HD 9/20-4 M
Cold-water high-pressure cleaner with robust 4-pole low-speed three-phase motor.
2
3
4
1
SwitchChem
3
Clever features


For precise and infinitely variable cleaning agent dosing.


Power cord storage at the rear of the unit.
Two-way dosing valve for switching between different cleaning
Integrated lance holder for transport.
agents.
2
Powerful and durable
4
Outstanding mobility


Air/water-cooled electric motors for intensive use.


Large wheels for uneven surfaces.
Four-pole low-speed electric motor.
Upright design for easy, ergonomic transport.
HD 9/20-4 M, 1.524-400.0, 2018-03-19
1
TECHNICAL DATA AND EQUIPMENT
HD 9/20-4 M
 Air/water-cooled motor
 Easy Press trigger gun with soft grip and Servo Control
 3-piston pump with ceramic pistons
Technical data
Order no.
1.524-400.0
EAN code
4039784732612
Current type
Ph / V / Hz
3 / 400 / 50
Flow rate
l/h
460–900
Working pressure
bar / MPa
40–200 / 4–20
Max. pressure
bar / MPa
220 / 22
Max. inlet temperature
°C
60
Connection load
kW
7
Weight
kg
48
Dimensions (L × W × H)
mm
467 × 407 × 1010
Equipment

Spray gun with soft grip
High-pressure hose
m
10
Spray lance
mm
1050
Triple nozzle (0°/25°/40°)
Manual
ANTI!Twist
–
Pressure cut-off
–
Servo Control
–
 Included in delivery. HD 9/20-4 M, 1.524-400.0, 2018-03-19
Easy Press trigger gun
Spray gun
ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
3, 5
4, 6, 9–10
12–13
14
15
16–18
7
8
11
Order no.
ID
Max. working
pressure
Length
6.391-342.0
ID 8
315 bar
10 m
To extend the operating radius with the high-pressure clean
er. Connection on both sides M22 x 1.5.
6.390-010.0
ID 8
315 bar
15 m

6.390-031.0
ID 8
315 bar
20 m

6.390-293.0
ID 8
315 bar
30 m
To extend the operating radius with the high-pressure clean
er. Connection on both sides M22 x 1.5.
6.390-023.0
ID 10
220 bar
15 m

6 6.388-083.0
ID 8
400 bar
10 m
7 6.391-354.0
ID 8
400 bar
10 m
8 6.389-709.0
ID 8
400 bar
15 m
10 m high-pressure hose Longlife 400 (DN 8) with rotary
coupling, two layer high-strength steel wire reinforced.

Connectors at both ends. M 22 x 1.5, with kink protection.
To extend the operating radius with the high-pressure clean
er. Connection on both sides M22 x 1.5.
With rotary coupling, 2 x M 22 x 1.5
9 6.390-027.0
ID 8
400 bar
20 m
with rotary coupling, 2 x M 22 x 1.5
10 6.390-294.0
ID 8
400 bar
30 m
With rotary coupling, 2 x M 22 x 1.5
11 6.390-178.0
ID 8
400 bar
1.5 m
1.5 m high-pressure hose (DN 8, M 22 x 1.5) with kink protection and connectors at both ends. For connecting to hose 
reels with appropriate connector (M 22 x 1.5).
12 6.389-479.0
ID 8
250 bar
10 m
13 6.389-581.0
ID 8
250 bar
20 m
10 m high-pressure hose (DN 8) with patented (rotating)
AVS trigger gun connector. Non-discolouring outer layer for 
use in the food industry. M 22 x 1.5 with anti-kink sleeve.
20 m high-pressure hose (DN 8) with swivel coupling.
Non-discolouring outer layer for use in the food industry.

