Built for demanding industrial and mobile cleaning applications, this hot water pressure washer skid delivers 3,500 PSI at 5.2 GPM, providing a strong balance of pressure, flow, and heat for efficient performance. Powered by a diesel Kohler KDW702 electric start engine, it offers reliable operation, fuel efficiency, and consistent output for continuous-duty use.
A belt-driven, industrial-grade General TS2021 triplex pump is designed for durability and smooth pressure delivery under heavy workloads. Built with a reinforced body, forged brass manifold, ceramic plungers, and stainless steel check valves, and paired with an external high-flow unloader, the system maintains stable pressure while helping extend pump life during long operating cycles.
The integrated hot water system features an SDC 12VDC Beckett burner with up to 350,000 BTU output, heating water up to 200°F (93°C) for improved cleaning performance. An adjustable thermostat allows precise temperature control, making it easier to break down grease, oil, and heavy buildup while reducing reliance on chemicals. The burner requires a Group 24, 1000 MCA deep cycle battery (not included).
Mounted on a heavy-duty powder-coated steel skid, this unit is designed for truck or trailer installation and mobile wash setups. Its unloader can be plumbed to bypass back into a water tank, making it ideal for field operations and fleet service applications.
Additional safety and performance features include a pressure relief valve, flow and pressure switch, inline fuel filter, and diagnostic indicator lights to help monitor system operation and protect key components.
Key Features
- 3,500 PSI at 5.2 GPM for industrial cleaning performance
- Diesel Kohler KDW702 686cc air-cooled 4-stroke OHV engine with electric start
- Belt-driven General TS2021 triplex pump for durability and consistent pressure output
- Reinforced pump body, forged brass manifold, ceramic plungers, stainless steel check valves
- External high-flow unloader, plumbable to bypass back into a water tank
- SDC 12VDC Beckett burner with up to 350,000 BTU output
- Requires Group 24, 1000 MCA deep cycle battery (not included)
- Heats water up to 200°F (93°C) for effective degreasing and sanitation
- Adjustable thermostat for precise temperature control
- Heavy-duty powder-coated steel skid frame for truck or trailer mounting
- Integrated safety features including pressure relief and flow switch
- Diagnostic indicator lights for system monitoring
- Includes 50 ft. x 3/8" steel braided hose, spray gun, 48" wand, and quick-connect nozzles
| Specifications |
Details |
| Model |
5640DG |
| Pressure |
3,500 PSI |
| Flow Rate |
5.2 GPM |
| Engine |
Kohler KDW702 Diesel (686cc) |
| Engine Type |
Air Cooled, 4-Stroke OHV |
| Engine Oil |
SAE 10W30 |
| Start Type |
Electric |
| Drive System |
Belt Drive |
| Pump |
General TS2021 Triplex |
| Pump Class |
P8 |
| Pump Oil |
30W Non-Detergent |
| Unloader |
External High Flow |
| Burner |
SDC 12VDC Beckett, Diesel |
| Battery Required |
Group 24, 1000 MCA Deep Cycle (Not Included) |
| BTU Output |
350,000 |
| Maximum Temperature |
200°F (93°C) |
| Heating Coil |
238 ft. x 1/2" Cold Rolled Steel |
| Burner Fuel Tank |
12 gal (45.42 L) |
| Engine Fuel Tank |
12 gal (45.42 L) |
| Thermostat |
Adjustable |
| Hour Meter |
Yes |
| Flow / Pressure Switch |
Yes |
| Pressure Relief Valve |
Yes |
| Diagnostic Lights |
Yes |
| Burner Switch |
Toggle |
| Inline Fuel Filter |
Yes |
| Oil Drain Hoses |
Engine: No / Pump: No |
| Adjustable Injector |
Optional |
| Hose |
50 ft. x 3/8" Steel Braided |
| Nozzles |
15°, 25° |
| Gun Wand |
48" Insulated |
| Unit Dimensions (L × W × H) |
46" × 36" × 48" |
| Weight |
925 lbs |
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