5ek Vs 6nz, Cat 6nz or 5ek oil cooler fit b and c models? Discussi
- 5ek Vs 6nz, Cat 6nz or 5ek oil cooler fit b and c models? Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by H2oburymatt, Feb 4, 2022. The 3406E 5EK and 6TS engines differ in block design and ECM programming. We share powerful facts about one of the most reliable and versatile engines in the industry. shifts have to be done with ease back into the Hey guys. When troubleshooting, check pump springs, fuel pressure levels, and ensure no leaks or blockages in fuel lines to maintain optimal performance. Supposed to have around 500K on a platinum rebuild. we Recording truck 3406e ford cummins t800 6nz 3406e vs cummins big cam vs cat 6nz Flash file pack for on-road Caterpillar engines What can it do? Horsepower/Torque increase files for every model on-road CAT engine. 5ek,6ts,1lw, 5ds 40 pin ecm engines. both guys came up with used cranks, a 5EK and a 2ws and had no issues with using them Jump to page : 1 Now viewing page 1 [50 messages per page] To distinguish a 2WS 3406E from a 6NZ C15 externally, examine the engine block casting numbers and valve cover design. 70 pins 2WS, 1MM, 6NZ, 7CZ and MBN. I want to completely convert away from the mbn. 5EK 6NZ core - nekfarmer : 1/25/2025 19:27 RE: 6NZ core - Angus8335 : 1/26/2025 20:47 RE: 6NZ core - nekfarmer : 1/29/2025 19:43 RE: 6NZ core - 1972RedNeck : 1/29/2025 20:28 RE: 6NZ core - nekfarmer : 1/30/2025 07:01 RE: 6NZ core - 1972RedNeck : 5/25/2025 14:57 RE: 6NZ core - nekfarmer : I believe the build order go something like this, 5EK, 6TS, 1LW, 2WS, 6NZ, and MBN for the single turbo CATs, the first four are considered E models and the 40 pins 5EK, 6TS, 1LW and 5DS. I have had both 5EK, 1LW and 2WS, All depends on fuel settings and injector codes set in ECM. xls Just picked up a 00 KW with a 6NZ (475hp), seems significantly stronger than our 96 pete with a 5EK (455hp). Remanufactured Fuel Injectors for Caterpillar® 3406E/C15 Engine Applications Interstate-McBee has added to our line of reliable and cost saving 3406E and C15 Remanufactured Fuel Injectors. Sounds like someone is short changing on warranty. . one of you try this? the engine i have it's a 475 hp and make over head tune-up this evening and if good i try this. The 5EK 550 engines used the 58 injectors from CAT, so a 5EK 550 file and 58 injectors produces What r the major differences with these ecm ? Heard they are not interchangable between the 3126, 6nz, c-7 , accert 70pin even with reprogramming 2EK 3ZJ 4CK 4MG 5KJ 7FB 8TC 3406C: 3ZJ 4CK 5KJ 8PN 3406E: 1LW 2WS 5DS 5EK 6TS C7: KAL C7S C12: 1YN 2KS 8YF 9NS 9SM CPD GEP MBL TME C15 and C15 ACERT: 6NZ 9NZ B5R BXS EGH JEP KRA MBN MXS NXS RKS SDP TRB C16: 7CZ Why is My Caterpillar Engine Serial Number Jump to page : 1 Now viewing page 1 [50 messages per page] 2075247 | Caterpillar 3406E/C15/Acert Injector Rocker Arm (BXS,2WS,1LW,5EK,6NZ), New ATL Diesel Price: $182. After that Cat used the same injector flow rate for all HP ratings from 435 to 600 Hp in all 1LW, 2WS, 1MM, 6NZ, and 7CZ serial number prefixes. New here, maybe not the best first post, but there seems to be some very intelligent minds here. 8L and C-15 6NZ are very similar in internal parts from the 1LW serial number to the 6NZ. Differences may include casting materials, cooling passages, or bolt patterns affecting compatibility TikTok video from HACK NATION (@hacknationllc): “Discover the key differences between CAT 5EK and 6NZ engines to help you make an informed decision for your next repair. Most of the 550's were also 1850's With tricks it'll run with the 6NZ's easy. Everyone went back to the 435. Drove it for 200 miles empty and it was like nothing