Connectors at both ends, M 22 x 1.5, with kink protection.
NW 8/155°C/250 bar.
Price
Description
Standard with unions on both sides
High-pressure hose, 10 m, ID 8,
1
315 bar, extension
High-pressure hose, 15 m, ID 8,
2
315 bar, including rotary coupling
High-pressure hose, 20 m, ID 8,
3
315 bar, extension piece
High-pressure hose, 30 m, ID 8,
4
incl. rotary coupling
High-pressure hose, 15 m, ID 10,
5
220 bar, extension piece
Longlife 400 with unions on both sides
High-pressure hose Longlife 400,
10 m, ID 8, including rotary coupling
High-pressure hose Longlife 400,
10 m, ID 8, extension
High-pressure hose Longlife 400,
15 m, ID 8, including rotary coupling
High-pressure hose Longlife 400,
20 m, ID 8, extension
High-pressure hose Longlife 400,
30 m, ID 8, including rotary coupling
High-pressure hose 1.5 m, ID 8,
including connectors



Food industry version with unions on both sides
High-pressure hose, 10 m, DN 8,
suitable for the food industry,
extension piece
High-pressure hose, 20 m, ID 8,
suitable for food industry, extension piece
High pressure hose food ID 8, 10
m
High-pressure hose food industry
400 bar, 20 m, ID 8, including
rotary coupling
Standard
14 6.391-864.0
ID 8
400 bar
10 m
15 6.391-887.0
ID 8
400 bar
20 m
High-pressure hose, 10 m, ID 8,
AVS trigger gun connector
16 6.390-025.0
ID 8
315 bar
10 m
High-pressure hose, 15 m, ID 8,
AVS trigger gun connector
17 6.390-185.0
ID 8
315 bar
15 m
High-pressure hose, 20 m, ID 8,
AVS trigger gun connector
18 6.390-171.0
ID 8
315 bar
20 m
Longlife HP hose for use in the food industry. Außen
decke## animal-grease-resistant, non-colour-bleeding material. With rotary coupling, 2 x M 22 x 1,5

 Included in delivery.  Available accessories.  Extension hose. 10 m high-pressure hose (M 22 x 1.5) with kink protection.
With patented rotating AVS trigger gun connector and manu- 
al coupling. Further data: DN 8/155°C/315 bar.
15 m high-pressure hose (M 22 x 1.5) with kink protection.
With patented rotating AVS trigger gun connector and manu- 
al coupling. Further data: DN 8/155°C/315 bar.
20 m high-pressure hose (M 22 x 1.5) with kink protection.
With patented rotating AVS trigger gun connector and manu- 
al coupling. Further data: DN 8/155°C/315 bar.
HD 9/20-4 M, 1.524-400.0, 2018-03-19
Longlife food design with screw connections at both ends
ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
19
20–21
22
Order no.
23
24
ID
Max. working
pressure
Length
Price
Description
Longlife 400
High-pressure hose Longlife 400,
10 m, ID 8, AVS trigger gun connection
Food industry version
19 6.391-351.0
ID 8
400 bar
10 m
With patented AVS connection in the trigger gun (rotatable)
and hand screw connection, M 22 x 1.5 with kink protection. 
With double steel reinforcement.
High-pressure hose, 10 m, DN 8,
AVS trigger gun connection, food,
grey
High-pressure hose, 20 m, ID 8,
AVS trigger gun connector, suitable
for food industry, grey
Longlife food design
20 6.390-704.0
ID 8
250 bar
10 m
Food industry version, AVS connection in the trigger gun.
grey NW 8/155 °C/250 bar
21 6.390-705.0
ID 8
250 bar
20 m
20 m high-pressure hose (DN 8) with patented (rotating)
AVS trigger gun connector. Non-discolouring outer layer for 
use in the food industry. NW 8/155°C/250 bar.
HIgh-pressure hose Longlife 400,
10 m, ID 8, AVS trigger gun connection
HIgh-pressure hose Longlife 400,
20 m, ID 8, AVS trigger gun connection
Special hoses
22 6.391-885.0
ID 8
400 bar
10 m
23 6.391-886.0
ID 8
400 bar
20 m
Longlife HP hose for use in the food industry. Außendecke## animal-grease-resistant, non-colour-bleeding mate- 
rial. With patented AVS connection in the pistol (pivot
mounted)
High-pressure hose, 1.5 m, ID 8,
incl. connection parts, curved
outflow
24 6.388-886.0
ID 8


400 bar
1.5 m
Connection hose in longlife quality with 2x M22 x 1.5, with
angled connection on one side.

HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
3
Order no.
4
Flow rate
5
Price
Description
Easy Press high-pressure trigger gun with holding force reduction (Kärcher patent)
Easy Press HP trigger gun with
soft grip
1 4.775-463.0
Easy press high-pressure trigger gun with softgrip. For
high-pressure hoses DN 6 and DN 8 with 11 mm swivel
diameter.

