In 1973 the company changed its name to Volvo BM AB and the products were marketed under the Volvo BM brand. In 1977 the company launched a new generation of wheel loaders, the 4000-series. The major change was that the machine now contained significantly more Volvo original parts which resulted in even more efficient machines where the different components interacted perfectly with the conditions of the time. The biggest winner of the 4000-series was the operator. The operator comfort was improved significantly and Volvo started to take its unmistakable place as leader in the operator environment.
In the beginning of the 80's Volvo BM was first in the world with Automatic Power Shift (APS) which was offered in the new 4000-series. APS enures that the loader always works in the correct gear for optimum productivity in all conditions.
New features offered in:
1973 – First loader (1641) with direct injected turbo engine
1974 – Low emmission engine
1977 – Pressurized cab, integrated air condition, parallel arm
1978 – Load sensing steering
1981 – APS, Automatic Power Shift
1982 – Hydraulic power take off
1984 – Fully hydraulic brakes, new cab with front hinged door,
swing out radiator
1988 – Comfort Drive Control
1989 – Plastic parts coded for recirclation
1990 – Boom Suspension System
1991 – Wet disc brakes, TP-linkage, Care Cab
1993 – Loadsensing hydraulic system, hydrostatic transmission,
low emission high preformance engine, contronic,
contronic with service display
1995 – APS II
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