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ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

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M ERITOR ® B RAKE D RUMS F REQUENTLY A SKED Q UESTIONS AFTERMARKET
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Page 1: ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

The resulting Meritor SteelLite X30, with its one-

piece roll-formed steel shell design, proved to

be the ideal solution. This proven drum design

combines lighter weight with the strength of

steel, plus the inherent strength and durability

of a one-piece unit that delivers superior

concentricity and better balance. This one-piece

solution (which requires no welding) is the

result of ArvinMeritor’s expertise in engineering,

metallurgy and manufacturing – advantages that

produce superior results on the job.

Want enduring fl eet effi ciency? Let’s talk.

Genuine Meritor full-

cast brake drums

meet the needs

of customers who

want the durable

performance

of engineering-

approved quality

cast drums, but do not need to be overly concerned

about vehicle weight. In addition, Meritor full-cast

drums require less maintenance, which contributes

to the profi table performance your operation needs

year in and year out. For more information, call

our customer service team at 888-725-9355 or

visit arvinmeritor.com.

MERITOR® BR AKE DRUMSFREQUENTLY ASKED QUEST IONS

Meritor Heavy Vehicle Systems, LLC7975 Dixie Highway

Florence, Kentucky 41042 USA888-725-9355

XpresswayPlus.arvinmeritor.comarvinmeritor.com

Litho in USAIssued 12-09SP-1007 (13028/11900)©2009 ArvinMeritor, Inc.

AF

TER

MA

RK

ET

What defi nes a lightweight drum, and what are my options?

Typically, lightweight drums include several

alternatives to the traditional full-cast drum. Most

are composite steel shells or cast lightweight.

Some composite steel shell drums consist of two

steel halves that are welded together to form a single

drum. This reduces the weight vs. full-cast, but may

create other problems, including balance issues

created by the welds, which can affect operating

performance. External weights are often used to

assist in correcting the balance issues, but these can

increase the overall weight of the drum. If weld-on

weights come loose, they can also lead to vibration

and component wear concerns.

Other lightweight drum options include the use of

standard gray cast iron. However, the weight savings

is a result of removing material or reducing section

thickness in the drum’s design. Removing weight

from a standard cast drum may affect its strength

characteristics which can lead to reduced durability.

In designing the ideal lightweight drum solution, the

highly experienced engineering team at ArvinMeritor

agreed that a one-piece design that maintains

structural integrity would be ideal, especially when

manufactured from material that combines strength

and light weight.

Page 2: ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

There are many different kinds of brake drums available.

These FAQs are designed to outline Meritor® full-cast

brake drums vs. other full-cast drum options.

Why purchase a Meritor full-cast brake drum vs. other available options?

In heavy-duty applications where strength and durability

are essential and weight savings are not crucial, genuine

Meritor full-cast brake drums can be the best option.

The combination of advantages provided by Meritor

full-cast brake drums have been proven year after

year to work well in many vocational and off-highway

applications.

When are the strengths of full-cast brake drums absolutely needed?

Certain applications are ideal for full-cast brake drums,

and some are not. The heavier weight of the full-cast

drums adds to the overall weight of the vehicle, reducing

the potential payload. If hauling long-distance loads is

the norm for your operation, the upfront investment in a

lightweight drum, such as the SteelLite X30,™ could be

benefi cial when considering payload capacity.

If your application requires higher heat dissipation or

frequent stops, full-cast drums may be the right choice.

Meritor full-cast drums provide excellent strength and

durability at a low cost.

What are the main alternatives to full-cast brake drums?

In addition to industry-standard genuine Meritor full-

cast drums, there are other full-cast drum options,

including value drums and import drums. Value

drums can offer a lower price, but have a number

of disadvantages associated with them. Similarly,

import brake drums can offer a value price, but

present a different set of disadvantages.

The lightweight drums are available for certain

applications, but require careful selection in order to

ensure adequate durability.

What are the main advantages/disadvantages of value cast drums?

Value cast drums can offer a lower price, but there

are several recognized disadvantages.

