Parts Needed to Add Electric Drum Brakes to a Trailer
Question:
I have an old axle that i dont believe is made anymore. Its a Centruy model# 616, 3500#. Im looking to add electric brakes and chage the hubs to 6x5.5 lug pattern and I want to get the right parts. Ive measured the spindle with your diagram. the dimentions are: A- 1.87 B- 1.71 C- 1.37 D- 1.06 E- 1.0 F- .542 What do I need? thanks!
asked by: Matthew A
Expert Reply:
It sounds like you have bearings # L68149, that measures 1.378 inches, and # L44649, which measures 1.063 inches. If so the hub and drum assembly # AKHD-655-35-K will fit your axle. This kit also includes the races and seal. It's for 3,500 pound axles and has a 6 on 5-1/2 bolt pattern.
With a 3,500 pound axle you'll need brake flanges with a 4-bolt pattern like # 4-35. Your trailer may already have these and if so that's good. The brake flange needs to be welded to the end of the axle to support the brake assemblies. It will need to be welded perfectly straight for your brakes to function properly so the work should be performed by a certified trailer shop.
You're going to need to wire the trailer to power the brakes. This will require to have a 7-way connector if it doesn't already have one. Use our # HS381-9000 wiring kit for a 7-way with a junction box and all the connectors you'll need. Then use about 20 feet of 10 gauge wire # 10-2-1, which is sold by the foot, to run the wire from the junction box to the trailer's brakes.
The trailer will require a breakaway kit. The Hopkins Engager # 20099 is our most popular kit. The breakaway kit engages the trailer's brakes in the event the trailer is separated from your tow vehicle.
In order to control the trailer's brakes you must have an electric brake controller in your tow vehicle. If you don't already have one I suggest the Prodigy P3 # 90195 because of how reliable and easy to use it is. Its one of our top brake controllers. If you tell me the year, make, and model of your tow vehicle I'll see if we have a custom harness to install the controller. And also anything else that may be necessary.
And finally you'll need brakes. I suggest the # AKEBRK-35-SA brake kit that includes both brake assemblies. These are self-adjusting so they'll need to be manually adjusted once when they're installed and never again.
I've linked some videos on the products I've recommended for you to take a look at.
Products Referenced in This Question
Deka Jacketed 2 Wire, 10 Gauge, Brake Wire - per Foot
- Wiring
- Wire
- Jacketed Wire
- 2 Wire
- 10 Gauge
- Deka
more information >
Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire
- Trailer Breakaway Kit
- Kit with Charger
- Side Load
- Single-axle
- Tandem-axle
- LED Tester
- Hopkins
more information >
Brake Mounting Flange for 2-3/8" Round Axle
- Accessories and Parts
- Trailer Brakes
- Disc Brakes
- Electric Drum Brakes
- Hydraulic Drum Brakes
- Brake Mounting Flange
- 10 Inch
- 2-3/8 Inch Diameter Axle
- Redline
more information >
Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Under-Dash Box
- Dash Mount
- Up to 4 Axles
- LCD Display
- Up to 360 Degrees
- Tekonsha
more information >
etrailer Electric Trailer Brakes - Self-Adjusting - 10" - Left/Right Hand Assemblies - 3.5K
- Trailer Brakes
- Electric Drum Brakes
- Standard Grade
- Self Adjust
- 10 x 2-1/4 Inch Drum
- 3500 lbs Axle
- etrailer
more information >
Wiring Kit for Hydrastar Electric Over Hydraulic Actuators
- Accessories and Parts
- Brake Actuator
- Disc Brakes
- Hydraulic Drum Brakes
- Wiring
- Hydrastar
more information >
Replacement Trailer Hub Bearing - L44649
- Trailer Bearings Races Seals Caps
- Bearings
- Standard Bearings
- 1.063 Inch I.D.
- Bearing L44649
- Race L44610
- 3500 lbs Axle
- etrailer
more information >
Replacement Trailer Hub Bearing - L68149
- Trailer Bearings Races Seals Caps
- Bearings
- Standard Bearings
- 1.378 Inch I.D.
- Bearing L68149
- Race L68111
- 3500 lbs Axle
- etrailer
more information >
Product Page this Question was Asked From
Trailer Hub and Drum Assembly - 3,500-lb Axles - 10" Diameter - 6 on 5-1/2 - Pre-Greased
- Trailer Hubs and Drums
- Hub with Integrated Drum
- Pre-Greased
- Standard
- L68149
- L44649
- For 3500 lbs Axles
- 1/2 Inch Stud
- 6 on 5-1/2 Inch
- 14-1/2 Inch Wheel
- 15 Inch Wheel
- 16 Inch Wheel
- 16-1/2 Inch Wheel
- etrailer
more information >
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