Discontinued: Replaced by the Atlas 4
Hydraulic trailer jack and power unit combo. Over 10,000 lbs of lifting force with remote control.
| Weight | 85.0 lbs |
|---|---|
| Dimensions | 40 × 12 × 12 in |
| Trailer Jacks | Gooseneck |
| Manufacturer | Stillwell Inc |
Discontinued: Replaced by the Atlas 4
Atlas Backpack Hydraulic Trailer Jack and Power Unit Combo
Stillwell Jack’s Atlas Backpack model has over 10,000 lb capacity and is designed for use with rugged, medium duty trailers. This 12,000 lb. hydraulic trailer jack kit comes complete with double acting power unit and 15′ corded remote.
View: Atlas Backpack PDF
This item will ship Truck Freight.
Stillwell Hydraulic Trailer Jack Features:
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- Bolt on or weld applications
- Bolt on or weld applications
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- Over 10,000 lb capacity
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- Double-acting Bucher/Monarch power unit
- Double-acting Bucher/Monarch power unit
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- Manual hydraulic lowering override
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- 15′ corded remote controller
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- Guide bearings eliminate metal on metal friction and galling
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- Painted body – powder coated steel
- Painted body – powder coated steel
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- 26″ of power up power down travel
12,000 LB Stillwell Hydraulic Trailer Jack with Power Unit | Atlas Backpack Model
$1,075.00
In stock
No sales tax
Expected delivery Sep 10 - Sep 14









The jack itself is well built and our customers have been happy with the installs we've done using it. Took a bit longer than expected to recieve the first order but customer service sorted it out and we've ordered a couple more since.
Replaced an old manual jack with this and we're not looking back. Lifts our heaviest trailers without breaking a sweat and the remote makes it a one man operation which saves us alot of time during harvest season.
fit perfect, no leaks, works as advertised
Had this thing on a heavy gooseneck for two seasons now and zero complaints. Build quality is solid, the hydraulics are smooth, and I've put it through some rough use. Genuinely impressed with how it's held up.
Thing works great and the remote is a nice touch when you're working alone. Only reason I'm not leaving the top mark is the power unit was a little loud for my taste, but honestly it hasn't slowed me down one bit on the job.