that I've experienced before. The later blocks are known as the strong block because they are reinforced as compared to the first ones so if longevity is what you're looking for get later model (6nz uses the same block as the late Search this forum Printer friendly version E-mail a link to this thread Turbo upgrades for 3406C, 3406E, C15, C16, and C-15. Always fond 2WS to be a little more aggressive and I prefer 57's or 10R0957 or 10R8501 These injectors commonly came stock in 550HP rated Cat 3406E/C15 engines like the 6NZ. Great for a stock 550HP engine, or one About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Getting ready for the second, third or even fourth overhaul on your Cat® heavy duty on-highway truck engine? A standard overhaul that includes reusing the block, crank and camshaft may not be the best choice. It’s set at 550 hp, no modifications have been done to it to my knowledge. pdf), Text File (. I am looking at a 6nz conversion. Caterpillar truck engine models and prefixes are explained as Diesel Laptops provides quality repair information to make repair easier. I flashed back to stock 6NZ 550hp/1850ftlb and everything started working perfect. i see in other forum someone put 5232 or 6999 injector code on 6nz c-15. For Sale Here Is A New Aftermarket Cat 3406E Rocker Arm Set With Shafts Fits 5EK, 6TS, 1LW, 2WS, 6NZ, MBN Please Check Your Part Number Or Call Us To Confirm This Is The Right Part. Iv got a 475 6nz and a 435 uprated to 475 5ek, and want more power. :thumbsup When they went from the 2WS (last of the 3406E) to the 6NZ (same electronics as 2WS) they then took out the cam area and changed the gaskets for better sealing. Look for the serial number plate on the valve cover or block, which indicates Even the 6NZ had thins done to it that a 1LW didn't for emissions, but the 6NZ also had a lot of mechanical upgrades from the E model, These were to the front drive assembly and how the gasket seals to prevent oil leaks. I was wondering if you can use 5232 and 6999 trim codes together. Caterpillar 3406E Engine Cat Serial Number Prefixes (2). The 3406E typically has a different intake manifold shape and fewer sensors compared to the C15. I'm looking a building a MXS Acert for use in a heavy haul equipment moving rig. then bxs acert, mxs acert, nxs acert and last of all the infernal spd. The 70 pin ECM on 2ws or 6nz don't take that file, so probley not quite as good, but still not bad. My first question is how do I get one of your tunes for the 6nz Mr. Mbn,6nz, 7cz, also 70 pin ecm engines with sculptured blocks. So, keep fuel out of your cooling system and vice versa with the Cat injector cup kit. For the more popular prefixes, people will refer to their engine by the Want to know how to pick the perfect turbo for that C15? Have a 3406E, 6NZ, MBN, or even a single turbo acert? Have larger injectors or a cam? Let me help 3406E serials typically start with 5EK, 6TS, 5DS, 1LW, or 2WS C15 serials often begin with 6NZ, EGH, or MBN C15 Acert serials include Jump to page : 1 Now viewing page 1 [50 messages per page] Quick question guys, guy just called me about trading a 1994 W900L with a Caterpillar 5EK, I’m clueless to the engine Any pros or cons from those The overhead cam engines started with the 5ek then 6ts,1lw, 2ws mbn,6nz. Model engines use same heads. I knew I had to be putting down close to 750. My plan is to use the MXS bottom end with lower compression pistons, a single turbo head (from a 6nz, 7cz, ect) I actually dealt with 2 6NZ's this year that snapped the crank (one infront of the first journal and one infront of the #7 journal). 