Sailrite® Ultrafeed® LSZ-1 With WorkerB® Power Pack & Compact Table (110V)
SKU: 311607
5 Available


Experience the power and speed control of the Ultrafeed LSZ-1 With WorkerB Power Pack now with the added convenience and comfort of the Compact Sewing Table. Create a stationary sewing setup for your Ultrafeed without taking up too much room in your workshop, spare bedroom or wherever you sew. The Ultrafeed in the Compact Table is not portable, but the table’s small size is very easy to move around. If you’d like a portability option, you can order the Ultrafeed Industrial Carrying Case separately.

What Is an Ultrafeed®?

The Ultrafeed LSZ-1 (Patent #6499415) is a small yet heavy-duty sewing machine that performs both straight and zigzag stitches. The Ultrafeed is extremely versatile. It has the ability to sew incredibly thick, dense assemblies as well as lightweight home fabrics. You can also easily adjust the speed control dial for stitch-by-stitch sewing or faster, production-level output. These features, and many more, make the Ultrafeed the perfect machine for both beginners and seasoned sewers alike.

The body and internal components are all made of robust, high-quality metal, making it a machine that will deliver exceptional results year after year. Assembled and tuned by hand at our Indiana facility, each Ultrafeed must meet rigorous quality standards. Your Ultrafeed is examined and tested by Sailrite-certified sewing technicians before it’s packaged and shipped.

When you buy an Ultrafeed, you get more than just a machine. You’ll receive Sailrite’s unparalleled customer support and constantly expanding instructional videos. Sailrite is a family-owned and -operated company with over 50 years in the DIY industry. Your Ultrafeed makes you part of that family.

What Can It Sew?

In short, almost anything. The Ultrafeed powers through the heaviest materials and thickest assemblies you can fit under the presser foot. The Ultrafeed LSZ-1 can handle all sails for most 35-foot boats. For larger boats, it will depend on the weight of the sailcloth and the size of the sail. Its sewing capabilities have been proven in up to 10 layers of thick material, but it’s versatile enough to sew through lighter home fabrics as well.

Check out what it can sew:

  • Sailcloth
  • Heavy canvas
  • Vinyl fabric
  • Clear vinyl window material
  • Upholstery fabric
  • Denim
  • Soft to medium leather
  • Lightweight home and hobby fabrics
  • And so much more

About the WorkerB® Power Pack Motor System

The WorkerB Power Pack is Sailrite’s all-new motor system exclusively found on certain Ultrafeed Sewing Machine packages (currently 110V only). At 1/4 horsepower, the WorkerB delivers 2.5 times more power than other motors found on non-industrial sewing machines. The WorkerB features proprietary power-boosting technology. When the machine encounters resistance from changes in fabric thickness or density, the control box provides a boost in torque to power through. You can easily adjust the maximum sewing speed with the dial on the control box. Whether your comfort level is stitch-by-stitch precision or 638 stitches per minute, the WorkerB provides maximum power. An on/off switch allows you to shut the motor off with the machine plugged in. This is a great safety feature if you have small children or pets.

About the Compact Table

This sewing setup truly does it all. The Ultrafeed with WorkerB in the Compact Sewing Table is the best of both worlds: the equivalence in power of an industrial motor setup with the convenience of a smaller-size table and machine head. The WorkerB motor is attached to your Ultrafeed, which means you can drop the machine right into the table cutout without having to install an under-the-table servo motor, as with most stationary sewing setups.

The tabletop features convenient cutout slots for storing bobbins and other notions. The tabletop surface measures 23-1/2 inches wide x 18-3/4 inches deep with a 14-3/4-inch x 7-1/8-inch cutout for the sewing machine. The tabletop sits on our sturdy, metal L-Leg Table Frame. When assembled, the table height is 29-1/2 inches. An included oil tray helps to prevent oil drips.

The Sailrite Support Guarantee

We are committed to helping you get the most out of your Ultrafeed Sewing Machine. That’s why we offer you personalized support for the lifetime of your machine. We’ll be here to help you service your machine with in-depth videos, one-on-one support and Sailrite’s five-year limited warranty (see Warranty PDF below). Should you need them, we have replacement parts in stock and ready to ship out to you and, if all else fails, you can always send your machine back to us for repairs.

