Product Description
Karcher HDS 4.0/20-4 Ea Premium Steam Hot Water Pressure Washer | 1.109-157.0
The Karcher Mojave HDS 4.0/20-4 Ea Premium delivers professional hot water and steam cleaning performance in a compact yet rugged industrial package. Designed for commercial users who require 230V single-phase power, this model provides strong flow, controlled pressure, and powerful steam capability.
Steam enhances degreasing performance, improves sanitization, and reduces overall water usage while minimizing surface damage.
Browse hot water pressure washers, shop Karcher pressure washer accessories, or stock up on pressure washer chemicals.
Mojave Series Advantages
- 91% burner efficiency for maximum heat output
- Temperature rise greater than 135°F
- Steam stage up to 311°F
- Industrial 4-pole motor for extended service life
- Large 10 gallon diesel tank for long hot water operation
- Heavy-duty cage frame with 12 inch non-flat wheels
- Locking casters and crane hook for mobility
- Dual water filtration system
- Corrosion-resistant stainless steel side panels
- Hour meter and LED status lights
- Integrated tool and hose storage
Premium Class Features
- Steam stage included
- Servo Control pressure adjustment at the trigger
- EASY!Force trigger gun reduces operator fatigue
- EASY!Lock quick-connect accessory system
Best For
- Fleet washing
- Automotive service facilities
- Equipment and machinery cleaning
- Facilities limited to 230V single-phase power
Not Ideal For
- Locations without 230V single-phase power
- Light residential cleaning
Recommended Pressure Washer Chemicals
- 9.803-744.0 - Concrete Cleaner
- 8.698-225.0 - Tire and Rim Cleaner
- 8.698-221.0 - Vehicle Pre-Soak
- 9.803-742.0 - Coil Descaler
- 9.556-010.0 - Pump and Coil Protectant Concentrate
Technical Specifications
- Manufacturer Part Number: 1.109-157.0
- Model: HDS 4.0/20-4 Ea Premium
- Flow Rate: 4.0 GPM
- Operating Pressure: 2000 PSI
- Electrical: 230V / 1-phase
- Motor: 4-pole
- Amps: 30 A
- Steam Mode: Yes
- Pressure Adjustment: Servo Control
- Ship Weight: 550 lb
- Dimensions (L x W x H): 50 x 40 x 50 in
What's Included
- EASY!Force trigger gun
- 41 inch spray lance
- 50 ft EASY!Lock Longlife hose with ANTI!Twist connection
- Power nozzle
- Steam nozzle
- Servo Control dial
Optional Accessories
- 8.750-685.0 - 100 ft pivot reel
- 9.808-276.0 - Hose reel bracket kit (hose reel not included)
Manuals and Documentation
Let us confirm the correct electrical configuration before ordering.
Call 956-772-4842 or email sales@monsterjanitorial.com
Manufacturer Warranty
Karcher commercial hot water pressure washers are built for professional daily use. Warranty service is handled through authorized service channels. Keep your serial number and proof of purchase.
Why Choose Monster Janitorial?
- Authorized Karcher distributor
- OEM-quality equipment, parts, and accessories
- Fast order processing - most in-stock units ship quickly
- Technical support available - tech@monsterjanitorial.com
- 30-Day Returns
Tax-Exempt Purchasing
Tax-exempt? Create an account and email your certificate to sales@monsterjanitorial.com.