Gm transmission identification numbers. Chevy Manual Transmission Identification Chevy Automatic Transmission Identification Muncie (left) Saginaw (center) Borg Warner (right) To quickly finger what you have, notice in the above picture: Nearly all of the GM automatic transmissions have a few things in common. GM FWD Transmission ID Charts On the rear of the trans there should be a metal tag affixed to the case that looks like this: Click a year below to view the information. 0 V8" Tag numbers have 7 digits and casting numbers have 10 digits. Mar 4, 2025 · Your transmission isn’t just a metal box of gears—it’s the unsung hero (or villain) of your driving experience. ” Reprogramming the TCM downloads the solenoid performance data files, providing the TCM with the pressure curve information for the new solenoids or valve body. Here we look at where to find it, and how to tell what type it is. Built in the Monster style for speed, clarity, and conversions. We’re cracking the code like a seasoned mechanic. 1962-74 Chevrolet automatic transmission code decoder helps figure out the type and configuration. Jan 6, 2024 · I have four transmissions, which I need to identify, before I can proceed. Identifying GM 4 Speed Transmissions - General Motors Transmission Identification This resource will be on going, and grow as time permits. Jan 10, 2019 · That number is GMs part number for the transmission, the number you would use to order the transmission from GM. Casting numbers are notorious for being vague and hard to read. How to Identify Your Transmission TH350 and TH400 Transmissions can be identified by the location of the Modulator and by the shape of the transmission pan. Jul 30, 2025 · This timeline can help you rule out certain transmissions based on your vehicle’s year of manufacture. Common codes are BA, BT What is a VIN? VIN stands for Vehicle Identification Number and, since 1981, is expressed as a 17-character serial number. GM 8. Identify your vehicle’s transmission type, model, and specifications with Transmission Lookup by VIN. . Output shaft input shaft Any help telling what year transmission I have. com Using a good flashlight, look for part numbers stamped into the transmission pan or the transmission itself. GM Ford Chrysler FAQs GM uses the same type 4-digit ID method of identifying FWD torque converters as with the RWD units, however the digits have different meanings. Decode the numbers and find the right gears for your vehicle. case. Identification of the THM700-R4 automatic transmission is accomplished by locating visual clues separating it from other GM and Chevrolet automatic transmissions and by decoding the information found on the identification tag. We dedicated an … 4T65E Identification These transmissions use many different sized torqe converters depending on which application they went originally went in. Click here to find out NOW. 3L. By entering the VIN into an online database or contacting a local mechanic, you can quickly determine which type of transmission is present in your GM vehicle. This is espescially true for the people who are still using the generation I and II small-block Chevy. According to the Summit Racing technical department, it’s one of the most-asked-about topics when customers call for advice. Click this bar to view the full image. If you think your vehicle identification number is random, think again! Our GM VIN decoder is a quick and easy way to unlock your car's important information. To my suprise when I got there he had a 700r4 This identified the model year, engine type, date, and transmission serial number. Jun 13, 2017 · While casting numbers are a definite guideline for identification, a quick, somewhat accurate way to quickly identify Muncie transmissions involves the input shafts. It is a TH350. The following charts can help with GM transmission identification for automatics and manuals. THM 440-T4 / 4T60 1985 1986 1987 1988 1989 1990 4T60-E 1991 1992 1993 1994 1995 1996 1997-99 4T65-E 1997 1998 1999 2000 2001 2002 *MUNCIE Shaft Identification: istinguishedvfrom the style of the transmission arm attachment. Discover valuable tips for verifying information and using online resources effectively. The serial number is 5281 (5281). Casting Number: 8663549 ID Number: 9FMM060A Here is what I found on it so far: This image has been resized. Understanding your transmission is essential for maintenance, repairs, and upgrades. There are 11 manual transmissions in use by GM. FIRST TRANSMISSION. Car & truck saginaw transmissions often have different date code stamping locations. The T-56 six speed manual transmission has been used in a wide range of vehicles from 1 Applications, 2 Features, 3 Identification, 4 See also, 5 External links The T-56 has a synchromesh made up Jul 11, 2019 · GM 4L60E ID codes 2. Image Number Transmission(s) Chevrolet transmissions can be manual or