First, value drums are often cast without a squealer

band, or with a very small squealer band. A squealer

band is a band of extra material found on genuine

full-cast drums that adds the extra strength needed

to assure long-lasting durability and long-lasting

service for your business operation. The absence of

a squealer band can also take away the Machine-

to-Balance option, which genuine Meritor full-cast

drums use to assure smooth performance.

Another disadvantage of value drums is that less

material is used to make them, so that each value

drum weighs about 8 to 9 pounds less.

The additional mass in a standard full-cast brake

drum provides greater absorption of the heat

created during braking than a lighter drum does.

The full-cast drum absorbs the heat during braking

and transfers it away from the brake lining material

to keep the lining from overheating so that good

braking performance is maintained.

Lighter full-cast drums react differently to extreme

braking heat, and when they cannot absorb or

transfer the heat successfully, they can show

evidence of drum failure by cracking, by becoming

distorted, by failing prematurely, by reduced lining life

or by exhibiting poor fade recovery time.

An added problem with value drums is the absence

of strict quality controls in manufacturing, which can

result in faulty metallurgical makeup. This inherent

weakness in metallurgy can result in increased

maintenance while reducing durability.

Why are genuine Meritor full-cast drums a better option than value cast drums?

Strength and durability are two advantages that

enable fl eets to receive the full value of their

investment in drum technology. With genuine Meritor

full-cast drums, there is no question that long life

and solid performance will not only return the full

value to the fl eet, but also deliver better business

performance. Meritor full-cast drums provide greater

uptime and reduced maintenance, working longer

hours and earning higher profi tability.

Correct metallurgical makeup, certifi ed machined

tolerance levels and manufacturing according to

ISO-certifi ed processes, combined with dynamometer

testing, give the assurance of a high-quality product

that will perform for many years of profi table service.

Equally important, the Meritor full-cast drum is

supported by complete warranty coverage.

Ideal applications for full-cast brake drums are

short-haul applications in which higher fuel costs

are offset by lower equipment costs and reduced

annual maintenance. These short-haul applications

include dump truck hauling, construction, refuse,

severe service, cement mixers, logging, mining

and other hauling that frequently involves traveling

off-highway.

The Meritor full-cast drum is manufactured

from premium-grade cast iron using state-of-

the-art casting and machining facilities to meet

ArvinMeritor’s exacting quality and engineering

standards. Rigorous testing and high-tolerance

machining deliver optimum braking performance,

signifi cantly reducing the risk of brake shudder and

ensuring longer life of both drums and linings.

Excellent performance and uniformity at an

economical price is a distinct advantage of the

Meritor full-cast drum. And beyond the initial

cost, Meritor full-cast drums keep on saving you

money – with the durability to deliver the payload

your business needs, year in and year out, while

keeping maintenance at a minimum.

What are the main advantages/disadvantages of import full-cast drums?

Import drums can also offer a lower price, but there are

key disadvantages with this option as well.

When ordering, import drums often require much longer

lead times because they are manufactured overseas.

Consequently, inventories are often infl ated, which can

create unexpected delays in shipping deadlines.

Even more important is the absence of regulated

quality manufacturing controls. This lack of regulations

can cause problems in product performance.

Why are genuine Meritor full-cast drums a better option than import full-cast drums?

Genuine Meritor full-cast drums provide many benefi ts

and advantages, from delivery to dependability to

durability. First, shorter lead times allow inventory

levels that can improve your delivery schedules.

Second, genuine Meritor full-cast drums are

designed and manufactured to meet engineering-

approved specifi cations, which ensures original

equipment performance.

Equally important, with genuine Meritor full-cast drums,

you have the advantage of complete warranty coverage

and support.

What about drums with machine-drilled mounting holes?

Meritor full-cast drums are produced with both

machine-drilled and cast-in mounting holes – to fi t

either type of mounting.

The current mounting standard is hub-piloted. The

other type of mounting, stud-piloted, is not the

current standard.

Machine-drilled holes are commonly used in stud-

piloted applications but can also be used in hub-

piloted applications. Cast-mounted holes are used

on drums that are hub-piloted and normally are cast

larger than a machine hole would be. These holes

are not used to center the drum on the hub and

should not be used for that purpose.

ArvinMeritor manufactures a range of drums with

either type of hole, and most are interchangeable.

