Product Description
Karcher HD 3.7/35 PB Cold Water Pressure Washer | 1.575-154.0
The Karcher HD 3.7/35 PB is a professional gasoline-powered cold water pressure washer designed for contractors, fleet operators, and facility maintenance teams. Built on the rugged HD PB cart platform, it pairs a reliable Honda GX390 engine with a belt-drive Karcher pump for consistent performance and extended service life.
Browse more cold water pressure washers, shop Karcher pressure washer accessories, or stock up on pressure washer chemicals.
Key Features
- Honda GX390 Engine: Commercial-duty gasoline engine with low-oil alert and dependable starting.
- Belt-Drive System: Notched V-belts and cast iron pulleys reduce belt slippage and extend pump life.
- Industrial Pump: Tri-plunger, oil-bath Karcher crankcase pump with forged brass head and ceramic pistons.
- Powder-Coated Steel Chassis: Epoxy finish for durability and corrosion resistance.
- Downstream Detergent Injector: Includes brass soap nozzle for chemical application.
- Operator Comfort: Insulated high-pressure trigger gun and stainless steel wand with quick-couple connectors.
- Pump Protection: Inlet strainer prevents debris from entering the pump.
- Easy Mobility: 10 in pneumatic tires and vibration-absorbing rubber feet for stable operation.
Best For
- Fleet washing and vehicle cleaning
- Contractor and jobsite cleanup
- Concrete and exterior surface cleaning
- Commercial maintenance applications
Not Ideal For
- Hot water degreasing applications
- Indoor operation without ventilation
- Ultra-high PSI industrial blasting work
Technical Specifications
- Manufacturer Part Number: 1.575-154.0
- Model: Karcher HD 3.7/35 PB
- Engine: Honda GX390 (gas)
- Drive Type: Belt drive
- Operating Pressure: 3500 PSI
- Flow Rate: 3.7 GPM
- Ship Weight (with accessories): 250 lb
- Dimensions (L x W x H): 45 x 26 x 24 in
Included Accessories (Standard Equipment)
- 50 ft durable wire-braid high pressure hose (rated for 3000 or 4000 PSI depending on configuration)
- Insulated high pressure trigger gun
- Stainless steel wand with quick-couple connectors
- Quick-couple spray nozzles
- Downstream detergent injector with brass soap nozzle
- Inlet strainer
Shop all Karcher pressure washer accessories.
Recommended Pressure Washer Chemicals
- 8.698-225.0 - Vehicle Tire and Rim Cleaner
- 9.803-744.0 - Concrete Cleaner (5 Gallon)
- 8.698-221.0 - Vehicle Pre-Soak
- 8.698-147.0 - Vehicle Wax
- 9.803-726.0 - Vehicle Wash and Wax
- 9.803-742.0 - Coil Descaler
- 9.556-010.0 - Pump and Coil Protectant Concentrate
- 9.556-011.0 - Pump and Coil Protectant
Browse the full selection of pressure washer chemicals.
Manuals and Documentation
For grease-heavy cleaning and faster soil breakdown, consider a hot water pressure washer.
Why Choose Monster Janitorial?
- OEM-quality equipment, parts, and accessories
- Fast order processing - most in-stock items ship within 24 hours
- Need equipment or parts help? Email tech@monsterjanitorial.com
- 30-Day Returns
Tax-Exempt Purchasing
Tax-exempt? Create an account and email your tax exemption certificate to sales@monsterjanitorial.com.
Questions before you buy? Email sales@monsterjanitorial.com or call 956-772-4842.