automatic. Feb 15, 2014 · I am looking to see if I can find out what my transmission originally came out of. 1 or 2 6T70/75/80 build. If there happens to be a shifter on top of it you can manually count the number of gears (which is never a bad idea). Jul 9, 2024 · Learn how to decode transmission serial numbers with our comprehensive guide. Last week a lady I work with and pretty good friends with, her husband who owns a shop called and said he had a birthday gift for me, and to come to his shop to pick it up on Saturday. But the firewall has ahole for the speedo cable to go through like a 4 speed muncie with the clips. Aug 29, 2010 · First thing you want to look for is the # on the passenger side of the rear of the case just above the oil pan on the case itself. In the below example it is a TH400 for the 1970 model year (70) for a 454 engine (CR) and built on the 330th day of 1969 (330). Don't take the first 7 digits of the casting number and look it up as a tag number. The specialty rebuilders that have seen hundreds, if not thousands, of these transmissions can be considered a reliable source. Scroll down until you see the search engine in the picture below. All transmissions have an assembly date code stamped on the main case. It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today. Whether you’re battling a shuddering shift, shopping for a rebuild, or just curious, identifying your transmission is step one. Did you open yours up and count the teeth? If so, could you post the counts here as I would like to add them to my website which I have already updated with the previously listed info? Jan 17, 2017 · Is there any clear way to identify (on the exterior) of my transmission as to what model it is? I drive a 1993 GMC Sierra (long wheel base) with a 4. CHART (continued) Holes may not be tapped * MUNCIE Shaft Identification he transmission arm attachment. Additionally, the VIN can be found on the vehicle’s title, registration, and insurance card. K 170. Each of the positions in a VIN describes a specific aspect of the vehicle Example VIN for 2011 Ford Fiesta Jul 5, 2016 · Several things are needed to identify a Muncie four-speed transmission correctly. For example: First, identify the pan shape and bolt count Verify with RPO codes if available Check casting numbers and date codes Confirm Mar 14, 2025 · This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions. A date casting number is a raised number which is cast into the block, cylinder head, transmission case, bell housing, differential housing and many other cast iron parts. Compare bolt patterns, see common applications, and jump straight to the right parts or complete remanufactured units. Second a count of the input shaft and output shaft splines and if any rings or grooves exist around the input shaft splines. Automatic transmission on a Chevy can be identified in one of two ways: You can look at the size of the pan on the transmission or you can search for the identification number that has been stamped somewhere on the casing. Jan 13, 2023 · Learn how to identify 10R60/80/90/140, 10L60/80/90 (Gen. Aug 26, 2023 · Discover the secrets of Borg Warner transmission identification numbers with this guide. Report this image Just curious what Side Cover Casting Numbers 1964 to 1968 Muncie 4-speed transmissions can be identified from later models by the way the transmission arms attach. To go into the 4L60E years just go up from the 1993 code Jul 25, 2016 · Want to know what transmission you have? 6 simple ways in this article will help you to answer that question. Side Cover Casting Numbers 1964 to 1968 Muncie 4-speed transmissions can be identified from later models by the way the transmission arms attach. Numbers are displayed below, as they appear on the transmissions. *RPO = regular production option. At the bottom of tag, the last series of numbers is the sequence number of that particular transmission. Apr 15, 2011 · Here is how to year date a 700R4/4L60 transmission. Does anyone know where I can find a list to decode the rest? THANKS, ERNY Mar 11, 2018 · TH 400 transmission tags have the trans code number stenciled and stamped on the tag, the last two digits of the year, and then the julian date of the trans build is often stamped in the center of the tag. The FIRST digit denotes to year model of the transmission. I'm thinking this is a cast iron Saginaw, the casting number would be 39255656 though. But this is it. Can I lookup my vehicle specs by VIN number? In this EPIC level of technical detail video we go over how to identify the correct casting numbers, intended engine application, and assembly date for the GM 4L80E automatic transmission (RPO Jul 29, 2016 · Learn how to identify production code numbers, VIN numbers, and more on a Muncie transmission. So if you're looking to buy a transmission off of Dec 30, 2024 · We hope you find the Lookup