Frequently Asked Questions.

Page 3: ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

There are many different kinds of brake drums available.

These FAQs are designed to outline Meritor® full-cast

brake drums vs. other full-cast drum options.

Why purchase a Meritor full-cast brake drum vs. other available options?

In heavy-duty applications where strength and durability

are essential and weight savings are not crucial, genuine

Meritor full-cast brake drums can be the best option.

The combination of advantages provided by Meritor

full-cast brake drums have been proven year after

year to work well in many vocational and off-highway

applications.

When are the strengths of full-cast brake drums absolutely needed?

Certain applications are ideal for full-cast brake drums,

and some are not. The heavier weight of the full-cast

drums adds to the overall weight of the vehicle, reducing

the potential payload. If hauling long-distance loads is

the norm for your operation, the upfront investment in a

lightweight drum, such as the SteelLite X30,™ could be

benefi cial when considering payload capacity.

If your application requires higher heat dissipation or

frequent stops, full-cast drums may be the right choice.

Meritor full-cast drums provide excellent strength and

durability at a low cost.

What are the main alternatives to full-cast brake drums?

In addition to industry-standard genuine Meritor full-

cast drums, there are other full-cast drum options,

including value drums and import drums. Value

drums can offer a lower price, but have a number

of disadvantages associated with them. Similarly,

import brake drums can offer a value price, but

present a different set of disadvantages.

The lightweight drums are available for certain

applications, but require careful selection in order to

ensure adequate durability.

What are the main advantages/disadvantages of value cast drums?

Value cast drums can offer a lower price, but there

are several recognized disadvantages.

First, value drums are often cast without a squealer

band, or with a very small squealer band. A squealer

band is a band of extra material found on genuine

full-cast drums that adds the extra strength needed

to assure long-lasting durability and long-lasting

service for your business operation. The absence of

a squealer band can also take away the Machine-

to-Balance option, which genuine Meritor full-cast

drums use to assure smooth performance.

Another disadvantage of value drums is that less

material is used to make them, so that each value

drum weighs about 8 to 9 pounds less.

The additional mass in a standard full-cast brake

drum provides greater absorption of the heat

created during braking than a lighter drum does.

The full-cast drum absorbs the heat during braking

and transfers it away from the brake lining material

to keep the lining from overheating so that good

braking performance is maintained.

Lighter full-cast drums react differently to extreme

braking heat, and when they cannot absorb or

transfer the heat successfully, they can show

evidence of drum failure by cracking, by becoming

distorted, by failing prematurely, by reduced lining life

or by exhibiting poor fade recovery time.

An added problem with value drums is the absence

of strict quality controls in manufacturing, which can

result in faulty metallurgical makeup. This inherent

weakness in metallurgy can result in increased

maintenance while reducing durability.

Why are genuine Meritor full-cast drums a better option than value cast drums?

Strength and durability are two advantages that

enable fl eets to receive the full value of their

investment in drum technology. With genuine Meritor

full-cast drums, there is no question that long life

and solid performance will not only return the full

value to the fl eet, but also deliver better business

performance. Meritor full-cast drums provide greater

uptime and reduced maintenance, working longer

hours and earning higher profi tability.

Correct metallurgical makeup, certifi ed machined

tolerance levels and manufacturing according to

ISO-certifi ed processes, combined with dynamometer

testing, give the assurance of a high-quality product

that will perform for many years of profi table service.

Equally important, the Meritor full-cast drum is

supported by complete warranty coverage.

Ideal applications for full-cast brake drums are

short-haul applications in which higher fuel costs

are offset by lower equipment costs and reduced

annual maintenance. These short-haul applications

include dump truck hauling, construction, refuse,

severe service, cement mixers, logging, mining

and other hauling that frequently involves traveling

off-highway.

The Meritor full-cast drum is manufactured

from premium-grade cast iron using state-of-

the-art casting and machining facilities to meet

ArvinMeritor’s exacting quality and engineering

standards. Rigorous testing and high-tolerance

machining deliver optimum braking performance,

signifi cantly reducing the risk of brake shudder and

ensuring longer life of both drums and linings.