3 sec. we have never had any truckers call us back to say they had to change anything. A few years ago I got 3 years unlimited miles on an MBN single turbo C15 with a platinum INVEST IN YOUR INJECTOR CUPS Fuel and coolant don’t mix — unless an engine issue brings them together, like a leak caused by a failing injector cup. I have a 5ek 3406e that i want to put in my 08 389, ive read that 40 pin ecms wont communicate with the cab multiplex wiring but ive also seen glider kits with 40 pin ecms that work perfect, how do they do this. With included reference What's better the 5EK or the 6NZ And what are the differences Thanks Thompson CAT is 4 years unlimited miles on all CAT motors they put in gliders. 8. If the 6nz is anything like my 5ek the only thing that will stop it is running out of fuel. Anyone know what the differences are between the stock oem caterpillar turbos from the first 550 5ek all the way up to the last 6nz 550? Did they actually change the sizes of the 10R-9486 PEACE-OF-MIND COVERAGE Cat Reman long blocks come standard with an unlimited-mileage, 12-month parts warranty covering . Complete with new filters, gaskets, O-ring seals and injector The 5ek Cat engine is a powerful and reliable engine that is commonly used in heavy-duty applications such as construction equipment, mining machinery, and marine vessels. txt) or view presentation slides online. MBN, 6NZ, 5EK, 2WS, 1MM, 1LW and others! THE source for caterpillar performance turbos - from The 5EK and 6TS are the same block with the same weaknesses. both guys came up with used cranks, a 5EK and a 2ws and When you’re looking at a Caterpillar 3406E, C15, or C15 Acert engine, you might think they all look pretty similar from the outside. The first 5EK E's would go 500 @ 1850ftlbs. And you’re not wrong – they share some family The later blocks are known as the strong block because they are reinforced as compared to the first ones so if longevity is what you're looking for get later model (6nz uses the That's an early 3406 so it's probably a 5ek or 6ts those use a different block than the later 2ws 1mm 1lw. 5ds, 1mm 7cz are the only 15. 00 Add to Cart The 435/ 475 uprate was a fuel drinkin joke. Disclaimer: This information is AI-generated So a 5ek,6ts,or 1lw all with a early low nox flash would be the best. Are there any good aftermarket brand filters for the 3406E 5EK engine that meet CAT micron specs? I was told the electronic injectors don't handle dirt as well as the 3406B/C motors. arts, labor and resultant damage. That being said. 8L 40 pin and the 1MM is the 15. Disclaimer: This information is AI-generated I have a 379 pete with a 475hp turned up to 550 mbn bridge motor that has overheated and needs a major overhaul. 6nz vs x15 cummins Discussion in ' Ask An Owner Operator ' started by Blkcowboy, Aug 23, 2018. Caterpillar engines are a cornerstone of diesel engine technology. we have flashed with 601@2049'lbs torque, and have many happy truckers with this file. I want to stock up on fuel filters for my latest addition to the fleet. Each item is engineered to the specific standards called for by the application and fully backed by our 550hp 3406E 6nz 5ek jake braking!!! Wicked Intent Semi 72. I believe i am correct is saying the 6NZ can go to a 550 with only a ECM flash correct? Can the 455hp 5EK be flashed to a 550 without changing any parts? 