Motion Trucking Parts

Premium Heavy-Duty Steer Axle Brake Drum

The Motion Trucking Parts 3800X Balanced Front Brake Drum is engineered for demanding heavy-duty commercial truck applications. Manufactured from premium high-strength cast iron and precision balanced for smooth operation, this brake drum delivers outstanding braking performance, superior heat dissipation, and extended service life.

Designed to meet or exceed OEM specifications, the 3800X provides exceptional durability, dimensional accuracy, and consistent braking performance for fleets, owner-operators, and repair facilities.

Features

• Premium balanced brake drum

• Manufactured from high-strength cast iron

• Precision machined for OE fit and performance

• Excellent heat dissipation for reduced brake fade

• Precision balanced to minimize vibration

• Heavy-duty construction for long service life

• Engineered for steer axle applications

• Meets or exceeds OEM specifications

• 100% quality inspected before shipment

Specifications

Brand: Motion Trucking Parts

Part Number: MTP-3800X

Position: Front / Steer Axle

Brake Drum Type: Balanced

Material: Premium Cast Iron

Mounting Type: Outboard

Wheel Type: Disc

Weight: 81 lbs

Bolt Hole Quantity: 10

Bolt Circle Diameter: 11.25 in

Bolt Hole Diameter: 1.35 in

Maximum Brake Diameter: 15.00 in

Maximum Wear Diameter: 15.12 in

Brake Shoe Width: 4.00 in

Brake Surface Width: 4.61 in

Overall Depth: 9.18 in

Mounting Flange Thickness: 0.50 in

Compatible Brake Shoes

This brake drum is designed for 15" × 4" brake shoe assemblies, including:

• 1308Q

• 1308E

• 4702Q / 4702QP (Meritor Q Plus steer axle applications)

• Compatible with Meritor Q Plus 15" × 4" steer axle brake systems.

Cross Reference

Replaces or Interchanges with:

Gunite

• 3800X

• 3726X

• 9001X

ConMet

• CM10009920

• 10009920

• 107164

Webb

• 65548B

• 65545B

Meritor / Rockwell

• 85-123448-002

• 8512344800

Alliance

• ABP N42A154B

Road Choice

• BD1504X-44

Applications

• Heavy-duty commercial trucks

• Class 8 tractors

• Steer axle applications

• Fleet maintenance

• Owner-operators

• Truck repair facilities

Why Choose Motion Trucking Parts?

At Motion Trucking Parts, we are committed to supplying premium-quality heavy-duty brake components that fleets can depend on. Every brake drum is manufactured with strict quality standards to ensure reliable braking performance, extended service life, and dependable operation under the toughest road conditions.

Motion Trucking Parts — Premium Quality Heavy-Duty Truck Parts Built for Performance.

Our 3807A Balanced Brake Drum is engineered to provide exceptional braking performance for heavy-duty commercial trucks. Manufactured from premium high-strength cast iron and precision balanced to reduce vibration, this brake drum delivers smooth braking, superior heat dissipation, and long-lasting durability in demanding fleet operations.

Designed as a direct replacement for OEM 3807A applications, this brake drum is precision machined to ensure consistent brake shoe contact, dependable stopping power, and extended brake system life. Its robust construction makes it ideal for fleets, repair shops, and owner-operators who demand reliable performance on every mile.

Features

• Precision balanced for smooth, vibration-free braking

• Premium high-strength cast iron construction

• Excellent heat dissipation helps reduce brake fade

• Precision-machined braking surface for consistent stopping performance

• Direct OEM replacement for easy installation

• Outboard mounting design for simplified brake service

• Built for heavy-duty commercial truck applications

• Ideal for fleets, repair facilities, and owner-operators

Specifications

• Industry Part Number: 3807A

• Brake Size: 16.5" × 7.00"

• Mounting Type: Outboard

• Bolt Holes: 10

• Bolt Circle Diameter: 11.25"

• Pilot Diameter: 8.78"

• Material: Premium Cast Iron

• Balanced: Yes

• Approximate Weight: 118 lb per drum

Common Cross Reference Numbers

• Gunite: 3807A, 3807AX

• Webb: 66864B

• ConMet: 10012574

• Meritor: 3214X

• Automann: 151.3807A

Always verify your OEM or interchange part number before ordering.

Applications

Fits many heavy-duty commercial truck drive axle and trailer applications using a 16.5" × 7" outboard-mounted brake drum. Commonly paired with 4707 brake shoes. Always verify brake dimensions and OEM part numbers to ensure proper fitment.

