Ford c1 axle code

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The Sterling 10.5 axle is an automotive axle manufactured by Ford Motor Company at the Sterling Axle Plant in Sterling Heights, MI.It was first used in model year 1985 Ford trucks. The axle was developed to replace the Dana 60 and Dana 70.The Sterling 10.5 axle is currently only made as a full floating axle.. 10.5 Sterling axle in 2011 Super Duty (without …If you own a Ford vehicle and have encountered a check engine light or any other warning lights on your dashboard, understanding the meaning behind Ford diagnostic codes is crucial...You should have a C1 code for the axle on your door tag. I'd take a look at your front axle, which is a Dana 50 and labeled better than the Ford axle. The tag is attached to a bolt on the left hand side of the differential cover. The first three numbers are the gear ratio (3.73), followed by a diamond symbol. Reply Like.Ford Axle Code 3H is commonly found in various Ford trucks and SUVs, particularly those designed for heavy-duty use. It is important to note that not all Ford vehicles are equipped with this specific axle code. To determine if a vehicle has code 3H, individuals can refer to the vehicle’s build sheet or consult their local Ford dealership.Ford assigned dozens of transmission identification codes to its 1973 through 1979 trucks and vans, including F100 through F350 trucks and E100 through E300 vans, and trucks in the...Posts: 161,998. Likes: 3. Received 58 Likes on 30 Posts. Quote: Originally Posted by mcpalums. Looking at an 03' f250 cc and it has an axle code of c3 which. I believe is 4:3 gears. If this is true I have really never heard of this (usually 4:10's or 3:73's) so how does this affect the truck as far as pulling, mpg's, highway, etc...The Ford Super Duty axle code C1 points to a Ford Limited Slip differential with a gear ratio of 3.73. The capacity iS8500 pounds, GVWR, and points to single rear wheel. This axle code was used on both the Ford F-250 and the Ford Excursion.You should have a C1 code for the axle on your door tag. I'd take a look at your front axle, which is a Dana 50 and labeled better than the Ford axle. The tag is attached to a bolt on the left hand side of the differential cover. The first three numbers are the gear ratio (3.73), followed by a diamond symbol. Reply Like.

Trailer axles sitting out-of-square can cause a trailer to travel at an angle when towed. The travel angle increases the wear rate of the tires attached to the axles, or worse, cau...1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks. Sponsored by: 1995 f-150 axel code 17. Reply Subscribe . Thread Tools ... Axle code 17 is for a 3.31 open differential, sorry about your luck there as that simply isn't enough gear for a 5.0 truck. ...Apr 19, 2007 · 1999 to 2016 Super Duty - axle codes - Hi guys, I tried searching the forum first for any info that telles me the axle codes on the inside door sticker for 1999 + superduties (particularly with Diesel) ie. C1, etc...thanks for your help! -Charlie What are the rear axle ratio codes for 2003 ford f250 super duty? - Answered by a verified Ford Mechanic ... C1 - 3.73 limited slip, F-250/Excursion; C2 - 4.10 limited slip, F-250/Excursion; C3 - 4.30 limited slip, F-250/Excursion; ... The Factory lable says 9 opposite the spot that indicates axle code ...I got this one for a great price! I have noticed 1 flaw to this truck though, it is a 1 wheel wonder. I will get stuck in my own driveway! I dont want to keep using 4 wheel drive (2 wheel in reality lol) to move in my yard or driveway. I am looking to swap out my axle code 37 (3.73 non limited slip) to the 3L (3.73 limited slip).The correct link to use is http://www.fordification.com.Yes, there are specific axle codes that are more desirable for Ford Ranger enthusiasts. Axle codes such as “31 spline” and “limited slip differential” are highly sought after for improved off-road capability and traction. These codes signify stronger axle shafts and a locking differential respectively, making them popular choices among ...A/X/Z Plan pricing, including A/X/Z Plan option pricing, is exclusively for eligible Ford Motor Company employees, friends and family members of eligible employees, and Ford …

Dec 26, 2023 · The B6 axle code indicates that the vehicle is equipped with a 7.5-inch ring gear with a limited-slip differential. This axle code can be found on the vehicle’s door jamb sticker, as well as on the axle itself. It is crucial to verify the axle code before purchasing any replacement parts or modifications. 9 times out of 10 it will be a 3.73 if its a F-350 SRW or a F-250. About the only time you see 4.10 gears is in a F-350 Dually. This is not a rule by any means but its how you see it 90% of the time. Again, if you have a letter infront of the number on the axle code its almost certain to be Limited Slip such a s C3, ect. ChrisFor your 4x4, the front axle may be 3.54 and the rear 3.55. Axle codes for the F350, if it has single rear wheels, should be 39 for 3.55's and 35 for 4.10's. If the code has a letter as the first character, the rear axle has a limited slip differential in it. Haven't run accross a Code 65 for an F350 in that year range.In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...The axle code can typically be found on the vehicle’s door tag, which is located on the driver’s side door jamb. It may also be stamped on the axle housing itself or listed on the vehicle’s build sheet. The chart provides a handy reference for decoding the axle code once it has been located. See also Fixing Transmission & Solenoid for ...The BOM stamp (2) or Axle Identification Tags (2A) are used to identify Dana axles / differentials. The BOM will identify the model number, the gear ratio, the type of axle / differential, and component parts. Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61. On some tags, the first 2 digits won't ...