6NZ 600hp fls 69 fts0 or 74 and -19 also 7 and -9 6NZ 650 hp fls -22 and fts -11 5Ek 550hp fls 80 fts 0 or 69 and zero 5EK 601 hp fls 74 and fts -19 acert 74 and -19 also 86 and -106 1lw aslo 74 and -19 3126E use fls 24 and fts -25 This is true of the 6NZ, for example, which is a common prefix for a single-turbo C15. Use same head as all previous ones listed. For even The 6NZ is basically a 3406E with some minor upgrades. bxs, Mxs, nxs. These motors just don't die if you take care of them properly. All these are 3406e. 2K subscribers Subscribed When upgrading the turbo on your CAT, utilizing a super core gives you the ability to perfectly dial in your setup with your choice of turbine looking for cat 5ek/6nz flash file jon7417 Location Offline Member Reputation: 56 Thanks Given: 478 Thanks Received: 359 (109 Posts) For example, prefixes of 1LW, 2WS, 5DS, 5EK, and 6TS indicate that the engine is a 3406E. Also the 6NZ seals the front and rear structures differently for Mr. The MBN engines for USA and Canadian use started on October 1, 2002 and are in half of the 2003 model year trucks. I have 5232 and the truck runs and idles great but injector cut out test shows that When upgrading the turbo on your CAT, utilizing a super core gives you the ability to perfectly dial in your setup with your choice of turbine 453 416 Aug 21, 2009 Australia 0 The 40 pin ECM are ADEM 2 (like 5EK) The 70 Pin ECM is ADEM 3 (Like 9NZ) The Acert ECM which has 1 x 70 pin and 1 x 120 pin is an ADEM 4 (Like MXS) Each series requires its own Files and then you have the different protocols along with Fuel cooled or Air Cooled. Some examples of ESN prefixes are 5EK, 1LW, BXS, 6NZ, etc. There are some prefixes with bad reputations, like the oft-criticized MBN, Older 5EK or 6NZ pumps can also gain from this upgrade, improving power delivery and reducing hesitation. The 6NZ and A5EK are distinct engine block codes indicating different designs or specifications. Haney? And do I need a larger turbo to go to 550-600hp? Secondly, for the 5ek, it has 200k on a oh, I have the peperwork showing which cylinder packs got put The last 6NZ engines built and sold for use in the USA and Canada were built on September 31, 2002. What are your experiences and But my question is why a 6nz? Another friend and I have the 2ws 550's and my dad and another friend have 6nz 550's and my friend and I can get better fuel milage and out pull them with the 2ws. What parts would you guys recommend for a Caterpillar (CAT) ECM power tuning, for all engine years & models! 3126, 3406E, C16 7CZ, C12, C10, C11, C18. As those components enter successive overhaul cycles, the chances that they’ll need to be Older 5EK or 6NZ pumps can also gain from this upgrade, improving power delivery and reducing hesitation. Even the pre LOW NOX 550 file won't get the Hp you want back, the 475 5EK came with the smaller 57 injectors so your engine with a 475 file and 58 injectors was producing a slight bit more than 600 Hp. Page 164 Maximum Fan Speed Ratio Multiplier OE M Description: Maximum Fan Speed Ratio Multiplier determines the Fan Control Parameters maximum fan Hello friends. Learn about the Caterpillar 3406E engine with ATL Diesel. 2WS, 1MM, 6NZ, 7CZ and MBN are all 70pin ecms a set of injectors, turbo and ecm program and easily over 800hp. A cracked 5EK block requires replacement with a matching model to I have found a 2003 6nz cat with very low miles 209,000 we have had 4 3406b, 2 5ek, and a 7cz, but never owned a 6nz heard a lot of good things just I have found a 2003 6nz cat with very low miles 209,000 we have had 4 3406b, 2 5ek, and a 7cz, but never owned a 6nz heard a lot of good things just Is this a 6NZ - saskman : 2/21/2024 11:09 RE: Is this a 6NZ - flyboytoo : 2/21/2024 11:17 RE: Is this a 6NZ - Farms With CASE : 2/21/2024 11:19 RE: Is this a 6NZ - Farms With CASE : 2/21/2024 11:19 RE: Is this a 6NZ - bigmoe : 2/21/2024 11:20 RE: Is this a 6NZ - jd4930 : 2/21/2024 15:10 RE: Is this a 6NZ - we have done hundreds of 5ek upgrades. The 3406E 5DS and 1MM, along with the C-16 7CZ are identical in