Why Choose Our Balanced Brake Drums?

Our balanced brake drums are manufactured to meet or exceed OEM specifications, providing reliable braking performance, reduced vibration, and extended service life. Built for demanding commercial trucking environments, they deliver the strength, durability, and consistent performance that fleets and owner-operators rely on every day.

Brand: Motion Trucking Parts
Part Number: MTP-4702-23K
Condition: Brand New
Core Required: No Core Needed
Lining: 23K Heavy-Duty Brake Lining
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Product Description

Motion Trucking Parts 4702 Brake Shoes with 23K lining are designed for dependable braking performance in heavy-duty commercial truck and trailer applications. Manufactured as a brand-new brake shoe assembly, these shoes provide a convenient replacement option without the hassle or additional cost of returning old brake shoe cores.

The 23K friction lining is designed for demanding commercial applications where consistent stopping performance, durability, and long service life are important. The brake shoes are ready for installation and are an excellent choice for fleets, repair shops, owner-operators, and heavy-duty truck parts distributors.

Key Features

• 4702 brake shoe configuration

• 23K heavy-duty friction lining

• Brand-new brake shoes — not remanufactured

• No core required

• No core charge or core return

• Heavy-duty steel shoe construction

• Designed for reliable and consistent braking

• Built for demanding commercial truck and trailer service

• Ideal for fleet maintenance and brake replacement

• Ready for installation

Applications

Commonly used in compatible heavy-duty trucks, tractors, trailers, and commercial vehicle brake systems requiring 4702-style brake shoes.

Why Choose Motion 4702 Brake Shoes?

Unlike remanufactured brake shoes that may require a core deposit and return, Motion Trucking Parts 4702 brake shoes are supplied completely brand new with no core needed. This makes replacement faster and easier while eliminating the inconvenience of storing, shipping, or returning used brake shoes.

Important: Brake shoe fitment can vary by axle and brake configuration. Verify the 4702 brake shoe specification and lining requirements before ordering.

Brand: Motion Trucking Parts
Part Number: MTP-4707-23K
Condition: Brand New
Core Required: No Core Needed
Lining: 23K Heavy-Duty Brake Lining
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Product Description

Motion Trucking Parts 4707 Brake Shoes with 23K lining are designed for dependable braking performance in heavy-duty commercial truck and trailer applications. Manufactured as a brand-new brake shoe assembly, these shoes provide a convenient replacement option without the hassle or additional cost of returning old brake shoe cores.

The 23K friction lining is designed for demanding commercial applications where consistent stopping performance, durability, and long service life are important. The brake shoes are ready for installation and are an excellent choice for fleets, repair shops, owner-operators, and heavy-duty truck parts distributors.

Key Features

• 4707 brake shoe configuration

• 23K heavy-duty friction lining

• Brand-new brake shoes — not remanufactured

• No core required

• No core charge or core return

• Heavy-duty steel shoe construction

• Designed for reliable and consistent braking

• Built for demanding commercial truck and trailer service

• Ideal for fleet maintenance and brake replacement

• Ready for installation

Applications

Commonly used in compatible heavy-duty trucks, tractors, trailers, and commercial vehicle brake systems requiring 4707-style brake shoes.

Why Choose Motion 4707 Brake Shoes?

Unlike remanufactured brake shoes that may require a core deposit and return, Motion Trucking Parts 4707 brake shoes are supplied completely brand new with no core needed. This makes replacement faster and easier while eliminating the inconvenience of storing, shipping, or returning used brake shoes.

Important: Brake shoe fitment can vary by axle and brake configuration. Verify the 4707 brake shoe specification and lining requirements before ordering.

Brand: Motion Trucking Parts
Part Number: MTP-4711-23K
Condition: Brand New
Core Required: No Core Needed
Lining: 23K Heavy-Duty Brake Lining
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Product Description

Motion Trucking Parts 4711 Brake Shoes with 23K lining provide dependable braking performance for compatible heavy-duty commercial truck and trailer applications. Manufactured as brand-new brake shoe assemblies, they eliminate the need for a core exchange and make brake replacement easier for commercial vehicle operators and repair facilities.

The 23K friction lining is designed for heavy-duty service, providing reliable stopping performance, durability, and consistent braking characteristics throughout normal commercial operation.