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Dec 29, 2023 · The axle code can typically be found on the vehicle’s door tag, which is located on the driver’s side door jamb. It may also be stamped on the axle housing itself or listed on the vehicle’s build sheet. The chart provides a handy reference for decoding the axle code once it has been located. See also Fixing Transmission & Solenoid for ... K5 — 5.38 limited slip, F-550. K8 — 4.88 limited slip, F-550. KW — 4.88 non-limited slip, F-550 (wide frame) Or it could be like my 90 and have a C5 axle code which means C= F250 limited slip and 5= 4.10 axle ratio. That should be about enough information to easily identify your axles in the fairly modern ford trucks.Ford Rear Axle Assembly Identification - Page 15: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: S832E: Bronco '94-95 ... S930-C1: Expedition 97-98 Navigator 98: 3.31: 9.75: NL--S930-D: Expedition 97-98 Navigator …In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...Our comprehensive Ford axle code chart is a valuable resource for decoding axle codes. It lists all the known axle codes for various Ford models, allowing you to match the code found on your vehicle with the corresponding differential information.Posts: 161,998. Likes: 3. Received 58 Likes on 30 Posts. Quote: Originally Posted by mcpalums. Looking at an 03' f250 cc and it has an axle code of c3 which. I believe is 4:3 gears. If this is true I have really never heard of this (usually 4:10's or 3:73's) so how does this affect the truck as far as pulling, mpg's, highway, etc...

Rear Axles Used: Ford 7.5-Inch Axle: 1983-2011 Ford Ranger’s without a 4.0L V6 came with the Ford 7.5-Inch Axle. 1998-2011 Ford Ranger Super Cab 4×4’s are frequently equipped with 8.8-Inch axles regardless of engine size. Click HERE for more Ford 7.5-Inch Information & Specifications.Jan 3, 2024 · Using the Ford Axle Code Chart. Our comprehensive Ford axle code chart is a valuable resource for decoding axle codes. It lists all the known axle codes for various Ford models, allowing you to match the code found on your vehicle with the corresponding differential information. See also Reviving Performance: BMW 340i GT xDrive Wheel Bearing ... Ford Truck Enthusiasts Forums. Super Duty/Heavy Duty. 1999 to 2016 Super Duty. No axle code on door build sticker. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines. Sponsored by:My E99 has axle code of 31, which checks out to be an open 3.73 for an F-250. I am eyeing up two different trucks, one with C1 axles and one with a D1 axles. Both are 3.73 LS, the C1 lists for use in an F-250 and the D1 lists for use in an F-350.Sep 27, 2007 ... Look on the door tag, C1 is limited slip. Rear tag may say 3L73 as well. Don't remember the code for open spool. Stay away from the noobies ... It is a banjo-style axle as is the 8-inch. It was in production on many Ford cars and trucks, first appearing in 1957 and finally replaced by the Salisbury-style 8.8-inch axle in 1986, saving about 50 pounds and boasting increased efficiency. Here is an example of a weld repair on a factory original housing. 