• Husqvarna PG 400 | Single-Disc Floor Grinder
  • Husqvarna PG 400 Time saving tool change
  • Husqvarna PG 400 Versatile
  • Husqvarna PG 400 Easy removal
  • Husqvarna PG 400 Easy to transport and set-up
  • Husqvarna PG 400 Easy to use
  • Husqvarna PG 400 Efficient dust management
  • Husqvarna PG 400 Ergonomic working position
  • Husqvarna PG 400 Hour meter
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Husqvarna PG 400 | Single-Disc Floor Grinder

Husqvarna PG 400 | Single-Disc Floor Grinder

HUSQVARNA CONSTRUCTION SKU: 970704502 Copied!

Is this the right tool for the job?

Best For:

  • 1–2 person crews doing room-by-room prep in occupied spaces
  • Removing thin coatings, paint, and adhesive; smoothing high spots
  • Daily use with a vac; mobile crews working site to site

Not Ideal For:

  • Thick epoxy, membranes, or heavy adhesive buildup—use a scarifier
  • Large open floors where production rates matter—use planetary
  • High-gloss polishing or deep leveling/flatness—use multi-head

Why Pros choose this tool:

  • Weighted single-disc head → controlled removal without gouging → bond-ready profile, fewer callbacks
  • Redi Lock quick-change tooling → swap grits for slab/coating fast → less downtime, right CSP on first pass
  • HEPA-ready dust shroud + vac port → captures fines at source → cleaner air, easier silica compliance indoors
$7,549.00
$8,678.00 $7,549.00
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Product Details

HUSQVARNA SINGLE-DISC FLOOR GRINDER - PG 400

Introducing the Husqvarna PG 400, a versatile and highly productive single-disc floor grinder. This powerhouse tool, with its 15.75-inch wide grinding width, is proficient in grinding mediums such as adhesives, paint, epoxy, and spackle on concrete areas of medium to large sizes. It’s designed for the demanding construction worker who values efficiency, quality, and durability.

The PG 400 is compact and foldable, making it easy to transport. It's ergonomically designed for comfortable use, minimizing physical strain and maximizing productivity. This corded grinder operates on a single phase, powered by a 3.73 horsepower engine, capable of reaching a maximum disc speed of 1,140 rpm.

