Reduced Emissions
Lower Cost
Increased Power
WELCOME TO
AMERICAN
ENGINE
SYSTEMS
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What We Do

American Engine Systems (AES) was founded to design, engineer, and manufacture the very best alternative fuel-based components for Diesel Engines that reduce emissions, increase engine power and save the end user money!

Cat 3056E Water Pump

The following is a compilation of 1 month of data gathered from Cat diesel water pump equipment with the Diesel Magnum – II Propane Injection system near King City, California. The system has been installed and run on this pump for over 1 year. At 1,600+ hours, the single pump saves the farm about $12,000 each year in fuel costs.

Diesel Magnum - II Performance Analysis

Cost Analysis

With DM: $9.51 per hour

Without DM: $16.60 per hour

Savings

$7.09 per hour

42.7% Savings

Challenger MT835 Tractor

The following is a compilation of 2 weeks of data gathered from a Caterpillar tractor equipped with a Diesel Magnum Propane Injection System near King City, California. THe system has been installed and run on this tractor for a little over 1 year. At 2,000+ hours, this single tractor pays the farm considerably more than $20,000 every year in fuel cost savings using the DM Injection System.

Diesel Magnum - II Performance Analysis

Cost Analysis

With DM: $20.15 per hour

Without DM: $30.83 per hour

Savings

Savings Per Hour – $10.69

34.66% Fuel Cost Reduction

Semi Tractor Trailer

Diesel Magnum - II Performance Analysis

Cost Analysis

With DM: $.47 per mile

Without DM: $.59 per mile

Savings

20.5% Cost Savings

Coach Bus

Diesel Magnum - II Performance Analysis

Cost Analysis

With DM: 8.38 combined MPG

Without DM: 5.99 MPG

Savings

34.48% Fuel Cost Reduction

Reviews and Testimonials

Auto Learn Review of American Engine Systems Diesel Magnum Propane Injection System
“It calibrates itself. Plug and play and let it go”.

“Anybody that builds race cars will tell you horsepower cost lots of money. This is the only thing I’ve seen that you gain horsepower and it saves you money”.

Power Test Review of American Engine Systems Diesel Magnum Propane Injection System
Insstallation Review of American Engine Systems Diesel Magnum Propane Injection System

“Simple as one, two, three. Install everything, software does the rest”

“We were getting six miles to gallon, now, with propane we are getting nine miles to the gallon”.