K 4 Compact

The "K4 Compact" with water-cooled motor is ideal for occasional removal of moderate dirt. This high-pressure cleaner is ideal for garden fences, bicycles and small vehicles. This machine is compact and powerful. Two handles and a practical telescopic handle make the machine easy to transport. It is also easy to store. Further impressive features include: Quick Connect gun, 6 m high-pressure hose, Vario Power spray lance (VPS) with practical twist action pressure regulation, dirt blaster with rotating pencil jet for removing stubborn dirt and reliable water filter for pump protection.

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K 4

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K 4 Compact

Highly efficient water-cooled motor Quick Connect Small and robust thanks to aluminium telescopic handle and

compact design and construction

Technical dataOrder No. 1.637-310.0EAN code 4039784729339Pressure bar / MPa 20–130 / 2–13Flow rate l/h 420Max. feed temperature °C 40Connected load kW 1.8Weight without accessories kg 10.7Dimensions (L x W x H) mm 516 × 295 × 282

EquipmentIntegrated water filter Garden hose adaptor A3/4" High-pressure hose m 6Detergent hose With filterSpray gun with Quick Connect Quick Connect on machine Water-cooled motor Vario Power Jet Dirt blaster Included in delivery.

Accessories for K 4 Compact1.637-310.0

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8 10 11 12 13 14 15, 18

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Spray lances

VP 145 Vario Power Jet 1 2.643-235.0 Vario-Power spray lance: spray lance with infinitely variable pressure control from low-pressure detergent jet to high-pres-sure jet.

DB 145 Dirt Blaster 2 2.643-244.0 Dirt blaster with powerful rotor nozzle (rotating pencil jet) ideal for removing stubborn dirt. Ideal for moss covered or weath-ered surfaces.

Splash guard for dirt blaster 3 2.640-916.0 Splash guard for dirt blasterProtects against splash back when cleaning corners and edges. Fits all Kärcher dirt blast-ers (except 4.763-184).

Angled spray lance 4 2.638-817.0 Extra-long angled spray lance (about 1 m) for easy cleaning of difficult to reach areas, e.g. roof gutters or vehicle underbod-ies.

Single Lance Extension 5 2.643-240.0 Extends spray lance by 0.5 m. For effective cleaning of diffi-cult to reach areas. Suitable for all Kärcher accessories.

3-stage lance extension 6 2.639-722.0 3-stage lance extension set with four aluminium lances for difficult to reach areas. Variable extension to 90 cm, 1.30 m and 1.70 m.

MP 145 Multi Power Jet 7 2.643-239.0 Multi-power jet with 5 types of jets: Cleaning agent jet, HP fan jet, rotary nozzle, pencil jet and wide reduced-pressure fan jet. The suitable jet can be selected by simply twisting.

Telescopic spray lance 8 2.642-347.0 Telescopic spray lance (1.20 m - 4m) for easy cleaning of difficult to reach areas. With shoulder strap, bayonet connec-tion and integrated, ergonomically adjustable trigger gun. Weight: ca. 2 kg

Multi-power jet K3 - K5 9 2.642-440.0 Multi-power jet with 5 types of jets: Cleaning agent jet, HP fan jet, rotary nozzle, pencil jet and wide reduced-pressure fan jet. The suitable jet can be selected by simply twisting.

VP 145 S 10 2.643-253.0 Miscellaneous

Water filter 11 4.730-059.0 Water filter protects pressure washer pumps against dirt particles from dirty water.

O-Ring Set 12 2.640-729.0 G 160 Q Trigger Gun Quick Con-nect

13 2.642-172.0 The premium trigger gun fitted with Quick Connect and soft grip inserts guarantees a high level of comfort for cleaning.

Garden Hose Adapter 14 2.640-732.0 Hard surface cleaners

PS 40 Power Scrubber Surface Cleaner

15 2.643-245.0 PS 40 power scrubber with three integrated high-pressure nozzles. Powerful cleaning action removes stubborn dirt from surfaces quickly and easily. Ideal for stairs and edges.

T 300 T-Racer Surface Cleaner 16 2.640-212.0 T 300 T-Racer for spray-free surface cleaning. With adjusta-ble cleaning pressure and extra handle for cleaning vertical surfaces. For Kärcher Home&Garden K 2 –K 7 pressure wash-ers.

T-Racer replacement nozzles, grey, K2 – K5

17 2.640-727.0 High-quality, grey replacement nozzles for easy replacement of T-Racer nozzles. Suitable for replacing nozzles for the K2-K5 device classes.

PS 40 power scrubber 18 2.640-865.0 PS 40 power scrubber with three integrated high-pressure nozzles. Powerful cleaning action removes stubborn dirt from surfaces quickly and easily. Ideal for stairs and edges.

Included in delivery. Available accessories.

Accessories for K 4 Compact1.637-310.0

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T 550 T-Racer Surface Cleaner 19 2.643-251.0 T-Racer T 550 surface cleaner for splash-free cleaning of large surfaces. With detergent application system, power nozzle for corners/edges, protection grid for gravel surfaces, pressure adjustment and handle.