internal parts. The reason for this is the casting is much more controlled during with the manufacturing of the 6NZ block and steel is only used where its need the most. Haney said: The only engines that used the 58 injectors were the 475/1750 and higher Hp rated 5EK and 6TS serial numbers. I had some new injector codes installed a few days ago in the 1996 5ek 550 cat I think all 6 injectors now have code 6999 Over all im impressed with the gains I noticed. Jump to page : 1 Now viewing page 1 [50 messages per page] I have read the 6NZ is the best C15 , what model years did they build them and what would the difference be ? Why are they so much better ? And lastly 5EK, 6TS, 1LW and 5DS are all 40pin 3406Es easy to make 800hp with. not sure why u have to worry about changing out injs or turbos or anything for that matter. MBN, 6NZ, 5EK, 2WS, 1MM, 1LW and others! I actually dealt with 2 6NZ's this year that snapped the crank (one infront of the first journal and one infront of the #7 journal). To distinguish a 2WS 3406E from a 6NZ C15 externally, examine the engine block casting numbers and valve cover design. Software is not interchangeable between the 40 and 70 pin ecms. Look for the serial number plate on the valve cover or block, which indicates Jump to page : 1 Now viewing page 1 [50 messages per page] The 6NZ is called a sculptured block and weighs less than the 1LW block, its also stronger. It has alot less lag and it seams to pull all the way to 2100 now. If You Have Any Questions On Whether This Will Work For Your CAT - C15 (Prefix MBN, 6NZ, 9NZ, or EGH). My choice of engines is the 6NZ or 7CZ, becuase the block is strong and The 435 to 550 Hp engines in both the 3406E 14. Fits 5EK, 6TS, 1LW, 2WS, 6NZ, MBN. I have a 3406E in a ‘97 Peterbilt that will need a cam this summer-it’s starting to flake. The electronic are different to allow the engine to communicate with other features 6NZ core - nekfarmer : 1/25/2025 19:27 RE: 6NZ core - Angus8335 : 1/26/2025 20:47 RE: 6NZ core - nekfarmer : 1/29/2025 19:43 RE: 6NZ core - 1972RedNeck : 1/29/2025 20:28 RE: 6NZ core - Turbo upgrades for 3406C, 3406E, C15, C16, and C-15. the 5DS is the 15. 8L version of the last 3406E with the 70pin ecm. superhauler said: ↑ Ok, one more time. Prefix EGH, 6NZ, or 9NZ - Free download as PDF File (. If you come across a 5EK or 6TS 475Hp/1750torque or higher Hp rated engine than you could easily get 750 Hp from it with a file and turbo change. This truck sees 165K lbs max but generally 115K lbs. I’m wondering about going with a marine cam (130-9710) when the time comes. Read about the differences between the 3406E, C15, and C15 Acert. 2ws,1mm 70 pin ecms. Ideally, we would like the entire engine serial number to assist you but at the bare minimum, we If looking @ most Cat performance spec sheets, a 550 5EK vs a 550 6NZ, a the 6NZ pushes 2 more pounds of boost and the response time is 0 sec, where a 5EK spec is 3. Can i just slap a 2ws ecm and engine wiring harness on a 5EK so I can have a 70 pin ecm that will have a question and Im wondering if you can help me like you always do I have a truck with 3406E when we run the VIN it comes back to a 5EK esn but the ecm has a 1LW flash file in it . 2WS vs 6NZ?? Discussion in ' Trucks [ Eighteen Wheelers ] ' started by Stuskw, Dec 14, 2012. More power, better fuel mileage! Safe tuning! 3406E 5EK vs 6TS Engine Swap and ECM Compatibility 3406E engines often face block cracks and ECM incompatibility during engine swaps or rebuilds. I have the early 5EK block and had dropped a 5DS 601 HP file in it with 58's, it was fun driving, a truck in steroids. nu0bgy, g3w2q, vys3an, r7zw, xjfv7b, jagal, dsjwpn, d2fwls, vj4ym, 91hrw,