A Solution for Every Helicopter

We offer a wide selection of new and used helicopter ground handling wheels and other replacement parts that are only available from Chopper Spotter, backed by the same level of quality and versatility that define our core products. Our team of experts is here to work with you to ensure you get the parts you need, when you need them, always striving to keep your Chopper Spotter functioning exactly as it needs to.

We ship worldwide. Most international orders can arrive in as little as 2–3 business days depending on location and customs processing.

Contact us today for one-on-one support in purchasing the parts you need to keep your Chopper Spotter moving.

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Drivetrain

Drivetrain

Motor Brush Kit
30-0021
$213
Includes: New brushes for the motor.
Order Part
Keyed Transmission Shaft
30-0020
$72
A metallic cylindrical rod with a smooth surface and a notch running along its length, set against a plain white background. The rod appears to be uniform in diameter and free of any visible markings or textures.
Includes: The keyed 3/4" shaft located on the flange bearings with the 9 tooth and 60 tooth sprockets.
Order Part
Drive Wheel Bearing Assembly
30-0019
$253
A disassembled cylindrical roller bearing, consisting of a split outer ring, a cylindrical roller cage assembly, an inner race, and two metal washers, is placed against a white background.
Includes: Includes the bearing, two washers, and a spanner for the drive wheel. Grease after install.
Order Part
Spacer Kit
30-0018
$95
A collection of small metal washers and rings of varying sizes and colors arranged on a plain white background. Some washers are shiny and silver, while others are dark and have a matte finish.
Includes: Spacer kit for the drive wheel. Refer to installation instructions, extra spacers included for small variations in Chopper Spotters over the decades.
Order Part
Drive Axle
30-0017
$107
A silver metal rod with evenly spaced holes along its length, accompanied by two silver screws with nuts. The rod and screws are placed on a plain white background.
Includes: Axle for the drive wheel.
Order Part
Double Caster Spanner and Washers
30-0016
$38
Image shows a metallic cylindrical pin with a hole near the top, accompanied by two flat metallic washers with circular openings in the center. The objects are placed on a plain white background.
Includes: Quantity one spanner and two washers for use in double wheeled casters.
Order Part
Single Caster Spanner and Washers
30-0015
$45
A cylindrical metal pin with a small hole near its top is standing upright next to two flat, round metal washers. The pin and washers are made of shiny metal, reflecting light. The background is white.
Includes: Quantity one spanner and two washers for use in single wheeled casters.
Order Part
Single Caster Wheel
30-0014
$190
A black rubber wheel with a metallic center, designed for rolling mechanisms. The wheel has a cylindrical shape with a rounded outer edge and a central hole for attaching it to an axle or other rotating shaft.
Includes: This is the caster wheel for the single wheeled caster, quantity one wheel, used on the Model E. This does not include the spanner and washers for the wheel (PN 30-0015). Comes in black, grease before use.
Order Part
Single Caster Assembly
30-0013
$897
A single black swivel caster wheel with a metal bracket is shown, with additional mounting bolts, nuts, and washers placed in front of it. The caster wheel is designed for heavy-duty applications and features a robust construction.
Includes: This is the Model E's single wheeled caster with a wheel installed and greased, quantity one. Wheel comes in black.
Order Part
Single Caster (No Wheel)
30-0012
$627
A metal hinge bracket with an attached arm, bolts, and washers placed below. The bracket appears to be designed for structural support or mechanical applications. The image is set against a plain white background.
Includes: This is the Model E's single wheeled caster only without a wheel, quantity one. Installation hardware is included, grease before use.
Order Part
Double Caster Wheel
30-0011
$190