Excellent performance and uniformity at an

economical price is a distinct advantage of the

Meritor full-cast drum. And beyond the initial

cost, Meritor full-cast drums keep on saving you

money – with the durability to deliver the payload

your business needs, year in and year out, while

keeping maintenance at a minimum.

What are the main advantages/disadvantages of import full-cast drums?

Import drums can also offer a lower price, but there are

key disadvantages with this option as well.

When ordering, import drums often require much longer

lead times because they are manufactured overseas.

Consequently, inventories are often infl ated, which can

create unexpected delays in shipping deadlines.

Even more important is the absence of regulated

quality manufacturing controls. This lack of regulations

can cause problems in product performance.

Why are genuine Meritor full-cast drums a better option than import full-cast drums?

Genuine Meritor full-cast drums provide many benefi ts

and advantages, from delivery to dependability to

durability. First, shorter lead times allow inventory

levels that can improve your delivery schedules.

Second, genuine Meritor full-cast drums are

designed and manufactured to meet engineering-

approved specifi cations, which ensures original

equipment performance.

Equally important, with genuine Meritor full-cast drums,

you have the advantage of complete warranty coverage

and support.

What about drums with machine-drilled mounting holes?

Meritor full-cast drums are produced with both

machine-drilled and cast-in mounting holes – to fi t

either type of mounting.

The current mounting standard is hub-piloted. The

other type of mounting, stud-piloted, is not the

current standard.

Machine-drilled holes are commonly used in stud-

piloted applications but can also be used in hub-

piloted applications. Cast-mounted holes are used

on drums that are hub-piloted and normally are cast

larger than a machine hole would be. These holes

are not used to center the drum on the hub and

should not be used for that purpose.

ArvinMeritor manufactures a range of drums with

either type of hole, and most are interchangeable.

Frequently Asked Questions.

Page 4: ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

There are many different kinds of brake drums available.

These FAQs are designed to outline Meritor® full-cast

brake drums vs. other full-cast drum options.

Why purchase a Meritor full-cast brake drum vs. other available options?

In heavy-duty applications where strength and durability

are essential and weight savings are not crucial, genuine

Meritor full-cast brake drums can be the best option.

The combination of advantages provided by Meritor

full-cast brake drums have been proven year after

year to work well in many vocational and off-highway

applications.

When are the strengths of full-cast brake drums absolutely needed?

Certain applications are ideal for full-cast brake drums,

and some are not. The heavier weight of the full-cast

drums adds to the overall weight of the vehicle, reducing

the potential payload. If hauling long-distance loads is

the norm for your operation, the upfront investment in a

lightweight drum, such as the SteelLite X30,™ could be

benefi cial when considering payload capacity.

If your application requires higher heat dissipation or

frequent stops, full-cast drums may be the right choice.

Meritor full-cast drums provide excellent strength and

durability at a low cost.

What are the main alternatives to full-cast brake drums?

In addition to industry-standard genuine Meritor full-

cast drums, there are other full-cast drum options,

including value drums and import drums. Value

drums can offer a lower price, but have a number

of disadvantages associated with them. Similarly,

import brake drums can offer a value price, but

present a different set of disadvantages.

The lightweight drums are available for certain

applications, but require careful selection in order to

ensure adequate durability.

What are the main advantages/disadvantages of value cast drums?

Value cast drums can offer a lower price, but there

are several recognized disadvantages.

First, value drums are often cast without a squealer

band, or with a very small squealer band. A squealer

band is a band of extra material found on genuine

full-cast drums that adds the extra strength needed

to assure long-lasting durability and long-lasting

service for your business operation. The absence of

a squealer band can also take away the Machine-

to-Balance option, which genuine Meritor full-cast

drums use to assure smooth performance.

Another disadvantage of value drums is that less

material is used to make them, so that each value

drum weighs about 8 to 9 pounds less.

The additional mass in a standard full-cast brake

drum provides greater absorption of the heat

created during braking than a lighter drum does.

The full-cast drum absorbs the heat during braking

and transfers it away from the brake lining material

to keep the lining from overheating so that good

braking performance is maintained.

