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Description: This is the Multi-Chassis ATV 4WD Kit, an easy to assemble and use robot chassis platform. The Multi-Chassis kit provides you with everything you need to give your robot a rugged four wheel drive platform with plenty of room for expansion to add various sensors and controllers. All you need to do is supply is a basic motor driver and power and you'll be ready to drive!

This Multi-Chassis Basic 4WD Kit includes four 48:1 DC gearboxes that independently drive each of the 78mm high-profile wheels. The larger wheels give you clearance for driving through more difficult terrain like grass or sand. The gearboxes have a metal output shaft for more durability. Each side of the 2.5mm thick aluminum frame comes cut with plenty of attachment points to add a multitude of different robot controllers, drivers, and sensors.

Note: A building instruction booklet with a complete list of items included is inside this kit and in the documents section below. This comes as a kit but includes all the hardware and tools necessary for assembly.

Dimensions:

  • Completed Kit Size - 178L x 135W x 78H mm
  • Wheel Diameter - 78 mm

Kit Includes:

  • 1x Aluminum Frame
  • 4x 48:1 DC Gearbox
  • 4x 78mm Diameter High-Profile Wheel
  • 4x M3 25mm Standoff
  • 6x M3 8mm Screw
  • 4x M2.5 25mm Screw
  • 4x 2.5 20mm Screw
  • 8x M3 8mm Screw
  • 8x M2.5 Nut
  • 2x M3 Nut
  • 1x 5 AA Battery Holder
  • 1x Spanner
  • 1x Screw Driver

Documents:

Comments 17 comments

  • Is there anyway to get some extra motors? Mine dove off my desk and is now having issue with two of the motors :( Id rather not have to buy a whole new kit for parts!

    EDIT: For anyone with a similar problem I found where to get replacement motors.

    http://www.dagurobot.com/goods.php?id=86

  • Isn’t this a bit too expensive for a plastic box, some wheels and 4 motors with reduction boxes? I don’t really see anything that justifies the $45 price tag :/

    • got mine in today, the frame is pretty solid aluminum . I don’t know about the motors yet. but yeah its somewhat a little high in cost, drop $5 or $10 then it could be a solid buy.

      edit: just notice, the basic kit is $10 cheaper, it seems just the wheels are different.

  • I’m curious, could I use this platform with Macanum Wheels? Say: https://www.sparkfun.com/products/11578 ? I want to make a macanum robot over the summer.

  • What would be the best way to drive all these motors independently? Would the Rover 5 driver board be the easiest way, even without having encoders?

    • The spec sheet says the motors draw 170ma Max@3v putting them in the range of this controller (x2): Motor Driver 1A Dual TB6612FNG

      • I agree and I’m also going to rely on the spec sheet (it matches the DG02S that is printed on the sticker on the actual motors). However, a funny thing is that the box that this kit arrives in says on the back that the “Motors Specifications” are 6V-9V supply, 800 mA nominal current, and 2000 mA stall current!! Again, I think I’m going to trust the spec sheet and plan for 170 mA max @3V, but I thought I’d mention this. Maybe one of the sparkfun folks can ask the manufacturer what is up with the numbers printed on the box?

      • Thanks, I think this would work just fine.

  • I’m confused a bit, the gearbox datasheet (only one we have) seems to indicate that the motors run off of 3V. So why do we have a 6 battery pack, (1.5 x 6 = 9V). What voltage are the motors rated for? do we have a Datasheet for them? I’m curious to know stall current and stall torque,

  • Lego tread! That brings back some memories.

  • Just a silly question, how can this steer? reversing one of the motor?

  • The new product page mentions encoders, but the detail page has no information. Are there encoders? on all four wheels? What’s the counts per revolution? Inquiring minds want to know!

    • There are no encoders on this model nor the basic kit, only the rescue platform have them. Sorry!

  • Are the gears plastic or metal? Is it possible to get specs for the included motors? Stall current, speed and torque? If they’ve got enough power this could be a great shortcut for a project I was about to start on using Pololu parts.

    • Only the final gear and the output shaft in the gear box are metal, the rest are plastic. We can definitely see about getting a specs/datasheet for the gear box up though.


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