does look like it works great, but did it slow the rpm at all (of house)? From the vid I'm guessing it's about 5 or 6 rpm now and I was thinking 8 or 9 might be stock? This swing motor came tight, but sure aint after about 27gal gas...

My exp is DIN 2353 type for em 15 Size is often 14mm (16mm for aux) more info in my post just after yours 1148 Pit, in case you are wanting a hydro thum lmk. I got one in specifically for em 15 - they are different from the others for mounting. I already bought one on ebay earlier for like 400...

Yessir, baltimore cfs. Waiting on a reply now- I paid full payment to the company for DDP with option to ship from warehouse but still had to pay 350 additional to that final warehouse/cfs. A tip to anyone- use a US based importer! Just thankful that was the worst thing but pisses ya off no...

Congrats on the Digger I'm loving mine. And so happy I lucked into it @ auction VS import. Just received first import of parts etc and WOW what a pain even DDP. . . BTW- anyone close to PA / east coast can PM me about local attachments. I just got a few extra specifically from/for em15 like...

Connecting the frame tails / motors with steel member seems like an ok balance of strength/ease/aesthetics/function. I opted not to do that yet. Aesthetics jodieadiar: thanks for the pic of yours - that setup is substantially more stout with the 3 dimensional shape, I wouldn't expect any...

That's funny we both used dollar store cake pans and went with about 350# lol. Little jealous tho cuz I'm assuming they virtually were giving the weights away - mixed scrap would have brought what, less than 10cents at the scrap yard? I spent about 2 bills !!!! Upon melting, no real reason to...

I guess they act like a check valve when there isn't enough driven hydro pressure to open them. Gravity alone can't open them. Almost a necessity sometimes. The sinkers and thin stuff are super easy to get melted compared to a 50lb ingot but it all melts long before steel/tin in open air. The...

Crap- just typed a long one with pics. Promptly deleted it by accident lol. Will post later! I did post some links prior- my utube has some short vids recapping stuff like the lead weight but I'll also redo this post with some added context and pics.

For sure I'd put your counterweight right back there. I found lead the best @ 70ct/lb VS scrap iron at 35ct/lb which is much harder to work with and obv less dense. I didn't have much room but easily fit ~ 350lb back there on mine. I actually have both tracks off mine right now, Spring...

Nice Fredrik, the 12" trackwidth should be a nice upgrade, and larger pins- Is the width and length of tracks/base also longer/wider? I think 1250W/1500L is pretty good with ~2t machines. Is the reach imporved also? Think I've seen about 166 to 190 cm down fairly standard up to 2t. I personally...

Yah, FB, there are several. thousands of posts discussing agt differences and fans and auction prices etc etc etc

You were bang-on with the original estimate for mine. I haven't weighed, but manufacturer listed weights agree. Even though manu calls mine a more appropriate '1.3' it comes standard at 1ton. (2200). I'll tell ya though, the 350# of lead weight was a good improvement. I'd hazard a guess the...

I've removed the pilot blocks from mine- they just house the fitting for pilot hose, a small valve-ish washer thing and a spring that contacts down in place of the mechanical linkage. I haven't removed a mechanical linkage to confirm both sections use exact same internals (spools) but am...

Here's the stack type leking uses for kv13. With pilot assembly/block screwed on top/ bottom. Fob $60/section. Vibratory attachment is sounding pretty good after the 23tons of 2a modified gravel I just spread lol, but it packs in just driving on it. I'd need one so rarely, would consider...

I checked and edited above. They had quoted me +2600 briggs to d722, but the d722 model also has tracks and superstructure that are larger/heavier iirc

Hey Fredrik, couldn't figure how to attach pdfs so just posting here. Leking pricing fob unless noted: kv13p. briggs, pilot, 1100kg. 4200$. (~6600 ddp) kv18. add d722, 1200kg. 40lpm flow. 6800$ kv18p. 1500kg. Slightly larger tracks/base 7500$ kv18p. add 2 speed, d902, 8140$ Kv20. add yanmar...

Yes remove pull start, leaving duct/cover intact. But why not (with cooler fan blowing correct direction) just add ducting as everything sets? Fresh cool air for cooler and on to motor. Perhaps then another fan to help vent the house on other side. If moving anything at all (to give each...

Yes 2250psi stock. Got job done fine but the added pressure at 2500 should help break hard ground and more power to travel/turn. Agree, structural issues before hydro issues is likely. Higher overall wear on pump, motor, cylinders would be a given though. They have to work harder even when...

Typhon would be the first dealer in US I'd buy from. Like their machines and got dude on the phone like right away when I had ? as well. For some it's worth even paying GH or KR markups for their dealer service. Anway, thanks for all the input from this thread so far- all the fittings arrived...

Yep they are. 722, 902, and 25hp yanmar all common enough among the sellers. As well as 2 speed travel. 902 should be a good match for 2T. Iirc, you do need the upgraded hydro system for the 2 speed though, not just 2spd capable motors. Ya gotta keep in mind any US 'dealer' is gonna have as...