Key Features

• 4711 brake shoe configuration

• 23K heavy-duty friction lining

• Brand-new construction

• Not remanufactured

• No core required

• No core charge or return

• Heavy-duty steel shoe construction

• Reliable and consistent braking performance

• Suitable for demanding commercial applications

• Ready for installation

Applications

Commonly used in compatible heavy-duty trucks, tractors, trailers, and commercial air brake systems requiring 4711-style brake shoes.

Why Choose Motion 4711 Brake Shoes?

Motion Trucking Parts 4711 brake shoes provide the convenience of a completely new brake shoe with no core needed. There is no need to keep track of old brake shoes, pay a core deposit, or arrange a core return.

Important: Brake configurations vary between vehicles and axles. Confirm the 4711 brake shoe specification and lining requirements before ordering.

Brand: Motion Trucking Parts
Part Number: MTP-4719-23K
Condition: Brand New
Core Required: No Core Needed
Lining: 23K Heavy-Duty Brake Lining
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Product Description

Motion Trucking Parts 4719 Brake Shoes with 23K lining are designed for dependable braking performance in compatible heavy-duty commercial truck and trailer applications. Each brake shoe assembly is supplied completely brand new, eliminating the need for core exchanges associated with many remanufactured brake shoe products.

The 23K heavy-duty friction lining is designed to deliver reliable braking performance, durability, and consistent operation in demanding commercial vehicle service.

Key Features

• 4719 brake shoe configuration

• 23K heavy-duty friction lining

• Brand-new brake shoes

• Not remanufactured

• No core required

• No core deposit or return

• Durable heavy-duty steel construction

• Reliable and consistent braking performance

• Designed for commercial truck and trailer applications

• Ideal for fleet maintenance and brake replacement

• Ready for installation

Applications

Commonly used in compatible heavy-duty trucks, tractors, trailers, and commercial vehicle air brake systems requiring 4719-style brake shoes.

Why Choose Motion 4719 Brake Shoes?

Motion Trucking Parts 4719 brake shoes are supplied brand new with no core needed, making replacement easier for fleets, repair shops, and owner-operators. There is no need to store used brake shoes, pay a core charge, or arrange a return.

Important: Confirm the 4719 brake shoe specification, axle application, and lining requirements before ordering.

Brand: Motion Trucking Parts
Part Number: MTP-4720-23K
Condition: Brand New
Core Required: No Core Needed
Lining: 23K Heavy-Duty Brake Lining
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Product Description

Motion Trucking Parts 4720 Brake Shoes with 23K lining are built for dependable braking performance in demanding heavy-duty truck and trailer applications. Each assembly is supplied brand new, providing a straightforward replacement without requiring customers to return used brake shoe cores.

The 23K heavy-duty friction lining provides consistent braking performance and durability for commercial vehicles operating under demanding conditions. These brake shoes are a practical replacement solution for fleets, owner-operators, repair facilities, and commercial truck maintenance operations.

Key Features

• 4720 brake shoe configuration

• 23K heavy-duty friction lining

• Brand-new brake shoes — not remanufactured

• No core needed

• No core deposit or return

• Durable heavy-duty steel construction

• Consistent braking performance

• Designed for commercial truck and trailer service

• Ideal for fleet and preventative maintenance

• Ready for installation

Applications

Designed for compatible heavy-duty trucks, tractors, trailers, and commercial vehicle air brake systems requiring 4720-style brake shoes.

Why Choose Motion 4720 Brake Shoes?

Motion Trucking Parts 4720 brake shoes are supplied brand new with no core requirement, eliminating core charges and the inconvenience of returning old brake shoes. They provide a simple, reliable replacement solution for professional heavy-duty applications.

Important: Verify the 4720 brake shoe configuration, axle application, and lining requirements before ordering.

Brand: Motion Trucking Parts
Part Number: MTP-4726-23K
Condition: Brand New
Core Required: No Core Needed
Lining: 23K Heavy-Duty Brake Lining
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Product Description

Motion Trucking Parts 4726 Brake Shoes with 23K lining are manufactured for dependable braking performance in compatible heavy-duty truck and trailer applications. These brand-new brake shoe assemblies provide a convenient alternative to remanufactured brake shoes and require no core return.

The heavy-duty 23K friction lining is designed to provide consistent braking performance and durability under demanding commercial operating conditions. They are an excellent replacement option for fleets, repair shops, owner-operators, and other commercial vehicle maintenance operations.