Lighter full-cast drums react differently to extreme

braking heat, and when they cannot absorb or

transfer the heat successfully, they can show

evidence of drum failure by cracking, by becoming

distorted, by failing prematurely, by reduced lining life

or by exhibiting poor fade recovery time.

An added problem with value drums is the absence

of strict quality controls in manufacturing, which can

result in faulty metallurgical makeup. This inherent

weakness in metallurgy can result in increased

maintenance while reducing durability.

Why are genuine Meritor full-cast drums a better option than value cast drums?

Strength and durability are two advantages that

enable fl eets to receive the full value of their

investment in drum technology. With genuine Meritor

full-cast drums, there is no question that long life

and solid performance will not only return the full

value to the fl eet, but also deliver better business

performance. Meritor full-cast drums provide greater

uptime and reduced maintenance, working longer

hours and earning higher profi tability.

Correct metallurgical makeup, certifi ed machined

tolerance levels and manufacturing according to

ISO-certifi ed processes, combined with dynamometer

testing, give the assurance of a high-quality product

that will perform for many years of profi table service.

Equally important, the Meritor full-cast drum is

supported by complete warranty coverage.

Ideal applications for full-cast brake drums are

short-haul applications in which higher fuel costs

are offset by lower equipment costs and reduced

annual maintenance. These short-haul applications

include dump truck hauling, construction, refuse,

severe service, cement mixers, logging, mining

and other hauling that frequently involves traveling

off-highway.

The Meritor full-cast drum is manufactured

from premium-grade cast iron using state-of-

the-art casting and machining facilities to meet

ArvinMeritor’s exacting quality and engineering

standards. Rigorous testing and high-tolerance

machining deliver optimum braking performance,

signifi cantly reducing the risk of brake shudder and

ensuring longer life of both drums and linings.

Excellent performance and uniformity at an

economical price is a distinct advantage of the

Meritor full-cast drum. And beyond the initial

cost, Meritor full-cast drums keep on saving you

money – with the durability to deliver the payload

your business needs, year in and year out, while

keeping maintenance at a minimum.

What are the main advantages/disadvantages of import full-cast drums?

Import drums can also offer a lower price, but there are

key disadvantages with this option as well.

When ordering, import drums often require much longer

lead times because they are manufactured overseas.

Consequently, inventories are often infl ated, which can

create unexpected delays in shipping deadlines.

Even more important is the absence of regulated

quality manufacturing controls. This lack of regulations

can cause problems in product performance.

Why are genuine Meritor full-cast drums a better option than import full-cast drums?

Genuine Meritor full-cast drums provide many benefi ts

and advantages, from delivery to dependability to

durability. First, shorter lead times allow inventory

levels that can improve your delivery schedules.

Second, genuine Meritor full-cast drums are

designed and manufactured to meet engineering-

approved specifi cations, which ensures original

equipment performance.

Equally important, with genuine Meritor full-cast drums,

you have the advantage of complete warranty coverage

and support.

What about drums with machine-drilled mounting holes?

Meritor full-cast drums are produced with both

machine-drilled and cast-in mounting holes – to fi t

either type of mounting.

The current mounting standard is hub-piloted. The

other type of mounting, stud-piloted, is not the

current standard.

Machine-drilled holes are commonly used in stud-

piloted applications but can also be used in hub-

piloted applications. Cast-mounted holes are used

on drums that are hub-piloted and normally are cast

larger than a machine hole would be. These holes

are not used to center the drum on the hub and

should not be used for that purpose.

ArvinMeritor manufactures a range of drums with

either type of hole, and most are interchangeable.

Frequently Asked Questions.

Page 5: ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

The resulting Meritor SteelLite X30, with its one-

piece roll-formed steel shell design, proved to

be the ideal solution. This proven drum design

combines lighter weight with the strength of

steel, plus the inherent strength and durability

of a one-piece unit that delivers superior

concentricity and better balance. This one-piece

solution (which requires no welding) is the

result of ArvinMeritor’s expertise in engineering,

metallurgy and manufacturing – advantages that

produce superior results on the job.

Want enduring fl eet effi ciency? Let’s talk.