2002 ford f250 axle code c1. Axle f150Axle 26 code ford f150 Axle f150 fixya doorF150 axle ford code rear 2005 150 diff tag differential size source type will cover. Ford code f150 axle 2008 b6 sourceWhat is the axle ratio on my 2010 f150? Axle 26 code ford f150Axle code ford f150 gear ratio rear differential source ring 1996.Ford has used a variety of spring codes across their vehicle lineup over the years. Some of the most common codes include: Front Coil Springs: C5, D1, F2, G3. Rear Leaf Springs: B3, E5, F6, H2. Torsion Bar Springs: A3, D5, E4, G2. See also Enhancing Efficiency: Replacing MercedesBenz GL550 Powertrain Control Module.Likes: 33. Received 73 Likes on 39 Posts. Visual Confirmation of 10.5" Sterling Rear Axle? According to the rule of thumb (all 250s w/o the HD pkg get the Sterling; truck is a 2019 F250 Powerstroke), I should have a 10.5" Sterling, 35 spline rear axle. Door jamb Axle code is "3H" (3.31, electronic locking)Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: V106A: Ford F250 Pickup 85-86: 3.55: 10.25: NL--V106BIn the Ford Explorer, some common axle codes include: 31 – 3.27 gear ratio with an open differential. V6 – 3.27 gear ratio with a limited-slip differential. 55 – 3.55 gear ratio with an open differential. C7 – 3.73 gear ratio with a conventional differential. L9 – 3.73 gear ratio with a limited-slip differential.

Jul 29, 2004 · Ford Axle Code Chart. Code Ratio Capacity Maker Type Yr. 12 2.73 3800 FORD REG 1991. 17 3.25 3300 FORD REG 1971. 17 3.31 3800 FORD REG 1995. 18 3.08 3800 FORD REG 1991.

Sep 19, 2008 · They were the 450s of the OBS, 2wd with a leaf spring mono beam axle on the front like a semi. Straight narrow frame with a 10 lug Dana 80 with disc brakes & hydro boost. Geared to the moon, they came with 4x4 E4OD or ZF5 trannys & had a parking brake that bolted onto the rear of the tranny inside of in the axle itself. The Ford Axle Code H9 represents the original axle ratio installed by the manufacturer. While it is possible to modify or upgrade the axle ratio in some cases, it should be done with caution as it can have implications on the vehicle’s drivability, fuel efficiency, and warranty. Consulting with a professional mechanic or performance shop is ...Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: V106A: Ford F250 Pickup 85-86: 3.55: 10.25: NL--V106BStep 3. Locate the two-digit code in the box labeled “AXLE,” which is just below the bar code. Step 4. Match the code on the label to the corresponding rear axle ratio. The code “15” means your truck is equipped with a 3.15 axle ratio; “27” refers to a 3.31 ratio; “19” to a 3.55 ratio; and “26” to a 3.73 rear axle ratio.Trailer axles sitting out-of-square can cause a trailer to travel at an angle when towed. The travel angle increases the wear rate of the tires attached to the axles, or worse, cau...1999 - 2003 7.3L Power Stroke Diesel - Axle code D1 on the door tag. - 02 350 crewcab srw, what can yo utell me about my rear, or front axle?Jan 7, 2012 ... A trailer with GVM of 750 kg or less may be attached. http://www.foresightpublications.co.za/Dlic.html. 2019 Ford Ranger 2006 KTM 950 Adv All ...Here is a picture of my door tag. Came from factory with a 4.30 axle ratio. Thanks Strokin, that is exactly what I was looking for. It seems like they left the axle code blank on a lot of 2000 models, mine doesn't have an axle code, and my company truck is a 2000 model with no axle code. Does anyone have a link for a VIN decoder that will give ...