  • Powerful 3.73 horsepower engine
  • Single phase, corded power source
  • 15.75-inch grinding disc diameter
  • Maximum disc speed of 1,140 rpm
  • Compact and foldable for easy transport
View full details
Product Specification
Husqvarna PG 400 | Single-Disc Floor Grinder
Specifications
Engine Power (As rated by the engine manufacturer)
3.73 hp
Power source
Corded
Phases
1 ph
Voltage
220-240 V
Rated current
18 A
Frequency
60 Hz
Pins
2-pin
Number of grinding discs
1
Grinding disc diameter
15.75 in
Grinding disc speed max
1,140 rpm
Packaging length (Calc)
38.976 in
Packaging width (Calc)
21.26 in
Packaging height (Calc)
36.22 in
Article gross weight (Calc)
299.829 lbs
Warranty
1 year limited warranty
Related Equipment
Service & Maintenance Parts
CHASSIS / FRAME 11 parts
CHASSIS / FRAME diagram
Part Article number Qty Comment Price Details
1SCREW IHSCM 725536851 2
2WASHER 575395101 2
3WHEEL 502545001 2
4CHASSIS 585109102 1
5BOLT 586991704 2 HDX variant only
5BOLT 586991702 2
6SPRING COTTER 721680251 2
$26.94
$7.15 $26.94
View part
7HEXAGON LOCKING NUT 732252001 2
$22.78
$2.87 $22.78
View part
8WASHER 734117201 2
$22.68
$2.76 $22.68
View part
9SCREW IHSCM 725549501 2
10WIRE 590540001 1 HDX variant only
ELECTRICAL 56 parts
ELECTRICAL diagram
Part Article number Qty Comment Price Details
1SCREW CRPANM 724136851 4
2RIVET 521886601 4
3LID 586474303 1 HDX variant only
3LID 586474301 1
4SEALING 586467002 1
5HOUR METER 584296301 1
$246.17
$233.00 $246.17
View part
6SWITCH KIT 586991501 1
$185.00
$170.00 $185.00
View part
7SWITCH KIT 586991601 1
8LAMP 584297101 1 230V
8LAMP 584297103 1 415V
9CONTACTOR 585365801 1 200-230V, 50/60Hz
9CONTACTOR 585365803 1 400-480V, 50/60Hz
10RELAY 584297802 1 3 phase, 400-480V
10PROTECTION 580623501 1 1 phase, 220-240V, 60Hz
10PROTECTION 580623502 1 3 phase, 220-240V
11SCREW IHSCM 725532501 4
12RAIL 522747001 2
13HEXAGON NUT 731231601 1
$22.78
$2.87 $22.78
View part
14FUSE HOLDER 525882601 1
15SCREW IHSCM 725536455 1
16FUSE 525638101 2
17HEXAGON LOCKING NUT 732251401 4
$21.45
$21.45
View part
18TERMINAL BLOCK 585366105 3
19TERMINAL BLOCK 585366103 1
19TERMINAL BLOCK 585366107 1 US, 1 phase, 100-120V
20TERMINAL BLOCK 585366101 2 US, 1 phase, 120V
20TERMINAL BLOCK 585613501 2 2pcs for 1ph and 3 pcs for 3ph machines
21MOUNTING PLATE 590075801 1
22SCREW EHHM 725245171 4
23WASHER 734116301 4
$22.68
$2.76 $22.68
View part
24HEXAGONAL SCREW M6X12 725236651 2
25WASHER 734115201 1
$22.78
$2.87 $22.78
View part
26LOCKWASHER 735215301 1
27CABLE GROMMET 510431701 1
28PLUG 586586901 1
28PLUG 586586902 1 US, 1 phase
29ELECTRONIC BOX 582506904 1 HDX variant only
29ELECTRONIC BOX 582506903 1
30CABLE 586237801 1 3 phase
30CABLE 586237802 1 AUS, 3 phase
30CABLE 586237803 1 US, 3 phase, 240V
30CABLE 586237805 1 JP
30CABLE 586236808 1 BR
30CABLE 586236812 1 US, 1 phase, 230V
31CABLE 585638107 1 3 phase
31CABLE 585638110 1 US/CAN, 1 phase
32CONNECTOR 585366605 1
33CONNECTOR 590503501 1
34SCREW 725522401 2
$33.80
$23.80 $33.80
View part
35HEXAGON LOCKING NUT 732251001 2
36ELECTRONIC BOX 587173902 1 3 phase
37ELECTRONIC BOX 587173901 1 1 phase
38CAPACITOR 587174503 1 230V, 50/60Hz, run capacitor 45uF
39CAPACITOR 587174404 1 230V, 50/60Hz, start capacitor 250uF
