PA B18 Reduction Gearbox for 1" Shaft Engines
SKU: 19289921501

PA B18 Reduction Gearbox for 1" Shaft Engines

Sale price$153.00 Regular price$170.00
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

PA B18 Reduction Gearbox for 1" Shaft EnginesThe PA B18 Reduction Gearbox is a professional grade, Italian made component that provides an economical yet high quality solution for building or upgrading your pressure washer. This gearbox is designed to be a direct fit for powerful 1" shaft engines, such as the renowned Honda GX series, and is compatible with a wide range of pressure washer pumps. It offers an impressive 18HP maximum engine power rating, making it suitable for demanding commercial

The PA B18 Reduction Gearbox is a professional-grade, Italian-made component that provides an economical yet high-quality solution for building or upgrading your pressure washer. This gearbox is designed to be a direct fit for powerful 1" shaft engines, such as the renowned Honda GX series, and is compatible with a wide range of pressure washer pumps. It offers an impressive 18HP maximum engine power rating, making it suitable for demanding commercial and agricultural applications.

With a 2.2:1 reduction ratio, the gearbox efficiently transforms a high-speed engine input of 3100 RPM to a much safer and more durable output of 1425 RPM. This lower pump speed dramatically reduces wear and tear on the pump's internal components, extending its service life and protecting your investment. By choosing this gearbox, you get the benefit of a premium, Italian-made product that delivers reliable, long-term performance.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 19289921501

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Verified Purchase
Christmas Gift
Birmingham, US
★★★★★ 3
Wobbly
Color: Grey
Wobbly and the metal bars keep coming off. Be aware. I’ve tripped over them. Be careful.
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Reviewed in the United States on April 21, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Very practical for the price.
Color: Black
Very practical for the price.
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Reviewed in the United States on May 25, 2026
J
Jeni & Mark
Cuba, US
★★★★★ 4
Good for a quick backdrop
This works well for what I needed – a simple background for my kids’ online school. It’s lightweight and very easy to put together, and it stands up fine without needing to mount anything. The color is listed as black, but it’s more of a dark gray in person. Not a huge deal, just something to be aware of. It’s not super heavy duty, but it does the job for privacy and as a video backdrop. Overall, a good, portable divider that’s quick to set up and works well for light use.
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Reviewed in the United States on February 21, 2026
R
Verified Purchase
Robert A. Bertsche
Chelsea, US
★★★★★ 5
Essay to assemble
Color: Grey
Very nice. Did the job the way I wanted.
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Reviewed in the United States on April 28, 2026
K
Verified Purchase
Kevin
Fort Morgan, US
★★★★★ 2
Low budget option
Color: Grey
Budget low quality if thats what youre looking for
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Reviewed in the United States on April 27, 2026

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