JUKI MO-6804AS-0A4-150/DD10K
The JUKI MO-6804AS-0A4-150/DD10K is a high-speed, 1-needle, 3-thread industrial overlock serger. Built for ultimate precision, it features an integrated DD10 direct-drive servo motor that ensures eco-friendly energy savings and silent operation. This specialized machine handles extra-light to lightweight fabrics with ease.
It is engineered to deliver a stunning, narrow 1.5mm rolled hem finish. With a blazing speed of 7,000 stitches per minute, it reduces noise and eliminates fabric oil stains. It is the perfect choice for delicate, soft-to-the-touch seams.
3 Wide Applications
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Bridal Veils: Sews narrow rolled edges on fine tulle, often feeding fishing wire through the needle plate for a wavy effect.
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Blouses and Shirts: Creates delicate, clean edge finishes on light silk, chiffon, and lightweight woven items.
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Activewear and Swimwear: Produces flexible, soft seams on thin knits using woolly nylon thread to match fabric stretch.
Core Maintenance Steps
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Daily Lint Cleaning: Clear all dust from the knives, feed dogs, and loopers using a lint brush or compressed air.
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Daily Oil Inspection: Check the oil window to ensure the automatic lubrication system has enough fluid before sewing.
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Weekly Needle Check: Inspect the needle for dullness or bent tips, and replace it immediately to prevent fabric snags.
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Monthly Filter Cleaning: Clean or swap the cartridge-type oil filter to keep the automated oiling system running smoothly.
5 Failure Possibilities
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Thread Breaking: Caused by tight tension dials, rough loopers, or incorrect threading paths.
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Skipped Stitches: Happens when the needle is bent, installed backward, or timed incorrectly with the loopers.
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Fabric Bunching: Occurs if the differential feed ratio or presser foot pressure is set wrong for light fabrics.
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Dull Edge Cuts: Caused by worn, nicked, or misaligned upper and lower trimming knives.
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Oil Splattering: Arises from overfilling the oil reservoir or a blocked internal oil filter.
Maintenance Procedure Steps
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Power Down: Switch off the machine motor and unplug the power cord from the wall.
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Remove Needle/Foot: Take out the needle and remove the presser foot to safely access the workspace.
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Open Covers: Swing open the cloth plate cover and looper cover to reveal the internal mechanisms.
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Brush and Blow: Use a brush or compressed air to clean out fabric dust from the feed dogs and knives.
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Wipe Looper Area: Clean away greasy lint buildup around the upper and lower loopers.
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Lubricate Parts: Add a few drops of JUKI Machine Oil 18 to the manual oiling points and needle bar.
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Reassemble Everything: Close all protective covers, insert a fresh needle, and test stitch on scrap fabric.
Similar Models
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JUKI MO-6804S-0E4-30H: A 3-thread overlock machine designed for standard 4.0mm overedging on medium fabrics.
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JUKI MO-6814S-BE6-40H: A 2-needle, 4-thread model built for sewing stretchy knit garments.
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JUKI MO-6816S-FF6-30H: A 5-thread safety stitch machine configured for heavy-duty assembly work.
High-Mortality Spare Parts
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DC×27 Sewing Needles: Change every 8 to 10 hours of active use. Keep 50 pieces in stock.
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Upper Trimming Knife: Replace every 1 to 3 months based on material type. Keep 3 pieces in stock.
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Lower Trimming Knife: Replace every 2 to 4 months alongside the upper knife. Keep 3 pieces in stock.
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Upper Looper: Replace immediately if nicked or bent by a broken needle. Keep 1 piece in stock.
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Lower Looper: Replace immediately if scratched, rough, or damaged. Keep 1 piece in stock.
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Cartridge Oil Filter: Replace every 6 months to maintain clean oil circulation. Keep 2 pieces in stock.
Technical Data Sheet
| Specification Parameter |
Technical Data Value |
| Model Number |
MO-6804AS-0A4-150/DD10K |
| Stitch Type |
1-Needle Overlock (Rolled Hem) |
| U.S.A. Stitch Style |
504 |
| Max. Sewing Speed |
7,000 stitches per minute (sti/min) |
| Overedging Width |
1.5 mm |
| Stitch Length |
0.6 mm to 3.8 mm |
| Differential Feed Ratio |
Gathering 1:2 (Max 1:4) / Stretching 1:0.7 (Max 1:0.6) |
| Needle System |
DC×27 (Standard) |
| Needle Bar Stroke |
24.5 mm |
| Max. Presser Foot Lift |
6.0 mm |
| Motor Type |
DD10 Direct-Drive Servo Motor |
| Lubrication Oil |
JUKI Machine Oil 18 (ISO VG18) |
| Machine Head Weight |
27 kg |
- 1 year warranty + Free 1 Year machine training in house at Clementi
- Free installation & Delivery Local Islandwide + Demo upon Delivery
- The MO-6800A model of sewing machine has been developed while inheriting JUKI's advanced "dry" technology. JUKI is happy to launch the product which responds to customers' concern about oil stains on the fabric.
Export Packaging:
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Juki MO6804 Head:32kg -480x340x500mm. = 0.081cbm.
- Clutch Motor: 22kg - 370x300x250mm. = 0.027 cbm.
- Table: 18kg - 1070x570x40mm. = 0.024 cbm.
- Stand: 20kg - 800x580x140mm. = 0.064 cbm.
