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Serafin Ultisow

Single Disc Seeder



The Ultisow S60 & S66 is renown Australia Wide for coupling robustness, strength and reliability with versatility & maneuverability. It starts with a high quality engineered double truss frame with double folding wings that keep transport widths down to 6m for the S60 and 7m for the S66. The Ultisow S60 & S66 are  truly the Number One seeder for all conditions for large scale farmers.

Featuring 18m or 20m sowing widths, fitted standard with the new SB2019 Single Disc Row Units over 2 rows with row spacing down to 187.5mm, & Electric over hydraulic down pressure control of row units with in-cab controller & digital pressure gauge.

Keeping  it moving along are recently upgraded 8x 400/60×22.5 flotation tyres on the centre frame &  8 x 500/50×17 flotation tyres on the wings. This tyre package can mean this beast can handle up to 96 rows on 7 1/2″ spacings without any drama. 

Ultisow Early Order Program

Order Now to Secure Delivery for 2022

Ready to order, or have questions?

Fill in the form below and our sales team will be in touch ASAP. 


We've found Serafin service excellent...
we're happy with the strength of the frame, the build quality in the frame, and the durability of the row units.

Darryl Harper, NSW

SERAFIN | ULTISOW S60 – S66 | SINGLE DISC SEEDER | 18 – 20m Specifications

# DISCS # ROWS Working Width Row Spacing HP Requirement Transport Width Disc Size Disc Type Weight
60 2 18m 300mm 360hp 6.0m 20" Single Disc 18,000kg
72 2 18m 250mm 430hp 6.0m 20" Single Disc 20,000kg
90 2 18m 200mm 480hp 6.0m 20" Single Disc 22,500kg
66 2 20m 300mm 390hp 7.0m 20" Single Disc 19,000kg
80 2 20m 250mm 425hp 7.0m 20" Single Disc 21,000kg
100 2 20m 200mm 490hp 7.0m 20" Single Disc 24,000kg

SERAFIN | ULTISOW S60 – S66 | SINGLE DISC SEEDER | 18 – 20m Features

Ultisow S1896 Working Image Drone Shot

Super Strong Double Truss Frame

Forming the basis of the S160/S66 Ultisow is the super strong double truss frame made from massive 300x300x10mm centre chassis rails which gives it the  extra strength and weight for penetration that leaves all others for dead.

The frame is finished off with full end capping and fully powdercoated to ensure your seeder lasts a lifetime.

Serafin Ultisow S1890 folded up for transport
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Bi-Fold for Narrow Transport

As we all know it is getting harder to transport machines around from farm to farm. Everyone wants wider machines too. 

This is were the Ultisow S60/S66 comes into its own. The clever Bi-Fold design means that it can fold up to 6m (S60) & 7m (S66) so with a double escort you can safely move the seeder.

Click the image to watch it fold up!

Serafin Ultisow S1890 super strong drawbar
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Extra Long Drawbar & Casting Front Wheels

By having a long drawbar and casting front wheels the S60/S66 is still nimble and easily to maneuver at the end of headlines, allowing for tight turns and small head lands.

By upgrading the centre frame tyres to 400/60×22.5 as well, the tyre package is ready for narrow spacing down to 7 1/2″. 

Click the image to see what we mean

Darryl Harper with new Ultisow S1896

The machine has been quiet reliable. We have had good service from Serafin's, and we are happy with the strength and build quality of the frame & the durability of the row units.

Darryl Harper, nsw

Serafin Baldan SB2019 Row Unit

Baldan SB2019 Single Disc Row unit on stand - edit white background

Simple to adjust seeding depth with 1/2″ increments

Open gauge wheel with heavy duty hub to allow for mud / trash to escape

Large 20″ x 6mm disc blade for longer life & better penetration 

Press wheel with independent down pressure adjustment – range of tyre options

Non-greasable needle roller bearings – does away with wearing bushes & pins for less maintenance and a much longer life

Closing wheel with independent down pressure adjustment with different options of wheel type available

SB2019 Single Disc Opener

The forth generation of Serafin single disc openers from Baldan is the new SB2019 unit. This opener has many improvements over the previous models and most of these have come directly from Australian Farmer feedback.