Genuine Meritor full-

cast brake drums

meet the needs

of customers who

want the durable

performance

of engineering-

approved quality

cast drums, but do not need to be overly concerned

about vehicle weight. In addition, Meritor full-cast

drums require less maintenance, which contributes

to the profi table performance your operation needs

year in and year out. For more information, call

our customer service team at 888-725-9355 or

visit arvinmeritor.com.

MERITOR® BR AKE DRUMSFREQUENTLY ASKED QUEST IONS

Meritor Heavy Vehicle Systems, LLC7975 Dixie Highway

Florence, Kentucky 41042 USA888-725-9355

XpresswayPlus.arvinmeritor.comarvinmeritor.com

Litho in USAIssued 12-09SP-1007 (13028/11900)©2009 ArvinMeritor, Inc.

AF

TER

MA

RK

ET

What defi nes a lightweight drum, and what are my options?

Typically, lightweight drums include several

alternatives to the traditional full-cast drum. Most

are composite steel shells or cast lightweight.

Some composite steel shell drums consist of two

steel halves that are welded together to form a single

drum. This reduces the weight vs. full-cast, but may

create other problems, including balance issues

created by the welds, which can affect operating

performance. External weights are often used to

assist in correcting the balance issues, but these can

increase the overall weight of the drum. If weld-on

weights come loose, they can also lead to vibration

and component wear concerns.

Other lightweight drum options include the use of

standard gray cast iron. However, the weight savings

is a result of removing material or reducing section

thickness in the drum’s design. Removing weight

from a standard cast drum may affect its strength

characteristics which can lead to reduced durability.

In designing the ideal lightweight drum solution, the

highly experienced engineering team at ArvinMeritor

agreed that a one-piece design that maintains

structural integrity would be ideal, especially when

manufactured from material that combines strength

and light weight.

Page 6: ERITOR RAKE RUMS REQUENTLY SKED UESTIONS

The resulting Meritor SteelLite X30, with its one-

piece roll-formed steel shell design, proved to

be the ideal solution. This proven drum design

combines lighter weight with the strength of

steel, plus the inherent strength and durability

of a one-piece unit that delivers superior

concentricity and better balance. This one-piece

solution (which requires no welding) is the

result of ArvinMeritor’s expertise in engineering,

metallurgy and manufacturing – advantages that

produce superior results on the job.

Want enduring fl eet effi ciency? Let’s talk.

Genuine Meritor full-

cast brake drums

meet the needs

of customers who

want the durable

performance

of engineering-

approved quality

cast drums, but do not need to be overly concerned

about vehicle weight. In addition, Meritor full-cast

drums require less maintenance, which contributes

to the profi table performance your operation needs

year in and year out. For more information, call

our customer service team at 888-725-9355 or

visit arvinmeritor.com.

MERITOR® BR AKE DRUMSFREQUENTLY ASKED QUEST IONS

Meritor Heavy Vehicle Systems, LLC7975 Dixie Highway

Florence, Kentucky 41042 USA888-725-9355

XpresswayPlus.arvinmeritor.comarvinmeritor.com

Litho in USAIssued 12-09SP-1007 (13028/11900)©2009 ArvinMeritor, Inc.

AF

TER

MA

RK

ET

What defi nes a lightweight drum, and what are my options?

Typically, lightweight drums include several

alternatives to the traditional full-cast drum. Most

are composite steel shells or cast lightweight.

Some composite steel shell drums consist of two

steel halves that are welded together to form a single

drum. This reduces the weight vs. full-cast, but may

create other problems, including balance issues

created by the welds, which can affect operating

performance. External weights are often used to

assist in correcting the balance issues, but these can

increase the overall weight of the drum. If weld-on

weights come loose, they can also lead to vibration

and component wear concerns.

Other lightweight drum options include the use of

standard gray cast iron. However, the weight savings

is a result of removing material or reducing section

thickness in the drum’s design. Removing weight

from a standard cast drum may affect its strength

characteristics which can lead to reduced durability.

In designing the ideal lightweight drum solution, the

highly experienced engineering team at ArvinMeritor

agreed that a one-piece design that maintains

structural integrity would be ideal, especially when

manufactured from material that combines strength

and light weight.


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