The Dana/Spicer Model 80 is an automotive axle manufactured by

Dana Holding Corporation Dana Incorporated is an American supplier of axles, driveshafts, transmissions, and electrodynamic, thermal, sealing, and digital equipment for conventional, hybrid, and electric-powered vehicles. The company's products and services are aimed ...

and has been used in

OEM An original equipment manufacturer (OEM) is generally perceived as a company that produces non-aftermarket parts and equipment that may be marketed by another manufacturer. It is a common industry term recognized and used by many professional or ...

heavy duty applications by Chevrolet, Dodge, and

Ford Ford commonly refers to: * Ford Motor Company, an automobile manufacturer founded by Henry Ford * Ford (crossing), a shallow crossing on a river Ford may also refer to: Ford Motor Company * Henry Ford, founder of the Ford Motor Company * Ford F ...

. It can be identified by its straight axle tubes, 10 bolt asymmetrical cover, and a "80" cast into the housing. Dana 80's are made as full floating, rear axles only and are step up in overall strength compared to the

Dana 70 The Dana/Spicer Model 70 is an automotive axle manufactured by Dana Holding Corporation and has been used in OEM heavy duty applications by Chevrolet, Dodge, and Ford. It can be identified by its straight axle tubes, 10 bolt asymmetrical cover, ...

. 1988 Ford was the first company to use the Dana 80. The Dana 80 has a GAWR up to , however it is common practice among manufacturers to derate Dana 80's. Gross axle weight ratings are lowered by the vehicle manufacturer for safety and tire reasons. The OEM

Limited slip differential A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts. Limited-slip differentials are often known by the generic tr ...

originally was a "Power Lok" until 1998 when the "Trac Lok" phased it out. Trac Loks were a $350.00 USD option with

Ford Super Duty The Ford Super Duty (short for F-Series Super Duty) is a series of heavy-duty pickup trucks produced by the Ford Motor Company since the 1999 model year. Slotted above the consumer-oriented Ford F-150, the Super Duty trucks are an expansion of ...

trucks. The Dana 80 Trac Lok is unique being it is a 4 pinion unit, unlike other Dana Trac Lok units with 2 pinions. This was the only rear axle available for the 2nd generation Dodge Ram 3500 trucks.http://media.spicerparts.com/cfs/files/media/3kANiJxZLuscAQAE3/5332.pdf?store=original Dodge 2500HD Dana 80

__TOC__

General specifications

* Ring gear measures . * 4" diameter axle tube. * Inner axle shaft spline counts are 35 and 37. * Pinion shaft diameter: * Pinion shaft splines: 37 * Axle Shaft diameter ** 35 Spline: ** 37 Spline: * Gear ratios: 3.23, 3.31, 3.54, 3.73, 4.10, 4.11, 4.30, 4.63, 4.88, 5.13, & 5.38 * Brakes measure 13.39" for 2011 F-350 DRW trucks. * Brakes measure 15.35" for 2011 F-450 trucks (13,050 GVW).

Usage

Class 3 trucks have been common users of the Dana 80 since it was first manufactured in 1988. Dodge used the axle selectively in class 2 trucks from 1994-2002. Ford has made use of the axle in class 4 trucks until 2005 when the

Dana S 110 The Dana/Spicer Model S110 is an automotive axle manufactured by the Dana Holding Corporation and the Eaton Corporation. Eaton manufactures the carrier and Dana manufactures the rest of the axle. The S110 model follows a newer nomenclature for D ...

was phased in.

Common applications

Dodge *1994-2002 3500 *1994-2002 2500 equipped with

manual transmission A manual transmission (MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom, and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission system, where gear change ...

s and

Diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...

V10 A V10 engine is a ten-cylinder piston engine where two banks of five cylinders are arranged in a V configuration around a common crankshaft. V10 engines are much less common than V8 and V12 engines. Several V10 diesel engines have been pr ...

engines Ford *1988-1998 F-350 DRW (Select chassis cabs and pick ups) *1999-2016 F-350 DRW *1988-2004 F-450 *2011-2014 F-450 (13,050 GVW) GM *1991-2002 C3500 HD *Various heavy duty commercial applications Source:Incomplete list. Common applications only.

References

External links

*http://dodgeram.org/tech/specs/axle/286RBI_specs.html *http://www.ringpinion.com/DiffDetails.aspx?DiffID=23&PartsLink=PartCats.aspx%3fSearchMode%3dDiff%26TypeID%3d3%26DiffID%3d23 {{Dana Corporation Automobile axles Automotive engineering