GM Transmission by Model, Year guide helpful. Third are date codes and VIN numbers that help confirm that the above case and gears belong together. There are also casting numbers on individual parts that make up the entire transmission. This car was built 11c. Here you'll find information to help you with Proper 4L60E Transmission identification, as well as specs, gearing RPO Codes and more. Is it possible that this car can with a saginaw 4-speed ? Jun 14, 2012 · I have been on the hunt for a 700r4 trans for some time now. Locate the source serial number: The source serial number is typically Jan 15, 2023 · Found a nice, easy way to search GM 4L60/65/70e case numbers. Casting is located above side cover, on trans. To undertake either method will require you 700R4 Identification- The Easy Way The 700r4 transmission, also known as the TH700R4 or MD-8, is a popular and versatile transmission found in many GM vehicles during the 1980s and 1990s. Mar 24, 2012 · Pulled my trans to fix a front pump seal, having trouble figuring out what the trans is from. Early Muncie side covers had a stud and the shift arm attached with a nut on the stud while the 1969 and later model side covers had a hole and the shift arms attached with a bolt. 4L60E's use the letter D as the 3rd digit of the 3 letter model code, where 700R4/4L60 uses a M. 5) Vehicle Identification Number (VIN) Lookup Mar 28, 2022 · Various case changes and other differences in the 4l60E Transmission variations since 1993 are discussed with a full list of Tag ID meanings. 1996-up converters are built to be compatible with GM's PWM TCC apply strategy which means that you can use the newer Jan 11, 2025 · Learn how to identify and understand your GM 3-Speed manual transmission with our expert guides and resources. BORG-WARNER SHAFTS TRANS ID 452,453 TRANS ID 451 4-SPEED TRANSMISSION I. Sep 18, 2002 · My rebuild manual say "The production day and shift built number, transmission model and model year are stamped on the 1-2 accumulator cover, which is located on the middle lower right side of the transmission case". The following is a guide to all the manual transmissions and transfer cases that GM is using, with the information good through March 29, 2006. It can also be used to date 4L60E transmissions if you continue the date progression. It is unfortunate that these numbering systems overlap. These guys […] Oct 19, 2021 · From the beginning and the Powerglide to the modern day and the 10-speed automatic that handles work and performance, GM automatic transmissions have been pivotal to the success of the brand's machines. It offers detailed lists of options and configuration images for the specific Chevrolet TRANS vehicle you’re focusing on. But with cryptic codes, VIN mysteries, and a maze of OEM jargon, where do you start? Buckle up. One of the best ways to identify a Muncie is the casting numbers on the external components of the transmission. The document includes detailed ID codes that correspond to various vehicle types such as C-Trucks, G-Vans, F-Cars, and Corvettes, specifying engine sizes and configurations like standard and extended cabs. Thanks :?: The easiest and surest way to identify the original application or gear ratios of a specific used Borg-Warner T5 transmission is to check and look-up the ID tag number using the chart below. There is a 7 digit number on the other side. Dec 17, 2022 · If you’re looking to identify a Chevy transmission by its vehicle identification number (VIN), there are a few things you’ll want to keep in mind. Go in-depth with us as we check out the details of the General's auto boxes. See full list on chevyhardcore. Mar 11, 2022 · If Your VIN Doesn’t Provide Complete Transmission Information, You May Need To Seek Out Your Vehicle’s Transmission Identification Number. They are all made of aluminum. Dec 15, 2019 · Saginaw 3-spd Gear Ratio Identification The 1967 - 1972 Chevrolet & GMC Pickups Message Board Transmission Identification Knowing which transmission you have in your vehicle is extremely important when you need to replace filters, speedo cables, speedo gears, transmission mounts, etc. May 31, 2006 · I bought a RSSS 1969 camaro and this transmission can with it. Several things are needed to identify a Muncie correctly. The Turbo 350 is arguably GM's most popular automatic transmission with the aftermarket even today. The TH350 transmission identification, decoding, and super-tuning process is what sets it apart from other transmissions. Feb 24, 2016 · Transmission identification is a common issue among classic car enthusiasts. 