Whats the difference between twin motor and double motor ?

The double motor gearbox can be configured with 4 different gear ratios. The twin can only be built with 2.

I have a Tamiya 1:35 scale Sturmgeschütz IV (Kit #35087), what else do I need besides this motor gearbox to make the tank R/C?

From what I can tell from TamiyaUSA your model is basically a static display. You are going to need an RC system (transmitter(s) / receiver(s) ), propulsion (presumably DC motors and possibly but not necessary a gear box like the one you asked about. I would contact someone in the RC model business (RC planes, boats, cars, whatever) to discuss your plans.http://www.tamiyausa.com/items/plastic-model-series-20/1-35-scale-military-miniature-12000/german-sturmgeschutz-iv-kit-35087

how much more narrow is the twin motor gearbox than the double gearbox?

here are the dimensions for twin motor gearbox: Specifications:Size: 75 x 50 x 23 mmShafts: 3 mm hex, 105 mm long.The included FA-130 motors run at 3.0 Volts (4.5 V max)Stall torque: 4.6 gcmNo-load speed: 13,230 rpmCurrent: 0.5 A (each)Maximum ratio: 203:1Open axle space: 50mm each sideSpeed and Torque outputs (approximate), at 3 Volts:Gear Ratio: 58:1, 203:1Speed RPM: 230, 65Torque g-cm: 269, 941 dimensions for double gearbox:size: 70mm x 60mm x 23mm

Will this gearbox match up with the Tamiya tracked vehicle chassis or would I need to pick up the other style you sell that's around $1 more?

I have used those two together without a problem

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Tamiya 70097 Twin Motor Gearbox Assembly Set

Product ID: 112535408

Details

Brand
Tamiya
Age Range (Description)
Adult
Colour
MULTI
Theme
Vehicle
Item dimensions L x W x H
32 x 111 x 146

📏Compact 0.22 lb design

⚙️Dual motor power

🛠️Precision metal & plastic build

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Description

⚙️ Power your build with precision and speed!

TWIN MOTOR TORQUE - Experience unmatched power and speed with dual motors engineered for high-performance builds.
PRO LEVEL ASSEMBLY - Designed for serious hobbyists seeking precision and reliability in every gear shift.
COMPACT LIGHTWEIGHT - At just 0.22 pounds, this gearbox fits seamlessly into your 1/16 scale projects without bulk.
TRUSTED BY ENTHUSIASTS - Rated 4.3 stars by 245 users who demand quality and performance in their battle gear.
DURABLE METAL PLASTIC HYBRID - Crafted from premium metal and plastic for long-lasting strength and smooth operation.

The Tamiya 70097 Twin Motor Gearbox Assembly Set is a high-quality, USA-made component combining metal and plastic materials to deliver durable, compact dual-motor power. Perfect for 1/16 scale models, it offers reliable torque and smooth gear transitions, earning a strong 4.3-star rating from over 240 enthusiasts.

Specifications

ASIN	B001Q119AC
Brand Name	Tamiya
Country of Origin	USA
Customer Reviews	4.3 4.3 out of 5 stars (246)
Item Weight	0.22 Pounds
Manufacturer	tamiya
Material Type	Metal, Plastic
Model Number	70097-000
Number of Items	1
Part Number	4950344960118
UPC	799457349588

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S$69

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Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

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