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 Wheel Shaft Set Pair 6mm Bore - 6 inch pneumatic
ATR Wheel Shaft Set Pair 6mm Bore - 6 inch pneumatic

These ATR wheels are 6 inches in diameter. This item also includes a custom machined shaft with a we..

Product Code: TD-158-006

Discontinued

$79.58

ATR Wheel Shaft Set Pair 6mm Bore - 6 inch pneumatic DM
ATR Wheel Shaft Set Pair 6mm Bore - 6 inch pneumatic DM

These ATR wheels are 6 inches in diameter and come as pair. This item also includes a custom machine..

Product Code: TD-160-006

Discontinued

$46.70

ATR Wheel Shaft Set Pair 8mm Bore - 6 inch pneumatic
ATR Wheel Shaft Set Pair 8mm Bore - 6 inch pneumatic

Sold as a pair, 6-inch pneumatic rubber tires with steel rims and a 1/2" steel shaft, and 1/2" ID ba..

Product Code: TD-158-008

Discontinued

$79.58

ATR Wheel Shaft Set Pair 8mm Bore - 6 inch pneumatic DM
ATR Wheel Shaft Set Pair 8mm Bore - 6 inch pneumatic DM

These ATR wheels are 6 inches in diameter and come as pair. This item also includes a custom machine..

Product Code: TD-160-008

Discontinued

$46.70

DAGU Gear Motor, Wheel, and Encoder Pair
DAGU Gear Motor, Wheel, and Encoder Pair

The new simple motor and encoder kit from DAGU combines low cost, reliable encoders with powerful ge..

Product Code: TD-120-002

27 In stock

$41.42

Electronic Compass Bracket and Mast
Electronic Compass Bracket and Mast

This is a bracket to mount your electronic compass on and keep it away from any metal. The bracket i..

Product Code: TS-035-000

Discontinued

$10.05

Foam Wheel Set for Servos - 3.5 inch
Foam Wheel Set for Servos - 3.5 inch

These are the same wheels sold with the Trekker Chassis. The wheels are 3.5" in diameter and about 7..

Product Code: TD-006-000

Discontinued

$14.34

HD2 - 4 inch Wide Molded Track Set - Generation 4
HD2 - 4 inch Wide Molded Track Set - Generation 4

This is a pair of All Terrain reinforced 4 inch wide matched treads for the HD2 Treaded Robot. Thes..

Product Code: TD-122-002

Discontinued

$625.00

HD2 Pair of Molded Spliceless Tracks and Wheel Set - Generation 4
HD2 Pair of Molded Spliceless Tracks and Wheel Set - Generation 4

This is a pair of All Terrain reinforced 4 inch wide matched treads for the HD2 Treaded Robot. The..

Product Code: TD-123-002

Discontinued

$2,344.80

HD2 Roller and Shaft - Generation 4
HD2 Roller and Shaft - Generation 4

This is a roller used in the HD2. It works with our generation 4 tracks. It includes the 3/8" shaft,..

Product Code: TD-124-000

Discontinued

$166.20

HD2 Track Wheels - Generation 4
HD2 Track Wheels - Generation 4

This is a set of 4 wheels. The wheels are CNC cut from 1" thick Rubber and sandwiched between 1/2" U..

Product Code: TD-129-000

Discontinued

$1,523.15

Hitec D-645MW 32-Bit, High Torque, Metal Gear  Servo
Hitec D-645MW 32-Bit, High Torque, Metal Gear Servo

The D-645MW 32-Bit, High Speed, Metal Gear Servo is part of D-Series dynamo servo line. All Hitec D-..

Product Code: TD-293-000

Discontinued

$65.98

HS-422 Servo
HS-422 Servo

These are the servos used in our Chassis. The servos are made by Hitec. For Details see the datashee..

Product Code: TD-009-000

Discontinued

$22.48

HS-55 Servo
HS-55 Servo

These are considered Sub-miniature servos The servos are made by Hitec. On all Hitec servos the Blac..

Product Code: TD-013-000

Discontinued

$27.54

HS-645MG Ultra Torque Metal Gear Servo
HS-645MG Ultra Torque Metal Gear Servo

These are HiTec HS-645MG Ultra Torque Metal Gear Servos for your Heavy Duty needs! The servos are ma..

Product Code: TD-029-000

Discontinued

$54.98

HS-785 Sail Winch Servo
HS-785 Sail Winch Servo

This HiTec servo is a multi-turn servo winch. Depending on the RC system used, you can get up to 4 f..

Product Code: TD-033-000

Discontinued

$87.98

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