Key Features

• 4726 brake shoe configuration

• 23K heavy-duty friction lining

• Completely brand-new brake shoes

• Not remanufactured

• No core needed

• No core charge or return

• Heavy-duty steel construction

• Consistent and dependable braking

• Designed for commercial truck and trailer service

• Ready for installation

Applications

Designed for compatible heavy-duty trucks, tractors, trailers, and commercial air brake systems requiring 4726-style brake shoes.

Why Choose Motion 4726 Brake Shoes?

With Motion Trucking Parts 4726 brake shoes, there is no core deposit and no old brake shoe return required. The brand-new construction provides a straightforward replacement solution for professional commercial vehicle maintenance.

Important: Verify the 4726 brake shoe configuration, axle application, and lining requirements before ordering.

Brand: Motion Trucking Parts
Motion Part Number: MTP-BP1583
FMSI: 8795-D1583 / D1583
Condition: Brand New
Product Type: Heavy-Duty Air Disc Brake Pad Kit
Application: Commercial Truck & Trailer Air Disc Brake Systems

Cross Reference / Interchange Numbers

• FMSI: 8795-D1583, D1583

• Haldex: 790-22040, 79095396

• Hendrickson: S-30560-8

• Meritor: MMD1583AF

• Caliper Application: Haldex DB22LT / DBT22LT

Product Description

Motion Trucking Parts MTP-BP1583 Heavy-Duty Air Disc Brake Pad Kit is a brand-new replacement brake pad set designed for compatible commercial truck and trailer air disc brake systems using the 8795-D1583 / D1583 pad configuration.

Engineered for demanding heavy-duty applications, these brake pads provide dependable stopping performance, consistent friction characteristics, and durability for everyday commercial vehicle operation. They are an excellent replacement choice for fleets, owner-operators, truck repair shops, and heavy-duty maintenance facilities.

Key Features

• 8795-D1583 / D1583 brake pad configuration

• Designed for compatible Haldex DB22LT / DBT22LT air disc brake systems

• Brand-new heavy-duty brake pad kit

• Reliable and consistent braking performance

• Durable friction material for commercial service

• Designed for heavy-duty truck and trailer applications

• Ideal for fleet maintenance and brake replacement

• Direct aftermarket replacement for compatible applications

Applications

Designed for compatible heavy-duty trucks, tractors, trailers, and commercial vehicles equipped with applicable Haldex air disc brake systems.

Cross-Reference Search

This Motion brake pad kit may be searched or referenced using 8795-D1583, D1583, Haldex 790-22040, Haldex 79095396, Hendrickson S-30560-8, and Meritor MMD1583AF.

Important: Cross-reference numbers are provided for identification and interchange purposes only. Verify the caliper, axle, brake system, and original part number before ordering to ensure proper fitment.

Our Balanced Brake Drum 3600AX Replacement is engineered to deliver dependable braking performance for heavy-duty commercial trucks and trailers. Manufactured from premium cast iron and precision balanced to minimize vibration, this brake drum provides smooth braking, excellent heat dissipation, and extended service life under demanding highway and fleet applications.

Designed as a direct replacement for OEM 3600AX applications, it installs without modifications and is ideal for routine brake maintenance or complete brake system overhauls. Precision machining ensures consistent braking performance and reduced brake shoe wear.

Features

• Precision balanced for smooth, vibration-free braking

• Premium high-strength cast iron construction

• Excellent heat dissipation helps reduce brake fade

• Precision-machined braking surface for consistent performance

• Direct OEM replacement with no modifications required

• Ideal for heavy-duty trucks, tractors, and trailers

• Suitable for fleet and commercial applications

Specifications

• Industry Number: 3600AX

• Brake Size: 16.5" × 7"

• Mounting Type: Outboard

• Bolt Holes: 10

• Bolt Circle: 11.25"

• Pilot Diameter: 8.78"

• Material: High-quality Cast Iron

• Balanced: Yes

Common Replacement Numbers

• Gunite: 3600AX, 3600A

• Webb: 66864B

• ConMet: 10009830

• Meritor: 85-123207

• Automann: 145.3600AX

Applications

Fits many heavy-duty commercial truck and trailer brake systems using a 16.5" × 7" outboard-mounted brake drum. Always verify dimensions and OEM part numbers before ordering.

Our Balanced Brake Drum 3758 / 3598 Replacement is engineered to provide dependable stopping power for heavy-duty commercial trucks and trailers. Manufactured from premium-grade cast iron and precision balanced to minimize vibration, this brake drum delivers consistent braking performance, superior heat dissipation, and extended service life under demanding fleet operations.

