Loaders Archives - Contractor Magazine

Loaders

Classic Machines: The Terex 72-51 loader

Developed from the successful Euclid L-30 and 72-40, the Terex 72-51 was introduced in 1966 (originally as the Euclid 72-51). By Richard Campbell Euclid had been one of the earliest exponents of articulated steering, or pivot-steer loaders as they were more commonly known in the USA, marketing their first production pivot-steer machine,...

Loaders

Classic Machines: The Caterpillar 922 wheel loader

Introduced in 1960, the No.922 Traxcavator was the second Caterpillar wheel loader to be released for sale (the first was the No. 944) and proved to be a huge success. By Richard Campbell Until 1959 Caterpillar had not offered a wheel loader of any sort and companies such as Hough, Allis-Chalmers, Scoopmobile and Michigan had...

Loaders

Classic Machines: The small Payhaulers 65, 95 & 100

The Small PayHaulers – International’s 65, 95 & 100 Determined to break into the off highway truck market, International Harvester introduced the model PayHauler 65 (18 ton capacity) and Payhauler 95 (24 ton capacity) in 1957. I.H. engineers had made a close study of comparable Mack and Euclid off highway rear dumps and come up...

Loaders

Classic Machines: The Hewco LD3 Scoopmobile

This rather interesting piece of machinery can trace it’s origins through three decades and three countries: the USA, Australia and New Zealand. By Richard Campbell Originally designed by Mixermobile Inc in the USA, the original machine was marketed as the Scoopmobile model LD3 and was powered by a General Motors 3-71, 3-cylinder...

Loaders

Classic Machines: Euclid's R-15 dump truck

The backbone of the New Zealand Ministry of Works haul truck fleet on hydroelectric power projects from the 1940s into the mid 1970s, the ubiquitous Euclid R-15 can still occasionally be found earning it’s keep. In 1934 Euclid became the first manufacturer in the world to successfully produce a dedicated off highway truck. Prior to...

Loaders

Classic Machines: The International 560 payloader

The International model 560 Payloader represented one of the first of the new breed of wheel loaders in International Harvester’s product range and was introduced in 1971. By Richard Campbell. Wielding a 6.5 to 12 cubic yard bucket, the 560 Payloader was a big wheel loader for its day and was a contemporary of the Caterpillar 988B,...

Loaders

Classic Machines: International Harvester's PayHauler 350 dumptruck

Following on from my article in the May 2009 Contractor “PH65 & 95, the Small Payhaulers”, this month we examine the largest offering from International Harvester, the Payhauler 350. By Richard Campbell. Developed from the ground-breaking International PH180, the first successful four wheel drive off-highway dumptruck offered by...

Loaders

Classic Machines: The Caterpillar 933 Traxcavator

Following the acquisition of the Trackson Corporation by Caterpillar in 1951, Caterpillar continued to use Trackson’s loader attachments fitted to D2, D4, D6 and D7 tractors. Trackson had been founded in 1922 in Milwaukee, Wisconsin, and built a plethora of attachments for not only Caterpillar but other manufacturers as...

Loaders

Classic Machines: The Allis-Chalmers 645 wheel loader

Notable as Allis-Chambers’ most successful wheel loader, 1000 645s were purchased by the US Military in the mid-1960s and were their standard medium wheel loader for some considerable time. BY RICHARD CAMPBELL WHILE ALLIS-CHALMERS was responsible for a lot of ‘firsts’ in the track type tractor industry, it tended to be somewhat...

Classic machines: The Allis-Chalmers 645 loader slideshow with captions