- Total box-4
Stitch type: 1-needle
Stitch style in the U.S.A.: 504
Lubrication: Semi-dry
Max. sewing speed: 7,000sti/min
Stitch length: 0.6~3.8(4.5)mm
Needle gauge (mm): -
Overedging width (mm): 4.0mm
Differential feed ratio: Gathering 1:2 (Max. 1:4), Stretching 1:0.7 (Max. 1:0.6)
Needle bar stroke: 24.5mm
Inclination angle of the needle: 20°
Needle mechanism: Lower bushing method
Needle: DC×27 (excluding some subclass model)
Max. lift of the presser foot: 7mm (excluding some subclass model)
Max. presser foot pressure: 63.7N (6.5kgf)
Stitch adjusting method: By push-button
Differential-feed adjusting method: By lever (with micro-adjustment)
Weight of the machine head: 27kg
Lubrication: Automatic (The needle bar mechanism and upper looper mechanism do not require lubrication.)
Lubricating oil: JUKI Machine Oil 18 (equivalent to ISO VG18)
Needle cooler: Provided as standard
Needle thread heat remover: Provided as standard
Micro-lifter: Option
For runstitching in general fabric:
MO-6814A
Stitch type: 2-needle
Stitch style in the U.S.A.: 514
Lubrication: Semi-dry
Max. sewingspeed: 7,000sti/min
Stitch length: 0.6~3.8(4.5)mm
Needle gauge (mm): 2.0mm
Overedging width (mm): 2.0, 3.0, 4.0mm
Differential feed ratio: Gathering 1:2 (Max. 1:4), Stretching 1:0.7 (Max. 1:0.6)
Needle bar stroke: 24.5mm
Inclination angle of the needle: 20°
Needle mechanism: Lower bushing method
Needle: DC×27 (excluding some subclass model)
Max. lift of the presser foot: 7mm (excluding some subclass model)
Max. presser foot pressure: 63.7N (6.5kgf)
Stitch adjusting method: By push-button
Differential-feed adjusting method: By lever (with micro-adjustment)
Weight of the machine head: 27kg
Lubrication: Automatic (The needle bar mechanism and upper looper mechanism do not require lubrication.)
Lubricating oil: JUKI Machine Oil 18 (equivalent to ISO VG18)
Needle cooler: Provided as standard
Needle thread heat remover: Provided as standard
Micro-lifter: Option
For runstitching in general fabric:
MO-6816A
Stitch type: Safety stitching
Stitch style in the U.S.A.: 516
Lubrication: Semi-dry
Max. sewingspeed: 7,000sti/min
Stitch length: 0.6~3.8(4.5)mm
Needle gauge (mm): 3.0, 5.0mm
Overedging width (mm): 4.0, 5.0mm
Differential feed ratio: Gathering 1:2 (Max. 1:4), Stretching 1:0.7 (Max. 1:0.6)
Needle bar stroke: 24.5mm
Inclination angle of the needle: 20°
Needle mechanism: Lower bushing method
Needle: DC×27 (excluding some subclass model)
Max. lift of the presser foot: 7mm (excluding some subclass model)
Max. presser foot pressure: 63.7N (6.5kgf)
Stitch adjusting method: By push-button
Differential-feed adjusting method: By lever (with micro-adjustment)
Weight of the machine head: 27kg
Lubrication: Automatic (The needle bar mechanism and upper looper mechanism do not require lubrication.)
Lubricating oil: JUKI Machine Oil 18 (equivalent to ISO VG18)
Needle cooler: Provided as standard
Needle thread heat remover: Provided as standard
Micro-lifter: Option
For runstitching in general fabric:
MO-6843D
Stitch type: 3-needle safety stitching
Stitch style in the U.S.A.: -
Lubrication: Semi-dry
Max. sewingspeed: 7,000sti/min
Stitch length: 0.6~3.8(4.5)mm
Needle gauge (mm): 5.0+2.0mm
Overedging width (mm): 3.0mm
Differential feed ratio: Gathering 1:2 (Max. 1:4), Stretching 1:0.7 (Max. 1:0.6)
Needle bar stroke: 24.5mm
Inclination angle of the needle: 20°
Needle mechanism: Lower bushing method
Needle: DC×27 (excluding some subclass model)
Max. lift of the presser foot: 7mm (excluding some subclass model)
Max. presser foot pressure: 63.7N (6.5kgf)
Stitch adjusting method: By push-button
Differential-feed adjusting method: By lever (with micro-adjustment)
Weight of the machine head: 27kg
Lubrication: Automatic (The needle bar mechanism and upper looper mechanism do not require lubrication.)
Lubricating oil: JUKI Machine Oil 18 (equivalent to ISO VG18)
Needle cooler: Provided as standard
Needle thread heat remover: Provided as standard
Micro-lifter: Option
For runstitching in general fabric:
Cutting-Edge Dry Technology for Achieving a Lubrication-Free Mechanism.
The needle bar mechanism and upper looper mechanism have been re-designed to require no lubrication. The most-advanced dry technologies, such as the special surface treatment applied to the major drive unit and the grease feeding method, contribute to higher durability. The machine does not splash oil after a long-period of use. The grease filler openings are newly provided for the sewing machine on two locations, i.e., one on the upper looper component and the other on the sewing machine frame, thereby improving maintainability.
Oil stains on the sewing product are eliminated.
Oil splashes are substantially reduced to eliminate oil stains on sewing products, thereby upgrading the finished quality.
The frequency of stain removal or re-sewing is reduced.
The machine achieves a practical maximum sewing speed of 7,000sti/min.
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