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Common Ford rear axle codes and what they mean. There are several common Ford rear axle codes that indicate different specifications. For example, the “C6” code represents a 2.73:1 ratio and is commonly found in vehicles optimized for fuel efficiency, while the “D2” code signifies a 4.10:1 ratio and is often used in trucks for better towing capabilities.D5 Ford " 4.10 E2 Dana " 4.10 E5 Ford 8200 4.10 F9 " 8250 3.55 You'll notice that some of the codes that are the same between the early and late books don't necessarily correspond when it comes to …You should have a C1 code for the axle on your door tag. I'd take a look at your front axle, which is a Dana 50 and labeled better than the Ford axle. The tag is attached to a bolt on the left hand side of the differential cover. The first three numbers are the gear ratio (3.73), followed by a diamond symbol. Reply Like.C1 for example is a 3.73 with limited slip. C2 is 4.10 LS, C3 is 4.30 LS. 31, 32, and 33 are 3.73, 4.10 and 4.30 open diff. There's a tag on the right side of the diff cover that has that info as well. My tag for example reads: 3V 425F 3 L 73 10 5 3E06 The first line has the plant code and axle type and revision.To find the axle code: 1. View the Safety Compliance Certification Label on the driver's side, front or rear door panel. 2. Find the word "AXLE" under the bar code. 3. Find the two-digit code under "AXLE." Step 2 - Find the …Mar 26, 2023 ... In this video we go over how use the rear locking differential on a Ford. We are, PA's #1 Ford Store, Twin Pine Ford.1987 - 1996 F150 & Larger F-Series Trucks - Axle codes 35, 45, 65 - I finally got a copy of a Ford manual. In it, it gives three different 4:10 ratio rear axles, with 6250, 7400, and 8250 max trailer ratings.Yes, there are specific axle codes that are more desirable for Ford Ranger enthusiasts. Axle codes such as “31 spline” and “limited slip differential” are highly sought after for improved off-road capability and traction. These codes signify stronger axle shafts and a locking differential respectively, making them popular choices among ...May 4, 2006 · 1999-2007 Ford Super Duties. ... Axle Code C1 What do I have? Jump to Latest Follow ... C1 = 3.73 limited slip, F-250/Excursion ….

9 times out of 10 it will be a 3.73 if its a F-350 SRW or a F-250. About the only time you see 4.10 gears is in a F-350 Dually. This is not a rule by any means but its how you see it 90% of the time. Again, if you have a letter infront of the number on the axle code its almost certain to be Limited Slip such a s C3, ect. ChrisThe axle code can typically be found on the vehicle’s door tag, which is located on the driver’s side door jamb. It may also be stamped on the axle housing itself or listed on the vehicle’s build sheet. The chart provides a handy reference for decoding the axle code once it has been located. See also Fixing Transmission & Solenoid for ...2004 - 2008 Ford F150 - H9 Axle Code - My I.D. label on the driver's door indicates an axle code of H9 for my truck. Couple of questions.... 1. What size does this mean I have, or can you tell me where I can look to find out? 2. Does this code mean I have the trak-lock axle? Thanks for the help....am planning to...It will show the ratio as "3 73" for an open axle, and "3L73" for a limited slip axle. The axle code on the build sticker behind the driver's door will be C1 for a 3.73 LS and 31 for a 3.73 open differential on F250's and D1 for 3.73 LS and 41 for 3.73 open on F350's.Ford axle ratio codes refer to the numerical values that represent the gear ratio between the drive shaft and the rear wheels in Ford vehicles. They affect vehicle performance by determining how much torque is delivered to the wheels. A higher axle ratio provides more torque, ideal for towing and off-roading, but sacrifices fuel efficiency.In a push to be more accommodating to small businesses, Ford is aiming to provide electric vehicles to the likes of plumbers and electricians. In a push to be more accommodating to...The code can be found on the Vehicle Identification Number (VIN) label, which is typically located on the driver’s side door jamb or the front windshield. 