GP TSS1511 4GPM Pump
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- Free Shipping on Orders $149+
- Ships same day from Oregon City, OR. Flat-rate shipping: $8.95 under $50 $12.95 under $149
- FREE local pickup at Oregon City shop
47 SERIES – 24 MM SOLID SHAFT – BRASS MANIFOLD
TSS Series General Pump : This top selling General Pump TSS Series 47 triplex plunger pump offers long-lasting use and dependability. This triplex plunger pump is the preferred pump frame in the pressure cleaning industry. It features a forged brass manifold with fine thread valve caps. It has a large capacity, die-cast, anodized aluminum, oil-bath crankcase. With its oversized connecting rods, you can be sure you'll get the maximum life out of the pressure washer pump.
The General Pump TSS1511 features a heavy-duty tapered roller bearing and solid ceramic plungers. The plungers have continuously lubricated packings. This pressure washer pump also has unitized stainless steel inlet and discharge valves. The shaft is located on the right hand side.
The TSS1511 pump is manufactured by General Pump, a leading designer and supplier of pressure washing pumps and accessories for the car wash industry. General Pump products have been industry-tested worldwide. They offer many cost effective products built to order and made in the USA. Plus, maintenance is simple and inexpensive. General Pump pressure washer pumps have a great value life-cycle cost.
- 4.0 GPM, 3500 PSI
- Stainless steel valves
- Maximum inlet pressure: 125
- Maximum inlet vacuum: 9 ft. water
- Maximum fluid temperature: 165 degrees Fahrenheit
- 20 mm bore, 12 mm stroke
- Belt drive
- 24 mm solid shaft
- Dimensions: 12.6 x 9.2 x 6.9
About Expert Power Wash
Expert Power Wash is built and operated by Tim and Kristina — a team passionate about giving
pressure washing professionals the best equipment available. Every skid is hand-built in Oregon City, OR, with a focus on quality, reliability, and ease of use in the field.
Our goal is to source 95% of the parts we use from the USA. We distribute across 24 states, Canada, and overseas — backing every unit with a lifetime warranty and personal customer support. We don't just sell equipment; we help you build a successful business with hands-on training and ongoing guidance
Shipping & Pickup
We recommend in-person pickup in Oregon City, OR — this includes a free 2-hour
hands-on training session so you leave confident operating your skid. Transport
shipping is also available and coordinated directly with you.

