Table 7: Combined failure rates for final design alternatives.

ComponentFailure rate (*10−6)ComponentFailure rate (*10−6)Combined failure rates for final design (*10−6)

Inductive drive motor6.6Hydraulic pump34.1226
Electrical pump34.0226
Pneumatic pump25.8171
Vacuum pump45.4301

Diesel drive motor128.7 Hydraulic pump34.14386
Electrical pump34.04400
Pneumatic pump25.83319
Vacuum pump45.45848