2. Decoding the Axle Code. To decode the Ford Axle Code, you need to refer to the manufacturer’s specifications or consult an online decoding tool. The code is made up of several ...Ford axle code 31 is commonly associated with the Ford F-450 and F-550 Super Duty trucks. Some common issues for this axle code include excessive bearing wear, fluid leaks, and axle seal failures. Regular maintenance, such as checking and changing the axle fluid, inspecting the seals, and addressing any signs of wear, can help … Ford c1 axle code, The first part identifies the front spring/torsion bar code. The second part identifies the rear spring code. Here is a list of spring codes that can be found on the sticker in your door jamb, along with the spring rating: Front Springs: 1 — 5B326 (RH), 5B327 (LH) torsion bar (F-150, F-250, Explorer/Mountaineer) 2 — 5B326 (RH), 5B327 (LH ..., Mar 10, 2024 · Ford axle sticker code label federal f250 2002 compliance safety codes ranger door number rear tag c1 truck certification chevy Code axle ford codes truck gear option location 1995 2005 series trucks 2008 ford f150 axle code b6. 2002 ford f250 axle code c1. Axle f150Axle 26 code ford f150 Axle f150 fixya doorF150 axle ford code rear 2005 150 ... , 1999 - 2003 7.3L Power Stroke Diesel - C1 axle - I am in the middle of changing oil in my rear differential. I just want to be positive my axle is limited slip. It is labeled as C1, but there is are no L in any of the descriptions., K5 — 5.38 limited slip, F-550. K8 — 4.88 limited slip, F-550. KW — 4.88 non-limited slip, F-550 (wide frame) Or it could be like my 90 and have a C5 axle code which means C= F250 limited slip and 5= 4.10 axle ratio. That should be about enough information to easily identify your axles in the fairly modern ford trucks., Clutch, Transmission, Differential, Axle & Transfer Case - C9 axle code...What's it mean? - Looking at a 97 F250. It has a C9 axle code. Anybody know what ratio this is? Does this code tell if it is a locker? Thanks, DannyP, Posts: 161,998. Likes: 3. Received 58 Likes on 30 Posts. Quote: Originally Posted by mcpalums. Looking at an 03' f250 cc and it has an axle code of c3 which. I believe is 4:3 gears. If this is true I have really never heard of this (usually 4:10's or 3:73's) so how does this affect the truck as far as pulling, mpg's, highway, etc..., 4. Axle Code 27 – 3.31 Open Rear Axle. This code designates an open rear axle with a 3.31 axle ratio. It strikes a balance between fuel economy and performance, being commonly found on F150s equipped with smaller engines. 5. Axle Code K2 – 3.55 Electronic Locking Rear Axle w/ Torsen Differential., , It is a banjo-style axle as is the 8-inch. It was in production on many Ford cars and trucks, first appearing in 1957 and finally replaced by the Salisbury-style 8.8-inch axle in 1986, saving about 50 pounds and boasting increased efficiency. Here is an example of a weld repair on a factory original housing. , Ford Truck Enthusiasts Forums. Older, Classic & Antique Trucks. 1987 - 1996 F150 & Larger F-Series Trucks. 1989 E350 axle code C2 = ??? Notices. 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks., I looked in the Tech folder in this forum, and there are two axle code charts. The first one is in an entry that decodes the entire label, and it says: 41 — 3.73 non-limited slip, F-350 (single rear wheels) Then there's another chart down lower that only lists axle codes, and has less of them. It says. 41- 4.10., Dec 13, 2023 · Decoding Ford rear axle codes can be a bit complex, but by following a step-by-step process, it becomes much easier. Each letter and number in the rear axle code has a specific meaning, allowing you to extract valuable information about your axle. For example, the first two letters of the code indicate the axle’s size and capacity, while the ... , Ford Rear Axle Assembly Identification - Page 17: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: V106A: Ford F250 Pickup 85-86: 3.55: 10.25: NL--V106B: Ford F250 Pickup 85-86:, Ford axle code 31 is commonly associated with the Ford F-450 and F-550 Super Duty trucks. Some common issues for this axle code include excessive bearing wear, fluid leaks, and axle seal failures. Regular maintenance, such as checking and changing the axle fluid, inspecting the seals, and addressing any signs of wear, can help prevent these ..., 1987 - 1996 F150 & Larger F-Series Trucks - Axle codes 35, 45, 65 - I finally got a copy of a Ford manual. In it, it gives three different 4:10 ratio rear axles, with 6250, 7400, and 8250 max trailer ratings., Ford Truck Enthusiasts Forums. Older, Classic & Antique Trucks. 1987 - 1996 F150 & Larger F-Series Trucks. 