Servo control
Servo control
2 4.775-470.0

750–1100 l/h
Trigger guns
High-end HP trigger gun
3 4.775-823.0
High-end spray guns with optimised flow. Small pressure
losses also with water volumes up to 2500 l/h. Robustness
and durability for professional use. Food-safe and saltwater-resistant materials offer the best conditions for use in
the food sector and in industry. Connector for HP hoses M
22 × 1.5.

Quick connect
Quick coupling
4 6.401-458.0
Male coupling
5 6.401-459.0
For fast changes between different spray lances/accessories.
Perfect for Kärcher spray unit, suitable for trigger gun/spray 
lance interface. With M 22 x 1.5 internal thread.
Hardened stainless steel male coupling for quick coupling

6.401-458. With M 22 x 1.5 external thread.
HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
3
Order no.
4–5
Max. working
pressure
Nozzle size
Price
Description
Triple nozzles
Triple nozzle 050
1 4.767-154.0
300 bar
50
Triple nozzle with manual nozzle changeover. Convenient
spray adjustment. For high-pressure cleaners with injector;
low-pressure fan jet for detergent removal and application.
Connector M 18x1.5.

Angled vario nozzle 0-90°
Spezial nozzle 0005
2 4.763-039.0
50
Variable angle nozzle for spray angle adjustment from 0° to

90°. For easy adjustment to all kinds of soiling and surfaces.
50
The dirt blaster with rotating pencil jet offers 10 times
better cleaning performance. Ceramic nozzle and bearing
ring for a long service life. Further data: Max. 300 bar, 30
MPa, 85°C.
Dirt blaster, large
Dirt blaster
3 4.763-253.0
300 bar

Inaktiv
Dirt blaster - with changeover to
low pressure cleaning agent intake
Inaktiv
4 4.763-951.0
300 bar
50

Dirt blaster with changeover to
fan jet
5 4.763-957.0
300 bar
50

HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
3
4
5
6
7
8–9
10
11
12
13
14
15
Order no.
Max. working
pressure
Length
Price
Description
Rotating spray lances
1050 mm spray pipe, rotatable
600 mm spray pipe, rotatable
Spray lance, 840 mm, rotatable
1550 mm spray pipe, rotatable
2050 mm spray pipe, rotatable
1 4.760-660.0
300 bar
2 4.760-664.0
300 bar
3 4.760-663.0
300 bar
4 4.760-661.0
300 bar
5 4.760-662.0
300 bar
6 6.415-951.0
250 bar
1050 mm
600 mm
840 mm
1550 mm
2050 mm
1050 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360°
under pressure.
600 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360°
under pressure.
850 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360°
under pressure.
1550 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360°
under pressure.
2050 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360°
under pressure.





Spray lances
950 mm
The spring-loaded 360° loop handle significantly reduces the
vibrations on the spray lance, reducing the physical burden 
on the user, e.g. when working with the dirt blaster.
7 4.760-667.0
250 mm
250 mm stainless steel lance. With manual coupling. Non-ro
tatable.
Variable pressure spray lance
8 4.760-362.0
670 mm
Variable pressure lance
9 4.760-230.0
1040 mm
670 mm variable pressure lance with integrated pressure
gauge. Variable pressure adjustment on the handle. Nozzle 
connector: M 24 x 1.5. Low pressure detergent application.
1040 mm pressure adjustable lance with integrated pressure gauge. Variable pressure adjustment on the handle.

Nozzle connector: M 24 x 1.5. Low pressure detergent application.
Vibrasoft lance
Spray lance
250 mm lance, non-rotatable
Variable pressure spray lance
Adapter for variable pressure
lance
Angular spray lance
10 4.762-075.0
For items 4.760-230 and 4.760-362 for mounting accessories to lance, M 24/18 x 1.5

Spray lance for toilets and rain
gutters
11 4.760-073.0
Stainless steel lance WC and gutter with nozzle insert. Specially shaped for effective and hygienic cleaning of gutters
and toilets.

1050 mm flexible lance with variable bend from 20° to
140°, ideal for cleaning difficult to reach areas, e.g. gutters.

