Approximately how much weight would this motor be able to "lift" vertically? Over 100 lbs?

Typically, you'd need to connect this to a lead screw or rack and pinion in order to convert the rotational motion into linear motion ("lifting"). Let's say you used a lead screw 5 turns-per-inch x .5" diameter. That lead screw with this motor properly driven would theoretically be able to lift a 750lb weight.

What is the pinout? I have red, yellow, green and blue wires. How does that map to a+- and b+-?

I don't recall the pairs by color on these, but you can tell by touching two wires together. Spin the spindle, it should spin freely. Touch two of the 4 wires together and try to turn the spindle again. If the spindle has resistance and harder to spin when touched together then those two wires are paired. It won't matter which you consider positive or negative of the two, since its DC, to my knowledge at least. Hope this helps.

cant read dimension from picture on here, but wanted to start milling the mounting plate before it arrives in 2 weeks, how can I get those specs?

The meeting services standard nema34 look up the standard. The shaft unfortunately is a 14 mm shaft with a key in it. I can find no 14 mm police online that already had a keyway in it. I am buying the keyway tool. If you order this motor others like it for a very small charged you can ship them to me I will put the keyway in it and send it to you. Probably going to be cheaper than trying to find a local machinist to do it

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Nema 34 Stepper Motor 6A 8.5Nm (1200 oz-in) 118mm Length for CNC Router Mill Lathe, Black

Product ID: 341038778

Details

Brand
Speed
100 RPM
Voltage
36 Volts 500
Horsepower
100 Watts
Material
Alloy Steel

⚡6A rated current precision

📏Compact 118mm length

⚙️8.5Nm torque powerhouse

1035.36 DT

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Description

⚙️ Power your precision projects with torque that means business!

COMPACT YET POWERFUL - Slim 118mm length fits seamlessly into tight CNC router, mill, or lathe setups.
PRECISION ENGINEERING - 1.8° step angle with 5% accuracy ensures smooth, exact movements every time.
DURABLE ALLOY STEEL BUILD - Crafted from premium alloy steel for long-lasting reliability under demanding conditions.
UNMATCHED TORQUE PERFORMANCE - Delivers a robust 8.5Nm (1200 oz-in) holding torque for heavy-duty CNC tasks.
OPTIMIZED FOR HIGH EFFICIENCY - Rated 6A current and 36-48V voltage for consistent, energy-efficient operation.

The Nema 34 Stepper Motor by HobbyUnlimited is a high-torque, precision-engineered motor designed for professional CNC applications. With an 8.5Nm holding torque, 1.8° step angle, and compact 118mm length, it offers reliable, smooth performance in a durable alloy steel frame. Rated for 6A current and 36-48V voltage, it’s optimized for demanding milling, routing, and lathe operations, making it a must-have for serious makers and engineers.

Specifications

ASIN	B077X9R2CW
Best Sellers Rank	#133,487 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #155 in Electrical Motor Controls
Brand	HobbyUnlimited
Brand Name	HobbyUnlimited
Horsepower	100 Watts
Item Weight	3.6 Kilograms
Item weight	3.6 Kilograms
Manufacturer	HobbyUnlimited
Material	Alloy Steel
Material Type	Alloy Steel
Speed	100 RPM
UPC	636824685644
Voltage	36 Volts , 500 Volts

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1035.36 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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1 month ago

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