Awesome. 25% cost of goods should be duty, plus like 50 and change random fee. The code doesn't matter as much (for cost) as origin/ship from china (for US anyway) I reasoned with shipper I wanted to pay just one party, so from ddu they quoted ddp and charged addtional 80. Well worth . . . . IF...

Are you aware of 'chinese mini excavators' FB group(s)? There is alot of info on there about the L12 issue and fix. There are some US posters that may have or can get the part also. Danni Zou or George Zou I think, check it out. The adapter thingy below

Yeah man, (at least with pilot controls I've seen up to 2ton) it's same as with non-pilot controls, you can just switch the hoses around that go from valve stack to the cylinders. The control side of valve stack (whether mechanical or pilot actuated) remains in place. The pilot controls are...

one of the utubers was playing with a 360 spin bucket - those are pretty interesting for backwards scoop and grading imo. Unless having a 2nd aux plumbed (to use along with vibrator, hammer, mower etc) I wouldn't get much use with the tilt hitch. Would just get the cheaper tilt bucket setup or...

Yes sir!

Yes you're right. I'm only familiar with 'mineral oil' by name in brake applications. I then conflated dot fluid into my assumption about miner oil VS. So oil is oil. I think the 32 and 46 numbers specify some added cleaning agents. _____________________ I FINALLY (after days taking pictures...

No I think our typical hydro oils are fine. I used 46. They'd have no reason to redesign the entire systems to use mineral oil. Some high end racing brakes yes. Inexpensive chinese excavators no. ________________ dfkrug said "and I could not feel that the pump (duel chamber with load-sensing)...

I have minimal experience to compare but think the pilot models (all?) come with the double acting load sensing pumps. I think they work together allowing for somewhat finer control (while faster/more flow ~ 9gpm vs 5gpm iirc?), and also the ability of >2 functions simultaneously. I've not run a...

The georgia diggums went 6 and 64. With fees that's right around import price delivered. Hope ya got one bro! The agt's all going around 4k imo is high when you can buy from dealer sales delivered for similar $. There are four more soon auctioned in WI or MI and some on west coast. There aren't...

Decent 2tons are 2x - 4x the price of a 1ton. I don't think > 3000lbs will be nice with briggs so you are 3x to 4k for 2ton . . . Best 2t price I've seen about 14k total DDP. With some options and attachments you're going toward 20k. Your budget and models listed = one ton. Personally imo...

The first Tak was 1500 hr and relatively clean. 11k. 2nd one was less perceived value. Tb216 (4k lb) 1500hr heck yeah. I didn't check it was plumbed for aux, but those machines come stock with about the best hydro capacity of anything. And watch for the high flow. A tb260 is 3 times bigger...

Pm'd 2 to 4t unit namebrand used at auction would be my consideration. You start getting 15 - +20k for chinese and there's STILL no real documentation or parts info. And still kinda subpar controls etc etc. They say rexroth piston pump but only stat given is flow. Couldn't find a rexroth with...

I will have a few sets of 3 or 4 attachments to sell. Not sure about ship though and that's months away. Be on the lookout at auction - local to me yesterday they auctioned 5 total sets of the basics (separately). Ripper and basic stuff as low as 100 at first. Then the bidding wars started...

Air was >1000$ for <300lbs cost goods 600$. (~1600$ for 3 attachments - cheaper local!) Instead getting an assortment ~1400lbs cost goods 1900$. Their crate and port fees plus ship warehouse duty and end shipping is about 1700$. (3600$ ddp total for 17 attachments and another 400$ of misc...

Yes I think a tee will be only way to check pump RV setting. Mine is noticeable when it kicks over- function noticeably slows and will labor engine if rpm is low. Can't wait to investigate. Main RV 2100psi stock, up to 2500 nice. Some components only rated for 3000psi so I guess best to have...

I been talking to them for parts and attachments since they make my machine. Prices are actually best I've found for the simple attachments- just messaged for the log grapple. I was considering their tilt bucket or 360 rotate base plate and I wanna say those were about 300 fob. She messaged...

https://leking.net/Excavator-Accessories_3/ I thought I remember someone talking about a grapple mod on here. Leking has good prices and some interesting attachments.

These double pumps are some of the highest switchover pressures I've seen compared to typical (higher and lower flow) double pumps on amazon. I can only imagine it's on purpose? Wondering if you tested up and down / results? Where did you end up setting it?

DIN 2353 mostly on mine so far. Has the o-ring and steeper interior chamfer. (compared to din 7631) 2353 m16-1.5 dia/thread (L10) at boom - converting to m14 (L08) for attachments. Will also have to get adapters to sae for future mods and something to attach pressure gauge...

Here's goog translate: CBL-ES06/FS03 two-stage pump technical parameters 1. Displacement: front pump 6ml/r, rear pump displacement 3.2ml/r. 2. The opening pressure of the relief valve is 13MPa. When the system pressure is lower than 13MPa, the front pump and the rear pump supply oil at the same...

Agree ^^ Maybe baffle in tank or something? Plumb in and tee a 2nd outlet? Same thing might help the supposed problem with the Agro L12 hydro tank. dfkrug I finally got 'something' from them about diggit/leking 'YLYX' pump. 9.2ml total displacement (6+3.2) Considering turning up the cutoff...

