5308
5308 — All Electric Zero-Emission High-Volume Hot Water Pressure Washer
BUILT FOR SERIOUS OPERATORS.
Alkota 5308 is a premier high-volume 18.2 L/min (4.8 GPM) all-electric hot water pressure washer engineered for heavy UK food manufacturing operations, pharmaceutical facilities, and indoor sanitisation suites. Delivering 207 bar (3,000 PSI) with a massive 90 kW electric immersion heating array, it handles severe grease and protein soils at high throughput with zero emissions.
The most powerful emission-free hot water pressure washer in the Alkota lineup. The 5308 incorporates 9 replaceable 10 kW immersion elements (90 kW total), a 10 hp heavy-duty industrial electric motor, and a high-flow ceramic triplex pump built for 24/7 industrial manufacturing shifts.
Oil Bath Crankcase
Oil-bath crankcase and ceramic plungers running at lower RPM for cooler, vibration-damped longevity.
Stainless Steel Immersion Pressure Vessel Coil
Hydro-insulated cold water wrap pre-heats water, protects operators, and eliminates thermal coil stress.
5-Year Coil Warranty
The benchmark in industrial heating reliability. Alkota Schedule 80 coils are guaranteed for 5 years.
Welded Steel Chassis
Heavy-gauge welded structural steel frame with powder coat finish built to survive demanding site environments.
Full Technical Specifications
| Operating Pressure | 207 BAR(3000 PSI) |
| Water Flow Rate | 18.2 L/min(4.8 GPM) |
| Max Temperature | 93°C(199°F) |
| Thermal Output | 307,000 BTU/hr(90 kW thermal) |
| Electrical Supply | 460 v / 3-Phase / 105A |
| Drive Unit | Electric Motor · 7.46 kW · (10 HP) |
| Heating Fuel | All-Electric / Immersion |
| Operating Weight | 240 kg(530 lbs) |
| Dimensions (L×W×H) | 864 × 610 × 940 mm |
| Chassis / Mobility | Stationary Heavy-Duty Frame |
| Pump Architecture | Oil Bath Crankcase · Triplex Ceramic Plunger |
| Heating Coil System | Stainless Steel Immersion Pressure Vessel |
| Duty Rating | Continuous Industrial Indoor Duty (6–10 hrs/day) |
| Certifications | ETL certified to UL-1776 · CSA Certified |
| Coil Warranty | 5 Years (Hydro-Insulated) |
Primary Industrial Use Cases
Standard Engineering Features
Factory-Available Options
Engineering Documentation
Official Alkota Factory Publications
Hog Heaven — 2,400-Head Swine Facility Deep Clean
See how extreme industrial cleaning challenges push professional Alkota equipment beyond ordinary pressure washing. The inaugural Mess Quest episode: tackling massive biological muck, encrusted manure, and biosecurity sanitisation across a 2,400-head swine finishing barn.
SPECIFY THE 5308.
Connect directly with Alkota UK application engineers to verify flow rates, power supplies, wash bay layouts, or trailer integration. We provide direct factory quotations and technical advice.