Gaspper GP4000BDH Pro Pressure Washer, Briggs&Stratton, 13.5 HP, 275 bar/4.000 PSI

Professional high-pressure washer Gaspper GP4000BDH is designed for various sectors of the economy. It finds its use, especially in construction, agriculture, and the automotive industry. It is also designed for technical services, municipal authorities, or rental companies which rent construction machines.

Key Features:

  • Petrol Engine: Briggs&Stratton XR2100, 4-stroke, OHV
  • Power: 13.5 HP / 10 kW
  • Water pressure: 275 bar/4.000 PSI
  • Flow rate: 4.76 GPM / 18 l/min


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A high-quality pressure pump with a flow rate of 18 liters per minute and 275 bar pressure together with a 13-horsepower  engine Briggs and Stratton. High pressure and a wide range of accessories make this machine the right tool for everyday work. The package includes a set of high-pressure nozzles, a high-pressure gun, and a rubber hose with great durability.

Specific features:

  • Free electricity cords for prevention of short circuits in wet surroundings
  • 15-meter high-pressure rubber hose QC 3/8
  • 0°, 15°, 25°, 40°, and saponite nozzle for various uses
  • Robust and lightweight steel construction for easy handling
  • High-pressure ergonomic gun with high-quality stainless steel lance
  • Aluminum pump with brass head, ceramic pistons, and water pressure control
  • Availability of spare parts (including parts for other types of pressure washers)
  • Customer service, warranty, and post-warranty service

User benefits with the washer pressure GP4000BDH

  • It is not an electric pressure washer, there is no risk of short circuit
  • You can take it anywhere thanks to a gas-powered system
  • A pressure washer can be used in any weather
  • Gravity feed possibility
  • Water supply possibility
  • You can use it as a disinfectant machine
  • The equipment of the machine is placed directly at the machine (on the hose holder), so you won´t lose it
  • You can simply change the accessories (e. i. longer hose than supplied one, lances, guns, nozzles)
  • Waspper machines have big wheels and high chassis so you can move them easily even in rough terrain areas
  • Quality EU product (made in Slovakia) – CE certification
  • ISO certificate – EN ISO 9001:2015

Package contents:

  • High-pressure washer
  • Pressure gun
  • High-pressure rubber Hose 15m with QC 3/8
  • Stainless Steel Extension Lance
  • Nozzle 0 ̊
  • Nozzle 15 ̊
  • Nozzle 25 ̊
  • Nozzle 40 ̊
  • Soap nozzle
  • Waspper engine oil
  • Detergent tube
  • Operation manual
  • Wheel assembly set


Weight 70 kg
Dimensions 52 × 57 × 99 cm


Maximum Flow Rate

Maximum Outlet Pressure

Pressure Regulation


4.76 GPM / 18 l/min

Engine Type

Briggs&Stratton XR2100

Engine Volume (cm3)

Engine Fuel Tank Volume (L)


Engine Low Oil Level Security System


Gravity Feed


Self Suction

Pump Type


Pump Model


Pump Head Material


Pump Max. Water Temperature °C


Hose Lenght (m)


Start up method

Manual / Recoil