Mechanized Units Model 4,000
Gear-Drive
| Mobil Delvac 1640 | Equipment Operation : Standard Builder Operating Conditions |
Lube System-Centralized Oil System
| Mobilgear 600 XP 220 | Equipment Operation : Standard Builder Operating Conditions |
Lube System-Pneumatic System
| Mobil Velocite Oil No 10 | Equipment Operation : Standard Builder Operating Conditions |