what is the outside diameter of the main tube?

The outside tube is 2 1/4", the inner tube is 2". The LENGTH from the flange to the bottom of the 2 1/4" tube is 6 3/4". Make sure you check both the diameter of your lower hole as well as the distance from the lower hole to the upper hole. In spot checking several RVs around here, most were between 4" and 6" in depth making this jack unusable.

What is the warranty?

It has a one year limited warranty, but this unit is very powerful and is built very sturdy, you probably will never need it. I love this unit. I would rate it a 9 it would be a 10 if it supplied the new mounting bolts.

Does this jack come with a way to raise or lower it incase the motor fails ?

Easy to crank and you will probably need to . Cheap motor- mine died after using it for about 5 time

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RAM Trailer Products EJ-3520-BBX 3,500 lb. Electric Trailer Jack with Drop Leg - Black

Product ID: 38998163

Details

Brand
RAM MOUNTS
Load Capacity
3500 pound
Material
Steel
Maximum Lifting Height
18 inches
Vehicle Service Type
Trailer

💡Bright LED light for night hookup

🔋12V battery powered with manual override

⚙️Hardened steel gears for durability

€ 518.97

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Elevate your trailer game—power, precision, and night-ready convenience in one sleek package!

BUILT TO LAST - Durable hardened steel gears guarantee years of reliable, maintenance-free use.
POWER CONTROL - 3500 lb. lifting capacity powered by 12V battery with manual crank backup for total peace of mind.
CUSTOMIZABLE HEIGHT - Drop leg adds 7.5 inches of extra adjustment for perfect leveling every time.
EFFORTLESS NIGHT HOOKUPS - Bright LED light ensures seamless trailer connection even in the darkest conditions.
QUICK EASY INSTALLATION - Plug-and-play setup with all hardware included—get your trailer ready in under 30 minutes.

The RAM Trailer Products EJ-3520-BBX is a heavy-duty 3,500 lb. electric trailer jack featuring an 18-inch travel height, bright LED light for night use, and a drop leg for additional height adjustment. Built with hardened steel gears and a durable black powder-coat finish, it offers reliable, long-lasting performance. Powered by a 12V battery with a manual crank override, it ensures smooth, effortless trailer hitching and leveling with quick installation.

Specifications

ASIN	B01LDS3KWM
Best Sellers Rank	#269,837 in Automotive ( See Top 100 in Automotive ) #554 in RV Jacks & Stabilizers
Brand	RAM MOUNTS
Brand Name	RAM MOUNTS
Color	Black
Compatible with Vehicle Type	Trailer
Customer Reviews	4.4 out of 5 stars 1,887 Reviews
Global Trade Identification Number	00813431010261
Included Components	RAM EJ-3520-BBX 3,500 lb. Electric Trailer Jack with Drop Leg
Item Dimensions	31.5 x 10 x 7 inches
Item Type Name	Electric Trailer Jack with Drop Leg (3500 lb.)
Item Weight	23.9 pounds
Load Capacity	3500 pound
Manufacturer	RAM
Manufacturer Part Number	EJ-3520-BBX
Material	Steel
Material Type	Steel
Maximum Lifting Height	18 inches
Minimum Height	9 inches
Model Number	EJ-3520-BBX
Number of Items	1
Style Name	Trailer Jack
UPC	813431010261
Unit Count	1 Count
Vehicle Service Type	Trailer

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