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

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

Product ID: 341038778

Details

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

⚡6A rated current for precision

📏Compact 118mm length

⚙️8.5Nm torque powerhouse

MOP$1588

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Description

⚙️ Power your precision projects with torque that means business!

COMPACT YET MIGHTY - Slim 118mm length fits seamlessly into tight CNC router, mill, or lathe setups.
PRECISION ENGINEERING - 1.8° step angle with 5% accuracy ensures ultra-smooth, reliable motion control.
UNMATCHED TORQUE POWER - Delivers a robust 8.5Nm (1200 oz-in) holding torque for heavy-duty CNC tasks.
DURABLE ALLOY STEEL BUILD - Crafted from premium alloy steel for long-lasting performance under demanding conditions.
OPTIMIZED FOR HIGH CURRENT - Rated at 6A and 36-48V, designed to handle intense workloads without compromise.

The Nema 34 Stepper Motor by HobbyUnlimited is a high-torque, precision-engineered motor featuring 8.5Nm holding torque, a compact 118mm length, and a 6A rated current. Built with durable alloy steel and optimized for CNC routers, mills, and lathes, it delivers reliable, smooth motion control for professional-grade machining.

Specifications

ASIN	B077X9R2CW
Best Sellers Rank	#92,169 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #102 in Electrical Motor Controls
Brand Name	HobbyUnlimited
Horsepower	100 Watts
Item Weight	3.6 Kilograms
Manufacturer	HobbyUnlimited
Material Type	Alloy Steel
Speed	100 RPM
UPC	636824685644
Voltage	36 Volts, 500 Volts

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MOP$1588

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In stock

Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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