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Mack RD Trucks

Shop for aftermarket Mack RD truck parts (1979 – 2004) to repair, replace, and refurbish your heavy-duty vocational rig. We sell replacement and aftermarket parts for popular Mack RD models, including the RD600, RD688, RD688S, RD690, and RD690S. Source collision-replacement parts, customize the exterior, or add interior cab accessories to refurbish your truck at 4 State Trucks.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180276MD, 270RDKUPB3RA, 270RDKUPB3XK

    BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180276MD, 270RDKUPB3RA, 270RDKUPB3XK

    BESTFIT TRUCK PARTS

    $3,699.99
    Six Bolt PowerShift Power Take-Off By BESTfit Replaces 180276MD, 270RDKUPB3RA, 270RDKUPB3XK Fits Mechanical TransmissionsMade for strength and reliability, the BESTfit Six Bolt PowerShift Power...
    29-07050049
    SKU:
    29-07050049
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $3,699.99
    Qty in Cart: 0
    Price:
    $3,699.99
    Subtotal:
  • BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces 680XSAHXA3XD

    BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces 680XSAHXA3XD

    BESTFIT TRUCK PARTS

    $2,165.99
    Eight Bolt Power Take-Off By BESTfit Replaces 680XSAHXA3XD Fits Mechanical TransmissionsMade for extreme-duty performance, the BESTfit Eight Bolt Power Take-Off is a premium replacement for...
    29-07050047
    SKU:
    29-07050047
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,165.99
    Qty in Cart: 0
    Price:
    $2,165.99
    Subtotal:
  • BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces 680XRAHXA3XD

    BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces 680XRAHXA3XD

    BESTFIT TRUCK PARTS

    $2,165.99
    Eight Bolt Power Take-Off By BESTfit Replaces 680XRAHXA3XD Fits Mechanical TransmissionsDesigned for extreme duty performance, the BESTfit Eight Bolt Power Take-Off is a premium replacement for...
    29-07050040
    SKU:
    29-07050040
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,165.99
    Qty in Cart: 0
    Price:
    $2,165.99
    Subtotal:
  • BESTfit Stud Kit Replaces 717078X

    BESTfit Stud Kit Replaces 717078X

    BESTFIT TRUCK PARTS

    $80.99
    Stud Kit By BESTfitMade for strength and reliability, the BESTfit Stud Kit is a premium replacement for 717078X designed specifically for Chelsea PTO systems. Built for heavy-duty applications, this...
    29-07050054
    SKU:
    29-07050054
    Product Type:
    Engine Parts
    Position:
    Kit Full
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXA3RA, SC534, 489XFAHXA3XQ

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXA3RA, SC534, 489XFAHXA3XQ

    BESTFIT TRUCK PARTS

    $1,527.99
    Power Take-Off By BESTfit Replaces 489XFAHXA3RA, SC534, 489XFAHXA3XQ Fits Mechanical TransmissionsEngineered for strength and reliability, the BESTfit Power Take-Off is a premium replacement for...
    29-07050045
    SKU:
    29-07050045
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,527.99
    Qty in Cart: 0
    Price:
    $1,527.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXV5RK, 489XFAHXV5RA, 489XFAHXV5XQ

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXV5RK, 489XFAHXV5RA, 489XFAHXV5XQ

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take-Off By BESTfit Replaces 489XFAHXV5RK, 489XFAHXV5RA, 489XFAHXV5XQ Fits Mechanical TransmissionsBuilt for strength and reliability, the BESTfit Power Take-Off is a high-quality replacement...
    29-07050036
    SKU:
    29-07050036
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces 680XSAHXV3XD

    BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces 680XSAHXV3XD

    BESTFIT TRUCK PARTS

    $2,040.99
    Eight Bolt Power Take-Off BESTfit Replaces 680XSAHXV3XD Fits Mechanical TransmissionsMade for strength and reliability, the BESTfit Eight Bolt Power Take-Off is a premium replacement for...
    29-07050043
    SKU:
    29-07050043
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,040.99
    Qty in Cart: 0
    Price:
    $2,040.99
    Subtotal:
  • BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces MH8SC01XA1SE, 489XHAHXA3XD, TG8SU6807A1BX

    BESTfit Eight Bolt Power Take-Off For Mechanical Transmissions Replaces MH8SC01XA1SE, 489XHAHXA3XD, TG8SU6807A1BX

    BESTFIT TRUCK PARTS

    $1,355.99
    Eight Bolt Power Take-Off By BESTfit Replaces MH8SC01XA1SE, 489XHAHXA3XD, TG8SU6807A1BX Fits Mechanical TransmissionsMade for strength and reliability, the BESTfit Eight Bolt Power Take-Off is a...
    29-07050050
    SKU:
    29-07050050
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,355.99
    Qty in Cart: 0
    Price:
    $1,355.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XRAHXA3RA, 489XRAHXA3XQ, 489XRAHXA3RK