Thinking of doing this for Boom and bucket to test the theory. Boom shouldn't feel the touchiest when it's the largest cylinder

^^ I wonder how applicable cavitation is for these comparable tiny gear pumps? Makes sense imo to have something to trap anything foreign right where it's introduced. Even just a screen in fill hole. Brandonb, which are you considering, agt? Here's pics of my stock one from diggit (nuoman...

It's kinda been rough communicating with them. Sometimes I swear to god it's like they are trying to waste time. And don't you dare ask more than one question at once!!!! I will see about a smaller dispacement pump eventually. Right now just trying to get everything required to bring one (or...

Thanks dfkrug, I'm not 100% on the flow direction but yes that is the routing. I will share more when I find out. (or have more questions!) In process now of ordering a six hose 2 spool control used for thumb and blade function. Along with attachments and maybe a spare pump and swing mot...

Since one can buy a single spool control that has 3 hoses (two for control and one for return, yes?), I assumed these two spool controls were simply scaled up with two control and return for each spool. Except I didn't expect to see one of the 'returns' from each joystick go thru filter and back...

Yes sir it really seems like play between the gears inside the motor. I pulled bottom off confirming shaft goes thru the large bearing (which has no slop) further inside. All back together - I didn't want to risk having the digger go down yet. I can't hack/fake machining work that well . . If...

Thanks for the replies and info dfkrug. So the whole system is consider open center because it doesn't dead end anywhere and makes a full circle. When you say servo though- these are not electric in any way? Considered pilot valves I guess since they are secondary to the primary spools? Yes, 12...

Dkfrug, I'm beginning to think when you mention 'open center pilot' that just pilots are open centr (4 total) defined by each needing it's own return? I guess the other 4 spool functions (mechanically operated spools) on main stack return their pressures back one of their two hoses into main...

Thanks, I'm going to weigh it the first chance I get, really curious. Plenty of room for more weight down low on back and sides too if wanted like several cubic feet I'd say. The low power is probably just my expectations too high, haven't tried high grades yet for reference but sometimes when...

When I referenced 'hydro tensioner' I was referring to standard excavator grease style. To me hydro just means 'fluid filled' whether that's grease oil or water. Interested some of the high end types.

Wow, that's an upgrade to have hydraulic track tension. Haven't check but this diggit looks to just have mechanical like most others. Rippa is the only other I've seen in this size to have hydro. (Their ndi322 also has the blade function lever to right of right joystick just like kubota etc...

My mistake- alibaba for bulk and big stuff. Aliexpress much easier to use but they also only sell smaller stuff (afaik) with shipping/import included. My guess would be <300kg which I think is DHL limit. FOB and freight not common on aliexp. The mini ex FB groups are definitely interesting. A...

All pins on my machine have the same hex head pin with zirc and threads/nut on other side. Buy one or a couple from alibaba? Airmail shouldnt take long. Otherwise a cheap die grinder with decent rotary burr could hog out enough - would be a pain though...

There is one I found from ebay with average of 100% markup (over LTL door to door shipping and duty total) for the 8 attachments I was considering. Found his location and called. Perhaps work a deal, kinda doubt it. Located midwest. Currently trying to change direction with the one...

I just heard Sunward manufactures agro. They have a fine machine swe26uf rivaling the big boys imo. Doubt they do the others. I just grabbed a Diggit em15 today at local auction - trying to find information about them, and AGT has almost all searches routing to results for the cheaper Agt's...

Correct. Maybe gray market but that's besides the point, theyve achieved a full presence (and price) Photoshop is also RAMPANT on these sellers' pages even copying from one to another. And if you find their youtube channel it's all weird little clips. With no detail or detail is in chinese...

Thanks man, lots of information to learn for sure. Have some of the main (or best) manufacturers been narrowed down? I just keep seeing the same repeated designs from 'manufacturer' to manufacturer - the only way I've been able to narrow it down is to find the company's actual corresponding...

They seem acceptable for the price I guess. Just friday here in PA I saw some go for about 4400 to 4600, plus fees, plus transport. They are also the older style tho with more mods needed including just to ventilate. Newest style I can find has a flip up back lid, better airflow and I even found...

https://agrotkindustrial.com/collections/mini-excavator/products/agt-1-ton-mini-small-excavator-koop-engine-gasline-for-sale-agt-l12 Agro L12 Manual with 'parts breakdown' Link is pdf at bottom _____________________ and here are the latest nuoman ne15 stats I think

Post 527. I didn't notice purchase place or price? I like the open floor on these, and the piloted controls. Nuoman (possible manufacturer) makes a very similar version NE15 that is 43" wide 1.5t zero tail and pilot controls. I'm seeing about 4k fob to their port for it. Btw, I just found an...

Hey great thread! I'm wondering what the consensus is about the original (and still very common) direct style controls VS newer style pumps with split/piloted boom controls? It seems like the house designs with the joysticks beside seat are mostly going to be this newer design, and also give...