HobbyZone Gearbox (No Motor): Champ, UM T-28 (HBZ4929)
$7.99
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HobbyZone Gearbox (No Motor): Champ, UM T-28 (HBZ4929)
$7.99
Genuine Replacement
OEM HobbyZone Quality Part
Gearbox Assembly
Motor Not Included Gearbox
Micro Aircraft Gear
Fits HobbyZone Champ Ultra
Precision ReplacementKeep Your Champ Flying High
The official HobbyZone Champ Gearbox (No Motor) (HBZ4929) is an essential replacement component designed to restore maximum flight efficiency to your favorite micro RC plane. Engineered for perfect fitment, this high-quality RC plane replacement gearbox ensures smooth power delivery from your brushed motor to the propeller shaft.
Factory OEM QualityRestore Smooth Propeller Drive Efficiency
Maintain optimal airworthiness and smooth throttle response with the authentic HobbyZone Champ Gearbox (No Motor). Whether replacing a worn drive gear or repairing damage from an unexpected crash, this genuine OEM HobbyZone spare part installs seamlessly into the ultra-micro fuselage. Built from durable lightweight materials, it delivers low-friction power transmission without adding extra weight to your micro aircraft setup.
Technical DetailsCompatibility And Part Information
Compatible Vehicles
HobbyZone Champ Ultra Micro RTF (HBZ4900) (plane)
Part Number
HBZ4929
Part Type
Gearbox / Drive Assembly
Motor Included
No (close)
Material
Composite Frame with Metal Shaft
Placement/Position
Front Fuselage Assembly
Scale
Ultra Micro RC Plane Part
Key AdvantagesDesigned For Optimal Performance
Direct FitmentSeamless installation on the HobbyZone Champ
Lightweight ConstructionPreserves factory micro center of gravity
Efficient Power TransferSmooth gear mesh minimizes friction
Factory DurabilityStrong plastic housing built for reliable operation
Easy Repair SolutionPerfect drop-in replacement for bent or worn gearboxes
Frequently Asked QuestionsEverything you need to know
Is the motor included with the HobbyZone Champ Gearbox (No Motor)?
No, the HobbyZone Champ Gearbox (No Motor) includes only the gearbox unit and drive shaft assembly. The motor must be reused from your original vehicle or purchased separately.
Which aircraft is the HobbyZone Champ Gearbox (No Motor) compatible with?
The HobbyZone Champ Gearbox (No Motor) (HBZ4929) is specifically designed as a factory replacement part for the HobbyZone Champ Ultra Micro RTF airplane.
How do I know if I need to replace my HobbyZone Champ Gearbox (No Motor)?
If your propeller shaft is bent, the gearbox housing is cracked, or the gear teeth are stripped causing throttle slippage, installing a new HobbyZone Champ Gearbox (No Motor) will restore performance.
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