Flexible spray lance
12 6.394-654.0
210 bar
Telescopic spray lance
13 6.394-690.0
225 bar
Strap for telescopic spray pipe
14 6.373-987.0
Flexible lance 1050 mm
1050 mm
Telescopic spray lance
Can be continuously extended from 1.8 to 5.4 m. For cleaning areas that are difficult to reach, such as ceilings or fa
cades. With integrated HD trigger gun, M 22 x 1.5 connection with rotary coupling. Connection for M 18 x 1.5 nozzles.
Convenient strap for relief when working with the telescopic spray lance (6.394-690). The burden is optimally distrib- 
uted on the body and longer periods of use are possible.
Gutter cleaner
Gutter cleaning lance
15 2.642-305.0
 Included in delivery.  Available accessories.  Extension hose. The lance is suited for cleaning of gutter systems. Because
of the shape of the lance and the special nozzle the gutter
can be cleaned without removing the cover plates.

HD 9/20-4 M, 1.524-400.0, 2018-03-19
Adapter for variable pressure spray lance
ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
16
Order no.
Max. working
pressure
Length
Price
Description
Undercarriage spray lance
Underbody lance
16 4.760-245.0
700 mm
Stainless steel lance for effective and easy underbody and
wheel arch cleaning. Without high-pressure nozzle.

HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
Order no.
Price
Description
Miscellaneous
Backflow check valve
1 6.412-578.0
So that none of the cleaning agent ends up in the drinking
water circulation when there is low pressure in the water
line.

HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
Order no.
Price
Description
Y distributor
Y distributor
1 4.405-048.0
Offers the option to connect two spray units to the machine.

Installation on the high pressure outlet.
HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
3, 11
4
9
10
12
Order no.
5
Flow rate
Nozzle size
6
Diameter
7
Price
8
Description
Hard Surface Cleaner FRV 30
FRV 30 surface cleaner
1 2.642-999.0
Rubber lip for FRV 30
2 2.642-910.0
Extension hose 5 m
3 4.440-939.0
With the integrated and automatic suction of the dirty water, the FRV 30 makes surface cleaning even more efficient.
There is no longer a need to rinse the surface after cleaning,
as the dirty water can be removed through the 5m suction 
hose, which is supplied. Additional features include the
non-marking steering rollers and double ceramic bearings.
Machine specific nozzle kit must be ordered separately.
For smooth floors indoors. The squeegee increases the
suction performance of the FRV 30 and minimises the

amount of water remaining. This means the floor is dry in
just a few minutes.
5m extension hose for FRV 30. Connection sleeve included. 
Hose fastening attachment kit
4 2.642-528.0
Suction cup for fixing the suction hose to smooth surfaces.

Dirt trap attachment kit
5 2.642-532.0
Galvanised steel bucket for collecting coarse dirt and for
fixing the suction hose in outside areas.

Hot water resistant stainless steel surface cleaner with
double ceramic bearings, non-marking swivel castors and
suction hose connection. Ideal for indoor cleaning, e.g. food
industry.

FR 30 Me surface cleaner
Hard surface cleaner FR 30 Me
6 2.640-355.0
300 mm
Hard Surface Cleaner FR 50
Hard surface cleaner FR 50
7 2.640-679.0
500 mm
Hot water resistant stainless steel surface cleaner with 500
mm working width. Ideal for large areas.With double ceram
ic bearings, push handle, non-marking swivel castors and
detergent dosing system.
Machine-specific nozzle kits for FR
Nozzle kit for surface cleaners
8 2.640-442.0
850–1100 l/h
Nozzle kit includes power nozzles and unions. For Kärcher
surface cleaners (850 to 1100 l/h).

Machine-specific nozzle kits for FRV
Nozzle kit 050 – for FRV
9 2.642-433.0
50
Machine-specific nozzle kit with Kärcher power nozzles and

jet nozzle for FRV 30.
FRV 30 Me
10 2.642-911.0
Extension hose FRV 30 Me and
FRV 50 Me
Surface Cleaner FR 50 Me
11 4.441-040.0
FRV 50 ME
12 2.643-598.0
 Included in delivery.  Available accessories.  Extension hose. Thanks to automatic suction of the dirty water, the stainless
steel FRV 30 Me Surface Cleaner makes surface cleaning

more efficient in both inside and outside areas. Hot water
cleaning up to 85°C.
5 m extension hose for FRV 30 Me. Includes connecting

adapter.

