SRND was founded in 1985 by Marc Stapleton and is based in Woodland, Washington. We provide reliable heavy equipment repair services in Oregon and Washington. SRND specializes in heavy equipment, hydraulic cylinder repair, and portable line boring. Additionally, we also provide welding, repair, and fabrication services for any mobile equipment.

Stapleton Research and Development

We work out of our shop or we can come to your location and perform any repairs on site. Have you experienced poor service or repair in the past? Give us a call and join our growing list of satisfied customers… We welcome your heavy equipment challenges.

Line boring in Washington and Oregon


Below are some of the major heavy equipment brands we service, if you don't see your model contact us as we will work on any brand.

Bobcat
Case
Caterpillar
Daewoo
Doosan
Dresser
Grove
Hitachi
Hyster
Hyundai
John Deere
Kobelco
Komatsu
Kubota
Link-Belt
New Holland
Takeuchi
Terex
Terex
Timberjack
Vermeer
Volvo