T 450 T-Racer Surface Cleaner 20 2.643-214.0 Cleans large surfaces without splashing: T-Racer T 450 sur-face cleaner. Extra power nozzle for corners and edges, handle for vertical cleaning, protection grid for gravel surfaces, cleaning pressure adjustment.

T 350 T-Racer Surface Cleaner 21 2.643-252.0 With the T-Racer T 350 surface cleaner, large surfaces can be cleaned splash-free. Continuous pressure adjustment for hard and sensitive surfaces. Handle for vertical cleaning.

Spare nozzles accesories 22 2.643-338.0 High-quality replacement nozzles for all T-Racer surface cleaners (except T 350) for unit classes K 2 to K 7, gutter cleaner PC 20 for K 3 to K 7, as well as chassis cleaner for K 2 to K 5.

Spare nozzles accesories T 300 / T 350

23 2.643-335.0 The high-quality replacement nozzles guarantee easy re-placement of nozzles and are suitable for the T-Racer T 300 / T 350 surface cleaners for the pressure washer unit classes K 2 to K 7.

T 400 Display 24 2.641-751.0 T 400 Display with sales promoting topper in an attractive design. Ideal for product displays, eyecatchers, promotions and presentations. Advertising that promotes spontaneous buying!

T 250 T-Racer Surface Cleaner 25 2.642-194.0 T 250 T-Racer for spray-free surface cleaning. With extra handle for cleaning vertical surfaces. The accessories are suitable for Kärcher Home&Garden pressure washers, class-es K 2 - K 7.

Accessory kits

Accessory Kit Bike Cleaning 26 2.643-551.0 Accessory Kit Car Cleaning 27 2.643-554.0 Accessory Kit Wood Cleaning 28 2.643-553.0 Brushes and cleaning sponges

WB 150 Power Brush 29 2.643-237.0 WB 150 power brush for splash-free cleaning of sensitive surfaces. The effective combination of high pressure and manual brush pressure saves energy, water and up to 30% time.

WB 60 Soft Surface Wash Brush 30 2.643-233.0 Soft brush for cleaning large areas, e.g. cars, caravans, boats, conservatories or roller shutters). Working width of 248 mm ensures good coverage.

WB 100 Wash Brush 31 2.643-236.0 Rotating washing brush with joint for cleaning all smooth surfaces, e.g. paint, glass or plastic. 18° infinitely adjustable joint on handle for cleaning difficult to reach areas.

Wheel Washing Brush 32 2.643-234.0 Wheel wash brush for effective cleaning also in difficult to reach areas. Uniform 360° water distribution for a perfect cleaning result.

Universal soft brush 33 2.640-589.0 Universal soft brush for cleaning all types of surfaces. With soft brushes, outer protector ring, union nut and rubber pad.

Soft brush 34 2.640-590.0 Soft brush for cleaning large areas, e.g. cars, caravans, boats, conservatories or roller shutters). Working width of 248 mm ensures good coverage.

Rotating wash brush with joint 35 2.640-907.0 Rotating washing brush with joint for cleaning all smooth surfaces, e.g. paint, glass or plastic. 18° infinitely adjustable joint on handle for cleaning difficult to reach areas.

Delta-Racer D 150 packaged 36 2.641-812.0 Included in delivery. Available accessories.

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27 28 29, 36 30, 34 31, 35 32 33

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Accessories for K 4 Compact1.637-310.0

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44 45 46 47 48 49 50

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WB 50 Soft Wash Brush 37 2.643-246.0 Universal soft brush for cleaning all types of surfaces. With soft brushes, outer protector ring, union nut and rubber pad.

Standard wash brush 38 6.903-276.0 Slim brush for cleaning stubborn dirt High-pressure hose extension - System from 2008

XH 10 Q, Extension Hose Quick Connect

39 2.641-710.0 High-pressure extension hose for greater flexibility. 10 m robust DN 8 quality hose for durability. For K3 – K7 series from 2008 with Quick Connect connector.

High-pressure extension hose, 6 m, K3 - K7 (for gun model "Best").

40 2.641-709.0 High-pressure extension hose for greater flexibility. 6 m robust DN 8 quality hose for durability. For K3 – K7 series from 2008 with Quick Connect connector.

XH 10 QR, Extension Hose Rubber 41 2.641-708.0 High-pressure extension rubber hose for greater flexibility. 10 m high-quality hose, steel reinforced for durability. For K5 – K7 series from 2008 with Quick Connect connector.

High-pressure hose extension - System from 2009

High-pressure hose Quick Connect H 9 Q

42 2.641-721.0 9 m high-pressure replacement hose for K2–K7 series domes-tic high-pressure cleaners from 2009, where the hose is con-nected to the gun and high-pressure cleaner per Quick Con-nect connector, 160 bar, 60°C.

Special applications

PC 7.5 Pipe Cleaning Kit 43 2.637-729.0 Pipe cleaning set with 7.5 m hose for clearing blockages in pipes, drains, downpipes and toilets.

PC 15 Pipe Cleaning Kit 44 2.637-767.0 Pipe cleaning set with 15 m hose for clearing blockages in pipes, drains, downpipes and toilets.