HD 9/20-4 M, 1.524-400.0, 2018-03-19
FRV 30 Me surface cleaner
ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
3
4
5
7
8
9
10
11
12
13
14
15
Order no.
Price
Description
Nozzle union
1 5.401-210.0
For protecting and connecting Kärcher power nozzles to
spray lances (M 18 x 1.5 IG).

2 5.394-294.0
Guarantees constant safety clearance, e.g. for tyres and
bodywork. Helps prevent damage to sensitive surfaces.
Mounts directly to lance.

3 4.401-091.0
Reliably prevents twisting of HP hoses. Connection M 22 x
1.5 m. Handle protection

4 4.403-002.0
For overriding the dismantled heating coil for cleaningalter
native:4.111-029.0 adapter 1 - hose old / hose new
5 4.402-022.0
Nozzle connector/screw connector for connecting high-pressure nozzles and accessories to the high-pressure trigger

gun (with nozzle connector). Connectors: 1x M 22 x 1.5 and
1x M 18 x 1.5.
6 4.424-004.0
In order to install high-pressure hose with male coupling on
thread with M22 x 1.5 Alternative:4.111-032.0 Adapter 4 - 
Device new / Hose old Swivel
Adapter 1 M22AG-TR22AG
7 4.111-029.0
Adapter 1 to connect the old hose with the new hose

Adapter 2 M22IG-TR22AG
8 4.111-030.0

Adapter 3 M22IG-TR22AG
9 4.111-031.0
Adapter 2 to connect the old device with the new hose and
the old gun with the new hose
Adapter 3 to connect the old gun with the new spray lance
and new servo regulator
Adapter 4 to connect the new gun with the old swivel hose
Adapter 5 to connect the new gun with the old spray lance
and new servo regulator with the old spray lance
Adapter 6 to connect the new device with the old hose and
the old hose with the new gun
Adapter 7 to connect the old spray lance with the new
nozzle
Adapter 8 to connect the new spray lance with the old
nozzle

Nozzle connector
Spacer (including nozzle union)
Spacer (includes nozzle screws)
Rotary coupling
Rotary coupling
Coupling
Coupler -2xM22x1,5
Connector
Nozzle screws / screw socket
Adapters
Sealing cone complete
EASY!Lock adapter
10 4.111-032.0
Adapter 5 TR22IG-M22AG
11 4.111-033.0
Adapter 6 TR22IG-M22AG
12 4.111-034.0
Adapter 7 M18IG-TR20AG
13 4.111-035.0
Adapter 8 TR20IG-M18AG
14 4.111-036.0





Cleaning agent injector
Stainless steel injector kit for HD
9/20-4M
15 6.645-760.0
Dosing valve for stainless steel
injector
16 6.500-000.0
Cleaning agent injector for high
17 3.637-170.0
pressure (without nozzle)
Cleaning agent injector for high
18 3.637-001.0
and low pressure (without nozzles)
Machine-specific nozzle kit with order no. 4.637-033.0
Nozzle kit 750–1000 l/h
19 4.769-011.0
Nozzle kit 750-1000 l/h
20 4.769-047.0
 Included in delivery.  Available accessories.  Extension hose. For a working pressure of 300 bar at 95°C water temperature, this stainless steel injector was developed specifically
for the HD 9/20-4 M high-pressure cleaner. With suction
hose and vacuum filter.
Retrofittable dosing valve for stainless steel injectors. For
easy, convenient and precise cleaning agent dosing adjustment via a control knob.
Cleaning agent dosage at high pressure 3 - 5 %



Detergent injector for independent high and low pressure
dosage. Maximum dosage about 15%.

For HD/HDS 750 - 1000 l/h. Consists of nozzle insert + HP
power nozzle + union


HD 9/20-4 M, 1.524-400.0, 2018-03-19
Adapter 4 TR22IG-D11
ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
21–22
Order no.
Price
Description
Nozzle insert with order no. 4.637-032.0
Nozzle insert up to 1,100 l/h high pressure
21 4.769-003.0
Nozzle insert up to 1,100 l/h - low
pressure
22 4.769-001.0
Nozzle insert for detergent injector 3.637-001 for
high-pressure detergent application. For high-pressure
cleaners with a water flow rate up to 1100 l/h.
For low pressure with machines up to 1.100 l/h


HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1–2
3–4
12
13–15
5
Order no.
6
Max. working
pressure
Nozzle size
7
Diameter
8
Price
9–11
Description
HKF 50 spray head, brass
HKF 50 spray head, brass
1 3.631-039.0
Depth of immersion 850 mm. Interior cleaning head for
barrels and containers with bungholes of 50 mm and more.
Can be directly connected to the high-pressure cleaner.
Electric motor drive. Operation is possible both vertically
and horizontally
Depth of immersion 150 mm. Interior cleaning head for
barrels and containers with bungholes of 50 mm and more.
Can be directly connected to the high-pressure cleaner.
Electric motor drive. Operation is possible both vertically
and horizontally
2 3.631-058.0


Nozzle kit for spray head HKF 50 (3.631-009.0 / 3.631-039.0)
Nozzle 045 for 2-nozzle operation
HKF 50
Nozzle 090 for 1-nozzle operation
HKF 50
Cone for plugging into bungholes
3 6.415-446.0
45
Nozzle for dual-nozzle operation

4 6.415-447.0
90
Nozzle for single-nozzle operation

5 4.132-002.0
Cone for plugging into bungholes

Double grip for precise control of
spray head
Screw plug for using a spray head
with one nozzle
Pipe cleaning hose, ID 6
6 2.863-036.0
Double handle. Precise control of the spray head

7 5.411-061.0
Screw plug for using a spray head with one nozzle

Pipe cleaning hose, DN 6, 20 m,
max. 250 bar
8 6.390-030.0
250 bar
The 20 m pipe cleaning hose is a highly flexible high pressure hose for pipe interior cleaning (threaded connection for 
nozzle R 1/8).
Pipe cleaning nozzle
Pipe cleaning nozzle
9 6.415-945.0
60
25 mm
10 6.415-947.0
60
30 mm
11 6.415-949.0
60
35 mm
12 5.763-087.0
80
25 mm
13 5.763-015.0
55
16 mm
14 5.763-016.0
60
16 mm
15 5.763-017.0
50
30 mm
 Included in delivery.  Available accessories.  Extension hose. The forward-tilted rotating pencil jet removes the most
stubborn dirt. The three backwards-tilted jets ensure the
necessary forward movement, as well as convenient handling.



Pipe cleaning nozzle with 24 mm diameter. With 4 nozzles
tilted back at a 30° angle.
16 mm pipe cleaning nozzle with internal thread. Various jet
directions for environmentally-friendly cleaning of blocked
drains and pipes.
Pipe cleaning nozzle with inner thread. Different spray
directions. The hose moves freely through the pipe. (R 1/8"
connection, 3 x 30° backwards, diameter 30 mm.)




HD 9/20-4 M, 1.524-400.0, 2018-03-19
Pipe cleaning dirt blaster D 25 /
060
Pipe cleaning dirt blaster D 30 /
060
Pipe cleaning dirt blaster D 35 /
060
Pipe cleaning nozzle 080
ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1–2, 5
3
4
Order no.
Nozzle size
Price
Description
HP nozzle spray angle 0°
High-pressure nozzle with 0° spray
angle
Power nozzle spray angle 15°
1 2.884-535.0
50
High-pressure nozzle with powerful jet for extremely stubborn dirt.

Power nozzle spray angle 15°
2 2.883-390.0
55
Fan jet nozzle with 15° spray angle suitable for stubborn
dirt.

Power nozzle spray angle 25°
3 2.883-399.0
50
Fan jet nozzle with 25° spray angle, suitable for large areas

and removing stubborn dirt and stains.
25° power nozzle for cleaning
agent suction
Power nozzle spray angle 40°
4 2.884-521.0
250
Power nozzle spray angle 40°
5 2.884-524.0
50
Power nozzle spray angle 25°

