Mechanical

We have nearly every mechanical part you need to build and maintain a robot including gear motors, servos, wheels, tank treads, and much more.

We also offer fully assembled robots, robot kits, and electrical robot parts.

If you’ve got questions about robots, we’ve got answers in our Knowledge Base, which includes guides, support articles, FAQs, and tutorials like How to Build a Robot as well as our Robotics Forum.



ATR Rigid Bumper Assembly
ATR Rigid Bumper Assembly

This is a rigid bumper that will mount on the front or back of most of our All Terrain Wheeled Robot..

Product Code: TD-133-000

Built to Order 2-4 Days

$88.80

ATR Shaft 12mm Bore for 10 inch Tire
ATR Shaft 12mm Bore for 10 inch Tire

This is a single axle with a hub that mounts to our 10" pneumatic tires or our 10" pneumatic tiller ..

Product Code: TD-172-012

36 In stock

$22.48

ATR Shaft 12mm Bore for 13 inch Tire
ATR Shaft 12mm Bore for 13 inch Tire

This is a single axle with a hub that mounts to our 13" pneumatic tiller tires. The end opposite the..

Product Code: TD-265-012

6 In stock

$48.50

ATR Shaft 6mm Bore for 6 inch Tire - SB
ATR Shaft 6mm Bore for 6 inch Tire - SB

This is a single axle with a hub that mounts to our 6" pneumatic tires. The end opposite the hub is ..

Product Code: TD-170-006

40 In stock

$19.71

ATR Shaft 6mm DM - 6 inch Tire
ATR Shaft 6mm DM - 6 inch Tire

This is a single axle with a hub that mounts to our 6" pneumatic tires or our 6" solid core tires. T..

Product Code: TD-173-006

186 In stock

$14.48

ATR Shaft 8mm Bore for 10 inch Tire
ATR Shaft 8mm Bore for 10 inch Tire

This is a single axle with a hub that mounts to our 10" pneumatic tires or our 10" pneumatic tiller ..

Product Code: TD-171-008

36 In stock

$23.38

ATR Shaft 8mm Bore for 6 inch Tire - SB
ATR Shaft 8mm Bore for 6 inch Tire - SB

This is a single axle with a hub that mounts to our 6" pneumatic tires. It is intended to be direct ..

Product Code: TD-170-008

46 In stock

$19.71

ATR Shaft 8mm DM - 6 inch Tire
ATR Shaft 8mm DM - 6 inch Tire

This is a single axle with a hub that mounts to our 6" pneumatic tires or our 6" solid core tires. T..

Product Code: TD-173-008

54 In stock

$15.24

ATR Shaft DM for Wheelchair Motor 17mm Bore for 13 inch Traction Lug
ATR Shaft DM for Wheelchair Motor 17mm Bore for 13 inch Traction Lug

This a single axle for our 13" tiller tires. The hub is welded to a steel shaft that fits on our whe..

Product Code: TD-266-000

10 In stock

$67.86

ATR Shaft Heavy Duty for 10 inch Tire - DB
ATR Shaft Heavy Duty for 10 inch Tire - DB

This is a single axle with a hub that mounts to our 10" pneumatic tires or our 10" pneumatic tiller ..

Product Code: TD-175-000

40 In stock

$21.95

ATR Shaft Heavy Duty for 13 inch Traction Lug - 3/4
ATR Shaft Heavy Duty for 13 inch Traction Lug - 3/4

This a single axle for our 13" tiller tires. The hub is welded to a steel 3/4" diameter shaft with a..

Product Code: TD-267-000

8 In stock

$58.92

ATR Shaft Heavy Duty for 6 inch Tire - DB
ATR Shaft Heavy Duty for 6 inch Tire - DB

This is a single axle with a hub that mounts to our 6" pneumatic tires. It is intended to be chain d..

Product Code: TD-174-000

40 In stock

$21.70

ATR Shaft IG52 DB Heavy Duty for 13 inch Tire
ATR Shaft IG52 DB Heavy Duty for 13 inch Tire

This is a single axle with a hub that mounts to our 13" tiller tires. It is intended for our IG52 DB..

Product Code: TD-278-000

10 In stock

$52.14

ATR Upper Deck
ATR Upper Deck

This is a top deck that will mount on most of our All Terrain Wheeled Robots. The upper deck is made..

Product Code: TD-130-000

Built to Order 2-4 Days

$134.40

ATR Wheel and Shaft Set Pair - 13 inch Traction Lug
ATR Wheel and Shaft Set Pair - 13 inch Traction Lug

This is a wheel and shaft set for our 13" tiller tires. They come as a pair along with a pair of axl..

Product Code: TD-167-000

Built to Order 0-1 Days

$255.90

ATR Wheel and Shaft Set Pair 12mm bore - 10 inch pneumatic
ATR Wheel and Shaft Set Pair 12mm bore - 10 inch pneumatic

These large ATR pneumatic wheels are 10" in diameter. They come as pair. This item also includes a c..

Product Code: TD-082-012

Built to Order 0-1 Days

$98.42

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