691747 OR 591747. Get in the right gear with these tips Nov 1, 2003 · Identifying manual transmissions for transmission shops: A guide to help you determine the right unit for repairs and parts ordering. Gm Manual Transmission Identification Numbers Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, head casting numbers, intake manifold casting numbers, transmission. All TH400 transmission dates are counted from January 1 of the previous calendar year. Let's dive into the how and why. ) at the time they were constructed. Find out where to locate these numbers, tools needed for identification, and how to break down the components like manufacturer code, production plant code, and more. For starters, the VIN can be found on the vehicle’s dashboard, on the driver’s side door, or on the driver’s side doorjamb. Feb 5, 2024 · To identify your Chevy automatic transmission, you can follow these steps:1. NOTICE - First Digit 9 Denotes Both 1982 Model, and 1989 Model. 8663549 I looked where everyone said the other code was located but it wasn't there. Nov 7, 2011 · To give you a brief overview. Jan 17, 2013 · Learn how to identify your transmission by sight or by transmission identification tag. Check these troubleshooting and repair guides for more help on your GM. Jan 28, 2024 · and have mistakenly identified their transmission as being a NON-World Class "1352-065 - Ford 1984 Mustang/Capri 5. Your Chevrolet TRANS’s Vehicle Identification Number (VIN) encapsulates crucial information about its construction, including the distinct options and features that define its character. Although the TH350 The matrix on the right is the Engine Casting Numbers and should prove to get you the ID, Make and Year of your Engine. New transmission designs came with new, unique pan shapes, and the general shape of the pan often paints a fairly clear picture of which automatic transmission you are dealing with. Learn how to identify and decode a 4l60e tag with easy to follow diagrams of case numbers and sticker information. Superformance Transmission Identification Guide This guide will assist you in determining your Superformance car's Transmission model and type that was selected during the installation or subsequent changes and upgrades thereafter. What transmission do I have? A common question for those that don't know how to identify one. 1 PDF A documentation that lists GM vehicle ID codes for models equipped with the 4L60E transmission from 1993 to 2004. Key Characteristics for a Quick ID To identify a 700r4 transmission, there are several key physical features to look for: 1. Jun 11, 2023 · When you have a GM motor, Saginaw 3 speed identification is all you need to know. Impact on Maintenance: Correctly identifying your transmission type influences fluid selection, service intervals, and upgrade opportunities. 1965 Muncie Transmission (early): Passenger and Corvette models stamped on the top right flat of the transmission case. "B" was used to denote Buick transmissions in the trans code. Here is what I know. Using a good flashlight, look for part numbers stamped into the transmission pan or the transmission itself. Your local auto part store or dealer will be able to cross-reference the numbers to determine the kind of transmission the part belongs to. Learn Where To Find Your Transmission Tag Here. Save time and money on repairs today! Dec 9, 2024 · Learn how to use VIN and RPO codes to determine the right TEHCM serial number for a Gen. D. Additionally, many mechanics This page provides detailed information on identifying and interchanging TH400 transmission cases, including specifications and compatibility guidelines for optimal performance. Decoding Turbo Hydramatic 400 Transmission The TH400 transmission has a tag on the passenger side of the transmission with codes to indicate the model year, the engine it was coupled with and the day it was built. 5) Vehicle Identification Number (VIN) Lookup Jun 25, 2012 · "What transmission do I have?" This is a common question. This resou TRANSMISSION / ENGINE IDENTIFICATION How to Identify Your Transmission TH350, TH400, TH700R4 and THM-R2 Transmissions can be identified by the location or absence of the Modulator, and by the shape of the transmission pan. When I look online on auto parts websites they have 2 different transmissions. Mar 26, 2012 · The code on the side of the trans is MD8 and a 6 with a line under it. The first is a main case casting number. Feb 20, 2023 · The transmission in my 32 Chevy roadster has the following part numbers (on the top) 590591 with the number 7 below and on the side of the transmission housing is 590695 with GM-6 under the numbers Can someone tell me the year etc of the transmission? Thanks A VIN, or Vehicle Identification Number, is a distinctive identifying code assigned to any GM vehicles (Buick, Cadillac, Chevy, etc. All 125-C, 440-T4, 4T60, and 4T60-E transmissions use the same style torque converter, and they are interchangeable before 1996. Type in your four digit case number on your transmission and it will tell you what kind of vehicle it came from. Aug 7, 2018 · The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identification chart). Locate