The SB2019 has maintained its large 20″x 6mm single disc blade that operates on a 7 degree angle. It has also kept the open depth gauge wheel, the needle roller bearings in the top pivot and its simple, robust casting.

Improvements has been focused on reducing the amount of maintenance required for this unit. A single regular grease point on the auxiliary bush has a service interval of 200 hours and a bi-annual grease point on the depth adjuster handle. The new style disc hub doesn’t require greasing any longer nor does it require pre-loading. 

Other improvements have been focused on seed placement. The modified casting of the SB2019 seedboot has improved seed placement by offering a smoother flow through the seedboot. 

The row unit has also been modified to allow for a narrower spacing down to 158mm over 2 rows. This is only achievable with the BUCO narrow gauge wheel which is able to be fitted to the spoked hub since it has been reversed.

For more info please click the link below:

SERAFIN | ULTISOW S60 - S66 | SINGLE DISC SEEDER | 18 - 20m - Ultisow S60
Standard SB2019 Configuration

Common options for the SB2019

SERAFIN | ULTISOW S60 - S66 | SINGLE DISC SEEDER | 18 - 20m - Ultisow S60
Serafin Spiked Closing Wheel

Serafin’s own Spiked Closing Wheel replaces the standard closing smooth closing wheel. It provides some tilth next to the seed slot that assists with closing the seed slot more efficiently in harder conditions. It also reduces the amount of closing wheel bounce resulting in more even, consistent closing wheel down pressure

Individual Small Seed Placement Kit photo
Individual Small Seeds Placement

Allowing the operator to sow pasture seed and canola through a separate seeding tube that runs along the press wheel arm and places the seed into the seed slot once the press wheel has gone through. This separates the main seed / fertiliser from the small seed plus sows this at a very shallow depth, independent to the main seed depth.

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Not a standard fitment but highly recommended is an air diffuser which comes fitted to the row unit to allow for higher rate of air flow to reduce blockages as well as reduce seed bounce. 

Available in plastic D-Cup style (as per video) or a Serafin Stainless Steel type for longer service life. We also offer other diffuser options as well.

Click to watch the short video

Serafin Ultisow S1260 Hi Lift Uniforce Focus 3
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We can now offer the Exapta Uniforce hydraulic down pressure system to our single disc row units as a special factory order. 

This removes the standard steel spring, replacing it with a hydraulic cylinder that allows for more travel, more consistent down pressure and much smoother operation in the field.

Serafin Ultisow Hi Lift with Needham options

Available as a retrofit or factory order, we are able to offer a range of Needham aftermarket components to be fitted to our single disc units. 

These options include the popular Needham V8 firming wheel that has a long wear life & flex that allows for it to work consistently to the bottom of the furrow for excellent seed to soil contract.

Serafin single disc unit with Liquid Systems dual liquid tubes

We can offer either a complete liquid fertiliser system from Liquid Systems or just the liquid fert tubes to retrofit your own system to.

The Ultisow single disc unit can have either a single or dual tube setup mounted to the closing wheel arm. This allows the operator to direct the liquid product either in the seed trench or beside, depending on their needs.

Other Machine Options

Contact Serafin Machinery's sales team

Want to talk about customisation, or just have a few questions?

Don’t hesitate to get in touch with our sales team. 

Serafin Machinery Staff Denis Aramini
Denis Aramini
Serafin Machinery 2020 Jason Sibraa IMG_0113 WEB
Jason Sibraa

Enquire about the SERAFIN | ULTISOW S60 – S66 | SINGLE DISC SEEDER | 18 – 20m

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