A solid black caster wheel with a central metal bearing and an opening visible in the middle. The wheel has a smooth outer surface and is photographed against a white background.
Includes: This is the caster wheel only for the double casters, quantity one wheel. This does not include the spanners and washers for the wheels (PN 30-0016). Comes in black, grease before use.
Order Part
Double Caster Assembly
30-0010
$1,052
Dual Caster with Wheels
Includes: This is the double wheeled caster with both wheels assembled and greased. Installation hardware is included.
Order Part
Double Caster (No Wheels)
30-0009
$687
Image of a metal pivoting mount with a square base, attached pivoting arm, and cylindrical axis. Four bolts, washers, and nuts are shown in the foreground, suggesting they are to be used for securing the mount. The device appears to be used for mounting and rotation purposes.
Includes: This is the dual caster only that houses two caster wheels (not included in this item). Installation hardware is included, grease before use.
Order Part
Electric Motor
30-0008
$1,972
A black cylindrical electric motor is displayed horizontally with a metal mounting plate attached to the bottom. The motor has a silver shaft protruding from one end. Assorted screws, washers, and a rubber ring are neatly arranged next to the motor.
Includes: The Chopper Spotter's drive motor, now in black.
Order Part
Drive Wheel Assembly
30-0007
$1,183
A large, cylindrical mechanical component with prominent teeth around the edge and several bolts on the front. Made of metal, it is shown next to a smooth, cylindrical metal rod. Both items are displayed against a white background.
Includes: This assembly includes a grooved drive wheel (color is now black), the drive wheel sprocket, the bearing and a spanner. The drive wheel is 8x5 inches and fits in old Chopper Spotters with 8x4 inch wheels (though the 60 tooth sprocket may need to be shifted). This does not include a drive axle or spacer kit. Grease drive wheel after installation.
Order Part
60 Tooth Sprocket (Includes Key)
30-0006
$125
A large, circular metal gear with evenly spaced teeth around its edge. The gear has a central hole for mounting, and a small rectangular metal piece is placed beside it. The gear and the metal piece are displayed on a plain white background.
Includes: The sprocket with 60 teeth located on the transmission shaft that connects to the 10 tooth sprocket on the motor via #35 chain.
Order Part
#50 Chain + Connector
30-0005
$63
A black bicycle chain coiled on a white background with an additional small chain link segment placed to the right of it.
Includes: The larger chain that connects to the 9 tooth sprocket (transmission shaft) and the drive wheel.
Order Part
#35 Chain + Connector
30-0004
$63
A close-up image of a coiled black bicycle chain, with a single chain link piece next to it. The chain has a standard series of interlocking links and is displayed on a plain white background.
Includes: The smaller chain that connects to the 10 tooth sprocket (motor) and 60 tooth sprocket.
Order Part
Flange Bearing
30-0003
$76
A blue, metal flange bearing unit with two mounting holes, a round housing, and a central bearing, viewed from the top at an angle. The bearing has a metallic outer ring and a shiny inner race with a hole for a shaft.
Includes: Flange bearing (quantity 1) that holds the transmission shaft. Includes hardware for installation, torqued to 40 ft-lbs. Grease after installation.
Order Part
10 Tooth Sprocket (Includes Key)
30-0002
$63
A small black sprocket gear with 10 teeth is accompanied by a rectangular metal key on a plain white background. The gear has a cylindrical hole in the center, and the key is designed to fit into the gear's slot, allowing it to be affixed to a shaft.
Includes: The sprocket with 10 teeth located on the motor shaft that connects the motor to the 60 tooth sprocket on the transmission shaft via #35 chain.
Order Part
9 Tooth Sprocket (Includes Key)
30-0001
$76
A small, eight-toothed metal gear with a rectangular keyway and an accompanying rectangular metal key are displayed against a white background. The gear has some numbers and letters inscribed on its side.
Includes: The sprocket with 9 teeth located on the transmission shaft that connects to the drive wheel sprocket via #50 chain.
Order Part