Designed as a direct replacement for OEM 3758 and 3598 applications, this drum offers precise fitment and reliable performance for both fleet maintenance and owner-operator repairs. Every drum is machined to strict quality standards to ensure smooth braking and reduce brake shoe wear.

Features

• Precision balanced to reduce vibration and brake pulsation

• Premium high-strength cast iron construction

• Excellent heat dissipation for consistent braking performance

• Precision-machined braking surface for maximum durability

• Direct OEM replacement with no modifications required

• Ideal for commercial trucks, tractors, and trailers

• Built for demanding fleet and highway applications

Specifications

• Industry Part Number: 3758 / 3598

• Brake Size: 16.5" × 5"

• Mounting Type: Outboard

• Bolt Holes: 10

• Bolt Circle Diameter: 11.25"

• Pilot Diameter: 8.78"

• Overall Depth: 9.37"

• Material: Premium Cast Iron

• Balanced: Yes

• Approximate Weight: 95 lb per drum

Common Cross Reference Numbers

• Gunite: 3758, 3758X, 3598, 3598X

• Webb: 65151B

• ConMet: 10005332, 10014756, 107453

• Freightliner: N42A107453

• Meritor: 85123383002

Applications

Fits many heavy-duty truck and trailer brake systems using a 16.5" × 5" outboard-mounted brake drum, including applications equipped with 4720 brake shoes. Always verify brake dimensions and OEM part numbers before ordering.

Why Choose Our Balanced Brake Drums?

Our balanced brake drums are manufactured to meet or exceed OEM specifications, providing dependable braking performance, longer service life, and reduced maintenance costs. Every drum is engineered for consistent fit, durability, and reliable performance in demanding commercial trucking applications.

Heavy-duty Type 30/30 combination spring brake chamber designed for commercial truck and trailer air brake systems. Features a 2.5" standard stroke and 13.05" push rod for dependable service, parking, and emergency braking.

Specifications

• Type: 30/30 Combination Spring Brake

• Stroke: 2.5" Standard Stroke

• Push Rod Length: 13.05"

• Application: Heavy-Duty Trucks & Trailers

Cross Reference Part Numbers

• Alliance: ABP N42A CTS3030 / ABP N42A 33030CD

• Navistar / International: FLT3030SCB20

• Bendix: NT3030STD-78

• Haldex: GC3030

Features

• Heavy-duty construction

• Standard 30/30 configuration

• Service, parking & emergency braking functions

• Suitable for commercial trucks, tractors and trailers

Note: Cross references are for identification purposes. Verify stroke, push rod length, mounting and configuration before installation.

Motion Part Number: MTP-R810019
Cross Reference: Meritor R810019
Product Type: Automatic Slack Adjuster Clevis Kit
Style: Straight / Meritor Type
Thread Size: 5/8"-18
Application: Heavy-Duty Truck & Trailer Air Brake Systems

Cross Reference Part Numbers

• Meritor R810019

• Meritor R801713

• Meritor 1245P1030

• Freightliner A6809960540

• Volvo 85107625

• Euclid E11430A

• Dayton 05-578

Product Description

The Motion MTP-R810019 Clevis Kit is a heavy-duty Meritor-style automatic slack adjuster clevis kit designed to connect the brake chamber pushrod to the automatic slack adjuster.

Featuring a straight design with 5/8"-18 threads, this kit is designed for standard Type 20, 24, 30 and 36 brake chambers. The kit includes the clevis, pins and retaining hardware required for installation.

Key Features

• 5/8"-18 thread

• Straight Meritor-style clevis

• For automatic slack adjusters

• Fits standard Type 20, 24, 30 & 36 brake chambers

• Includes clevis pins and retaining hardware

• Heavy-duty commercial truck and trailer application

Product Specifications

• Motion Part Number: SA5528

• Product Type: Automatic Slack Adjuster

• Arm Length: 5.5"

• Spline: 1-1/2" – 28 Spline

• Application: Heavy-duty truck & trailer air brake systems

• Condition: Brand New

• Direct Replacement: Designed to replace commonly used 5.5" 28-spline automatic slack adjusters

Features

• Heavy-duty construction for commercial applications

• Automatically compensates for normal brake lining wear

• Helps maintain proper brake stroke and adjustment

• Designed for dependable fleet and vocational service

• Suitable for many Class 8 truck and trailer applications