Product Description
Karcher HDS 4.0/20 Premium Mojave 4 GPM 2000 PSI Electric Hot Water Pressure Washer
The Karcher HDS 4.0/20 Premium Mojave is a commercial electric hot water pressure washer platform designed for demanding cleaning applications that require 4.0 GPM, 2000 PSI, diesel-fired hot water, and steam capability. This combined page includes the HDS 4.0/20 Eg Premium, HDS 4.0/20-4 Ea Premium, HDS 4.0/20-4 Eh/Eb Ea Premium, and HDS 4.0/20-4 Ec Premium models.
Choose the correct configuration based on your facility voltage and phase requirements. These Premium Mojave models are a strong fit for commercial degreasing, equipment cleaning, service bays, fleet support, food processing areas, industrial maintenance, and facilities that need hot water pressure washing with steam-capable cleaning performance.
Quick Highlights
Available Configuration Options
This page combines four Karcher HDS 4.0/20 Premium Mojave models. All options provide 4.0 GPM and 2000 PSI. Choose the correct voltage and phase configuration before ordering.
| Option | Store SKU | MFG Part Number | Flow / Pressure | Electrical |
|---|---|---|---|---|
| HDS 4.0/20 Eg Premium | MJK11091560 | 1.109-156.0 | 4.0 GPM / 2000 PSI | 208V / 1-Phase |
| HDS 4.0/20-4 Ea Premium | MJK11091570 | 1.109-157.0 | 4.0 GPM / 2000 PSI | 230V / 1-Phase |
| HDS 4.0/20-4 Eh/Eb Ea Premium | MJK11091580 | 1.109-158.0 | 4.0 GPM / 2000 PSI | 208-230V / 3-Phase |
| HDS 4.0/20-4 Ec Premium | MJK11091590 | 1.109-159.0 | 4.0 GPM / 2000 PSI | 460V / 3-Phase |
Important Electrical Note
Always confirm voltage, phase, amp draw, plug requirements, breaker requirements, and facility electrical service before ordering. Electrical mismatch can delay installation and create costly return or service issues.
Recommended Applications
- Commercial hot water cleaning
- Fleet and vehicle washing support
- Equipment cleaning and degreasing
- Commercial service bays
- Food processing and washdown areas
- Manufacturing and industrial maintenance
- Oil, grease, road film, and heavy soil removal
- Facilities needing steam-capable hot water pressure washing
Premium Mojave Series Features
4.0 GPM Hot Water Output
The 4.0 GPM flow rate provides strong rinse volume for commercial cleaning, degreasing, and equipment washdown work.
2000 PSI Cleaning Pressure
Balanced 2000 PSI pressure helps remove grease, oil, food soils, and buildup without moving into higher-pressure stripping applications.
Steam-Capable Cleaning
Premium HDS models support steam-capable cleaning for demanding grease, grime, and sanitation-support cleaning applications.
Diesel-Fired Hot Water
Diesel-fired heat delivers strong temperature rise for grease-cutting hot water cleaning performance.
Commercial-Duty Mojave Frame
The Mojave frame design supports professional cleaning environments where durability, mobility, and service access matter.
Multiple Electrical Options
Choose 208V 1-phase, 230V 1-phase, 208-230V 3-phase, or 460V 3-phase depending on your facility power.
Best For
- Facilities needing 4.0 GPM hot water cleaning
- Commercial degreasing and washdown work
- Equipment and machinery cleaning
- Fleet maintenance and service areas
- Food processing and commercial kitchen support areas
- Industrial maintenance departments
- Buyers needing steam-capable hot water pressure washer performance
Not Ideal For
- Facilities without compatible electrical service
- Small areas that only need a compact 120V pressure washer
- Cold-water-only cleaning applications
- Applications requiring gas-powered portability away from electrical service
- Jobs requiring 3000 PSI or higher pressure output
Technical Specifications
- Manufacturer: Karcher
- Series: Mojave Premium Series
- Parent Store SKU: MJK11091560
- Parent Manufacturer Part Number: 1.109-156.0
- Combined Store SKUs: MJK11091560, MJK11091570, MJK11091580, MJK11091590
- Combined Manufacturer Part Numbers: 1.109-156.0, 1.109-157.0, 1.109-158.0, 1.109-159.0
- Clean SKU References: 11091560, 11091570, 11091580, 11091590
- Machine Type: Electric hot water pressure washer
- Pressure Washer Type: Hot water electric pressure washer
- Flow Rate: 4.0 GPM
- Operating Pressure: 2000 PSI
- Heating Fuel: Diesel-fired hot water system
- Steam Capable: Yes
- Electrical Options: 208V 1-phase, 230V 1-phase, 208-230V 3-phase, 460V 3-phase
- List Price: $10,445.00
- Sale Price: $5,222.50
- Discount: 50%
- Machine Weight: Verify by selected configuration
- Dimensions: Verify by selected configuration
Premium Hot Water Cleaning Performance
The HDS 4.0/20 Premium Mojave platform is built for commercial users who need higher water volume, controlled 2000 PSI cleaning pressure, diesel-fired heat, and steam-capable performance. Each option delivers the same 4.0 GPM / 2000 PSI output with a different electrical configuration.
Strong rinse volume for equipment washing, service bays, and facility cleaning.
Useful for hot water degreasing without moving into higher-pressure 3000 PSI cleaning.
Supports steam-capable cleaning for demanding commercial soils and grease.
Choose 1-phase or 3-phase configuration based on facility power.