Drivetrain

Drivetrain

Motor Brush Kit
30-0021
$213
Includes: New brushes for the motor.
Order Part
Keyed Transmission Shaft
30-0020
$72
A metallic cylindrical rod with a smooth surface and a notch running along its length, set against a plain white background. The rod appears to be uniform in diameter and free of any visible markings or textures.
Includes: The keyed 3/4" shaft located on the flange bearings with the 9 tooth and 60 tooth sprockets.
Order Part
Drive Wheel Bearing Assembly
30-0019
$253
A disassembled cylindrical roller bearing, consisting of a split outer ring, a cylindrical roller cage assembly, an inner race, and two metal washers, is placed against a white background.
Includes: Includes the bearing, two washers, and a spanner for the drive wheel. Grease after install.
Order Part
Spacer Kit
30-0018
$95
A collection of small metal washers and rings of varying sizes and colors arranged on a plain white background. Some washers are shiny and silver, while others are dark and have a matte finish.
Includes: Spacer kit for the drive wheel. Refer to installation instructions, extra spacers included for small variations in Chopper Spotters over the decades.
Order Part
Drive Axle
30-0017
$107
A silver metal rod with evenly spaced holes along its length, accompanied by two silver screws with nuts. The rod and screws are placed on a plain white background.
Includes: Axle for the drive wheel.
Order Part
Double Caster Spanner and Washers
30-0016
$38
Image shows a metallic cylindrical pin with a hole near the top, accompanied by two flat metallic washers with circular openings in the center. The objects are placed on a plain white background.
Includes: Quantity one spanner and two washers for use in double wheeled casters.
Order Part
Single Caster Spanner and Washers
30-0015
$45
A cylindrical metal pin with a small hole near its top is standing upright next to two flat, round metal washers. The pin and washers are made of shiny metal, reflecting light. The background is white.
Includes: Quantity one spanner and two washers for use in single wheeled casters.
Order Part
Single Caster Wheel
30-0014
$190
A black rubber wheel with a metallic center, designed for rolling mechanisms. The wheel has a cylindrical shape with a rounded outer edge and a central hole for attaching it to an axle or other rotating shaft.
Includes: This is the caster wheel for the single wheeled caster, quantity one wheel, used on the Model E. This does not include the spanner and washers for the wheel (PN 30-0015). Comes in black, grease before use.
Order Part
Single Caster Assembly
30-0013
$897
A single black swivel caster wheel with a metal bracket is shown, with additional mounting bolts, nuts, and washers placed in front of it. The caster wheel is designed for heavy-duty applications and features a robust construction.
Includes: This is the Model E's single wheeled caster with a wheel installed and greased, quantity one. Wheel comes in black.
Order Part
Single Caster (No Wheel)
30-0012
$627
A metal hinge bracket with an attached arm, bolts, and washers placed below. The bracket appears to be designed for structural support or mechanical applications. The image is set against a plain white background.
Includes: This is the Model E's single wheeled caster only without a wheel, quantity one. Installation hardware is included, grease before use.
Order Part
Double Caster Wheel
30-0011
$190
A solid black caster wheel with a central metal bearing and an opening visible in the middle. The wheel has a smooth outer surface and is photographed against a white background.
Includes: This is the caster wheel only for the double casters, quantity one wheel. This does not include the spanners and washers for the wheels (PN 30-0016). Comes in black, grease before use.
Order Part
Double Caster Assembly
30-0010
$1,052
Dual Caster with Wheels
Includes: This is the double wheeled caster with both wheels assembled and greased. Installation hardware is included.
Order Part
Double Caster (No Wheels)
30-0009
$687
Image of a metal pivoting mount with a square base, attached pivoting arm, and cylindrical axis. Four bolts, washers, and nuts are shown in the foreground, suggesting they are to be used for securing the mount. The device appears to be used for mounting and rotation purposes.
Includes: This is the dual caster only that houses two caster wheels (not included in this item). Installation hardware is included, grease before use.
Order Part
Electric Motor
30-0008
$1,972
A black cylindrical electric motor is displayed horizontally with a metal mounting plate attached to the bottom. The motor has a silver shaft protruding from one end. Assorted screws, washers, and a rubber ring are neatly arranged next to the motor.
Includes: The Chopper Spotter's drive motor, now in black.
Order Part
Drive Wheel Assembly
30-0007
$1,183
A large, cylindrical mechanical component with prominent teeth around the edge and several bolts on the front. Made of metal, it is shown next to a smooth, cylindrical metal rod. Both items are displayed against a white background.
Includes: This assembly includes a grooved drive wheel (color is now black), the drive wheel sprocket, the bearing and a spanner. The drive wheel is 8x5 inches and fits in old Chopper Spotters with 8x4 inch wheels (though the 60 tooth sprocket may need to be shifted). This does not include a drive axle or spacer kit. Grease drive wheel after installation.
Order Part
60 Tooth Sprocket (Includes Key)
30-0006
$125
A large, circular metal gear with evenly spaced teeth around its edge. The gear has a central hole for mounting, and a small rectangular metal piece is placed beside it. The gear and the metal piece are displayed on a plain white background.
Includes: The sprocket with 60 teeth located on the transmission shaft that connects to the 10 tooth sprocket on the motor via #35 chain.
Order Part
#50 Chain + Connector
30-0005
$63
A black bicycle chain coiled on a white background with an additional small chain link segment placed to the right of it.
Includes: The larger chain that connects to the 9 tooth sprocket (transmission shaft) and the drive wheel.
Order Part
#35 Chain + Connector
30-0004
$63
A close-up image of a coiled black bicycle chain, with a single chain link piece next to it. The chain has a standard series of interlocking links and is displayed on a plain white background.
Includes: The smaller chain that connects to the 10 tooth sprocket (motor) and 60 tooth sprocket.
Order Part
Flange Bearing
30-0003
$76
A blue, metal flange bearing unit with two mounting holes, a round housing, and a central bearing, viewed from the top at an angle. The bearing has a metallic outer ring and a shiny inner race with a hole for a shaft.
Includes: Flange bearing (quantity 1) that holds the transmission shaft. Includes hardware for installation, torqued to 40 ft-lbs. Grease after installation.
Order Part
10 Tooth Sprocket (Includes Key)
30-0002
$63
A small black sprocket gear with 10 teeth is accompanied by a rectangular metal key on a plain white background. The gear has a cylindrical hole in the center, and the key is designed to fit into the gear's slot, allowing it to be affixed to a shaft.
Includes: The sprocket with 10 teeth located on the motor shaft that connects the motor to the 60 tooth sprocket on the transmission shaft via #35 chain.
Order Part
9 Tooth Sprocket (Includes Key)
30-0001
$76
A small, eight-toothed metal gear with a rectangular keyway and an accompanying rectangular metal key are displayed against a white background. The gear has some numbers and letters inscribed on its side.
Includes: The sprocket with 9 teeth located on the transmission shaft that connects to the drive wheel sprocket via #50 chain.
Order Part

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