Volvo BM 4600 Underground
The Volvo BM 4600 U offered the perfect match of engine power, transmission and loader unit for optimum performance at every stage of the work cycle. With charge air-cooling, the 6-cylinder Volvo turbo diesel had a highly efficient-combustion resulting in low exhaust emission levels.
Production year 1980-1983
| 4600 Underground | 1981 specifications |
| Engine | Volvo TD 100 A |
| Engine output (SAE), kW (hp) | 194 (264) |
| Tip. load (straight/full turn), kg | 15 300 / 13 800 |
| Bucket volume, m3 | 3,8 |
| Tires | 26,5-25/20 |
| Operating weight, kg | 21 100 |
| Production year | 1980–1983 |