Product Information
A highly popular replacement pump for medium duty Industrial Pressure Washers, this 3/4″ Hollow Shaft Pump with Unloader boasts 3.5 GPM and 2200 PSI performance @ 3400 RPM.
Product Details
A highly popular replacement pump for medium duty Industrial Pressure Washers, this Gas Engine Flange Pump with Unloader and a 3/4″ Hollow Shaft boasts 3.5 GPM and 2200 PSI performance @ 3400 RPM. The LWD Series of Pumps feature High-Quality Buna-Textile Double Sealing V-Packings, A Die-Cast Anodized Aluminum Crankshaft Fin, Chemical Injector, High Efficiency Stainless Steel Check Valves, and more.
All Comet LWD Series pumps include:
- Reversible Crankshaft for Easy Right- or Left-Hand Mounting
- Forged Bronze Connecting Rods with a Lifetime Warranty
- Hardened Stainless Steel Piston Guides
- High Efficiency Stainless Steel Check Valves
- Abrasion Proof, Heat Resistant, Industrial Ceramic Plungers
- High Quality Buna-Textile Double-Sealing V-Packings
- Die-Cast Anodized Aluminum Crankshaft-Fin Design for Optimal Operating Temperature
- NEMA 56C Electric Motor Flange
- High Quality Oversized Ball Bearings
- Optimal Oil Bath for High Speed Operation
- 5-Year Pump Warranty
Specifications:
- 3400 RPM
- 3.5 GPM
- 2200 PSI
- 15mm Piston
- Approximate Weight: 13.4 lbs.
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
