General Pump TSS1511 Triplex Pump – 4.0 GPM @ 3500 PSI – 1450 RPM – 24mm Shaft

Part Number: TSS1511 (TS4040)
Category: Pressure Washer Pumps → Triplex Pumps → Belt Drive Pressure Washer Pumps
Type: General Pump TSS1511 Triplex Plunger Pump

The General Pump TSS1511, also commonly referenced as the TS4040, is a professional-grade belt-driven triplex plunger pump engineered for commercial and industrial pressure washing applications. Designed for contractors, fleet washing operations, industrial maintenance teams, municipalities, and pressure washing professionals, the TSS1511 delivers dependable performance, smooth operation, and long service life in demanding cleaning environments.

Key Features & Benefits

• Genuine General Pump TSS1511 Triplex Pressure Washer Pump
• Also known as TS4040
• Produces up to 4.0 GPM
• Rated for 3500 PSI
• Heavy-duty belt-drive design
• Slow-speed 1450 RPM operation
• Durable triplex plunger pump construction
• 24mm solid shaft
• Smooth pressure delivery with reduced pulsation
• Designed for continuous-duty commercial applications
• Ideal for hot water and cold water pressure washer systems
• Built for long service life and dependable performance

Technical Specifications

Manufacturer: General Pump

Model: TSS1511

Alternate Model: TS4040

Pump Type: Triplex Plunger Pump

Pump Style: Belt Drive

Maximum Pressure: 3500 PSI

Maximum Flow Rate: 4.0 GPM

Operating Speed: 1450 RPM

Shaft Size: 24mm Solid Shaft

Drive Type: Belt Drive

Application: Commercial and Industrial Pressure Washer Systems

Typical Applications

• Commercial pressure washer systems
• Industrial cleaning equipment
• Fleet washing operations
• Equipment and machinery cleaning
• Property maintenance services
• Agricultural cleaning systems
• Hot water pressure washers
• Cold water pressure washers
• Pressure washing trailers
• Custom pressure washer skids
• Wash bay systems
• Municipal maintenance operations

Performance Advantages

• Delivers 4.0 GPM at 3500 PSI for powerful professional cleaning performance
• Triplex plunger design provides smooth operation and reduced pulsation
• Slow-speed 1450 RPM operation minimizes wear and extends pump life
• Belt-drive configuration reduces vibration and operating temperatures
• 24mm solid shaft supports demanding commercial and industrial applications
• Suitable for continuous-duty operation in professional cleaning environments
• Excellent balance of cleaning pressure and water flow
• Widely recognized as a proven commercial-duty pump platform
• Compatible with a variety of pressure washer skid and trailer configurations
• Built with General Pump's trusted engineering and professional-grade reliability