Certification Label Codes

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Feb 9, 2018 | 11:48 PM

Hubby

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Certification Label Codes

Hi,
I just joined today. I went through a lot of VIN and certification label code threads but was unable to find how to decode either. I am most interested in the Transmission (whether Mazda or ZF) and in the axle gear ratio. If anyone can decode the VIN and cert label I would appreciate it much. Can you tell the difference between Mazda and ZF by looking at them?

I have a 1994 F150 regular cab 4.9 4x4 1FTEF14Y6RNA83783. The certification label reads

WB "133"
TRANS "M"
AXLE "H9"
TYPE-GVW "F142"
BODY "B64"
TRANS "M"
AXLE "H9"
TAPE
SPRINGS "K I"

Thanks

Feb 10, 2018 | 12:09 AM

roboto65

Mountain Pass

Joined: Apr 2015

Posts: 247

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From: Conroe,TX

General Information

MFR model code F14
Body type:

Pass Doors: 0
Alternative name:

Alternative body:

Drivetrain:

Original Pricing

MSRP $16,733.00
Invoice $14,378.00
Destination Charge $600.00

Engine & Powertrain

Type Straight 6 Cylinder Engine
Displacement L/CI 4.9/300
Fuel Type Gasoline Fuel
Horsepower @
Fuel Economy 0.0 City / 0.0 Highway
Fuel Capacity 0.0
Net Torque @

Tech Specs

Manufactured By United States Ford
Mazda M5OD Transmission

H9 83/ 3.55 3.75M Ford Limited Slip
H9 87/ 3.55 3.8M Ford

Feb 10, 2018 | 01:49 PM

Hubby

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Joined: Feb 2018

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When I returned to the post the VIN was hilighted for decoding. When I clicked it said the axle is 3.08 and I couldn't see where the Mazda transmission was mentioned. Why do you say 3.55? Where do you see the Mazda?

Feb 10, 2018 | 01:56 PM

Mudsport96

Logistics Pro

Joined: Aug 2010

Posts: 3,716

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From: Chillicothe

Well easiest way to know it's the Mazda m5od is because it is a 150. The zf5 only came in the 250/350 chassis.

Feb 10, 2018 | 02:37 PM

Conanski

FTE Legend

Joined: Jun 2006

Posts: 31,930

Likes: 1,499

From: Ottawa, Ontario

Check this link.. https://www.ford-trucks.com/articles...le-code-chart/

Feb 10, 2018 | 04:52 PM

Hubby

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Thanks much for the reply. I guess everyone knew that about the ZF but me.

. Did all 250/350 5-speeds have them?

Looking at the axle code chart it says H9 3.55 1991. Does that mean 1991 and years following? What does limited slip do? I think I read you have to add something to the grease - what is that?

Feb 10, 2018 | 05:07 PM

Conanski

FTE Legend

Joined: Jun 2006

Posts: 31,930

Likes: 1,499

From: Ottawa, Ontario

Quote:

Originally Posted by Hubby

Looking at the axle code chart it says H9 3.55 1991. Does that mean 1991 and years following?

No, both my '89 and '90 trucks has the same axle code, I suspect the 1991 reference just signifies the source date of the data.

Quote:

Originally Posted by Hubby

What does limited slip do? I think I read you have to add something to the grease - what is that?

It is a type of differential that limits the amount of slip between both wheels on the axle. A friction modifier additive is used to smooth the gripping action of the clutches contained in the differential.