the source serial number: The source serial number is typically It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today. Mar 1, 2024 · Meta Description: Learn how to identify the GM 4L80E transmission with confidence, from decoding identification codes to recognizing key features. Pre-1969 Muncies use a stud PRE 69’ MUNCIE & ALL 69’ & LATER MUNCIE Muncies use a bolt as illustrated on the right. The easiest way to determine which of the transmissions that you have is to use the RPO codes. The easiest method of GM automatic transmission identification is to examine the transmission pan. Each transmission Jul 22, 2006 · 1970 Turbo 400's CA-400 V8 2 barrell carb Chevy and Monte CB-454 V8 345 hp Chevrolet CD-400 V8 Chevelle and Monte CF-400 V8 Chevrolet CG-454 V8 Police CK-350 V8 Corvette CR-454 V8 390 hp Chevrolet CS-454 V8 Monte Carlo and Corvette CW-400 V8 Chevelle CY-454 V8 Chevelle and Corvette TRANSMISSION PRODUCTION CODE NUMBER LOCATION 1963 1964 Muncie Transmission: Passenger and Corvette models stamped on the left side of the case rear of the side cover. 1 & 2) & 10L1000 transmissions by solenoid locations and size of steel plate. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. The THM700-R4, first used on the 1982 Chevrolet Corvette, was primarily designed for use on trucks and larger automobiles. Jun 30, 2017 · The part unique number and transmission unique number values and combinations are stored on the GM service reprogramming system “cloud. Feb 6, 2017 · Saginaw four speed transmission identification codes Also, one of the most common issues you may experience when looking at a Saginaw is whether or not you are even looking at a three speed or four speed version of the transmission. These guys […] Feb 5, 2024 · To identify your Chevy automatic transmission, you can follow these steps:1. There are 2 ways to determine a 1982 Feb 1, 2025 · Identification Methods: To identify your Chevrolet’s transmission, check the Vehicle Identification Number (VIN), inspect the transmission pan, look for manufacturer labels, and examine the gear shifter. Using Multiple Methods for Certainty The most reliable approach to GM transmission identification involves cross-checking results from multiple methods. Pre ‘69 Muncie’s use a stud & nut at the indicated attachement point, while ‘69 and later Muncie’s use illustrated on the right. SECOND TRANSMISSION. May 20, 2023 · Gm Transmission Identification by Vin When attempting to identify the type of transmission in a GM vehicle, one of the most reliable methods is to use the Vehicle Identification Number (VIN) provided by GM. Apr 1, 2007 · GM sometimes uses the RPO codes to identify the repair sections in the manual. Nov 15, 2011 · 3925658 is the p/n for the 1968-'69 Muncie "M-type" main case (casting number 3925660). The Summit Racing tech department provide insight on IDing both automatic and manual transmissions. Before we get into further explanations of Casting Numbers, if you are trying to decipher the VIN plate on the Trucks Drivers Side Door Jamb, you can get that information on our History Page Here. GM transmissions [edit] Automatic [edit] General information Transmission identification by pan shape with gear ratios. I would appreciate any assistance you may provide, with these casting numbers. Sep 30, 2017 · I want to change the transmission filter but I don't know which 4 speed transmission I have. The Monte Carlo used the 3spd non-overdrive TH350 up until 1984 and then switched to the 4spd overdrive TH200-4R from 1985-1988. Identification • Applications • Shopping Identify Your Transmission Quickly identify your transmission by family, years, and gear count. Please read the article to learn more about it. Assembly date code reflects model year of stamping, not calender year. Number stamped on driver side, just above the pan: 36M292819 Top of bell housing, between top two mounting bolt holes, large raised numbers in casting C 11 Drivers side, side of bell Feb 4, 2010 · Can anyone out there help me out decoding this 700R4 Transmission I just purchased? It has 3 numbers I found: MD8: 700R4 8663550: ??? 7YXMl63H: I know; 7= '87, M= 700R4, H= Night Shift. Feb 19, 2011 · Transmission Decoding/Identification This file has gotten so large that I've split this file up and moved the chevy transmission identification information to here. Oct 4, 2015 · I have four transmissions, which I need to identify, before I can proceed. You must have Adobe Acrobat Reader to view. When you need to remove and replace a transmission the transend Complete Transmission Lookup Tool is here to help make your search simple and fast. Tooth counts on the input shaft will help confirm a certain gear ratio Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. RPO codes can be found on a sticker inside the glove compartment of all modern GM vehicles. gw7 m43k8h1 nvi ci mb fsly vwx7kjrw 1lc jwg tz1