Your Package Includes:

  • Sailrite® Ultrafeed LSZ-1 Sewing Machine
  • Sailrite® WorkerB® Power Pack
  • Sailrite® WorkerB® Balance Wheel
  • Posi-Pin® Safety Shear — 4 sacrificial pins
  • Steel legs and frame
  • Lacquered tabletop with thread stand
  • Sailrite® Flex20 LED Light
  • EZ Set™ Stitch Length Plate
  • Needle Assortment Pack with Deluxe Seam Ripper & Lint Brush
    • #14 Round Point (Sharp) Needles (10 pack) – for thin fabric assemblies
    • #16 Round Point (Sharp) Needles (10 pack) – for medium fabric assemblies
    • #18 Round Point (Sharp) Needles (10 pack) – for thick fabric assemblies
    • #20 Round Point (Sharp) Needles (10 pack) – for heavy duty fabric assemblies
    • Double-sided lint brush
    • Deluxe Seam Ripper
  • V-92 White Polyester Thread – use with #18 and #20 needles
  • Electronic variable speed foot control
  • Sewing machine oil
  • 4 bobbins
  • Tool kit
  • Comprehensive Guidebook
  • Five-year limited warranty


Machine Series: Ultrafeed LSZ-1
Sewing Speed: 638 stitches/minute (with WorkerB Balance Wheel)
Straight Stitch Length: Max. 6mm
Zigzag Stitch Width: Min./Max. 0–5mm
Presser Foot Lift: 3/8"
Feed Type: Walking Foot
Shuttle: Oscillating (Cam/Rocker Arm Driven)
Power: 90VDC, 1/4 hp, 3 amps
Motor RPM: 5,800
Needle Bar Stroke: 34mm
Lubrication: Manual
Underarm Space: 7" x 4.5"
Bed Size: 14.5" x 7"
Tabletop Dimensions: 23.5"W x 18.75"D x 29.5"H
Carrying Weight: 62 lbs
Bobbin Size: Class 15 / Style A
Compatible Needles: System 135 x 16, System 135 x 17
Needle Size Range: #10–#22
Thread Size Range: Home–V-92
Brand: Sailrite
Thread Take-Up Lever: Link Type
Input Watts: 375
Output Watts: 350 (Max.)
Amperage: 0.38 (Starting); 3 (Max.)
Input Voltage: 110V A.C.
Warranty: 5 Years
Ultrafeed Sewing Machines are assembled in the United States with components from the United States, Taiwan and China.


Demo of Ultrafeed® with WorkerB® in Compact Table Stand

How to Assemble the Ultrafeed® Compact Sewing Table With WorkerB® Power Pack

Ultrafeed® LSZ-1 Sewing Demo

WorkerB® Power Pack Slow Speed Control Demo


Overall Rating : 4 3 Reviews

0 Reviews
0 Reviews
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Rob Moyer
Verified Purchase

What an amazing machine!

After going through my third sewing machine I decided to get something serious. I had never heard of sailrite but was recommended to them and was not disappointed. This machine is the real deal and is the perfect solution for the heavy duty sewing I am working with. This machine pushes right through so many layers of fabric and when it does get stopped the power pack kicks in to drive right through. It really is an amazing machine.

Beryl Sule
Verified Purchase

Great Item for the Price and Quality!

I got the table and the machine all together, with a few other items and am very blessed with the purchase.

Donald Hill
Verified Purchase

I am getting used to this machine, but I am disappointed that it won't take thread larger than 92. I was hoping to do some upholstery with it as well as my many other projects. If the Fabricator did zigxag, I would have bought that one.

Sailrite Response

Hi, I saw your comment on thread size and want to make sure you are aware that V-92 and the lighter V-69 are the most common thread sizes used for upholstery work. So you have no worries whatsoever about doing that type of sewing. Let us know if we can help with anything else. Best Regards, Sailrite Support

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