Power nozzle with a 40° spray angle and fan jet, suitable for

large areas and sensitive surfaces.
HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1–2
3
4
Order no.
Nozzle size
Price
Description
Wet blasting attachment (without nozzle)
Wet blasting attachment with flow
control (without nozzles)
1 4.762-010.0
Wet blasting attachment without
flow control (nozzles not included)
2 4.762-022.0
Paint, rust and scale removal made easy: Kärcher wet blasting attachment with flow control for adding blasting abra
sive to the high-pressure jet.
Paint, rust and scale removal made easy: Kärcher wet blasting attachment with flow control for adding blasting abra
sive to the high-pressure jet. Without flow control.
Nozzle kits for wet jet unit
Nozzle kit for wet jet unit 050
3 2.637-902.0
50
Nozzle kit with wet blasting nozzle and nozzle insert (type
specific). For optimal Kärcher wet blasting attachment per
formance. Only in combination with wet blasting attachment
4.762-010/-022.
4 6.415-084.0
6 mm
In addition to nozzle packs. Very wear-resistant nozzle with

boron carbide chuck for continuous-duty operation.
Boron carbide nozzle
Boron carbide nozzle, for machines up to 1,000 l/h
HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
4
Order no.
5
Flow rate
6
7
Price
Description
Cup foam lance
Cup foam lance Advanced 025
1 6.394-968.0
Cup foam lance
2 6.394-668.0
1-litre cleaning agent container for
foam lance
Inno Foam Kit
3 6.414-954.0
Inno Foam Set with detergent
injector
4 2.640-151.0
1200 l/h
Short, handy foam lance with adjustable spray angle with 1 
litre detergent tank. Ideal for cleaning cars due to its com
pact design.
Additional 1-litre cleaning agent container for quick replace
ment of the cleaning agent (for foam lance 6.394-668)
High-pressure foam system with double lance (foam nozzle
and high-pressure jet for rinsing). For use with mobile and
stationary high-pressure and HDS pressure cleaners for
cleaning or disinfection.

Easy Foam Set
Easy Foam Set with RM injector
5 2.640-691.0
HP foam system for use with. HD/HDS units for cleaning and
disinfecting. Foam nozzle for connection to lance and HP

chemical injector with precision 0-5% metering valve. The
machine specific nozzle kit has to be ordered separately.
Nozzle kits for Inno/Easy Foam Set
Nozzle kit 090 for Inno / Easy Set
700–1,000 l/h
6 2.640-688.0
700–1000 l/h
Nozzle kit contains Kärcher power nozzles and nozzle inserts. For Inno/Easy-Foam set 700-1000 l/h. For optimal
foam system performance.

Foam nozzle mounting kit
Foam nozzle attachment kit
7 2.637-926.0
Foaming agent kit. The foam nozzle is ideal for use in sanitary areas and the food industry and wherever long applica- 
tion times are necessary.
HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1–2
3
4
Order no.
5
Length
6
7
Price
Description
Automatic, self-winding hose reels for wall mounting
Powder-coated swivel holder
Stainless steel swivel holder
1 2.639-931.0
2 2.641-867.0
Automatic hose reel, powder-coated steel / plastic
3 6.392-975.0
20 m
Automatic stainless steel / synthetic material hose drum
4 6.392-965.0
20 m
Automatic hose reel, coated
5 2.639-919.0
20 m
Automatic hose reel, stainless
steel, includes swivel holder
ABS automatic stainless steel hose
drum
6 6.391-421.0
20 m
7 2.641-866.0
20 m
Swivel holder for automatic hose reel wall mounting. For
maximum action radius and flexibility of high-pressure hose.
Rotatable 120°. Galvanised steel.
Swivelling wall bracket made of high-grade steel (for 2.641866). This makes maximum flexibility and convenience
possible when working with the HP hose.
Automatic hose reel for 20 m high-pressure hose. The console is made from powder-coated steel, the drum is made
from plastic.
Automatic hose reel for 20 m high-pressure hose. The console consists of stainless steel, the drum is made from plastic.
Automatic hose reel of durable plastic. Painted steel bracket.
Suitable for 20 m high-pressure hose.
Automatic stainless steel hose reel. With swivel holder.
Suitable for 20 m high-pressure hose.
High-grade, automatic steel hose reel. Especially suitable for
use in the food industry. The material and finish provide for
a corrossion-resistant, watertight capsuled sprong drive.
Connection for HP hoses with nipple.







HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2–3
4
Order no.
5–7
Flow rate
Inlet temperature
Length
Length
Price
Description
Solar cleaning – telescopic lances
iSolar TL 7 H (without hose)
iSolar TL 10 H (without hose)
iSolar TL 10 C (without hose)
iSolar TL 14 C (without hose)
iSolar HP hose 7
iSolar HP hose 10
iSolar HP hose 14
1 4.107-054.0
2 4.107-053.0
3 4.107-055.0
60 °C
60 °C
60 °C
4 4.107-052.0
60 °C
5 6.392-978.0
155 °C
6 6.392-977.0
155 °C
7 6.392-976.0
155 °C
Telescopic rod made from a carbon/fibreglass mixture for
maximum rigidity with minimum weight. With 7.2 m max.
reach and practical quick-release couplings for easy extension and retraction.
Telescopic rod made from a carbon/fibreglass mixture for
maximum rigidity with minimum weight. With 10 m max.
reach and practical quick-release couplings for easy extension and retraction.
The full carbon telescopic lance offers maximum rigidity
with minimal weight. It has a reach of up to 10 m and is
fitted with practical quick-release couplings – for convenient
extension and retraction. The speed is regulated via ball tap,
guaranteeing easy handling. For occupational safety reasons, the lowest lance element is made from a carbon-fibreglass mixture for electrical insulation.
Full carbon telescopic rod for maximum rigidity with minimal weight. With 14 m max. reach and practical quick-release couplings for easy extension and retraction.
High-quality, flexible HP hose (with rubber covering) for the
iSolar TL 7. The outer layer has especially good sliding
properties when extending and retracting the telescopic rod.
High-quality, flexible HP hose (with rubber covering) for the
iSolar TL 10. The outer layer has especially good sliding
properties when extending and retracting the telescopic rod.
High-quality, flexible HP hose (with rubber covering) for the
iSolar TL 14. The outer layer has especially good sliding
properties when extending and retracting the telescopic rod.







HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1
2
3
Order no.
4
Flow rate
Price
Description
Push-on washing brush
Push-on wash brush
1 4.762-016.0
For general-purpose cleaning of all surfaces. Clamps directly

onto the spray lance. Connection M 18 x 1.5
The wash brush is fitted directly onto the devices' new dual

and triple nozzles using clamping.
2 4.762-497.0
Rotating washing brush
Rotating wash brush for > 800 l/h
machines
3 4.762-559.0
900–1300 l/h
4 4.762-562.0
900–1300 l/h
Driven by water stream. Gently removes fine dust and
traffic film from any surface. Temperature resistant up to
60°C, M 18 x 1.5 (replaceable brush insert).


HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. ACCESSORIES FOR HD 9/20-4 M
1.524-400.0
1–3
4
5
Order no.
6
Length
Diameter
7
8–9
Price
10
Description
Geka coupling
Geka connector with hose barb, R
3/4"
Geka connector with hose barb, R
1"
Geka connector with internal
thread, R 1"
Suction filter
1 6.388-455.0
with hose liner

2 6.388-465.0
with hose barb

3 6.388-458.0
with female thread

Water suction filter
4 6.414-956.0
Suction filter with check valve
5 4.730-012.0
Suitable for ponds, storage tanks or similar, polyamide filter
casing, stainless steel strainer, 800 μm mesh, R 3/4" and R

1" connection, without non-return valve
Brass suction filter suitable for ponds, storage tanks, etc.

With check valve.
Water fine filter
Water fine filter, with adapter
6 4.730-102.0
Water fine filter, 100 μm, R 1"
7 2.638-270.0
Fine-mesh water filter, 125 μm, max. temperature 50°C.
Protects the high-pressure cleaner from dirt particles con
tained in the water. Water flow rate up to 1200 l/h. Connection 3/4", with adapter, 1".
Fine-mesh water filter, 100 μm, max. temperature 60°C.
Connects to high-pressure cleaner. Protects the high-pres
sure cleaner from dirt particles contained in the water.
Water flow rate up to 1200 l/h. Connector 1".
Water supply hose
Water supply hose
8 4.440-207.0
7.5 m
NW 19 R1" / R 3/4", up to 85 °C, for pick-up
9 4.440-270.0
7.5 m
NW 19 R1" / R1", up to 85 °C


Backflow check valve
Backflow preventer
10 2.641-374.0
To prevent detergent getting into the drinking water cycle in
case of inlet at low-pressure. - hot water resistant up to 80

°C - tested according to IEC 60335-2-79 - integrated leakage
protection
HD 9/20-4 M, 1.524-400.0, 2018-03-19
 Included in delivery.  Available accessories.  Extension hose. 
Download PDF
Similar pages