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Caterpillar 950 Wheel Loader

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Caterpillar Wheel Loaders
Equipment Specifications - RitchieSpecs
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Caterpillar 950
Caterpillar 950
Caterpillar 950
Caterpillar 950 interior
The Caterpillar 950 wheel loader was introduced in 1964 in the USA. Production began in Canada in 1965, Japan in 1966, and Belgium in 1967.

[edit] Features

The 950 has a D330 four-cylinder engine producing 125 flywheel horsepower (FWHP). It has a powershift transmission with four-wheel drive. It comes standard with articulated steering.

The 950 was manufactured in the USA, with a 90A serial number prefix; in Canada, with a 58H prefix; in Japan, with a 99A prefix; and in Belgium, with a 15J prefix.

[edit] Modifications

Production of 58H ended in 1967.

Production of 90A, 99A, and 15J ended in 1968. That same year Caterpillar introduced four new 950 units. They have D330 turbo, four-cylinder engines producing 130 FWHP. They have a 115-inch (292-cm) wheelbase.

The new 950 units were manufactured in the USA, with an 81J prefix; in Canada, with a 31K prefix; in Japan, with a 73J prefix; and in Belgium, with a 43J prefix. The 81J unit has air/hydraulic brakes.

In 1970 and 1971, Caterpillar added a sealed loader linkage, beginning with 81J03502, 73J02081, and 43J02724.

In 1972, caliper disc brakes were added, beginning with 81J04510.

Between 1972 and 1976, a rollover protection system was installed, beginning with 81J04878, 73J06550, and 31K01650.

In 1972, Caterpillar introduced a 950 designed for tree harvester applications. It comes standard with a 3304 turbo engine, powershift transmission, four-wheel drive, caliper disc brakes, and an enclosed rollover protection system. It was given a 49U prefix.

Production of 49U ended in 1973.

In 1973 and 1974, Cat installed a 3304 engine into some units, beginning with 81J05411, 31K01201, and 73J03957.

Between 1973 and 1976, a sleeve metering fuel system was added, beginning with 81J06605, 49U00357, and 73J04828.

In 1976 and 1977, a flow amplified steering system was added, beginning with 81J08971, 73J06878, 31K01650, and 43J08048.

In 1977, an interim scroll fuel system was added to the 73J unit, beginning with 73J07258.

In 1978, Caterpillar modified the caliper disc brakes on a couple of units, beginning with 81J11602 and 43J10909.

Also in 1978, a water separator was added to 31K, beginning with 31K01895.

In 1980, Cat redesigned the bumper and added rear-mounted batteries on the 43J unit, beginning with 43J12169.

Production of 81J, 73J, and 31K ended in 1981.

In 1981, Caterpillar introduced a new 950 wheel loader in Canada, with a 31R prefix. It has a 3304 engine producing 155 FWHP. It comes standard with a scroll fuel system, sealed Z-Bar linkage, and an electronic monitoring system. It has a four speeds forward, four reverse powershift transmission.

Production of 43J ended in 1982; 31R ended in 1984.

The Caterpillar 950 was replaced by the Caterpillar 950B.

Based on data from the sales database of Ritchie Bros. Auctioneers, it is estimated that more than 56,200 Caterpillar 950 wheel loaders have been produced.

Highest Serial #
Belgium
15J 00368
43J 15789
Canada
31K 03111
31R 01240
58H 00519
Japan
73J 12334
99A 00466
USA
49U 00356
81J 18974
90A 03140
Total = 56,297