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XRAHXA3RA, 489XRAHXA3XQ, 489XRAHXA3RK

    BESTFIT TRUCK PARTS

    $1,527.99
    Power Take-Off By BESTfit Replaces 489XRAHXA3RA, 489XRAHXA3XQ, 489XRAHXA3RK Fits Mechanical TransmissionsMade for strength and reliability, the BESTfit Power Take-Off is a premium replacement for...
    29-07050041
    SKU:
    29-07050041
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,527.99
    Qty in Cart: 0
    Price:
    $1,527.99
    Subtotal:
  • BESTfit Ten Bolt PowerShift PTO For Mechanical Transmissions Replaces 180274NYT, 890HAFJWB5AF

    BESTfit Ten Bolt PowerShift PTO For Mechanical Transmissions Replaces 180274NYT, 890HAFJWB5AF

    BESTFIT TRUCK PARTS

    $6,161.99
    Ten Bolt PowerShift Power Take-Off By BESTfit Replaces 180274NYT, 890HAFJWB5AF Fits Mechanical TransmissionsBuilt for strength and reliability, the BESTfit Ten Bolt PowerShift PTO is a premium...
    29-07050032
    SKU:
    29-07050032
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $6,161.99
    Qty in Cart: 0
    Price:
    $6,161.99
    Subtotal:
  • BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK

    BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK

    BESTFIT TRUCK PARTS

    $3,311.99
    Six Bolt PowerShift Power Take-Off By BESTfit Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK Fits Mechanical TransmissionsDesigned for strength and dependable operation, the BESTfit Six Bolt PowerShift...
    29-07050039
    SKU:
    29-07050039
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $3,311.99
    Qty in Cart: 0
    Price:
    $3,311.99
    Subtotal:
  • BESTfit Six Bolt Power Take-Off For Mechanical Transmissions Replaces 442XRAHXA3XD, 442XRAHXA3XD

    BESTfit Six Bolt Power Take-Off For Mechanical Transmissions Replaces 442XRAHXA3XD, 442XRAHXA3XD

    BESTFIT TRUCK PARTS

    $1,321.99
    Six Bolt Power Take-Off By BESTfit Replaces 442XRAHXA3XD, 442XRAHXA3XD Fits Mechanical TransmissionsMade for strength and reliability, the BESTfit Six Bolt Power Take-Off is a premium replacement for...
    29-07050046
    SKU:
    29-07050046
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,321.99
    Qty in Cart: 0
    Price:
    $1,321.99
    Subtotal:
  • BESTfit Geared Adapter Power Take-Off Replaces 645GAHX3XX

    BESTfit Geared Adapter Power Take-Off Replaces 645GAHX3XX

    BESTFIT TRUCK PARTS

    $836.99
    Geared Adapter Power Take-Off By BESTfit Replaces 645GAHX3XXBuilt for strength and dependable performance, the BESTfit Geared Adapter Power Take-Off is a premium replacement for 645GAHX3XX designed...
    29-07050037
    SKU:
    29-07050037
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $836.99
    Qty in Cart: 0
    Price:
    $836.99
    Subtotal:
  • BESTfit Stud Kit Replaces 707072XB, 717072X, 17072XB

    BESTfit Stud Kit Replaces 707072XB, 717072X, 17072XB

    BESTFIT TRUCK PARTS

    $32.99
    Stud Kit By BESTfit Replaces 707072XB, 717072X, 17072XBEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 707072XB, 717072X, and 17072XB designed...
    29-07050042
    SKU:
    29-07050042
    Position:
    Kit Full
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $32.99
    Qty in Cart: 0
    Price:
    $32.99
    Subtotal:
  • BESTfit Stud Kit Replaces 328170217X, 328170217XB

    BESTfit Stud Kit Replaces 328170217X, 328170217XB

    BESTFIT TRUCK PARTS

    $272.99
    Stud Kit By BESTfit Replaces 328170217X, 328170217XBEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 328170217X and 328170217XB designed specifically...
    29-07050035
    SKU:
    29-07050035
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $272.99
    Qty in Cart: 0
    Price:
    $272.99
    Subtotal:
  • BESTfit Stud Kit Replaces 32817076X, 32817076XB, 71702X

    BESTfit Stud Kit Replaces 32817076X, 32817076XB, 71702X

    BESTFIT TRUCK PARTS

    $22.99
    Stud Kit By BESTfit Replaces 32817076X, 32817076XB, 71702XEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 32817076X, 32817076XB, and 71702X designed...
    29-07050033
    SKU:
    29-07050033
    Position:
    Kit Full
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $22.99
    Qty in Cart: 0
    Price:
    $22.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XRAHXV3RA, 489XRAHXV3XQ, 489XRAHXV3RK