Sand/wet blasting set 45 2.638-792.0 Sand and wet blasting set for removing rust, paint and stub-born dirt using Kärcher abrasive.

Vario joint 46 2.640-733.0 Vario joint, rotates 180° for cleaning difficult to reach areas. Connection: For connection between gun and accessory or extension lance and accessory.

Organiser 47 2.641-630.0 Kärcher organiser, the practical wall-mounted storage system for Kärcher accessories. With two modules for flexible mount-ing. Ideal for protecting wash brushes and bristles from bend-ing.

Suction hose SH 5 48 2.643-100.0 Eco-friendly 5 metre suction hose for drawing water from alternative sources such as water butts and barrels.

Foam nozzle FJ 6 49 2.643-147.0 FJ 6 foam nozzle for cleaning with powerful foam (e.g. Ultra Foam Cleaner). For cars, motorcycles etc. and for applying cleaning products to stone and wood surfaces and façades.

Foam nozzle C 'n' C FJ 10 C 1l UFC

50 2.643-143.0 Ultra Foam Cleaner + quick-change system FJ 10 C Connect 'n' Clean foam nozzle. Easy Change between different deter-gents with just a simple click.

Foam nozzle C 'n' C FJ 10 C 1l Car 51 2.643-144.0 Car shampoo and + quick-change system FJ 10 C Connect 'n' Clean foam nozzle. Easy Change between different deter-gents with just a simple click.

Foam nozzle C 'n' C FJ 10 C 1l Stone

52 2.643-145.0 Stone cleaner + quick-change system FJ 10 C Connect 'n' Clean foam nozzle. Easy Change between different deter-gents with just a simple click.

PC 20 Pipe Cleaning Kit 53 2.642-240.0 The gutter and pipe cleaning kit works all by itself – with high pressure. It easily cleans outflows, pipe blockages and gut-ters.

Foam nozzle, 0.3 litre 54 2.641-848.0 Foam nozzle with powerful foam effortlessly cleans all types of surfaces, e.g. car or motorcycle paint, glass or stone, 0.3 litre container.

Included in delivery. Available accessories.

Accessories for K 4 Compact1.637-310.0

56 57 58 59 60 61 62

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Underbody cleaner 55 2.642-561.0 Highly effective chassis cleaner for removing dirt, mud, sludge, sand and encrusted salt. With care nozzle for applying chassis wax (incl. 250 ml free tester).

Suction hose eco!ogic 56 2.642-743.0 High-pressure hose extension - System up to 2007

XH 10 Extension Hose 57 6.389-092.0 High-pressure extension hose for greater flexibility, 10 m robust DN 8 quality hose. Textile braiding reinforced, non-kinking hose with brass connector for durability.

XH 10 (<2010), Extension Hose 58 6.390-961.0

XH 10 R Extension Hose Rubber 59 6.390-096.0 High-pressure extension rubber hose for greater flexibility. 10 m high-quality rubber hose, steel reinforced for durability. Temperature: up to 80 °C. Pressure: up to 160 bar.

High-pressure hose replacement kit - from 1992

H 12 High Pressure Hose 60 2.642-953.0 Accessory kit for retrofitting the Quick Connect system. For all Consumer high-pressure cleaners manufactured since 1992.

Quick Connect Set 61 2.641-828.0 Accessory set for retrofitting the practical Quick Connect system. For all Kärcher Consumer pressure washers manu-factured since 1992. Not suitable for hose reel machines.

Adapter Set Extension Hose 62 2.643-037.0 Two-part adaptor set for connecting an extension hose with screw thread to a pressure washer with Quick Connect con-nection system.

Included in delivery. Available accessories.

Accessories for K 4 Compact1.637-310.0

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Connectors/Tap adaptors

Universal hose coupling 1 2.645-191.0 – Universal hose connector in ergonomic design for comfortable handling.

Hoses & Hose Reels/Trolleys

Connection Set for high-pressure cleaners

2 2.645-156.0 – Hose set for high-pressure cleaning and garden watering. With 10 m PrimoFlex® hose (3/4"), G3/4 tap adapter, univer-sal hose connector and universal connector with aqua stop.

Hose set for water supply 3 2.645-258.0 – Hose set for high-pressure cleaning and garden watering. With 10 m PrimoFlex® hose (1/2"), tap adapter, universal hose connector and universal connector with aqua stop.

PrimoFlex® hose 1/2" – 20 m 4 2.645-138.0 – Extra robust and kink-resistant PrimoFlex® quality garden hose(1/2"). 20 m in length. With pressure-resistant, woven reinforcement. Poses no risk to health. Bursting pressure: 24 bar. High temperature resistance from -20 to 65°C.

Hose Trolley HT 3.420 Kit 5/8" 5 2.645-167.0 – Fully assembled hose trolley with height-adjustable handle, angled connection adapter, freewheeling crank handle and sophisticated folding function for space-saving storage.

Premium Hose Reel HR 7.315 Kit 1/2"

6 2.645-164.0 – Fully equipped watering station. With detachable hose reel, storage for sprayers and sprinklers, large storage box and spray lance attachment.

Included in delivery. Available accessories.