1989 E350 axle code C2 = ??? Notices. 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks., Front Axle Codes While the parts catalog says "The third digit of the axle code identifies the ratio and/or capacity of the front axle", that is not true. As seen below, there are only 4 codes (2 - 5) and they do not define the axle ratio nor capacity. In fact, to find the front axle ratio you need the codes off the axle itself, as shown here: , Overview. Dexter, a premier manufacturer and distributor of axles, suspension, brakes, doors, venting products, trailer parts and accessories, and towing components serving …, Ford Rear Axle Assembly Identification - Page 04: NOTE: Axle tag location and appearance may vary by application. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WDM-E: Ford Pickup '63-'72 F-100: 3.25: 9 in: NL: 28-WDM-F:, Posts: 1,955. Likes: 0. Received 0 Likes on 0 Posts. My 96 Powerstroke had axle code C5, that is like mentioned 4.10:1. I had the zf5 5 speed tranny and 33s. 4th gear in that tranny is 1:1 like your 3rd gear is and I was able to go 60mph in 4th, really high rpm mind you. Something else to think about here., Clutch, Transmission, Differential, Axle & Transfer Case - C9 axle code...What's it mean? - Looking at a 97 F250. It has a C9 axle code. Anybody know what ratio this is? Does this code tell if it is a locker? Thanks, DannyP, C1 — 3.73 limited slip, F-250/Excursion C2 — 4.10 limited slip, F-250/Excursion C3 — 4.30 limited slip, F-250/Excursion D1 — 3.73 limited slip, F-350 D2 — 4.10 limited slip, F-350 D3 — 4.30 limited slip, F-350 E2 — 4.10 limited slip, F-350 E3 — 4.30 limited slip, F-350 EW — 4.10 limited slip, F-350 (ambulance package), The third character is for the vehicle model code. For example, R3 is Mustang, H7 is F-Series Short Cab, L3 is F150/250. So a 2011 Mustang axle is part number BR3W-4001-KH. The last character designates which Design Engineering Office is responsible for the component. There is a fair amount of detailed information contained within the part ... , Our comprehensive Ford axle code chart is a valuable resource for decoding axle codes. It lists all the known axle codes for various Ford models, allowing you to match the code found on your vehicle with the corresponding differential information., The owner?s wallet card contains the original security code for keyless entry. Owners can typically find this card in the glove compartment of a Ford vehicle upon purchasing it. Th..., The Ford Tri-Motor was a classic airplane used for military and other applications. See specifications for this classic airplane. Advertisement The Ford Tri-Motor classic airplane ..., The BOM stamp (2) or Axle Identification Tags (2A) are used to identify Dana axles / differentials. The BOM will identify the model number, the gear ratio, the type of axle / differential, and component parts. Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61. On some tags, the first 2 digits won't ..., The tag should be: 3S 409H. 3L 73 10 5 1B16. 3S is the Sterling Heights, Michigan Visteon (formerly Sterling) plant. 409H is the axle model and revision. 3L 73 is a 3.73 ratio with Limited Slip. 10 5 is 10.5" ring gear diameter. 1B16 is the manufacturing date code for February 16th 2001. Reply Like., Ford Truck Enthusiasts Forums. Super Duty/Heavy Duty. 1999 to 2016 Super Duty. No axle code on door build sticker. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with …, wire color code chart. Emel. 6.7L Power Stroke Diesel. 2. 10-02-2011 11:29 AM. Door tag Axle code. Festus Hagen. Pre-Power Stroke Diesel (7.3L IDI & 6.9L) 10., All 99 F250 7.3 with either trans have a Ford/Visteon "Sterling" rear axle with 10.5" ring gear and 3.73 axle ratio. So the only question is whether you have LS or not. The axle code on the Federal Certification Label on the lower doorpost behind the driver's door will begin with either a number or a letter., Front Axle Codes While the parts catalog says "The third digit of the axle code identifies the ratio and/or capacity of the front axle", that is not true.As seen below, there are only 4 codes (2 - 5) and they do not define the axle ratio nor capacity.In fact, to find the front axle ratio you need the codes off the axle itself, as shown here:, Ford Truck Enthusiasts Forums. Older, Classic & Antique Trucks. 1987 - 1996 F150 & Larger F-Series Trucks. 1989 E350 axle code C2 = ??? Notices. 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks.