Terex Cranes Legacy Brands

P&H:

Stands for: names of the company founders Pawling & Harnischfeger.

• Formerly, a brand of rough terrain cranes.
• Based in Waverly, Iowa.
• P&H brand cranes were sold worldwide.

Historical Overview:

• 1884

  P&H is founded by Alonzo Pawling & Henry Harnischfeger as a small machine and pattern shop in the American Midwest.

• 1911

  P& H changed its name to Harnischfeger Corporation

• 1959

  Harnischfeger Corporation enters in JV with an Australian company called Power Cranes and Shovels, Pty., Ltd.

• 1988

  P&H mobile cranes brand integrated into PPM / North America by way of license from Harnischfeger Corporation

• 1995

  Terex acquires PPM as an affiliate operating as Terex PPM.

Distinguished Historical Accomplishments

• 1887

  Pawling & Harnischfeger enter into an overhead industrial crane market.

• 1920

  P&H designed the first machines with fully welded car body.

• 1942

  Harnischfeger Corporation produces its “P&H” cranes and excavators for the war effort

 Products Evolve

Over the ensuing decades, P&H earth moving machines evolved into larger, more powerful and more productive prime movers of material. By 1930, welding technology made possible the fabrication of lighter, stronger machinery versus traditional riveted-design machinery. P&H not only was an early adapter to welded design, but the firm also designed and manufactured its own line of electric arc welding machinery and welding rod products. Another technology advance applied to P&H digging machines during the 1930s was the Ward-Leonard DC electric motor drive system. Pawling & Harnischfeger began designing and making their own electric motors and controls starting in 1893 when they acquired assets of the Gibb Electric Company that were not needed when Gibb was purchased by Westinghouse Electric Manufacturing Company.

P&H shovels and draglines were originally available with prime-mover options including a Waukesha gasoline engine, a Buda diesel engine, or a P&H electric motor. By the 1930s, diesel engines and P&H electric motors became the dominant prime mover options on P&H digging machines. By the end of the 1960s, virtually all P&H excavating machines would be equipped with P&H electric motors.

P&H excavators that started out in the 1920s with dipper and bucket payloads of about 500 pounds / 226 kilograms and dipper and bucket capacities of 0.5 cubic yard / 0.382 cubic meter would evolve into massive and powerful electric mining shovels with maximum dipper payloads of 120 tons / 109 tonnes and maximum capacities of 82 cubic yards / 62.7 cubic meters. Machine working weights would see similar dramatic changes. P&H Model 206 excavators originally had working weights of about 25 tons / 22.7 tonnes. P&H 4100XPC electric shovels today have working weights of about 1,645 tons / 1492 tonnes.

Credits : http://www.terex.com