40SWITCH 587174304 1 1 ph, 230V, 60Hz
42GROMMET 587174201 1
FRAME 51 parts
FRAME diagram
Part Article number Qty Comment Price Details
1LOCKING HANDLE 590373701 2
2COVER 587158501 1
3BRACKET 585516601 2
$69.98
$51.50 $69.98
View part
4SCREW IHSCM 725545501 2
5HANDLE TUBE 594905601 1 round tube design
5HANDLE 585144001 1 flat design
6SCREW CRPANT 729526171 1
7COVER 587158601 1
8BRACKET 585382801 1
9BRACKET 589837701 2
10RUBBER SHOE 585516801 2
11SCREW IHSCM 725529501 2
12FORK 585573511 1
13SCREW IHSETM 728828501 2
$11.26
$1.30 $11.26
View part
14SCREW IHSCM 725546001 8
15WASHER 734116301 8
$22.68
$2.76 $22.68
View part
16WASHER 585416201 2
17HANDLE 585133701 1
18LOCK NUT 732211801 8
$22.78
$2.87 $22.78
View part
19WASHER 585383101 2
20FORK 585573512 1
21SPRING 585417301 1
22SLEEVE 585383302 2
23ROD 585133801 1
24WASHER 734116541 4
$22.78
$2.87 $22.78
View part
25SPRING 585416101 1
26SPACER 585133501 2
27BUSH 585416001 2
28SCREW 725637451 2
$47.60
$37.60 $47.60
View part
29PLATE 585133301 2
30WASHER 734116541 4
$22.78
$2.87 $22.78
View part
31SCREW IHSCM 725546101 2
32SPACER 585132901 4
33LOCK NUT 732211801 2
$22.78
$2.87 $22.78
View part
34ROD 585133801 1
35SCREW IHSCM 725545101 2
36WASHER 734116541 2
$22.78
$2.87 $22.78
View part
37BRACKET 585383001 1
37BRACKET 585383003 1 HDX version only
38SCREW IHSETM 728828501 6
$11.26
$1.30 $11.26
View part
39SUPPORT 585109702 1
40HEXAGON LOCKING NUT 732251801 10
$21.39
$1.44 $21.39
View part
41TUBE 585129002 1
42SCREW IHSCM 725549101 2
43SCREW IHSCM 725549501 2
44BUSH 585129101 2
45FRAME TUBE 593897102 1
46WING KNOB 590472201 2
47WASHER 734117201 1
$22.68
$2.76 $22.68
View part
48HEXAGON LOCKING NUT 732252001 2
$22.78
$2.87 $22.78
View part
49WASHER 734117201 2
$22.68
$2.76 $22.68
View part
GRINDING HEAD 24 parts
GRINDING HEAD diagram
Part Article number Qty Comment Price Details
1SPACER 585083303 1
2DUST COVER 595838702 1
3BRUSH 582300012 1
4BRACKET 585540301 2
4BRACKET 585540302 2
5SPRING PIN 721425901 4
6MOUNTING PLATE 585159001 1
7SCREW IHCSFM 725637251 6
8SEALING PLATE 589797501 1
9SCREW IHSCM 725545301 6
10HUB 585514701 1
11SCREW IHCSFM 725636651 1
12SCREW IHCSFM 725637051 1
13PLATE 594895301 1
14ABSORBER 593438801 1
15PLATE 594895001 1
16WASHER 510235101 1
17CONNECTION 584816401 4
17WASHER 734117201 4
17SCREW IHSCM 725549701 4
18SCREW EHHM 725249571 1
19TOOL HOLDER 596657901 1
20SCREW IHCSFM 725636651 4
21HAMMER 522039701 1
MOTOR 12 parts
MOTOR diagram
Part Article number Qty Comment Price Details
1MOTOR 589686301 1 3-Phase
1MOTOR 585302202 1 1-Phase 60Hz
2FAN COVER 587174602 1 1-Phase 60Hz
2FAN COVER 594009901 1 3-Phase
3FAN 594010001 1 3-Phase
3FAN 587174702 1 1-Phase 60Hz
4SCREW EHHM 725254271 4
5WASHER 734118041 4
6HEXAGON LOCKING NUT 732252201 4
$21.45
$1.50 $21.45
View part
7HEXAGON NUT 731231801 4
$22.78
$2.87 $22.78
View part
8HANDLE 585423302 2
9SCREW IHSCM 725545101 4
WEIGHT KITS 9 parts
WEIGHT KITS diagram
Part Article number Qty Comment Price Details
1SCREW IHSCM 725546001 4
2WASHER 734116301 8
3BUSHING 590203401 2
4COUNTERWEIGHT 589837101 1
5COUNTERWEIGHT 589837201 1
6SCREW IHSCM 725545301 4
7DECAL 582347201 1
8DECAL 590518301 1
8DECAL 590518401 1
Document Downloads
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