Karcher HD 10/21-4 S Plus Cold Water 3 Phase  Pressure Washer 1.286-958.0

Engineered for the toughest cleaning tasks, the Kärcher HD 10/21-4 S Plus delivers exceptional power, durability, and operator comfort. As part of Kärcher’s Super Class range, this machine is built for continuous heavy-duty use across industrial, agricultural, construction, and transport environments.

High Power for Demanding Jobs

With a working pressure of up to 210 bar and a high water flow rate of up to 1000 l/h, this pressure washer removes stubborn dirt, grease, and grime quickly and efficiently. Its three-phase power supply ensures consistent performance, even during intensive daily operation.

Built for Durability

At the core of the machine is a 4-pole low-speed motor with air-water cooling, paired with a robust three-piston axial pump featuring stainless steel pistons and a brass cylinder head. This heavy-duty construction ensures long service life and reliable performance under demanding conditions.

Ergonomic & Fatigue-Free Operation

Designed with the operator in mind, the HD 10/21-4 S Plus features Kärcher’s EASY!Force Advanced trigger gun, allowing continuous use without holding force. The Servo Control system enables precise adjustment of pressure and water flow directly at the lance, while the Vibrasoft rotary nozzle reduces vibration by up to 30%, improving comfort during extended use.

Smart Design & Mobility

The upright, space-saving design improves manoeuvrability and makes transport easier, even on rough terrain. Integrated aluminium frame carriers provide a strong yet lightweight chassis, while onboard storage keeps accessories organised and close at hand.

Key Features

• Up to 210 bar pressure and 1000 l/h flow rate
• 4-pole low-speed motor with air-water cooling
• Heavy-duty brass cylinder head & stainless steel pistons
• EASY!Force Advanced trigger gun for fatigue-free work
• Servo Control for adjustable pressure and flow
• Vibrasoft rotary nozzle reduces vibration by up to 30%
• Upright design for improved portability and space-saving
• Integrated accessory storage

Scope of Supply

• EASY!Force Advanced trigger gun with soft grip
• 10m high-pressure hose (DN8, 315 bar)
• 1050mm spray lance
• Power nozzle
• Dirt blaster lance
• Servo Control system

Ideal For

• Agriculture and heavy machinery cleaning
• Construction sites and equipment
• Industrial production environments
• Transport and fleet cleaning
• Public spaces and large surface areas