Couplemate Express Trailer Parts

10-inch Parallel Brake Drum with Greased Bearings

Price

$167.50 Inc.GST

  • 10-inch parallel brake drum with greased bearings
  • Suits 10-inch electric, mechanical and hydraulic backing plates
  • Grey iron construction with 256.3 mm maximum diameter
  • 54 mm width with 1/2-inch UNF stud thread
  • Designed for caravan, trailer and camper applications

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10-Inch Parallel Brake Drum with Bearings | Electric Drum for Caravans, Trailers and Campers

When you’re out in the Australian outback, the last thing anyone wants is a brake failure due to low-quality drums.

Quality brake drums are crucial for caravans because they play a major role in stopping them safely and efficiently. Due to the added weight and momentum, the brakes are under considerable stress when towing a caravan. The brake drums must withstand high temperatures, extreme pressure, and constant wear and tear.

These brake drums are most commonly used for 10″ electric backing plates but also suit 10″ mechanical backing plates and 10″ hydraulic backing plates.

If your desired drum is not listed, call us for custom work.


Product Specifications

  • Materials: Grey Iron
  • Max. Diameter: 256.3mm
  • Width: 54mm
  • Stud Thread: 1/2-inch UNF
  • Suits Bearings:

10-inch brake drums are often marked with 254 x 54 EL. N.B. Drums are not supplied with nuts.


Other Available Parallel Drums


What makes Low-Quality Drums Dangerous?

A few years ago, Couplemate™ was worried about the increasing loss of quality and complaints from imported drums. We decided to make a better 10-inch drum brake to ensure electric brake drums were first-class and we could own a quality product.

Low-quality or worn brake drums can cause a range of problems, including:

  • Reduced stopping power
  • Increased stopping distances
  • Excessive heat buildup
  • Complete brake failure

This can be extremely dangerous, particularly when driving on steep or winding roads. This can result in costly repairs and replacements and potential safety hazards.


What makes AL-KO 10-inch Electric Brake Drums Superior?

High-quality brake drums are specifically designed for caravans and other towing applications. You can ensure your braking system is reliable and effective.

Quality brake drums will provide consistent stopping power, reduce the risk of overheating, and ultimately help to keep you and your passengers safe while on the road.


Stud Pattern Options

If you’re unsure what stud pattern you have, read our quick guide: What is my Wheel P.C.D.?

  • Ford: 114.3mm PCD (1/2″)
  • 5S Landcruiser: 150.0mm PCD (9/16″) (M14)
  • Mercedes – 130mm PCD (M14)
  • F100: 139.7mm PCD (1/2″)
  • Defender: 165.10mm (5/8″) (M16)
  • Land Rover: 165.10mm (9/16″)
  • 6S Land Cruiser: 139.7mm PCD (1/2″)
  • Nissan Navara: 114.3mm PCD (1/2″)
  • Dodge Ram: 165.10mm (M14)

Frequently Asked Questions: 10-Inch Parallel Brake Drum

  • What does “Parallel” mean for this brake drum?
    It means the inner and outer bearings are the exact same size (usually 68149/11 cones). This design distributes weight evenly and is common on 1600kg axles.
  • Are the bearings pre-packed with grease?
    Yes, this drum comes with **high-temp trailer wheel bearing grease** pre-installed. It is ready to mount straight out of the box.
  • How do I know if this fits my trailer?
    Measure your existing drum diameter (10 inches) and verify your axle has parallel spindles. Check your wheel stud pattern (e.g., 5-stud Ford or 6-stud Land Cruiser) before buying.

Do’s and Don’ts for Installation & Maintenance

👍 Do’s ❌ Don’ts
  • Check the rear seal: Ensure the grease seal is seated firmly and flush before sliding the drum onto the spindle.
  • Use a torque wrench: Tighten your wheel nuts in a star pattern to the manufacturer’s specified torque.
  • Match your brakes: Pair this drum with matching 10-inch electric or hydraulic brake shoes.
  • Don’t mix grease types: If you top up the grease later, use a compatible lithium-complex base to prevent breakdown.
  • Don’t drop the drum: Impact can chip the machined braking surface or crack the pre-fitted bearing cups.
  • Don’t over-tighten the castle nut: Tighten until snug to seat the bearings, then back it off slightly so the drum spins freely without play.

Additional information

Weight 10 kg
Dimensions 30 × 30 × 10 cm
Bearing Profile

Brand

AL-KO

Drum Size

10-Inch – Inner Dia

Hub Boss Diameter

90mm

Hub Cap

63mm

Materials

Grey Iron

Max. ATM

NSK Bearing #

68149/10

Stud Pattern (PCD)

, ,

Stud Thread

1/2" UNF – 490300-ALKO

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.

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