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XRAHXV3RA, 489XRAHXV3XQ, 489XRAHXV3RK

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take-Off By BESTfit Replaces 489XRAHXV3RA, 489XRAHXV3XQ, 489XRAHXV3RK Fits Mechanical TransmissionBuilt for strength and reliability, the BESTfit Power Take-Off is a premium replacement for...
    29-07050038
    SKU:
    29-07050038
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XLAHXV3RK, 489XLAHXV3RA, 489XLAHXV3RB

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XLAHXV3RK, 489XLAHXV3RA, 489XLAHXV3RB

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take-Off By BESTfit Replaces 489XLAHXV3RK, 489XLAHXV3RA, 489XLAHXV3RB Fits Mechanical TransmissionsBuilt for strength and dependable performance, the BESTfit Power Take-Off is a high-quality...
    29-07050031
    SKU:
    29-07050031
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXV3RA, 489XFAHXV3RB, 489XFAHXV3XK

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXV3RA, 489XFAHXV3RB, 489XFAHXV3XK

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take- Off By BESTfit Replaces 489XFAHXV3RA, 489XFAHXV3RB, 489XFAHXV3XK Fits Mechanical TransmissionsBuilt for strength and reliability, the BESTfit Power Take-Off is a high-quality replacement...
    29-07050034
    SKU:
    29-07050034
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Stud Kit Replaces 717086X

    BESTfit Stud Kit Replaces 717086X

    BESTFIT TRUCK PARTS

    $80.99
    Stud Kit By BESTfitEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 717086X designed specifically for Chelsea 280 Series PTO applications. This...
    29-07050030
    SKU:
    29-07050030
    Position:
    Kit Full
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
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Adding your products to cart

Shop Aftermarket Mack RD Truck Parts

Working, old-school big rigs like the Mack RD series endure many years of wear and tear on jobs sites. Over time, Mack RD hardware and components experience high heat and pressure, turning mild components replacements into system-wide repairs. We stock the model-specific mechanical parts to keep your hard-working truck performing day after day:

Cosmetic Aftermarket Upgrades for Mack RD Trucks

Road debris can chip away at the headlights, fenders, mirrors, and even mud flaps over time. That’s why we stock hundreds of exterior Mack RD replacement parts to replace damaged parts. Lastly, you can find decorative custom upgrades to spruce-up the look of your rig, from interior custom dashboards to stainless steel step boxes for easy cab exit and entry.

Frequently Asked Questions About Mack RD Truck Parts

What years and models of Mack RD trucks do your parts fit?

Our Mack RD parts are designed to fit RD600, RD688, and RD690 models manufactured from 1979 through 2004. However, compatibility can vary based on specific configurations and factory options. We recommend checking your OEM or contacting our team with your truck's model year and any special equipment codes to ensure proper fitment before ordering.

Are your Mack RD bumpers made from chrome-plated steel or stainless steel?

We offer both options depending on your needs and budget. Our chrome-plated steel bumpers feature a triple-chrome plating process over heavy-gauge steel for durability and shine. Our stainless steel options are typically 304-grade stainless with a mirror polish finish. Chrome bumpers are more affordable but require regular maintenance, while stainless steel resists corrosion better in harsh conditions but comes at a higher price point.

Do I need special tools or professional installation for Mack RD bumpers?

Most Mack RD bumper installations can be completed with standard shop tools including socket sets, wrenches, and a drill for any additional mounting holes. The bumpers typically weigh between 80-150 pounds, so having a helper or hoist is strongly recommended. Installation usually takes 2-4 hours. Some aftermarket bumpers may require minor modifications to mounting brackets or drilling new holes. Professional installation is recommended if you're not comfortable with heavy lifting or drilling.

What's the difference between OEM-style and aftermarket Mack RD parts?

OEM-style parts are manufactured to match original factory specifications for direct bolt-on replacement. Aftermarket parts may offer enhanced features like additional gauge holes, different styling, or heavier construction but might require modifications during installation. OEM-style parts typically maintain factory warranty compliance, while aftermarket options often provide better value and customization options. Both meet DOT standards when applicable.

How do I maintain chrome parts on my Mack RD to prevent rust and pitting?

Chrome parts require regular maintenance to maintain their appearance, especially in regions using road salt. Wash chrome surfaces weekly with mild soap and water, then dry thoroughly. Apply a quality chrome polish monthly and use a chrome sealant every 3-4 months for added protection. Avoid abrasive cleaners or steel wool which can scratch the chrome. For winter storage or harsh conditions, consider applying a thin coat of WD-40 or similar protectant, then remove before regular use.


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