The Original ENGINE ROOM

Husqvarna Riding Mowers  Huskvarna riding mowers
Sales & Service and we offer pick up and delivery on Cape Cod!

Bring your mowers & blowers & chainsaws to the shop

Lawn Mower Engine repair while you wait at Diesel Dave's Onsett, MA
While You Wait!

Free WiFi and clean restroom for your convenience!

Gasoline & Diesel Engine Service and Repair

  • Gasoline Engine Service and Repair

  • All brands of lawn mowers repaired

  • Rebuild your lawn mower

  • Locate parts and install

  • Fast Turn Around Time

  • Reasonable Rates

Generators & Emergency Electric Power Systems

Engines from 5-95,000hp ~ Power Units

Sales and Service of these fine Generators, Chainsaws, and Lifts!
Champion Generator Sales and Service
Champion Generators & Authorized service

Jonesered Chainsaws Sales and Service
Echo Chainsaws

Tracked Lift Machines
Service and Repairs!

Diesel Dave's word to live by

Welcome to our web site!

Our service is available with just a phone call, or stop by the Engine Room!

If you need repairs to an engine or motor, large or small, gas or diesel, you have come to the right place

Lawn & Rider Mower, Chainsaw  & Snow Blower Repair is a specialty!

We excel at finding and correcting
unexplainable engine behavior!

Dave has been in the engine / generator business for over 60 yrs and:

  • Taught at Mass. Maritime Academy
  • Chief Fleet Engineer for tug boats
  • R&D for industrial sparkplugs & Industrial engine Ignition systems
  • Cogeneration systems
  • Manufacture, design , sales , service, rebuilding of industrial  electric engine driven generator systems
  • Has traveled a fair piece of the planet
  • Has been doing lawn mowers , tractors, and construction equipment for about the same length of time
  • Successful graduate of the Academy of Life

Dave can fix your engine problems, help you find the right size generator for your home or business
and locate hard to find engine parts and construction equipment for sale.

If Dave can't make it run, it's all done!