Product Information
Using the preferred pump frame in the Pressure Washing industry, the General Pump T9281 Pressure Washer Pump boasts 4.0 GPM & 4000 PSI performance at 1750 RPM.
Product Details
Using the preferred pump frame in the Pressure Washing industry, the General Pump T9281 Pressure Washer Pump boasts 4.0 GPM & 4000 PSI performance at 1750 RPM. Its brass manifold with an exclusive lifetime warranty and a large-capacity, die-cast, anodized aluminum oil-bath crankcase.
Need a “Ready to Go” Pump Solution without the hassle of building it yourself? Call us at 1-800-433-2113 to ask about our Our PowerWash Exclusive “Ready to Go” Edition which provides you with the complete and installed package needed to begin cold-water Pressure Washing Applications right away!
Features include:
- Forged brass manifold with an exclusive lifetime warranty
- Large-capacity, die-cast, anodized aluminum oil-bath crankcase
- Over-sized connecting rods for maximum life
- Heavy-duty tapered roller bearing
- Solid ceramic plungers with continuously lubricated packings
- Unitized stainless steel inlet and discharge valves
- Available in “L” left-handed versions
Specifications:
- Maximum Volume: 4.0 GPM @ 1750 RPM
- Maximum Discharge Pressure: 4000 PSI @ 1750 RPM
- Maximum Pump Speed: 1750 RPM
- Maximum Inlet Pressure: 125 PSI
- Maximum Inlet Vacuum: 9 ft. water (7.9 in. Hg)
- Plunger Bore: .787 in. / 20 mm
- Plunger Stroke: .512 in. / 13 mm
- Crankcase Oil Capacity: 40.6 oz.
- Maximum Fluid Temperature: 165 F
- Inlet Port Thread: 1/2-14 BSPP-F
- Discharge Port Thread: 3/8-19 BSPP-F
- Shaft Diameter: .945 in. / 24 mm
- Weight: 32 lbs.
- Dimensions: 12.2″ x 9.2″ x 6.9″
Shipping & Delivery
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Fast nationwide shipping via UPS
Most orders arrive within 5–10 business days. -
Direct-from-manufacturer items may take up to 14 business days
If a product will take longer than expected, a PowerWash.com account executive will contact you. -
Backorder notifications
If an item becomes unavailable or delayed, our team will notify you immediately with options. -
Freight delivery for large equipment
Oversized items ship by truck freight. Lift-gate service is available if needed. -
Alaska & Hawaii shipping
Delivery to AK/HI may take up to 30 business days. (Some chemical products cannot ship to AK/HI.) -
International shipping available
We ship to most countries worldwide. Call 1-800-433-2113 for rates. -
Order minimum
Orders under $15 may incur a minimum order fee. -
Track your order anytime
You can check your order status using the Orders & Returns page.
Returns & Warranty
30-Day Return Window (Unused Items)
Unused products in original packaging can be returned within 30 days of delivery.
Simple Return Process
Just contact our team to receive an RMA (Return Authorization) before sending anything back.
Restocking Fee
Returns may be subject to a 20% restocking fee.
Non-Returnable Items
Due to safety and usage factors, the following items cannot be returned:
– Pressure washers (covered under warranty only)
– Chemicals / hazmat products
– Custom or special-order equipment
Manufacturer Warranties Apply
Many products are backed by manufacturer warranties (pumps, engines, accessories, etc.).
Coverage varies by brand and product type.
Defective or Damaged Items
If something arrives damaged or defective, contact us immediately so we can make it right.
Support
Support & Questions
Talk to a real pressure washing expert
Our team helps contractors choose the right equipment, chemicals, and setup.
Need help before ordering?
We can help you confirm:
– Proper sizing (GPM, PSI, fittings)
– Product compatibility
– Best setup for your job
Support after purchase
We’re here to help with setup, usage, and troubleshooting.
Call or speak with our team
1-800-433-2113
Fast response from experienced staff
No call centers — you’ll speak with someone who understands the equipment.
Get It Right The First Time
No guesswork. No wrong orders.
- Fast Shipping
- Contractor Support
- Financing Available