Model Comparison
| Model | MFG Part Number | Flow / Pressure | Electrical | Best For |
|---|---|---|---|---|
| HDS 4.0/20 Eg Premium | 1.109-156.0 | 4.0 GPM / 2000 PSI | 208V / 1-Phase | Facilities with 208V single-phase power |
| HDS 4.0/20-4 Ea Premium | 1.109-157.0 | 4.0 GPM / 2000 PSI | 230V / 1-Phase | Facilities with 230V single-phase power |
| HDS 4.0/20-4 Eh/Eb Ea Premium | 1.109-158.0 | 4.0 GPM / 2000 PSI | 208-230V / 3-Phase | Facilities with 208-230V three-phase power |
| HDS 4.0/20-4 Ec Premium | 1.109-159.0 | 4.0 GPM / 2000 PSI | 460V / 3-Phase | Facilities with 460V three-phase power |
Actual cleaning performance varies by water temperature, detergent selection, surface type, soil level, nozzle selection, operator technique, and available electrical supply.
What's Included
- Selected Karcher HDS 4.0/20 Premium Mojave electric hot water pressure washer configuration
- EASY!Force trigger gun
- Spray lance
- High-pressure hose
- Power nozzle
Recommended Pressure Washer Chemicals
- 86982250 - Heavy Duty Degreaser
- 98037440 - Vehicle Wash Concentrate
- 86981390 - All Purpose Cleaner
- 86982210 - Concrete Cleaner
- 86981470 - Food Safe Degreaser
- 98037260 - Truck Wash
- 98037340 - Aluminum Brightener
- 98037420 - Multi Surface Cleaner
- 98037460 - Oil Stain Remover
- 95560100 - Pump Protectant
- 95560110 - Coil Descaler
Shop Pressure Washer Chemicals
Need Help Confirming Voltage Before Ordering?
Electric hot water pressure washers must match your facility electrical service. Monster Janitorial can help verify voltage, phase, amp draw, and application requirements before shipment.
- Confirm voltage and phase requirements
- Choose between 208V, 230V, 208-230V, or 460V configurations
- Review pressure washer chemicals, hoses, nozzles, and accessories
- Help prevent electrical compatibility issues before ordering
Call 956-772-4842 or email sales@monsterjanitorial.com.
Manuals and Documents
- Karcher HDS 4.0/20-4 Ec Premium Product Information Sheet - 1.109-159.0
- Karcher HDS Mojave Operating Manual / Safety Information
- Karcher Parts Manuals and Model Lookup
Replacement Parts and Manuals
- Search parts for Karcher HDS 4.0/20 Eg Premium 1.109-156.0
- Search parts for Karcher HDS 4.0/20-4 Ea Premium 1.109-157.0
- Search parts for Karcher HDS 4.0/20-4 Eh/Eb Ea Premium 1.109-158.0
- Search parts for Karcher HDS 4.0/20-4 Ec Premium 1.109-159.0
- Search parts for Karcher HDS Premium 11091560
- Search parts for Karcher HDS Premium 11091570
- Search parts for Karcher HDS Premium 11091580
- Search parts for Karcher HDS Premium 11091590
- Karcher Parts Manuals
- Shop Karcher Parts
Explore More Karcher Pressure Washers
- Shop Hot Water Pressure Washers
- Shop Pressure Washers
- Shop Karcher Pressure Washer Accessories
- Shop Pressure Washer Chemicals
- Browse Karcher Cleaning Equipment
Manufacturer Warranty
Karcher commercial pressure washers are built for professional daily use. Warranty coverage may vary by machine, pump, motor, burner system, wear items, maintenance history, and application.
- Machine Coverage: Coverage follows the applicable Karcher commercial pressure washer warranty policy.
- Wear Items: Nozzles, hoses, seals, o-rings, guns, lances, and other consumable parts may carry shorter coverage or be covered only for manufacturing defects.
- Service Requirement: Warranty repairs must be completed through authorized service channels.
- Documentation: Keep serial number and proof of purchase for warranty support.
Frequently Asked Questions
Which models are included on this page?
This page includes the Karcher HDS 4.0/20 Eg Premium, HDS 4.0/20-4 Ea Premium, HDS 4.0/20-4 Eh/Eb Ea Premium, and HDS 4.0/20-4 Ec Premium models.
What is the difference between these models?
All four models provide 4.0 GPM and 2000 PSI. The main difference is the voltage and phase configuration.
Is this pressure washer steam capable?
Yes. This Premium HDS Mojave group is steam capable for demanding hot water cleaning applications.
Do I need to confirm voltage before ordering?
Yes. Always confirm voltage, phase, amp draw, and facility electrical compatibility before ordering an electric hot water pressure washer.
What is this pressure washer best used for?
It is best for commercial hot water cleaning, degreasing, service bays, equipment washing, food processing areas, fleet support, and industrial maintenance.
Institutional Purchasing Support
- D-U-N-S Number: 080901706
- UEI Number: U4TYL7A5LEN9
- Purchase order support available for approved schools, government agencies, and institutions
- Tax-exempt account setup assistance
- Bid and specification support available
- Quote support available for facility managers, maintenance departments, contractors, and procurement teams
Why Choose Monster Janitorial?
- Authorized Karcher commercial pressure washer support
- Fast order processing
- Expert product support for pressure washers, hoses, nozzles, chemicals, accessories, and replacement parts
- Commercial quote support for food service, fleets, facilities, contractors, and commercial buyers
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
Tax-Exempt Purchasing
Create an account and email your tax-exempt certificate to sales@monsterjanitorial.com.